The invention relates to a compressed air-generating device (100; 200) comprising a compressed air storage device (102; 202) and a compressor (112; 212) which is arranged in the compressed air storage device (102; 202), said compressor having: - an electric motor (114; 214), in particular a BLDC motor, and - a rotatable transmission mechanism in a crankcase (111; 211), said transmission mechanism being operatively connected to a compression element of the compressor, wherein - the electric motor (114; 214) is coupled to the transmission mechanism so as to rotate same, and the crankcase (111; 211) surrounds at least the transmission mechanism. According to the invention, - a pressure stage has a first cylinder (116; 216) and a second cylinder (120; 220), the first cylinder (116; 216) is equipped with a first compression element (118; 218; 400), and the second cylinder (120; 220; 402) is equipped with a second compression element (122; 222; 404); - the first compression element (118; 218; 400) is operatively connected to the transmission mechanism so as to be drivable, and the second compression element (122; 222) is mechanically connected to the first compression element (118; 218; 400) via a connection element (130; 230; 404) so as to transmit a force; - the first cylinder (116; 216) and the second cylinder (120; 220) are connected to a respective air supply (124, 126; 225) for suctioning air (101; 201) from outside the compressed air storage device (102; 202); and - the crankcase (111; 211) is designed so as to be pressure-equalized with the compressed air storage device (102; 202).
F04B 25/00 - Multi-stage pumps specially adapted for elastic fluids
F04B 27/00 - Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
F04B 41/02 - Pumping installations or systems specially adapted for elastic fluids having reservoirs
B60G 17/015 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
A brake modulator (1) for providing an ABS brake function to a vehicle (200) includes a main body (17), a first ABS valve unit (47) configured to provide a first brake pressure (pB1) and a second ABS valve unit (53) configured to provide a second brake pressure (pB2), and a main cover (19) for closing of an assembly side (27) of the main body (17). The cover portions (127, 131, 133, 135) for covering corresponding valve cavities (33, 35, 37, 39) are formed separately from a main cover plate (20) of the main cover (19). A relay valve cover plate (137) is formed integrally with or separately from the main cover plate (20). The present disclosure further relates to a commercial vehicle (202) and to an assembly method (300) for a brake modulator (1).
B60T 8/36 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
B60T 8/176 - Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
B60T 8/38 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including valve means of the relay or driver controlled type
3.
MULTI-CIRCUIT PROTECTION VALVE ASSEMBLY AND AIR PROCESSING UNIT
A multi-circuit protection valve assembly, comprises, is attached to or integrated into a main housing, and comprises an air inlet; main outlets; main supply lines; and main overflow valves for protecting the main outlets. The valve assembly further comprises an extension part having, attached to or integrated into an extension housing, an extension inlet; an extension outlet; an extension line; and an extension overflow valve for protecting the at least one extension outlet, wherein the extension housing is detachably fixed to the main housing such that the extension inlet is flow-connected to an auxiliary outlet in the main housing.
A multi-circuit protection valve assembly, comprises, is attached to or integrated into a main housing, and comprises an air inlet; main outlets; main supply lines; and main overflow valves for protecting the main outlets. The valve assembly further comprises an extension part having, attached to or integrated into an extension housing, an extension inlet; an extension outlet; an extension line; and an extension overflow valve for protecting the at least one extension outlet, wherein the extension housing is detachably fixed to the main housing such that the extension inlet is flow-connected to an auxiliary outlet in the main housing.
The extension housing is detachably fixed to the main housing by a hollow screw having a cavity. Compressed air discharged through the auxiliary outlet can be conducted through the cavity inside the hollow screw to the extension overflow valve and the at least one extension outlet.
F16K 11/22 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
B60R 16/08 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for fluid
4.
METHOD AND DEVICE FOR DETERMINING A MOTOR REFERENCE TORQUE OF A MOTOR VEHICLE
A method is for determining the engine reference torque, used in a controller of a motor vehicle, of the engine of the motor vehicle, wherein the engine reference torque is determined by estimation. A value for the mass of the motor vehicle and a motor vehicle velocity value determined at each of two different times during acceleration of the motor vehicle are determined. An engine power of the engine is calculated from these values, and a value for the engine reference torque is estimated via the calculated engine power on the basis of power and torque curves, which are stored as a function of the speed of the engine.
The invention relates to an air supply installation (40) for a motor vehicle (10) which has an air conditioning installation (20). The air supply installation (40) is designed to supply at least one air consumer (11) which is separate from the air conditioning installation (20). The air supply installation (40) has an intake opening (45) for suctioning in air (19), a compressor (42) for compressing the suctioned-in air (19) and a condensation cooler (41) which is fluidically connected to the compressor (42). The condensation cooler (41) is arranged in a cold-air region of the air conditioning installation (20).
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
drive systems for land vehicles, consisting of motors and gearboxes, including clutch mechanisms; torsion dampers for vehicles; torsional vibration and torsional resonance dampening devices for absorbing impulses between engines and engine-driven components.
7.
DAMPING MEMBER FOR A PNEUMATIC VALVE OF A PNEUMATIC SYSTEM OF A VEHICLE, PNEUMATIC SYSTEM, VEHICLE, AND METHOD
A damping member (100) for a pneumatic valve (205) of a pneumatic system (201) of a vehicle (200a), in particular a utility vehicle (200b), is adapted to be mounted to an air outlet section (210) of the valve (205) which is used for exhausting pressurized air (220). The damping member (100) is adapted for damping sound emission of the pressurized air (220) and includes a scaffold structure (105). The scaffold structure (105) is adapted to damp the sound emission of the pressurized air (220) by conducting the air (220) through the scaffold structure (105).
B60T 17/00 - Component parts, details, or accessories of brake systems not covered by groups , or , or presenting other characteristic features
B60G 11/27 - Resilient suspensions characterised by arrangement, location, or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
B60G 15/12 - Resilient suspensions characterised by arrangement, location, or type of combined spring and vibration- damper, e.g. telescopic type having fluid spring and fluid damper
8.
ROLLING BEARING FOR A DISC BRAKE, AND BRAKE CALIPER HAVING A ROLLING BEARING
A rolling bearing (10) for a disc brake includes a bearing shell segment (12) and a bearing cage (14) having rolling members (16) that roll on the bearing shell segment (12). The bearing cage (14) is movable in the circumferential direction of the bearing shell segment (12) and releasably fixed in an assembly position in relation to the bearing shell segment (12). The bearing cage (14) has a detent face (22) with at least one recess (24, 24′, 24″), and the bearing shell segment (12) has at least one detent part (20, 20′), the recess (24, 24″) and the detent part (20, 20′) being assigned to one another and mutually engaged in the assembly position while generating a clamping effect.
F16D 55/2255 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is pivoted
A mass-contact module for a control device includes a press-in contact extending in a longitudinal direction and having a connector portion for forming an electrically conductive press-in connection to a circuit board and an end portion which is at a distance in the longitudinal direction and is configured to make contact with a contact surface. A supporting part is connected to the press-in contact and is configured to form a force-conducting connection between the circuit board and the press-in contact by forming a form-fitting and/or integral connection to the potting compound. A control device includes such a mass-contact module. An assembly method is for assembling a corresponding control device.
A method is provided for operating a brake system of a commercial vehicle having a service brake system, an auxiliary brake system, and braking devices for vehicle wheels. At least one associated service brake actuator is actuated in the service brake system in normal operation when a brake actuating device is actuated, via which a respective associated braking device is actuated. In the auxiliary brake system, a control unit actuates at least one braking device. In the auxiliary brake system, the control unit actuates the at least one braking device by activating at least one auxiliary brake actuator, where the auxiliary brake actuator is accessed by the control unit during emergency operation when actuating the at least one brake actuating device is detected. In this case, the control unit uses the auxiliary brake actuator to set actuation of the at least one braking device to a degree of actuation.
B60T 7/12 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger
B60T 8/171 - Detecting parameters used in the regulationMeasuring values used in the regulation
B60T 8/172 - Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
B60T 13/66 - Electrical control in fluid-pressure brake systems
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
11.
SLIDING BEARING COMPONENT FOR AN APPLICATION DEVICE OF A DISC BRAKE FOR A VEHICLE
A sliding bearing component (100) for an application device (250) of a disc brake (220) for a vehicle (200a), in particular a commercial vehicle (200b), has a lateral surface (110) with a cross section (115) that is in the form of a full circle in some section or sections. The sliding bearing component (100) has a limiting element (120) arranged on the lateral surface for limiting a displaceability of the sliding bearing component (100). A brake caliper (150) includes a pedestal section (155) with a recess (160) arranged to cooperate with the sliding bearing component (100). The pedestal section has a limiting element (165) arranged to receive the limiting element (120) of the sliding bearing component (100). The recess (160) is at least partly cylindrical in a section or sections and/or is defined by two planes.
F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
F16D 55/00 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
12.
METHOD FOR OPERATING A PNEUMATIC SYSTEM OF A VEHICLE, PNEUMATIC SYSTEM, VEHICLE AND COMPRESSED AIR SUPPLY UNIT AND PNEUMATIC UNIT FOR A PNEUMATIC SYSTEM WITH A HEATING FUNCTION OF AT LEAST ONE OF THE PNEUMATIC SOLENOID VALVES
I2I1I2I2) in order to deflect said solenoid valve from a base position (G). The invention additionally relates to a corresponding pneumatic system (1200), to a compressed air supply unit (100), to a pneumatic unit (300) for a pneumatic system (1200), and to a vehicle comprising the pneumatic system (1200).
F15B 21/041 - Removal or measurement of solid or liquid contamination, e.g. filtering
F15B 21/048 - Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators
F15B 21/08 - Servomotor systems incorporating electrically- operated control means
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 49/00 - Means in or on valves for heating or cooling
F15B 13/04 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
F15B 13/044 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
F15B 21/00 - Common features of fluid actuator systemsFluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
13.
CONTROL METHOD FOR A COMPRESSED AIR SUPPLY SYSTEM, CONTROL DEVICE, AND VEHICLE
VVRVRR), - returning (2500) compressed air (141) from the branch line (14, 14.1, 14.2) counter to a filling direction (B) through a pneumatic main line (12) in order to regenerate the air dryer (5, 5.1). The invention also relates to a control device for carrying out the method and to a vehicle comprising such a control device.
VVIUBII) is below a predefined threshold value (W), - directing (2500) compressed air (141) through the branch line (14, 14.1, 14.2) to the compressed air supply connection (2) in the filling direction (B) in the first operating mode (B1) in order to supply the compressed air consumer (300). The invention also relates to a control device for carrying out the method and to a vehicle comprising such a control device.
The invention relates to a compressed air supply unit (100) for a sensor cleaning device (301), comprising a compressed air connection (1), a compressed air supply connection (2), a main pneumatic line (12) from the compressed air connection (1) to the compressed air supply connection (2), and an air dryer (5, 5.1) arranged in the main pneumatic line (12) for drying the compressed air (120). The invention proposes a water separator (6), which is arranged in the main line (12) between the compressed air connection (1) and the air dryer (5, 5.1), and a branching line (14, 14.1, 14.2), which branches off from the main pneumatic line (12) between the water separator (6) and the air dryer (5, 5.1) and which reconnects to the main pneumatic line between the air dryer (5, 5.1, 5.2) and the compressed air supply connection (2), said branching line having a pneumatic branching line switch valve (24, 24.1, 24.2) which opens the branching line (14, 14.1, 14.2) so as to allow a pneumatic flow in the direction of the compressed air supply connection (2) in a first operating mode (B1). In the first operating mode (B1), the compressed air supply unit (100) is designed to allow a recirculation of compressed air (141) out of the branching line (14, 14.1, 14.2). The invention additionally relates to a compressed air supply system (1200), to a vehicle (1000), and to a method (2000) for operating a compressed air supply system (1200).
F15B 21/00 - Common features of fluid actuator systemsFluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
The invention relates to a compressed air supply unit (100) comprising a main pneumatic line (12) from the compressed air connection (1) to the compressed air supply connection (2) and comprising an air dryer (5, 51) arranged in the main pneumatic line for drying the compressed air (120). The invention proposes a branching line (14, 14.1, 14.2), which branches off from the main pneumatic line (12) between the compressed air connection (1) and the air dryer (5, 5.1, 5.2) and which reconnects to the main pneumatic line between the air dryer (5, 5.1, 5.2) and the compressed air supply connection (2), and a main line switch valve (25), which is arranged upstream of the branching line (14, 14.1, 14.2) between the compressed air connection (1) and the air dryer (5, 5.1) and which blocks the main pneumatic line (12) in a first operating mode (B1). The invention additionally relates to an operating method (2000), to a vehicle (1000), and to a compressed air supply system (1200) comprising a compressed air supply unit (100).
The invention relates to a vehicle control system (100) for autonomously controlling a vehicle (1). The vehicle control system (100) comprises a primary movement controller (110), a primary communication connection (PAB), a secondary movement controller (120), a secondary communication connection (SAB), a private communication connection (130), and a secondary decision circuit. The invention additionally relates to a vehicle system (200) comprising a vehicle control system (100), to a vehicle (1) comprising a vehicle system (200) or a vehicle control system (100), and to a method for a vehicle control system (100).
An electropneumatic trailer control module (100) with a housing structure (100a) includes a manual brake pressure port (154) receiving a driver's brake demand pressure component, a spring-supported electropneumatic input valve (104) with at least two ports and being capable of switching between two positions (open or closed), and an electropneumatic brake pressure port (144; 146) for receiving an electropneumatic brake pressure component from at least one independent pressure source (138; 140), and a relay valve (112) having a control port (110), a supply port (114), an outlet port (116), and a relief port (118). The spring-supported electropneumatic input valve (104) is retained in an open position when there is no electronic activation of the spring-supported electropneumatic input valve (104).
An electropneumatic trailer control module (100; 300; 500) with a housing structure (100a; 300a; 500a) includes a manual brake pressure port (154) receiving a driver's brake demand pressure component, a spring-supported electropneumatic input valve (104) with at least two ports and being capable of switching between two positions (open or closed), an electropneumatic brake pressure port (144; 146) for receiving an electropneumatic brake pressure component from at least one independent pressure source (138; 140), and a relay valve (112) including a control port (110), a supply port (114), an outlet port (116), and a relief port (118). The spring-supported electropneumatic input valve (104) is retained in an open position when there is no electronic activation of the spring-supported electropneumatic input valve (104). A tractor protection module (124; 324; 524) is provided within the housing structure (100a; 300a; 500a) of the electropneumatic trailer control module (100; 300; 500).
B60T 15/22 - Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed-air or vacuum source or atmosphere controlled by two fluid pressures with one or more auxiliary valves, for braking, releasing, filling reservoirs
20.
METHOD FOR OPERATING A PNEUMATIC SYSTEM, AND PNEUMATIC SYSTEM INCLUDING COMPRESSED AIR SUPPLY INSTALLATION AND AIR SPRING INSTALLATION
A pneumatic system has a compressed air supply and an air spring arrangement which is pneumatically connected to the compressed air supply. The pneumatic system is for a vehicle and further has a controller for controlling the compressed air supply and the air spring arrangement. In the method for operating the pneumatic system, the air dryer and/or the air distributor module represents an overpressure volume. The overpressure volume initially has a pressure greater than a pressure in a remaining portion of the compressed air supply having at least one first air spring and an intermediate store. Compressed air is discharged from the overpressure volume into the compensation volume, accompanied by a reduction in pressure in the overpressure volume, namely, a reduction in the pressure in the air dryer. Compressed air is discharged into the first air spring of the air spring arrangement and into the intermediate store.
B60G 17/015 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
B60G 17/048 - Fluid-spring characteristics with the regulating means inside the fluid springs
Communication bus systems have at least one twisted wire pair cable used as a physical medium. Such communication bus systems require bus termination at least at the end point bus nodes. Often the communication bus system includes a plurality of equitable bus nodes which are connected to the communication bus. A bus node includes an interface circuit to a communication bus. The interface circuit includes a bus termination circuit arrangement which includes at least a connection arrangement to at least one configuration component. In this way, it is easy to activate/deactivate bus termination for the single bus node by placing the configuration component manually in the manufacturing process.
The invention relates to a method for producing a brake caliper of a disc brake, in particular a utility vehicle disc brake, said brake caliper being designed to be provided with a cover (7). According to the invention, the method has the steps of: providing or producing a main part (1) which has a number of blind holes (3) with a base and an unclosed opening (5) which lies opposite thereto for securing the cover (7) to the main part (1), aligning the main part (1) towards an immersion basin such that the unclosed opening (5) is arranged closer to the immersion basin than the base of the blind hole, and immersing the main part (1) aligned in this manner into the immersion basin in order to apply an immersion coating (9).
A vehicle drum brake includes a drum (3) having an inner friction surface (21) formed circumferentially, a brake carrier (5) that can move in rotation relative to the drum (3) about a drum axis (X), and a brake lining assembly (7) arranged on the brake carrier (5). The brake lining assembly (7) has a plurality of radially movable lining carriers (11), on each of which a brake lining segment (9) is provided, facing the friction surface (21). The drum brake (1) has an actuating ring (13) displaceable along the drum axis (X) and rotatable about the drum axis (X), and a displacement surface arrangement (30), which is operatively connected to the lining carriers (11). The displacement surface arrangement (30) is shaped such that both the axial displacement and the rotary movement of the actuating ring (13) bring about a respective synchronous radial movement of all the lining carriers (11).
F16D 51/10 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes
F16D 51/00 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
F16D 65/22 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart
F16D 65/50 - Slack adjusters mechanical non-automatic for angular adjustment of two concentric parts of the brake control system
A method is for operating a pneumatic system having a compressed air supply and an air spring arrangement, which is pneumatically connected to the compressed air supply, for a vehicle. Before the compressed air supply is vented, the compressed air supply is activated by the control device in such a way that compressed air is discharged from the air dryer and/or the air distributor module into a first air spring of the air spring arrangement with the exhaust valve closed and the compressor inactive. Compressed air from the air dryer and/or the air distributor module is initially discharged into an air spring ascertained to be the first air spring, and chronologically following the discharge of compressed air into the first air spring, compressed air remaining in the air dryer and/or the air distributor module is discharged into a second air spring of the air spring arrangement and/or an intermediate volume.
The invention relates to a disc brake (1) for a vehicle, in particular a commercial vehicle, having a caliper (2) and two brake linings (4, 4') movably guided on the caliper (2), a hold-down spring (6, 6') on each brake lining (4, 4'), a hold-down bracket (8 - 8") for preloading the hold-down springs (6, 6') against the respective brake linings (4, 4'), an expanding spring (10) which is designed to apply an expansion force (Fs) in an effective direction between the brake linings (4, 4') and to move the brake linings (4, 4') away from one another, wherein at least one, preferably both end(s) (14, 14') of the expanding spring (10) is/are each assigned a slider (16) for transferring the expansion force (Fs). The slider (16) has a guide portion (18) accommodating the respectively associated end (14, 14') of the expanding spring (10), wherein the expanding spring end (14, 14') and the guide portion (18) partially overlap one another.
F16D 65/097 - Resilient means interposed between pads and supporting members
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
B60T 1/06 - Arrangements of braking elements, i.e. of those parts where braking effect occurs acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
26.
METHOD FOR CONTROLLING A DRY-RUNNING PISTON COMPRESSOR, AND PISTON COMPRESSOR FOR CARRYING OUT SAID METHOD
The invention relates to a dry-running piston compressor (1) for supplying compressed air to a compressed air supply system (50) and to a method for controlling said piston compressor. The piston compressor has a piston (3) which can be axially moved in a cylinder housing (2) connected to a crankcase (7). A radially outer seal element (20) of the piston (3) sealingly rests against a cylinder running surface (26) of a cylinder bore (25) formed coaxially in the cylinder housing. Additionally, a rotatably mounted crankshaft (15) is arranged in the crankcase, said crankshaft being connected to a driveshaft of an electrically or electronically controllable electric drive machine (30) on the drive side and to the piston (3) by means of a connecting rod (8) on the output side. A connecting rod bearing eye (19) of a connecting rod bearing (17), said connecting rod bearing eye being formed at an axial end of the connecting rod, is rotatably mounted on an eccentric pin (16) of the crankshaft (15), and the other axial end of the connecting rod (8) is rigidly connected to the piston (3). The piston is driven by the electric drive machine (30) via the crankshaft (15) and the connecting rod in order to generate compressed air, and the piston is moved axially between a lower dead center (UT) and an upper dead center (OT) while carrying out a piston stroke movement and while changing the angular position thereof in the cylinder bore (25). According to the method, in order to increase the service life of the seal element (20), the electric drive machine (30) is actuated so as to reverse the rotational direction of the crankshaft (15) in an alternating manner and thus change the rotational direction of the piston compressor (1).
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
F04B 39/04 - Measures to avoid lubricant contaminating the pumped fluid
A pneumatic ABS valve device (10) includes: a casing (1) having a supply port (2) for receiving pressurized air; a working port (3) for providing a braking pressure to a brake actuator (9); an exhaust port (4) for a releasing pressurized air from the brake actuator (9); and a flow path (17) defined in the casing (1) and connecting the working port (3) and the supply port (2). A reversibly deformable quick release insert (5) is arranged in the flow path (17) and received in the casing (1) and moves into a blocking position (B) when an exhaust air flow (f2) is provided by the working port (3). The quick release insert deforms in the blocking position (B) to sealingly rest against a sealing surface (28) of the casing (1) thereby blocking the flow path (17), and returns into an undeformed basic position (A) in an unloaded or low-loaded condition.
B60T 15/52 - Other control devices or valves characterised by definite functions for quick release of brakes, e.g. for influencing counter-pressure in triple valve or recirculating air from reservoir or brake cylinder to brake pipe
28.
DISC BRAKE FOR A MOTOR VEHICLE, AND MOTOR VEHICLE COMPRISING A DISC BRAKE
The invention relates to a disc brake (1) for a motor vehicle (100), in particular a floating-caliper brake for a utility vehicle (102), comprising a brake caliper (6), two brake pads (8, 8') which are received on the brake caliper (6) and can be moved relative to each other, and a caliper bracket (10) for receiving the brake caliper (6), wherein the caliper bracket (10) is designed to couple the brake caliper (6) to a rigid axle part (4) of the motor vehicle (100). The caliper bracket (10) has an installation interface (24) for a housing box (14) of a brake dust retaining system (16), said housing box being securable directly to the caliper bracket.
A pneumatic valve (100) for a pneumatic system (250) of a vehicle (200a) has a cylinder (110) and a main piston (120) arranged within the cylinder (110). The cylinder (110) has an end face (113) with an air distribution channel (130) connected to an air inlet (135) and adapted to deliver pressurized air to move the main piston (120) within the cylinder (110). The air distribution channel (130) delivers air to an inner section (121) and to an outer section (111) being arranged radially outwardly from the inner section (121), and between the main piston (120) and the end face (113). The air distribution channel (130) is adapted to deliver pressurized air to the inner section (121) and to the outer section (111) alternatingly.
F15B 15/08 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit
A brake control valve (102; 302) comprises a pneumatic pressure inlet port (120) receiving brake pressure reflecting a driver's brake demand pressure component, a relay valve (124) comprising a control port (122), an input port (116) and an output port (132), wherein, depending on control pressure received at the control port (122), the relay valve (124) is configured to connect the input port (116) with the output port (132), and an electropneumatic pre-control unit (EPU1; EPU2), wherein the output pressure of the electropneumatic pre-control unit (EPU1; EPU2) is configured to supply the control pressure to the control port (122) of the relay valve (124), characterized in that, the electropneumatic pre-control unit (EPU1; EPU2) comprises a solenoid valve (110) and a pressure operated unit (112; 304). In particular, the brake control valve is configured to function as a rear axle modulator valve of an electropneumatic brake system of a commercial vehicle.
B60T 8/88 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
B60T 13/68 - Electrical control in fluid-pressure brake systems by electrically-controlled valves
31.
COMPRESSOR MODULE, COMPRESSED-AIR SUPPLY SYSTEM, AND METHOD FOR OPERATING A COMPRESSED-AIR SUPPLY SYSTEM HAVING THE COMPRESSOR MODULE
The invention relates to a compressed air supply system (30) comprising compressed air consumers (34), compressed air lines, valves (44, 46, 48, 50, 52, 54), a compressed air control unit (56) for controlling the valves, a compressor or compactor (12) having an electric motor (14) as the drive, and a pressure accumulator (36). The compressed air consumers (34) are pneumatically connected or connectable to the compressor or compactor (12) and/or the pressure accumulator (36) in such a way that the compressed air supply system (30) can be operated either in an open operating mode or in a closed operating mode. The compressed air control unit (56) is designed, in response to a request signal, to predict an output pressure at the output of the compressor or compactor (12) at the time T when a corresponding state of the pressure consumer is reached. Depending on the predicted output pressure, the compressed air control unit (56) either activates the open or closed operating mode, or provides a predefined target speed for controlling the rotational speed of the electric motor, or, when activated, provides an operating mode.
B60T 8/40 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
H02P 6/08 - Arrangements for controlling the speed or torque of a single motor
34.
OPERATING STRATEGY FOR LIMITING THE POWER CONSUMPTION OF A BRUSHLESS MOTOR FOR ELECTRICALLY DRIVEN PASSENGER-CAR AIR-SPRING COMPRESSORS THROUGH MODE SWITCHING
H02P 1/18 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual DC motor
35.
SENSOR WITH HOUSING AND MEASUREMENT CELL, VEHICLE COMPONENT WITH A SENSOR RECEIVING AREA INTO WHICH THE SENSOR IS INSERTED, TESTING DEVICE, AND TESTING METHOD FOR TESTING THE SENSOR
The invention relates to a sensor (10) with a measurement cell (12) and a housing (14) which surrounds the measurement cell (12) and extends from a connection side (16) to a measurement side (18) facing away from the connection side. According to the invention, the housing (12) has a dedicated test channel which is open towards the connection side and which extends from the measurement cell (12) to an opening on the connection side.
G01M 99/00 - Subject matter not provided for in other groups of this subclass
G01M 3/32 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
The invention relates to a brake actuator (1) for a vehicle, in particular for a commercial vehicle, comprising a housing (3) having a push rod aperture (5), a push rod (7) configured to connect to a brake mechanism (101). The push rod (7) is configured to move back and forth through the push rod aperture (5) between a retracted position and an extended position. A sealing boot (13) extends along the push rod, being flexible in a longitudinal direction (L) and having a first end portion (15) sealingly engaging the push rod (7) at an intermediate region (8) of the push rod (7), and a second end portion (17) sealingly engaging the push-rod aperture (5). The boot (13) has a plurality of outer folds (19a, 19b, 21) distributed along the longitudinal direction (L). The boot (13) is configured to resiliently deform between a relaxed state and a loaded state, the relaxed state corresponding to the retracted position of the push rod (7) and the loaded state corresponding to the extended position of the push rod (7). It is suggested that the first end portion (15) of the boot (13) comprises a stop shoulder (27) arranged inside the housing (3). The plurality of outer folds (19a, 19b, 21) comprises at least one first outer fold (19a, 19b) configured to abut against the stop shoulder (27) inside the housing (3) when the push rod (7) is in the extended position, and at least one second outer fold (21) configured to evert past the stop shoulder (27) to the outside of the housing (3) when the push rod (7) is in the extended position.
B60T 17/08 - Brake cylinders other than ultimate actuators
F16J 15/52 - Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
A safety valve (100) for a pneumatic conduit (798) includes a valve body (120) having a pressure port (122) pneumatically connected to a pressure side (840) of the pneumatic conduit (798) and a release port (124) pneumatically connected to a release side (860) of the pneumatic conduit (798), a valve piston (140) axially movable along a valve axis (AV) relative to the valve body (120) between a release-side end position (SP1) and a pressure-side end position (SP2), and a valve piston spring (160) that pushes the valve piston (140) into the pressure-side end position (SP2). The safety valve (100) includes a pressure-side gasket (130), which is adapted to inhibit the air flow (AF) between the pressure port (122) and the release port (124) when the valve piston (140) is in the pressure-side end position (SP2).
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
F15B 13/04 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
A rear spoiler device for a commercial vehicle includes a fixed air panel extending in a longitudinal panel direction and having first leading and trailing edges. An actuatable air panel including second leading and trailing edges is coupled to the fixed air panel and actuatable in the longitudinal panel direction relative to the fixed air panel between a retracted position and a deployed position. The actuatable air panel is at least partially overlapped by the fixed air panel, thereby forming a plenum cavity between the actuatable air panel and the fixed air panel. In the deployed position, the actuatable air panel extends the first trailing edge in the longitudinal panel direction. The first leading edge includes a leading-edge inlet for an inlet airflow into the plenum cavity, the inlet airflow acting on the second leading edge in the longitudinal panel direction with a deploying force.
A safety valve (100) for a pneumatic conduit (798) includes: a valve body (120) with a pressure port (122) pneumatically connected to a pressure side (840) of the pneumatic conduit (798) and a release port (124) pneumatically connected to a release side (860) of the pneumatic conduit (798), a valve piston (140) axially movable along a valve axis (AV) relative to the valve body (120) between a release-side end position (SP1) and a pressure-side end position (SP2), and a valve piston spring (160) to push the valve piston (140) into the pressure-side end position (SP2). A bypass conduit (150) extends through the valve body (120) or the valve piston (140) and, depending on the position of the valve body, permits a release airflow (AF) to flow through the bypass conduit between the pressure port (122) and the release port (124).
F15B 13/02 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
F16K 17/28 - Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
40.
METHOD FOR CONTROLLING THE PRESSURE OF AN AIR BELLOWS
pBB B to be expected in the air bellows and resulting from the supply of air mass during the preceding cycle is determined by means of the algorithm and is provided as an input signal to an electronic control unit.
A brake caliper (100) includes a bolt guide (110) for axially displacing the brake caliper (100) on a brake carrier. A bolt (122) is received axially displaceably in the bolt guide (110), the bolt (122) having a bushing (124) arranged around the bolt (122). In addition to the bushing (124) and adjacent thereto, the brake caliper (100) has at least one damping element (130), the damping element (130) circumferentially surrounding the bolt (122) and being designed to damp a relative movement in the radial direction between the bolt (122) and the bolt guide (110). A kit for a bolt guide (110) of a brake caliper (100) includes the bolt, the bushing, and the damping element.
F16D 55/00 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
42.
REAR SPOILER DEVICE FOR A UTILITY VEHICLE, IN PARTICULAR A TRUCK OR A TRAILER
The invention relates to a rear spoiler device (6) for a utility vehicle (1). The rear spoiler device (6) has at least one adjustable roof air guide element (8), an adjustment device (9) for adjusting the roof air guide element (8) between a basic position for resting against the rear region (11) of the utility vehicle (1) and an extended driving position for aerodynamic air guidance and contour elongation of a roof surface (3) of the utility vehicle (1) toward the rear. The adjustment device (9) furthermore has two pivotable rockers (10, 14) and an actuator (12) for adjustment between the driving position and the basic position, wherein the rockers (10, 14) form a four-link arrangement with the roof air guide element (8). A telescopic element (20) is provided to change a rocker length (L10) of one of the rockers (10, 14).
The invention relates to an electronic control unit (10) for an electronically regulated level control device (1) of a mechanically and/or pneumatically/hydraulically suspended vehicle, comprising control means which are designed to control the level and sensor means. The control means and sensor means are installed in the vehicle and/or are functionally expanded such that in addition to the level control or in lieu of the level control, functions can be added for ascertaining the axle load on mechanically suspended vehicle axles (4) and on pneumatically/hydraulically suspended vehicle axles (2). According to the invention, the control unit (10) has an electric interface (10a) which is designed to receive electric measurement signals from sensors (6a, 9a) of different sensor types that are suitable at least for ascertaining the axle load on mechanically suspended vehicle axles, and the control unit has a first non-volatile storage device (10b) for storing sensor-specific characteristic curves and a second non-volatile storage device (10b) for storing an algorithm for processing or reprocessing the measurement signals which are forwarded or processed using the interface (10a), wherein for each stored sensor type, the current axle load on the mechanically suspended vehicle axle (4) in question can be ascertained by correlating the respective measurement signal forwarded or processed via the interface (10a) with the characteristic curve stored for the respective sensor type.
The invention relates to a method for bleeding at least one brake channel in a brake circuit of a compressed-air braking system of a vehicle, in which method the brake channel can be bled. The compressed-air braking system comprises a braking-pressure modulator which has a plurality of switchable valves for a control pressure. The compressed-air braking system also comprises an electronic controller interacting with the braking-pressure modulator, one or more brake cylinder(s) acting on a wheel brake, as well as one or more pressure sensor(s). The braking-pressure modulator comprises at least one relay valve for each brake channel, by means of which relay valve a quantity of air from a supply pressure line, which is independent of the control pressure, can be introduced into at least one brake cylinder in order to actuate the brake, and by means of which relay valve the brake cylinder can be bled via a bleed outlet of the relay valve. During bleeding by switching one or more valve(s) of the braking-pressure modulator, the pressure is controlled to a target-pressure specification. In this process, the target-pressure gradient is varied during bleeding on the basis of the pressure in the brake cylinder and on the basis of the operating state of the vehicle, according to an algorithm stored in the controller.
B60T 7/20 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
B60T 13/66 - Electrical control in fluid-pressure brake systems
B60T 13/68 - Electrical control in fluid-pressure brake systems by electrically-controlled valves
B60T 17/00 - Component parts, details, or accessories of brake systems not covered by groups , or , or presenting other characteristic features
The invention relates to a wear sensor (18) for a vehicle (10) for providing an electrical output signal (24, 32) which indicates a state of wear (44) of a component (16) of the vehicle (10). The wear sensor (18) comprises a recording unit (40) for recording the state of wear (44) of the component (16) and for generating an electrical wear raw data signal (42) which indicates the state of wear (44) of the component (16). The wear sensor (18) also comprises a converter unit (46) for converting the wear raw data signal (42) into a binary electrical output signal (32), the binary electrical output signal (32) indicating the state of wear (44) of the component (16), and a signal contact (62) for outputting the binary electrical output signal (32). The invention also relates to a controller (30), to a system (38) having at least one wear sensor (18), to a vehicle (10) comprising such a system (38), and to a method for providing an electrical output signal (24, 32).
1231231231233) is not to be assigned to the defined value range, a second target braking is actuated. The invention additionally relates to a brake system and to a vehicle.
B60T 13/68 - Electrical control in fluid-pressure brake systems by electrically-controlled valves
B60G 17/017 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their use when the vehicle is stationary, e.g. during loading, engine start-up or switch-off
B60G 17/0195 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the regulation being combined with other vehicle control systems
B60T 8/18 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution
47.
SYSTEM WITH MULTIPLE DRIVE MODULES, DRIVE MODULE FOR AT LEAST ONE ACTUATOR OF A WHEEL OR AXLE OF A VEHICLE, VEHICLE INCLUDING THE SYSTEM, AS WELL AS METHOD FOR TEACHING DRIVE MODULE IDENTIFIERS
A system includes multiple drive modules, each for at least one actuator of a wheel or an axle of a vehicle. Each drive module has a bus interface for connecting to a bus, a switching signal input and a switching signal output. The drive module is configured to operate in an operating mode and a learning mode. The drive module has a switch and is configured to use the switch in the operating mode to conductively connect the switching signal input to the switching signal output and, after a transition from the operating mode to the learning mode, to interrupt the connection between the switching signal input and the switching signal output. The drive modules are connected in series via the switching signal inputs and switching signal outputs.
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
The invention relates to a method for operating a compressed air system in a vehicle, wherein the compressed air system has pneumatically operated actuators, switchable pneumatic valves and devices for supplying and preparing compressed air, which are connected to one another via a pneumatic line system, wherein the devices for supplying compressed air comprise at least one compressed air source and a compressed air store, and in the line system a pressure sensor is provided for measuring the pressure, wherein for controlling the compressed air system in an open- and closed-loop manner at least one electronic control device is provided, and the pneumatic valves are actuated in accordance with an algorithm programmed in the control device and in accordance with a switching program specified therein, wherein the algorithm for the switching program is programmed such that depending on the difference between the pressure in the compressed air store and the pressure in the line system, pneumatic valves are actuated to connect the compressed air store to the line system only after pressure equalisation between the pressure in the compressed air store and the pressure in the line system, during which pressure equalisation compressed air from the compressed air source and/or the actuators or devices is introduced into the line system.
A flexible printed circuit (112) for a gearbox control unit (102) of a commercial vehicle includes a body section (126) and an arm section (148). The arm section (148) is attached to the body section (126). The body section (126) includes a body mounting interface (150) for mounting the flexible printed circuit (112) to a bottom housing section (104) and/or a top cover (6) of a gearbox control unit (102). The arm section (148) includes an arm mounting interface (130) having at least one opening (132). The opening (132) is configured to receive a fastening device (134) arranged at a bottom housing section (104) and/or a top cover (6) of the gearbox control unit (102).
A device is for checking the plausibility of measured values of an axle load measuring system determinable via a sensor system, using which the axle load resting on all axles of a vehicle is determinable as a first total axle load value. The device has a comparator and a computing unit. A second total axle load value is computable via the computing unit. The first and the second total axle load value can be supplied to the comparator, a comparison between the two total axle load values can be carried out via the comparator, and, if there is a sufficiently large difference between the first total axle load value and the second total axle load value, an error message can be generated and/or a signal generator can be activated via the comparator. Manipulations and measurement errors on the axle load measuring system may be recognized in this way.
B60W 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention
B60W 50/16 - Tactile feedback to the driver, e.g. vibration or force feedback to the driver on the steering wheel or the accelerator pedal
H04W 4/40 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
51.
HOUSING ASSEMBLY FOR A DISC BRAKE ASSEMBLY WITH A BRAKE CALLIPER FOR THE ENCAPSULATED ARRANGING OF A BRAKE DISC IN AN INTERIOR SPACE FORMED BY AT LEAST THE BRAKE CALLIPER AND THE HOUSING ASSEMBLY FOR A VEHICLE, IN PARTICULAR A COMMERCIAL VEHICLE, DISC BRAKE ASSEMBLY, AND VEHICLE
The invention relates to a housing assembly (100) for a disc brake assembly (210) having a brake calliper (160) for the encapsulated arranging of a brake disc (205) in an interior space (150) formed by at least the brake calliper (160) and the housing assembly (100) for a vehicle (200a), in particular a commercial vehicle (200b), wherein the housing assembly (100) comprises: a cover plate (110) for encapsulating the brake disc (205) with a cooling structure (120) for cooling the disc brake assembly (210), wherein the cooling structure (120) has a plurality of heat-conducting elements (125) arranged inside and outside the interior space (150).
A method for determining the wheel load or axle load of an air-sprung vehicle by measuring the internal pressure of the air spring, wherein the wheel load or axle load is determined using a pressure curve which represents the relationship between a bearing force acting on the air spring and the internal pressure of the air spring, characterized in that starting from a wheel load or axle load determined by pressure measurement, using an original pressure curve of an air spring which has been newly brought into operation, further pressure measurements are carried out using pressure curves which, in comparison with the original pressure curve, show a change reflecting the aging of the air spring.
G01G 19/10 - Weighing apparatus or methods adapted for special purposes not provided for in groups for incorporation in vehicles having fluid weight-sensitive devices
The invention relates to a disk brake assembly (100) for a vehicle (200a), in particular a utility vehicle (200b), comprising a brake disk (18) and a brake caliper (20) which holds a first brake pad (22a) and a second brake pad (22b), wherein: the brake disk assembly (18) surrounds an interior space (32) by means of a brake disk (24), a rim contact element (26) and a carrier (28) which connects the brake disk (24) and the rim contact element (26) in respective radial outer portions (30a, 30b); the brake caliper (20) is at least partly located in the interior space (32), and the first brake pad (22a) is located in the interior space (32); and the first brake pad (22a) can be brought into frictional contact with an inner face (24a) of the brake disk (24) facing the interior (32), and the second brake pad (22b) can be brought into frictional contact with an outer face (24b) of the brake disk (24) opposite the inner face (24a).
F16D 65/18 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
54.
PNEUMATIC BRAKE ACTUATOR AND PUSHROD BOOT FOR SUCH ACTUATOR
A rod boot (24) seals a rod opening (20), through which a piston rod of a piston of a pneumatic actuator is guided from a retained position to an extended position. The rod boot is connected to the rod opening (20) and the piston rod (18). A mantle (30) of the rod boot (24) has a first section (34) and a second section (36) opposite from the first section (34). The first section (34) is connected to the rod opening (20) and the second section (36) is connected to a mounting section (38) of the piston rod (18). The second section (36) is inverted inwardly (40) relative to the first section (34), and the longitudinal dimensions of the first section (34) and second section (36) vary relative to each other as a function of a relative position of the first section (34) to the second section (36).
B60T 11/00 - Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
F16D 65/18 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
A method is provided for controlling a brake system (12) of a motor vehicle (2), having wheel brakes controllable for carrying out an anti-lock function (ABS) and for carrying out a roll stability control function (RSC). During cornering or in the event of a sudden evasive movement, the motor vehicle (2) is braked by actuation of the wheel brakes (26a, 26b, 28a, 28b) on account of a determined risk of tilting. With the start (t1) of an ABS control operation on the braking force (pB_KA) of a wheel brake (26b; 28b) on the inside of the bend on at least one motor vehicle axle (4; 8), the braking force (pB_KA) of at least one wheel brake (26a; 28a) on the outside of the bend is increased, and is lowered again with the end of the ABS control operation (t3).
The invention relates to a shuttle valve (1) for a pneumatic system, having a valve housing (2) with a primary compressed-air inlet (11), a secondary compressed-air inlet (12) and a compressed-air outlet (8), and having a valve body (6) which is movably arranged in the valve housing (2) and is movable between a first end position (EL1), in which the primary compressed-air inlet (11) is connected to the compressed-air outlet (8), and a second end position (EL2), in which the secondary compressed-air inlet (12) is connected to the compressed-air outlet (8). According to the invention, an overflow chamber (22) is provided in the valve housing (2) and is connected to an auxiliary control surface (16) of the valve body (6), wherein the overflow chamber (22) is unpressurised at least in the first end position (EL1) and is pressurised in at least one other position of the valve body (6) in order to temporarily apply an auxiliary force to the valve body (6).
B60T 15/16 - Arrangements enabling systems to be controlled from two or more positions
F16K 17/26 - Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in either direction
F16K 31/383 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a piston
F15B 13/02 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
F16K 11/044 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
An air valve assembly housing, in particular an air valve assembly, is for an air valve assembly of a commercial vehicle air suspension system. The air valve assembly housing includes an air exhaust chamber and an actuator chamber configured to accommodate a pneumatic actuator. The pneumatic actuator has a valve body that is configured to move between a closed position and an open position. The air valve assembly housing includes a fluid passageway that extends from the actuator chamber to the air exhaust chamber such that the actuator chamber and the air exhaust chamber are in fluid communication at least when the valve body is in the open position. A number of radially extending protrusions partially obstruct the fluid passageway.
B60G 17/015 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
58.
VALVE-AND-DISTRIBUTOR ASSEMBLY FOR AIR DISTRIBUTION IN AN AIR SUSPENSION OF A TRAILER OR SEMI-TRAILER OF A COMMERCIAL VEHICLE
The invention relates to a valve-and-distributor assembly (1) for air distribution in an air suspension of a trailer or semi-trailer of a commercial vehicle, comprising an air distributor (4) and valve components (7, 8, 9) for actuating a lift axle (25) of the commercial vehicle. In a valve-and-distributor assembly which reduces the effort required for installation in commercial vehicles with or without a lift axle, the valve-and-distributor assembly (1) is designed to be modular in such a way that the air distributor (4) is arranged in at least one first distributor module (2) and the valve components (7, 8, 9) for actuating the lift axle (25) are arranged in at least one second distributor module (3), wherein the distributor module (2) comprising the air distributor (4) can be used independently of the other distributor module (3) comprising the valve components (7, 8, 9).
The invention relates to a vehicle drum brake (1), in particular for utility vehicles, comprising a brake carrier (5), a drum (3) which is rotationally movable about a drum axis (X) relative to the brake carrier (5) and has a circumferential inner frictional surface (21), wherein the brake carrier (5) is arranged inside the drum (3), a brake lining assembly (7) with a plurality of radially movable lining carriers (11), each of which has provided on it a brake lining segment (9) facing the frictional surface (21), and an actuating ring (13) which is arranged in the drum (3) displaceably along the drum axis (X) and rotatably about the drum axis (X). The invention proposes that a wedge element (35) is arranged on the actuating ring (13) for each lining carrier (11), wherein the wedge elements (35) are each radially movable relative to the actuating ring (1) and are held axially on the actuating ring (13), and are each held on the brake carrier (5) in the circumferential direction.
B60T 1/06 - Arrangements of braking elements, i.e. of those parts where braking effect occurs acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
B60T 13/36 - Compressed-air systems direct, i.e. brakes applied directly by compressed air
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 49/18 - Brakes with three or more brake-blocks
F16D 51/10 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes
F16D 51/14 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes fluid actuated
F16D 51/16 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
F16D 51/32 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with three or more brake-shoes
F16D 51/46 - Self-tightening brakes with pivoted brake-shoes
F16D 51/54 - Self-tightening brakes with pivoted brake-shoes with three or more brake-shoes, at least two of them being linked or directly interacting
F16D 51/60 - Self-tightening brakes with pivoted brake-shoes with wedging action of a brake-shoe, e.g. the shoe entering as a wedge between the brake-drum and a stationary part
F16D 65/04 - Bands, shoes or padsPivots or supporting members therefor
F16D 65/09 - Pivots or supporting members therefor
A disc brake for a motor vehicle has a brake carrier, brake pads, a brake caliper mounted on the brake carrier in an axially movable manner, a clamping device having a pressure piece with an internal thread, and an adjusting unit having an adjusting spindle (22) for adjusting a clearance of the disc brake. The adjusting spindle (22) has an external thread (28) and is screwed into the internal thread of the pressure piece and is adjusted axially via rotary movement by a resetting tool. A cylindrical adapter (32.1) is inserted into a recess (30) of the adjusting spindle (22) at an end of the adjusting spindle (22) facing away from the brake pads. The adapter (32.1) has a cavity (34) in its center designed as a tool interface for the resetting tool.
F16D 65/54 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
B60T 1/06 - Arrangements of braking elements, i.e. of those parts where braking effect occurs acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
The invention relates to a vehicle drum brake (1), in particular for utility vehicles, having a brake carrier (5), a drum (3) which is rotatable relative to the brake carrier (5) about a drum axis (X) and has a peripherally formed inner friction surface (21), wherein the brake carrier (5) is arranged within the drum (3), and a brake lining arrangement (7) with a plurality of radially movable lining carriers (11) on each of which a brake lining segment (9) is provided facing the friction surface (21). It is proposed that the brake lining arrangement (7) has a holding cage (15) on which the lining carriers (11) are mounted, wherein the holding cage (15) is reversibly releasably connected to the brake carrier (5).
F16D 65/10 - Drums for externally- or internally-engaging brakes
B60T 1/06 - Arrangements of braking elements, i.e. of those parts where braking effect occurs acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
Sensor device for determining the spatial position of the coachwork or body of a vehicle wherein inclinations or existing distances in each case relative to one another of the body or coachwork and axles or chassis and/or road surface are measurable via the sensor device and the signals from the sensor device corresponding to the determined inclinations or distances are transmittable to an electronic control device of a level-regulating system and are processable there in a regulating algorithm, wherein the sensor device has a combination of at least one distance-measuring sensor and an inclination sensor, and also an electronic evaluation unit, wherein the sensor signals from both sensors are processable by the electronic evaluation unit and are transmittable to the electronic control device.
B60G 17/019 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
B60G 17/0165 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (China)
ZF CV SYSTEMS EUROPE BV (Belgium)
Inventor
Sun, Chao
Chamot, Marcin
Abstract
The present invention provides an eccentric noise-reduction two-way check valve, comprising: a shell (1); an eccentric valve body (3) which is mounted in the shell (1) and comprises a push element fixing seat (31); and a push element (4) mounted on the push element fixing seat (31) and configured to push the eccentric valve body (3) in a direction in which the two-way check valve is closed, wherein the push element fixing seat (31) is arranged to be eccentric relative to the shell (1). The present invention can quickly eliminate abnormal noise with lower costs, without adding additional parts.
F16K 5/02 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfacesPackings therefor
64.
COMPRESSOR CONTROL METHOD FOR A PISTON COMPRESSOR MOTOR OF A PISTON COMPRESSOR AND COMPRESSOR CONTROLLER FOR EXECUTING THE METHOD, COMPRESSOR SYSTEM AND VEHICLE HAVING SAME
The invention relates to a compressor control method (100) for a piston compressor motor (26) of a piston compressor (24). To start the piston compressor motor (26), the piston compressor motor (26) is initially operated with a predefined initial rotational frequency (114) during a measurement phase (118). A performance parameter (122) of the piston compressor is measured here for at least one full rotation (61) of the piston compressor motor (26) to obtain a performance parameter profile (130) of the piston compressor (24). Then, a performance parameter characteristic (140) is determined in the measured performance parameter profile (130) and operation of the piston compressor motor (26) is continued or restarted with the initial rotational frequency (114) and measurement of the performance parameter (122) is continued or restarted in an identification phase (148) until the determined performance parameter characteristic (140) of the measured performance parameter (11) is detected. When or after the performance parameter characteristic (140) has been detected, operation of the piston compressor motor (26) continues with an operating rotational frequency (174) in an operating phase (171) or the piston compressor motor (26) is stopped and operation of the piston compressor motor (26) continues with the operating rotational frequency (174) in the operating phase (171) after stopping. The operating rotational frequency (174) is greater than the initial rotational frequency (114). The invention also relates to a compressor controller (27), to a compressor system (10) having a piston compressor motor (26) and a compressor controller (28), and to a vehicle (16) having a compressor controller (28).
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
F04B 41/02 - Pumping installations or systems specially adapted for elastic fluids having reservoirs
F04B 49/02 - Stopping, starting, unloading or idling control
The invention relates to a control unit (200) designed for implementing in a vehicle pressurised air system, comprising at least one switch valve with a switch element, in particular a magnetic switch valve (43, 93) with a switching coil, which can be activated by a switching current (201), and at least one valve controller (205) which is designed to provide a switching current (201) for the at least one switch valve, wherein the valve controller (205) has a pulse-width modulator (211) which is designed to control the switching current (201) for the at least one switch valve with a switch element based on a pulse-width modulation and by means of a switching current target value (201d) and a determined switching current actual value (201c). According to the invention, the valve controller (205) has a look-up table (230) in which a plurality of correction factors (KF) are stored for at least one switching current target value of the at least one switch valve according to at least one operating parameter of the switch valve, wherein the correction factor (KF) represents a factor between the measured switching current (201a) and an effective value (201c) of the switching current (201), wherein the effective value (201c) of the switching current (201) represents the actual value (201c) of the switching current (201), wherein the pulse-width modulator (211) is designed to control the switching current (201), taking the switching current actual value (201c) into consideration.
F16K 1/00 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
G01R 19/02 - Measuring effective values, i.e. root-mean-square values
A method is for operating a vehicle combination having a tractor and at least one trailer. A brake control unit of a tractor brake system monitors the braking behavior of the tractor or the vehicle combination, and if necessary the brake pressure at each of the wheel brakes of the tractor, and initiates the deceleration of the trailer. To improve the driving safety of the vehicle in the event of limitation of the functionality of components of the vehicle combination, at least one vehicle component of the tractor and/or of the trailer, the vehicle component being relevant for driving safety, is monitored with regard to functionality, and in the event of detection of a limitation of the functionality of a component, the brake control unit of the tractor brake system decelerates the vehicle combination using a trailer brake system of the trailer.
B60T 7/20 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
67.
Valve arrangement of an air suspension system of a vehicle and method for controlling such an air suspension system
A valve arrangement of a vehicle's air suspension system has a pressure generator with a two-stage compressor drivable by an electric motor, an air dryer, and a switchover valve. A main line is connected to the pressure generator and branches into at least two first axle lines. Two bellows lines per vehicle axle each branch off from one of the first axle lines and lead via a shutoff valve to an air bellows. The pressure generator has a second connection connected to a delivery line of the pressure generator between two compressor stages of the compressor. A second main line is connected to the second connection. The second main line branches into at least two second axle lines downstream of a shutoff valve. These second axle lines are each connected to one of the branching points of the first axle lines at the axles, each via one shutoff valve.
The invention relates to a method for wirelessly transmitting a control command to a transmitting and receiving device which emits a measurement signal for detecting an object or a state of its environment and receives the reflected measurement signal and processes same in an associated electronic circuit, wherein, by means of a reflector placed in the propagation direction of the emitted measurement signal, the emitted measurement signal is changed and reflected in such a way that, in an electronic circuit associated with the transmitting and receiving device, the changed measurement signal can be recognized as a control command and processed.
A pneumatic valve (1) includes a housing (6), a supply connection (8), a working connection (10) for providing working pressure (pB), an exhaust portion (12) for discharging pressurized air, an attachment portion (74), a valve member (24) and a venting guide (4). The venting guide (4) has a venting channel (108) and complementary connection elements (76) engaging the attachment portion (74), a spout (78), and a support projection (100). The support projection (100) is positioned adjacent to a contact region (102) of the housing (6) and configured to abut the contact region (102) to block tilting of the venting guide (4) relative to the housing (6). A vehicle (300) includes a brake system (200) having the pneumatic valve (1).
The invention discloses a pneumatic valve arrangement (100) for controlling an air flow (F) of compressed air (102). The valve arrangement comprises a valve unit including an input port (1) and an output port (1) for receiving and providing compressed air and an actuator unit (106) configured to actuate (A) a pneumatic connection (108) between the input port and the output port. A valve-control unit (110) is configured to ascertain a respective actuation function (AFi) associated with each of a plurality of available air flow characteristics (Ci), to ascertain, from the plurality of available air flow characteristics, a target air flow characteristic (CT) for delivering the compressed air (102) by the pneumatic valve unit (104), and to control the actuator unit using the actuation function associated with the target air flow characteristic (CT) for delivering the compressed air (102) in accordance with the target air flow characteristic (CT).
The invention relates to an air suspension and lift axle system (2.1) of a trailer vehicle, which has a plurality of vehicle axles (4, 6, 8) arranged one behind the other in its longitudinal extension, each of which is air-suspended via supporting bellows (16a, 16b; 18a, 18b; 20a, 20b). One of these vehicle axles is designed as a lift axle (8) that can be raised and lowered by means of a lifting bellows (22a, 22b). The air suspension and lift axle system (2.1, 2.2, 2.3, 2.4) has an air suspension valve (24, 24') and a lift axle valve (52, 52', 52''), to which connecting lines (56a, 56b; 58a, 58b; 60a, 60b; 62a, 62b) leading to the supporting bellows of the vehicle axles and to the lifting bellows of the lift axle are connected. To achieve a clear arrangement of the connecting lines leading to the supporting bellows and lifting bellows, an air distributor (54) is assigned to the lift axle valve (52), wherein the air distributor has so many output connections (A2a, A2b; A2c, A2d; A3a, A3b; A4a, A4b) that a separate connecting line is led from each of the output connections to one of the supporting bellows (16a, 16b; 18a, 18b; 20a, 20b) of the vehicle axles (4, 6, 8) and to the lifting bellows (22a, 22b) of the lift axle (8).
The invention relates to a device for measuring the body height of a motor vehicle by determining a distance between a body and a chassis part which is exposed to environmental influences that can lead to deposits or soiling on the surface of the chassis part. The device has a transmitting and receiving device for electromagnetic waves, transmits electromagnetic radiation directed at the chassis part as a signal and receives and processes the signal reflected by the chassis part, the reflected signals being analysed with the aid of an algorithm stored in a control unit assigned to the device, and a distance of the chassis part to the transmitting and receiving device that can be calculated from the transit times of the transmitted and received signals being determined. The transmitting and receiving device is aligned in relation to the chassis part in such a way that the emitted signal hits a surface area of the chassis part that is unaffected by deposits or soiling.
G01B 21/16 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance or clearance between spaced objects
G01B 21/26 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapersMeasuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes for testing wheel alignment
G01B 15/00 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
B60G 9/00 - Resilient suspensions for a rigid axle or axle housing for two or more wheels
B60G 17/019 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
A method for producing an environmental image of an entire multi-part vehicle having a tractor vehicle and at least one trailer vehicle includes providing an image capture device including a front camera for capturing a front capture region in front of the tractor vehicle and outputting a front individual image, front lateral cameras for capturing front lateral capture regions and outputting front lateral individual images, back lateral cameras for capturing back lateral capture regions and outputting back lateral individual images, and a rear camera for capturing a back capture region behind the trailer vehicle and outputting a back individual image. The method includes recording the individual images with the cameras, evaluating and/or cropping the individual images such that overlap regions are in each case formed at least between the front lateral individual images and the back lateral individual images, and combining the individual images to form the environmental image.
Solenoid valve (1) for pneumatic applications for a vehicle (100a), in particular utility vehicle (100b), wherein said fluid valve (1) comprises: an inner valve core (16) extending along a longitudinal axis (A), valve plate (8) displaceable between a basic position (BP) and an activated position (AP), for closing and opening at least one valve seat (4), an outer yoke (15), a valve connection body (2) with an inlet channel (3) extending along the longitudinal axis (A), a spring (26) for biasing said valve plate (8) into its basic position, and an electromagnetic coil (20) to be energized for creating a magnetic circuit (42) flowing through said inner valve core (16), said outer yoke (15) and said valve plate (8), for switching the valve plate (8) into said activated position, wherein the valve inlet channel (3) comprises at least three guiding ribs (38) arranged around or at an outer cylindrical surface (39) of the valve inlet channel (3) and being distributed along a circumference (39a) of the valve inlet channel (3), wherein the at least three guiding ribs (38) and an inner guiding contour (31a) of an annular protrusion (31) of the valve plate (8) are adapted to enable a vertical alignment of the valve plate (8) with respect to the valve inlet channel (3) when a linear displacement of the valve plate (8) occurs due to an energization of the electromagnetic coil (20).
F16K 11/044 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
F16K 15/14 - Check valves with flexible valve members
F16K 15/18 - Check valves with actuating mechanismCombined check valves and actuated valves
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
75.
DEVICE WITH A SENSOR AND A CIRCLIP FOR INDICATING WEAR OF A BRAKE LINING OF A DISC BRAKE, AND CIRCLIP
A device for indicating the wear of a brake lining of a disc brake, which triggers a signal when a wear limit of the brake lining is reached, includes a circlip (10) and a sensor (32) with a sensor head (34). The sensor (32) can be fastened in a bore of the brake lining and has a groove (36) that receives the circlip (10) to secure the sensor (32) on the brake lining. The groove (36) has a flattened region, and the shape of the circlip (10) is adapted to the flattened region. The circlip (10) has a region (12) which has a uniformly round curvature, and has bends (18, 20) in the direction of a centre (25) of the circlip (10) at the ends (14, 16) of this region (12). End pieces (22, 24) extend from the bends (18, 20) and have straight regions that are parallel and aligned.
The invention relates to a pneumatic system (10), comprising a compressor (101), a pneumatic installation (200) having at least one compressed air consumer (220), a reservoir (202) connected via a storage line (204), and a compressed air supply installation (100) for supplying the pneumatic installation (200), having a compressed air connection (1) to the compressor (101), a compressed supply connection (2) to the pneumatic installation (200), and a venting connection (3) to the surroundings (A) and a pneumatic main line (112) between the compressed air connection (1) and the compressed air supply connection (2) to an air dryer (102), and a venting line (113) leading away from the pneumatic main line (112) to the venting connection (3). The invention proposes a throttle arrangement (130) which is arranged between the air dryer (102) and reservoir (202), in particular between the air dryer (102) and valve block (210), with a nominal width (N1, N2) which, depending on the pressure (P) in the pneumatic main line (112), is changeable downstream of the throttle arrangement (130) in the conveying direction (R). The invention also relates to a compressed air supply installation (100), to a vehicle (1000) and to a method (2000) for operating a pneumatic system (10).
A device measures forces in a sprung chassis of a single-axle or multi-axle vehicle, in the force transmission path between the superstructure and the axle. Spring elements arranged between the axle and the superstructure are each connected to the axle and/or to the superstructure via a load-bearing element. The load-bearing element is made of an elastically deformable plastic or of an elastomeric material, and incorporated within the load-bearing element there are electrically conductive elements that are mutually spaced apart and insulated from one another, and that are variable absolutely and/or relative to one another in their position or geometry by a deformation of the load-bearing element effected under load, and thereby generate a detectable electrical quantity that is proportional to the elastic deformation of the load-bearing element.
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (China)
Inventor
Fila, Aleksander
Fuhrmann, Ingo
Qiu, Guoguang
Riediger-Janisch, Karl-Heinz
Wysocki, Pawel
Abstract
The invention relates to a pneumatic device (1) for a vehicle (200), comprising: a primary exhaust path (17) for exhausting a pressure-carrying section along a exhaust direction (R); a one-way valve (19) in the primary exhaust path (17) to enable exhaust pressure in the pressure-carrying section (15) exceeding a pre-determined exhaust pressure threshold; a secondary exhaust path (21) for ex-hausting a residual pressure from the pressure-carrying section (15); and a sealing device (23) in the secondary exhaust path (21) adapted to switch at least between a normal state (Z1) and a sealing state (Z2). In the normal state the secondary exhaust path (21) can be flowed through and in the sealing state (Z2) the secondary exhaust path (21) is sealingly blocked. The invention further relates to a pneumatic brake system and a method for exhausting a pressure-carrying section of a pneumatic device.
B60T 13/68 - Electrical control in fluid-pressure brake systems by electrically-controlled valves
B60T 8/36 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
B60T 15/36 - Other control devices or valves characterised by definite functions
The invention relates to a device arrangement having a work machine and further associated components, wherein on the work machine, at least one sensor is provided for converting physical variables into electrical variables, wherein the sensor has a feeler for measuring a physical variable and electrical contacts or lines for forwarding the electrical variable, wherein the work machine and at least one further component within the device arrangement can be combined with one another and are in each case designed as modular construction units, wherein the feeler of the sensor is connected to the work machine and the electrical contacts of the sensor are connected to the further component and, during combination of the modular construction units, the sensor can be positioned and brought into contact with an electronic circuit or an electronic control apparatus.
Device for measuring a wheel or axle load in a sprung chassis of a single-axle or multi-axle vehicle, wherein a load-bearing element formed from an elastomeric material is provided in the force transmission path between the body and the axle in such a way that a spring element arranged between the axle and the body is in each case connected in a force-transmitting manner either to the axle and/or to the body via the load-bearing element. Within the load-bearing element a cavity is provided, which contains a sensor device for measuring the absolute pressure within the cavity. The sensor device has a pressure sensor for generating an electrical signal proportional to the internal pressure in the cavity and processing electronics for forwarding the pressure-proportional signal to a receiver located outside the load-bearing element or to a control device. The cavity is configured as a completely closed pressure chamber/hollow space.
G01G 19/12 - Weighing apparatus or methods adapted for special purposes not provided for in groups for incorporation in vehicles having electrical weight-sensitive devices
B60G 17/019 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
81.
AIR COMPRESSOR ARRANGEMENT FOR A COMPRESSED AIR SUPPLY SYSTEM OF A VEHICLE, COMPRESSED AIR SUPPLY SYSTEM, AND METHOD FOR OPERATING A COMPRESSED AIR SUPPLY SYSTEM
An air compressor arrangement (10) for a compressed air supply system (30) of a vehicle (100) for generating compressed air during the operation of the vehicle system (90) at a definable geographical elevation, in particular on a pneumatic system (80) of the vehicle (100), having a compressor (12) and an electric motor (14) for driving the compressor (12), and wherein the air compressor arrangement (10) has an electronic control unit (16) and/or the air compressor arrangement (10) is assigned an electronic control unit (60) which is coupled or can be coupled in a signal-conducting manner to the electric motor (14) and is configured to detect at least one operating parameter which occurs at the electric motor (14) during operation of the air compressor arrangement (10). The electronic control unit (16, 60) is configured to determine an estimated value for the ambient pressure and/or the geographical elevation on the basis of the detected operating parameter over a defined working cycle of the compressor (12).
The disclosure relates to a method for controlling brakes of a trailer of a towing vehicle. The method can include measuring wheel end brake temperatures of the towing vehicle and of the trailer via temperature sensors; determining an average towing vehicle reference temperature for the towing vehicle from the measured wheel end brake temperatures of the towing vehicle; determining an average trailer reference temperature for the trailer from the measured wheel end brake temperatures of the trailer; and, adjusting a trailer brake pressure on a basis of the determined average towing vehicle reference temperature and the determined average trailer reference temperature. The operator can be warned if the difference between the determined average trailer reference temperature and the determined average towing vehicle reference temperature are outside the compatibility limit for a predetermined amount of time. The disclosure further relates to a trailer brake control system for an electronic braking system.
DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT (Germany)
ZF CV SYSTEMS EUROPE B.V. (Belgium)
Inventor
Sprengel, Thomas
Stabenow, Uwe
Abstract
Gesh1GeshGesh12GesnGesn2RR) of the compression stroke (8) into the surrounding area (15) via a discharge valve (14). A ventilation sequence is adapted on the basis of an acceleration (24) of the motor vehicle (80), wherein a differentiation is made between a longitudinal acceleration (26) and a lateral acceleration (28) with respect to the adaptation type. The invention likewise relates to an air spring system and to a motor vehicle.
B60G 17/016 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
The invention relates to a disc brake assembly, in particular for a sliding caliper-type disc brake, for a vehicle, in particular a utility vehicle, comprising at least one brake device for receiving a brake disc and two brake linings, which can be brought into frictional contact with the brake disc in order to produce a braking effect on the vehicle, and comprising a brake caliper assembly with a brake caliper, which supports the brake linings and which surrounds at least one first region of the brake disc, and a housing, which surrounds a second brake disc region that is not surrounded by the brake caliper, said housing having a modular design and consisting of a plurality of housing elements. The aim of the invention is to efficiently prevent the release of brake dust into the environment while simultaneously providing a construction which satisfies the requirements of the sliding caliper-type disc brake design. This is achieved in that a first housing element and at least one second housing element are arranged on respective brake caliper sides facing away from each other. The first housing element is arranged in the region of a brake caliper upper face facing away from the axial center of the brake disc, and at least the second housing element is arranged in the region of a brake caliper lower face facing the axial center of the brake disc.
B60T 17/22 - Devices for monitoring or checking brake systemsSignal devices
F16D 55/22 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
85.
Device and method for extracting an adjuster unit of a brake assembly
b) extending radially inwards from the peripheral wall of the sleeve (26), and the insert (102) includes a groove (107) configured to engage the sealing lip.
B23P 11/00 - Connecting or disconnecting metal parts or objects by metal-working techniques, not otherwise provided for
B25B 27/02 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
A piston for a compressor has a first end subjectable to pressure and intended to be directed toward a first volume of the compressor, and a second end subjectable to pressure located opposite the first and intended to be directed toward a second volume of the compressor. The first and the second volume are interconnected via a connecting line. The first end is in the form of a full-surface-area full side. The second end is in the form of an annular, stepped side. On the second end, the piston carries a sealing arrangement, which seals the first volume with respect to the second. An annular seal body, in the form of a sealing sleeve, is retained in a pressure-tight manner, via a profile base, on the stepped side, between a step-side piston ring arranged on the second end and a compression-volume-side retaining ring.
A gauge for measuring wear of a brake pad of a brake includes a first component having a first longitudinal portion extending in a longitudinal direction; the first component further has a jaw extending transversely from said first longitudinal portion. The jaw has a first contact region configured to contact a first side of a brake assembly. A second component has a second longitudinal portion extending in the longitudinal direction and a scale portion. A slide is configured to longitudinally slide along the scale portion. The slide has a second contact region configured to contact a second side of the brake assembly. The first and second components are interconnectable in a first relative position and a second relative position. The first and second contact regions define a mutual distance indicative of a thickness of the brake pad when applied to a brake caliper with the brake applied.
The invention relates to an ABS control valve (4) and method for testing the function of this ABS control valve, which has a brake pressure input (32), a brake pressure output (34), a bleed output (36), a pressure-controlled inlet valve (38) and a pressure-controlled outlet valve (44), wherein 3/2-way solenoid valves are assigned as pilot valves (40, 46) one to the inlet valve and one to the outlet valve, and the inlet valve can be closed and the outlet valve can be opened by energising said solenoid valves. The ABS control valve, to carry out the method, is arranged in a wheel brake line (30) of an electropneumatic braking system (1) of a vehicle, between an axle modulator valve (2) and at least one wheel brake cylinder (6), and the pneumatic switch function capability of the ABS control valve is checked by means of a test function. In accordance with the method, a brake pressure pB_E is set in the wheel brake line (30) by means of the axle modulator valve, the brake pressure progression pB_E(t) is then measured in an input-side portion (30a) of the wheel brake line by means of a pressure sensor (26) and is stored in a brake control unit (8), at least one switchover of the inlet valve or the outlet valve is prompted by switching at least one of the pilot valves of the ABS control valve on or off, whilst the brake pressure progression is being measured, and it is lastly assessed, on the basis of the brake pressure progression, whether an input control channel (70, 70a, 70b) or an output control channel (68, 68a), which connect the two pilot valves to one another, is open or closed.
B60T 8/36 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
89.
MEASURING DEVICE FOR A FRICTION BRAKE DEVICE, FRICTION BRAKE DEVICE, VEHICLE, IN PARTICULAR UTILITY VEHICLE, AND METHOD FOR CALIBRATING A MEASURING DEVICE
One aspect of the invention relates to a measuring device (100) for a friction brake device (200) for a vehicle (300a), in particular a utility vehicle (300b), comprising a dust collecting device (110) for collecting dust particles (210) of two friction partners (220, 230, 240) of the friction brake device (200), wherein the friction partners (220, 230, 240) are designed to produce a braking effect by being rubbed together, and comprising a dust measuring assembly (120) for assessing the quantity (215) of dust particles (210) collected in the dust collecting device (110). Another aspect of the invention relates to a method (400) for calibrating the measuring device (100).
A pneumatic brake for a vehicle is provided. The pneumatic brake includes a housing and a single diaphragm within the housing that divides the housing into front and rear variable-volume chambers. A push rod is disposed in the front chamber and extends outwardly from the housing. A parking spring is disposed in the rear chamber and urges the diaphragm and push rod towards the front chamber. A valve body extends through the rear chamber and includes an elongated stem disposed in a telescoping relationship with the push rod. In resting and activation modes, brake pressure is applied by the parking spring to the top plate to activate a brake function. In a deactivation mode, pneumatic pressure is supplied to the front chamber to compress the parking spring and disengage the brake. A brake system including the pneumatic brake and an ABS is also provided.
A trailer brake control module (300a; 300b; 300c) for a towing vehicle (502) facilitating braking of a towed vehicle or trailer (504) includes a pressure supply port (P11), a trailer control pressure port (P22), a primary control port (P42) for receiving either directly and/or indirectly a control brake pressure for operating the trailer brake control module (300a; 300b; 300c). The primary control port (P42) receives the control brake pressure from a pneumatically operated pressure medium, a pneumatic control pressure line (308.1) provides alternative control brake pressure for operating the trailer brake control module (300a; 300b; 300c), wherein the pneumatic control pressure line (308.1) receives the alternative control brake pressure from an electronically operated pressure medium, and a relay valve (310) is activated using either the control brake pressure received at the primary control port (P42), or the alternative control brake pressure from the pneumatic control pressure line (308.1).
B60T 15/20 - Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed-air or vacuum source or atmosphere controlled by two fluid pressures
B60T 13/68 - Electrical control in fluid-pressure brake systems by electrically-controlled valves
A brake pressure modulator (110, 110a, 110b, 110c, 106) includes: a relay valve (202); a first valve sub-unit (204) that receives a primary control pressure from primary source (II) intended for opening the relay valve (202); and a second valve unit (206) that receives a secondary control pressure from a secondary source (‘BST’) and at least part of the primary control pressure. The second valve unit (206) is a pneumatically controlled valve (206D, 206A, 206B, 206C) having a valve casing (304) including a pressurized guiding sleeve (304.4) providing a valve chamber (305) that axially guides a spool (320) adapted for mere pneumatic actuation, and a coil casing (304.5) providing a coil chamber (306) next to the pressurized guiding sleeve (304.4). The valve chamber (305) is free of a spring (321) and the coil chamber (306) is free of a solenoid (311), such that the spool (320) is actuable pneumatically only.
A brake pressure modulator (110; 106) includes a relay valve (202) for controlling a supply of pressurized air from a primary source (II) to at least one brake actuator (112a, 112b), a first valve sub-unit (204) configured to be electronically actuated and configured to receive a primary control pressure from the primary source (II) intended for operating the relay valve (202), and a second valve unit (206) configured to receive a secondary control pressure from a secondary source (‘BST’) and at least part of the primary control pressure from the primary source (II) and to transmit either the primary control pressure or the secondary control pressure to the relay valve (202). When the secondary control pressure is transmitted to the relay valve (202), the primary control pressure from the primary source (II) is disconnected.
The invention relates to a mass-contact module (100) for a control device (1000), comprising: - a press-in contact (110), which extends in a longitudinal direction (L) and has a plug-in portion (111), for forming an electrically conductive press-in connection with a circuit board (300), and an end portion (114), which is further along in the longitudinal direction (L) and designed for making contact with a contact surface (604). The invention proposes a supporting part (120), which is connected to the press-in contact (110) and is designed to form a force-conducting connection between the circuit board (300) and the press-in contact (110) by forming an interlocking and/or material-bonding connection with the potting compound (500). The invention also relates to a control device (ECU) with such a mass-contact module and to an assembly process for the assembly of a corresponding control device.
A trailer fairing bracket for mounting an aerodynamic side fairing to a cargo trailer includes a support strut having a main body. An outwardly extending clamping wedge portion extends generally perpendicular to the main body. The main body is configured to support a trailer side fairing. The main body includes an elongated center portion having first and second ends, a central axis extending between the first and second ends, a lower skirt-mounting portion proximate the first end and extending perpendicular to the central axis, and an upper skirt-mounting portion disposed at the second end extending perpendicular to the central axis. The support strut is of a single molded piece construction. A pair of side clamping members cooperate with the clamping wedge portion of the support strut for securing the support strut to a cargo trailer.
B62D 35/00 - Vehicle bodies characterised by streamlining
97.
METHOD FOR CAPTURING THE SURROUNDINGS USING AT LEAST TWO INDEPENDENT IMAGING SURROUNDINGS CAPTURE SENSORS, APPARATUS FOR PERFORMING THE METHOD, VEHICLE AND APPROPRIATELY DESIGNED COMPUTER PROGRAM
A method for environment perception with at least two independent imaging environment perception sensors, including analyzing images from the environment perception sensors by respective object detection algorithms, performing object detection repeatedly in succession for the respective environment sensors for dynamic object detection, entering the object detections together with position information in one or more object lists, correlating the object detections in the one or more object lists with one another, increasing an accuracy of object localizations by sensor fusion of the correlated object detections, determining a reliability region regarding each object detection by at least one environment perception sensor, and confining the sensor fusion of the object detections to the reliability region, wherein outside the reliability region, object localization takes place on the basis of the object detections by the at least one environment perception sensor to which the determined reliability region does not apply.
G06V 10/80 - Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level
G06V 20/58 - Recognition of moving objects or obstacles, e.g. vehicles or pedestriansRecognition of traffic objects, e.g. traffic signs, traffic lights or roads
98.
Air dryer housing, air dryer assembly, compressed-air supply system, and vehicle
An air dryer housing includes a desiccant container fillable with desiccant and includes a port device for a compressed-air supply with a compressed-air flow. The port device is configured for connecting the air dryer housing to the compressed-air supply. The port device is connectable pressure-tight to the desiccant container. The port device has, at the desiccant side, a valve element which projects into the desiccant container and in which a valve piston is movable. The valve element and the valve piston form a ventilation valve unit that is configured as a pneumatic relay valve. The port device is configured to be connectable to the compressed-air supply system, and the desiccant container can be passed through by a compressed-air flow in a first direction when the valve piston is in a first position and in a second direction when the valve piston is in a second position.
B60G 11/30 - Resilient suspensions characterised by arrangement, location, or kind of springs having fluid springs only, e.g. hydropneumatic springs having pressure fluid accumulator therefor, e.g. accumulator arranged in vehicle frame
The present invention relates to a modular pressure sensor (102), comprising a housing (104), a first side (106) of the housing (104) comprising a pressurized fluid inlet (108), a second side (110) of the housing (104) being opposite to the first side (106), and, the modular pressure sensor (102) comprises a spring-based electronic contact junction (140) on the second side (110), wherein the spring-based electronic contact junction (140) is configured to transfer electronic signals representing pressure of the fluid received at the pressurized fluid inlet (108) to a flex foil or a printed circuit board (PCB). In an aspect, a gearbox actuator (100), comprising the modular pressure sensor (102) in accordance with any one of the embodiments of the present invention, is disclosed, wherein the modular pressure sensor (102) is replaceably mounted onto the gearbox actuator (100).
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
The invention relates to a pressure measurement module (1) for a pneumatic device (2) of a vehicle, comprising a pressure sensor (20), a mechanical interface (4) with which the pressure sensor can be mechanically connected to the pneumatic device, a pneumatic interface (26) via which a pneumatic pressure of the pneumatic device can be detected by the pressure sensor, and an electrical interface (30) with which an electrical pressure measurement signal generated by the pressure sensor can be transmitted. According to the invention: the mechanical interface has a plate-like carrier (5) on which the pressure sensor is arranged; the carrier has at least one first retaining means (6) for connecting the carrier to retaining means of the pneumatic device; the first retaining means has at least two protrusions (7, 9) formed on the carrier and each provided with a respective through-hole (8, 10); the protrusions are arranged spaced apart from one another and from the pressure sensor; the pneumatic interface is arranged on a first carrier side (15), protrudes from the first carrier side and is provided with a sealing means (27); the electrical interface is arranged on a second carrier side (16), opposite the first carrier side; the electrical interface has an electrical spring contact device (31) protruding from the second carrier side and having at least one contact spring (32a-32); and the electrical interface can be electrically connected, directly or via an adapter (35, 40), to an electronic control unit of the pneumatic device.
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
