The disclosure relates to a device, in particular for volume compensation in fluid circuits, at least consisting of a device housing and a compensating element which is movably guided therein, that can be acted on by a fluid pressure and is supported on an energy storage device, wherein the device housing has at least two housing parts, which are arranged one behind the other when viewed along the longitudinal axis of the device housing, wherein the adjacent housing parts differ in their free cross-sectional areas, and wherein the transition from one housing part to the subsequent, adjacent housing part is in the form of a step.
F15B 15/16 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
The disclosure relates to a drive device with an electro-hydraulic drive and a hydraulic auxiliary system which generates an auxiliary torque which, if necessary, counteracts a main torque of the electro-hydraulic drive.
The invention relates to a hydraulic pressure accumulator consisting at least of an accumulator housing (10) and a separating device which separates two fluid chambers (12) from each other in the accumulator housing (10), having two connection points (16) on the accumulator housing (10) for supplying and/or discharging a fluid that can be associated with each fluid chamber (12). The hydraulic pressure accumulator is characterized in that at least one connection point (16) is provided with a protective device (26) which at least partly covers those regions of the connection point (16) that are subject to corrosion and remains on the pressure accumulator over the service life thereof.
The disclosure relates to a method for producing at least one part of a hydraulic accumulator, comprising at least the following: providing an accumulator housing part that has at least one fluid connection point, providing a connection element with a fluid passage that has a material agglomeration on its one free end face, placing the material agglomeration against the accumulator housing part such that the fluid connection in the accumulator housing part comes into fluidic connection with the fluid passage of the connection element, melting the material agglomeration by means of a welding method, joining the connection element and accumulator housing part under a predefinable pressing force and a predefinable path and allowing the resulting weld connection to cool.
1. Hydraulic accumulator 2. The invention relates to a hydraulic accumulator, at least consisting of two accumulator housing parts (24, 26) which are securely connected to one another along a peripheral weld seam (28) introduced from the outside of the accumulator housing (10), and having a covering ring (34) which covers the peripheral weld seam (28) on the inside (36) of the accumulator housing (10) in the manner of a weld pool backing in such a way that an introduction of foreign material, as occurs during the welding process, onto the inside (36) of the accumulator housing (10) is prevented, characterised in that, in order to increase the fatigue strength at the peripheral weld seam (28), individual parameters of the weld pool backing, in the form of the covering ring (34), can be changed, such as - position on the inside (36) of the accumulator housing (10), - constructional design, and/or - material selection relating thereto.
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F15B 1/14 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
B65D 1/00 - Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
The invention relates to a hydraulic accumulator, in particular a diaphragm accumulator, at least consisting of two housing parts (10, 12) which are held against one another by means of a fixing ring connection (14) so as to form an accumulator housing (16), and having a separating element (20) which is arranged at least partially movably within the accumulator housing (16) and which separates two fluid chambers (24, 26) from one another, characterised in that, in the fixed state of a fixing ring (32) of the fixing ring connection (14), said fixing ring is completely covered towards the environment (34) by the housing parts (10, 12).
The invention relates to a hydraulic accumulator, in particular a diaphragm accumulator, at least consisting of two housing parts (10, 12) which have fluid connection points (48, 50) and are held against one another by means of a fixing ring connection (14) in order to form an accumulator housing (16), and having a separating element (20) which is arranged movably within the accumulator housing (16) and separates two media chambers (24, 26) from one another, characterised in that the housing parts (10, 12) are at least partially set into one another along adjacent wall sections (32, 34), of which one wall section (32) of the one housing part (10) protrudes beyond the other housing part (12) in the direction of the environment, thereby forming a circumferential wall (36), and surrounds a wall region (38) of the other housing part (12) such that an engagement space (40) is created which is provided at a point of the transition (42) from the one housing part (10) to the other housing part (12) for receiving a fixing ring (44) of the fixing ring connection (14).
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F15B 1/12 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery
1. Device 2. The invention relates to a device for providing a liquid, which is under a discharge pressure, to a consumer (12) which can be connected to the device via a connection (10), at least consisting of a retractable and extendable bellows (16) which separates two fluid chambers (18, 20) from one another within a device housing (22), of which at least the one fluid chamber (18) is designed as a liquid chamber and, arranged in the interior of the bellows (16), is connected in a liquid-conducting manner to the connection (10) for the consumer (12).
Separator and hydraulic accumulator having such a separator. A separator, in particular for a hydraulic accumulator, such as a bellows accumulator, which is produced by a 3D printing process, consisting of one single diaphragm, which, when viewed in cross section, is deflected in an arcuate shape to form a multitude of bellows pleats at deflection points, which delimit the bellows pleats on the outside and the inside, and in that, to obtain an isotensoid or essentially isotensoid stress profile in the diaphragm, the notional extensions of the diaphragm surfaces adjacent to each deflection point form an acute angle with each other, at least in an initial state, wherein the individual diaphragm surface between deflection points, which are located in opposite radially inner and outer wall areas of the diaphragm, has a course that undulates axially.
characterized in thatcharacterized in that before the friction stir welding operation is carried out by means of a welding tool (40) which is set in rotation and plunges with a specifiable pressing force into the weld seam and joint profile (36), at least one housing part (16) is provided with a diaphragm unit (19) by inserting the latter into said housing part (16), the diaphragm unit (19) having a movable separating diaphragm (20), and in that a support device (34) is additionally inserted between the weld seam and joint profile (36) and the diaphragm unit (19), the support device (34) covering the weld seam and joint profile (36) with a specifiable excess length in such a way that the support device (34) exerts a supporting force that counteracts the pressing force of the welding tool (40).
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by frictionFriction welding
2. The invention relates to a device, at least consisting of a piston (12) and a bellows (14), which are accommodated in a common housing (10) and separate three different fluid chambers (16, 18, 20) from one another, characterised in that the piston (12) and the bellows (14) are accommodated in the housing (10) completely and without protrusion, the ends of the housing being limited by housing covers (22, 24) between which the piston (12) and the bellows (14) move.
2. The invention relates to a system consisting of at least two separating devices (10, 12), of which one separating device (10) has a bellows (14) with individual bellows folds (16) in the form of a bellows accumulator (36), said bellows separating two media chambers (18, 20) from one another, and the other separating device (12) has a piston accumulator (38) the accumulator piston (50) of which has an inner, trough-like recess (52) for receiving a working gas such that a compensator (21) is formed which is connected in a fluid-conducting manner to one of the media chambers (18, 20) of the bellows (14) and separates off a third media chamber (22) for the working gas, wherein by means of the compensator (21) a displacement volume (VS) can be compensated, said displacement volume corresponding to the volume (V) which the bellows (14) displaces in a movement between its predefinable minimum and maximum bellows length, characterised in that one of the two separating devices (10, 12) is loaded from its connection side (76, 48) only up to a predefinable nominal pressure, while the respective other separating device is simultaneously held in a pressureless manner on its connection side (48, 76).
A safety device is disclosed, consisting of a screw body with a screw head, which is connected to the screw body in one piece and forms a rotary-drive part, and with a thread, which is connected to the screw head in one piece and forms a securing part, and also with a rupture device, which is arranged in a channel of the screw body, wherein a sight glass is accommodated entirely within the channel of the screw body, together with the rupture device, and forms an inspecting device for assessing the state of the rupture device.
A safety device for protection of moving work tools, which are subject to mechanical loads during work processes, from overload. The safety device comprises a piston-cylinder unit (10) which cooperates with the work tool in question, and a hydropneumatic pressure accumulator which is fluidically connected to the piston-cylinder unit (10), characterized in that - the piston-cylinder unit (10) has at least two separate liquid chambers (16, 18), - the pressure accumulator has at least two separate further liquid chambers (20, 22) and at least one energy storage chamber, which is separate therefrom, in particular a gas chamber (24), and - each liquid chamber (16, 18) of the piston-cylinder unit (10) is fluidically connected to the respectively assignable further liquid chamber (20, 22) of the pressure accumulator.
A01B 61/04 - Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame
A01D 75/18 - Safety devices for parts of the machines
A01M 7/00 - Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
15.
METHOD FOR PRODUCING AT LEAST ONE PART OF AN ACCUMULATOR HOUSING AND HYDRAULIC ACCUMULATOR
1. Method 2. The invention relates to a method for producing at least one part of an accumulator housing (10) for a hydraulic accumulator, said method having the following method steps: - providing accumulator housing parts (12, 14) which are to be connected to one another along mutually adjacent end sides (16, 18), of which at least one end side (16) has a material accumulation (20); - moving the adjacent accumulator housing parts (12, 14) together in such a way that the material accumulation (20) comes into contact with the adjacent end side (18); and simultaneously or subsequently - melting the material accumulation (20) by means of a welding process, and further moving the two accumulator housing parts (12, 14) together during the welding process with a predefinable pressing force; and simultaneously - forming a weld seam running along a connecting point (42) between the accumulator housing parts.
F15B 1/14 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
Disclosed is a bellows accumulator in which a folding bellows, which serves as a movable separating element between a first media side and a second media side, has at its bellows end, a closure body which media-tightly closes of the interior of the folding bellows and, at its other bellows end, is immovably fixed relative to a storage housing. The accumulator has a valve device which, when the pressure on a liquid side drops, moves to a closed position, thereby preventing liquid from continuing to flow out of the storage housing. The closing process for the valve device is controlled using an energy store, which is arranged between the valve device and the closure body of the folding bellows in such a way that a specifiable quantity of liquid remains in the storage housing in any case, the quantity of liquid supporting the folding bellows in an expanded position.
The invention relates to a hydraulic accumulator, in particular in the form of a piston accumulator, comprising a separation element (10), which is arranged in an accumulator housing (14) and separates two fluid chambers (16, 18) in a fluid-tight manner, in particular a closed-off storage chamber (20) containing a working gas, from a liquid chamber (22) containing an operating liquid, such as hydraulic oil, a fluid connection (24) being connected in a fluid-conducting manner to one of the fluid chambers (18), characterised in that a magnetic-field-generating device (42) is received in a part of the accumulator housing (14) which comprises the fluid connection (24), in such a way that magnetisable particles can be separated, in a cleaning manner, from the fluid located between the part of the storage housing (14) and the separation element (10) and deposited in the direction of the magnetic-field-generating device (42), on the latter.
The disclosure relates to a piston accumulator having an accumulator housing in which a separating piston is longitudinally movably guided which separates two fluid chambers, in particular separates a fluid chamber having a working gas from a further fluid chamber having an operating fluid, such as hydraulic oil, and which separating piston has a damping device, wherein, in addition to the damping device, an inflow device is provided which interacts with the damping device for damping a fluid flow out of the accumulator housing by forming a throttle along a fluid path and which releases a further fluid path by bypassing the other fluid path that has the throttle in order for fluid to flow into the accumulator housing.
Disclosed is an expansion device having an expansion housing, which has a separating membrane, which separates the expansion housing into two media chambers, of which one media chamber can be filed with liquid via a liquid connection in the expansion housing, characterised in that the other media chamber is permanently connected to the environment via at least one opening in the expansion housing, even during operation of the device, in such a way that ambient pressure prevails in the other media chamber.
The disclosure relates to a piston accumulator comprising an accumulator housing and a separator piston which is longitudinally moveably arranged therein and separates two media chambers from one another within the accumulator housing, wherein the accumulator housing is elastically formed in a sandwich-type structure from individual, partially differing layers in such a way that, with the influence of at least one external force, it allows for a curvature as a whole, starting from a starting state, and it returns to the starting state with the removal of the respective force.
The disclosure relates to a piston accumulator comprising an accumulator housing and a separator piston which is longitudinally moveably guided therein and separates two media chambers from one another inside the accumulator housing, in particular separating a media chamber with a working gas from another media chamber with a fluid, such as hydraulic oil, wherein the separator piston has two piston parts which are formed as discs with the same outer diameter and which are securely connected to one another and held at a distance from one another via an elastically flexible piston rod, which, with the influence of at least one external force, allows for a curvature as a whole, starting from a starting state, and returns to the starting state with the removal of the respective force.
Pressure accumulator with an accumulator housing (10), in which a movable separating element (16) separates a medium space (12), preferably filled with a working gas, from a fluid space (14) in a fluid-tight manner, wherein a monitoring device (28) is provided and gives a visually perceptible indication when there is a fault that impairs the sealing effect of the separating element (16), the monitoring device having a viewing window through which it is possible to observe an indicator which is in connection with the medium space (12) and the optical property of which perceptibly changes when it is wetted with the fluid, characterized in that the monitoring device (28) has a screw plug, which can be screwed with its external thread into an assigned internal thread of the accumulator housing (10) and which has the viewing window and the indicator and also a fluid-permeable shutting-off device, which forms in the screw plug a receiving space partly delimited by the viewing window and intended for receiving the indicator, the shutting-off device spatially separating the receiving space from the interior of the medium space (12) of the accumulator housing (10).
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
The disclosure relates to a hydraulic accumulator comprising an accumulator housing and a separating element which is arranged therein in a longitudinally movable manner and which separates two media chambers within the accumulator housing, in particular a chamber with a working gas, such as nitrogen gas, from another chamber with a liquid, such as hydraulic oil, and a bursting device for reducing an inadmissibly high pressure in the accumulator housing, wherein the bursting device is arranged in the separating element, and when the bursting device bursts, a media-conducting connection between the two media chambers is released via the separating element.
The disclosure relates to a hydraulic accumulator, in particular in the form of a piston-type accumulator, having a separating element which is arranged in an accumulator housing and separates two fluid chambers from one another in a fluid-tight manner, in particular a closed accumulator chamber comprising a working gas from a liquid chamber comprising an operating liquid such as hydraulic oil, wherein a fluid connector is fluidically connected to one of the fluid chambers, wherein outside the accumulator housing and fixed thereto is an attachment part with a magnetic field generating device which acts on a fluid connection between the fluid connector of the accumulator housing and a fluid connector of the attachment part in such a way that magnetisable particles can be separated in a cleaning manner from the fluid passing through the fluid connection.
The invention relates to a system consisting of at least two separating devices (10, 12), of which one separating device (10) has a bellows (14) with individual bellows folds (16), said bellows separating two media chambers (18, 20) from one another, and the other separating device (12) forms a compensator (21) which is connected in a fluid-conducting manner to one of the two media chambers (18, 20) of the bellows (14) and separates off a third media chamber (22), wherein by means of the compensator (21) a displacement volume (VS) can be compensated, said displacement volume corresponding to the volume (V) which the bellows (14) displaces in a movement between its predefinable minimum and maximum bellows length, characterised in that one of the two separating devices (10, 12) is loaded from its connection side (76) only up to a predefinable nominal pressure, while the respective other separating device is simultaneously held in a pressureless manner on its connection side (76, 48), or that the compensator (21) is subjected to a pressure of an energy store, such as a working gas, received in the third media chamber (22).
F15B 3/00 - Intensifiers or fluid-pressure converters, e.g. pressure exchangersConveying pressure from one fluid system to another, without contact between the fluids
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F15B 1/24 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with rigid separating means, e.g. pistons
The disclosure relates to a hydraulic accumulator, in particular in the form of a piston-type accumulator, having a separating element which is arranged in an accumulator housing and fluid-tightly separates two fluid chambers, in particular a closed accumulator chamber comprising a working gas and a liquid chamber comprising an operating liquid such as hydraulic oil, from one another, wherein a fluid port is fluidically connected to one of the fluid chambers. The hydraulic accumulator is characterised in that the fluid port has a magnetic-field-generating device which is received in a fixed position in the fluid port and separates magnetizable particles out of the fluid passing through the fluid port, to purify said fluid.
The invention relates to an apparatus for separating gases from fluids, such as air from hydraulic oil, comprising a container (10) having at least two connection points (12, 14) for selectively supplying or discharging fluid with a guide device (16) which enlarges the fluid path for a fluid flow between the connection points (12, 14) and changes the direction of the fluid flow.
The invention relates to an apparatus, consisting of at least one separation device (12) received in an apparatus housing (10) having a bellows body (14) with individual bellows folds (16), which separates two media chambers (18, 20) from one another within the device housing (10) in a fluid-tight manner, characterized in that that a monitoring device (22) is provided for determining the respective position of the bellows body (14) in the device housing (10), having a displacement transducer (24) which is based on the physical principle of magnetostriction.
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
G01D 5/48 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using wave or particle radiation means
An apparatus for supplying drill pipe to and removing them from a drilling device, comprising an energy recovery system (40) which has a support cylinder (34) fluidically connected to a storage vessel (38, 61), wherein the support cylinder (34) and the storage vessel (38, 61) form a self-contained system.
The disclosure relates to a piston accumulator, having an accumulator housing, in which a separating piston is longitudinally movably guided, that separates two fluid chambers from one another and which separating piston has a damping piston with a check valve, which damping piston can be introduced into a fluid connection in the accumulator housing to form a throttle gap. The throttle gap is a cylindrical annular chamber, formed from the adjacent wall parts of the accumulator housing and the damping piston. The check valve has a valve ball which is acted upon by an energy accumulator and which, in a closed position, blocks a fluid path between the fluid connection and a piston fluid chamber between the separating piston and the accumulator housing and, in its open position, opens said fluid path.
The invention relates to a device, in particular for volume compensation in fluid circuits, at least consisting of a device housing (10) and a compensating element (12) which is movably guided therein, that can be acted on by a fluid pressure (p) and is supported on an energy storage device (14), characterised in that the device housing (10) has at least two housing parts (16, 18), which are arranged one behind the other when viewed along the longitudinal axis (20) of the device housing (10), in that the adjacent housing parts (16, 18) differ in their free cross-sectional areas, and in that the transition from one housing part (16) to the subsequent, adjacent housing part (18) is in the form of a step (22).
An accumulator device, in particular bootstrap, at least consisting of an accumulator housing (10) and a separating device (12) which is movably arranged in said accumulator housing and which separates two low-pressure chambers (14, 16) from one another within the accumulator housing (10), and having a control housing (18) in which at least part of a control piston (20) is movably guided, which control piston interacts with the separating device (12) and separates a high-pressure chamber (22) from at least one (14) of the two low-pressure chambers (14, 16) in the accumulator housing (10), characterized in that the separating device (10) together with a flexible jacket (26) at least partially encloses the other (16) of the two low-pressure chambers (14, 16) in the accumulator housing (10).
Conveying device, in particular in the form of a compressor, consisting of at least one housing (10) and a partition element which is arranged movably in the housing (10) and separates two fluid regions (14, 16) in the housing (10) from each other, wherein the partition element is formed of a partition bellows (18) with individual bellows folds (20), wherein a mechanical actuation device for controlling a movement of the partition bellows (18) is provided, and wherein the heat generated by means of the actuation device via the movement of the partition bellows (18) can be at least partially removed from the housing (10) by means of a cooling device.
F04B 45/033 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows having fluid drive
The disclosure relates to an hydraulic accumulator, in particular a diaphragm accumulator, having an accumulator housing and a separating element disposed therein, which separates two media spaces from each other, wherein a weld seam is formed by a laser or electron beam welding process without any filler materials, in that at least a part of the wall parts delimiting the transition point are melted to form the weld seam, which closes off the transition point towards the surroundings, in a manner that is free of protrusions with respect to an outer circumferential surface of a connection element.
F15B 1/12 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery
F15B 1/14 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
The invention relates to a hydraulic accumulator having an accumulator housing (10) which is closed at least on a free end side by a cover part which is able to be fixed in the accumulator housing (10) via a threaded section, characterized in that, as part of the threaded section on the accumulator housing (10), an internal thread in the form of a round thread (26) is present, the individual thread flanks (28) of which enclose, in a notional extension, a flank angle (a) of 60° with one another, and in that the radius (R1) of the rounded portion is larger in the head-side region (30) than the radius (R1) in the root-side region (32) of the round thread (26).
Separator and hydraulic accumulator having such a separator. A separator, in particular for a hydraulic accumulator, such as a bellows accumulator, which is produced by a 3D printing process, consisting of one single diaphragm, which, when viewed in cross section, is deflected in an arcuate shape to form a multitude of bellows pleats at deflection points, which delimit the bellows pleats on the outside and the inside, and in that, to obtain an isotensoid or essentially isotensoid stress profile in the diaphragm, the notional extensions of the diaphragm surfaces adjacent to each deflection point form an acute angle with each other, at least in an initial state.
Disclosed is a conveying device for fluids with an inlet and an outlet and a conveying part which is connected therebetween and can be actuated by a drive part, wherein the conveying part has a fluid-tight media-separating device with a variable chamber volume, which becomes connected in a fluid-conducting manner via its receiving chamber to the inlet or the outlet, and which, by means of the drive part, receives fluid via the inlet as part of an intake stroke, increasing the chamber volume, and discharges the received fluid via the outlet as part of a discharge stroke, reducing the size of said chamber volume.
F04B 45/033 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows having fluid drive
F04B 45/02 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows
1. Method 2. The invention relates to a method for producing at least one part of a hydraulic accumulator, said method having at least the following method steps: - providing an accumulator housing part (20) that has at least one fluid connection point (28), - providing a connection element (30) with a fluid passage (60) that has a material agglomeration (64) on its one free end face, - placing the material agglomeration (64) against the accumulator housing part (20) such that the fluid connection (28) in the accumulator housing part (20) comes into fluidic connection with the fluid passage (60) of the connection element (30), - melting the material agglomeration (64) by means of a welding method, - joining the connection element (30) and accumulator housing part (20) under a predefinable pressing force and a predefinable path and - allowing the resulting weld connection to cool.
F15B 1/14 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
The invention relates to a drive device with an electro-hydraulic drive (10) and a hydraulic auxiliary system (12) which generates an auxiliary torque which, if necessary, counteracts a main torque of the electro-hydraulic drive (10).
2. A hydraulic accumulator, in particular a piston accumulator, comprising a separation element (16) which is movably arranged in an accumulator housing (10) and which separates two media chambers (24, 26) from each other, and comprising a distance measuring device for monitoring the position of the separation element (16), is characterized in that the distance measuring device is in the form of a radar device (32) that includes a transmitter (42) emitting a primary signal which upon at least partial reflection off the separation element (16), generates a secondary signal which, upon reception by a receiver (46), allows a position of the separation element (16) in the accumulator housing (10) to be determined.
F15B 1/24 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with rigid separating means, e.g. pistons
F15B 1/12 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery
F15B 1/16 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means in the form of a tube
The disclosure relates to a hydraulic accumulator, in particular a diaphragm accumulator, comprising an accumulator housing and a separating element which is arranged therein and separates two media chambers from each other. The accumulator housing has at least one fluid connection point which opens into an adjacent media chamber and has a connection body with a fluid passage point that is connected to the accumulator housing via a welding seam. The connection body has an annular outer circumferential surface on the connection region facing the accumulator housing, and when the end face of the connection body is placed on the accumulator housing, the connection body forms a transition point, along which the welding seam runs.
F15B 1/12 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery
F15B 1/14 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
Disclosed is a piston accumulator having an accumulator housing (10) and a separator piston (12), which can be moved longitudinally in the accumulator housing (10) and separates two media spaces (14, 16) from each other, which is characterized in that an end-position cushioning (28) is provided between the separator piston (12) and the accumulator housing (10), which end-position cushioning (28) has at least one gap (66, 72) that narrows as the motion of the separator piston (12) increases in the direction of its end position and in that way builds up a flow resistance, which inhibits the motion of the separator piston (12), and which is introduced as a recess (64, 78) into at least one of the adjacent end faces (30, 56) of the separator piston (12) and the accumulator housing (10).
Safety device consisting of a screw body (10) with a screw head (36), which is connected to the screw body in one piece and forms a rotary-drive part, and with a thread (30), which is connected to the screw head in one piece and forms a securing part, and also with a rupture device (12), which is arranged in a channel (16) of the screw body (10), wherein a sight glass (20) is accommodated entirely within the channel (16) of the screw body (10), together with the rupture device (12), and forms an inspecting device (14) for assessing the state of the rupture device (12).
F16K 17/16 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side with fracturing member with fracturing diaphragm
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
G01L 19/08 - Means for indicating or recording, e.g. for remote indication
1. Separator element
1. Separator element
2. A separator element consisting of at least two types of layers of plastic material,
one type of which layers is media resistant to mineral oils; and
the other type of which layers has low permeability to gases or is gas-tight,
wherein the two types of layers are firmly bonded to each other when in direct contact and form the elastically flexible separator element (12).
F15B 1/14 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
B32B 25/04 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance
The invention relates to a damping device, in particular for damping or preventing pressure surges, such as pulsations, in fluid supply circuits, preferably in the form of a silencer, having a damping housing (10) and a damping tube (28) running in the damping housing (10), which has an inlet (20) and an outlet (22) for the fluid flow to be damped, and having at least one branch opening (30), which produces fluid-conducting connection between the interior of the damping tube (28) and a damping volume (38) enclosed between the damping tube (28) and the damping housing (10), characterised in that each branch opening (30) has a tubular connection part (32) of predeterminable length and diameter, which opens into the damping volume (38).
Disclosed is an expansion device having an expansion housing (10), which has a separating membrane (12), which separates the expansion housing (10) into two media chambers (14, 18), of which one media chamber (14) can be filled with liquid via a liquid connection (16) in the expansion housing (10), characterised in that the other media chamber (18) is permanently connected to the environment (21) via at least one opening (20) in the expansion housing (10), even during operation of the device, in such a way that ambient pressure prevails in the other media chamber (18).
The invention relates to a piston accumulator comprising an accumulator housing (10) and a separator piston (12) which is longitudinally moveably arranged therein and separates two media chambers (14, 16) from one another within the accumulator housing (10), wherein the accumulator housing (10) is elastically formed in a sandwich-type structure from individual, partially differing layers (18, 20, 22, 24) in such a way that, with the influence of at least one external force, it allows for a curvature as a whole, starting from a starting state, and it returns to the starting state with the removal of the respective force.
The invention relates to a piston accumulator comprising an accumulator housing (10) and a separator piston (12) which is longitudinally moveably guided therein and separates two media chambers (14, 16) from one another inside the accumulator housing (10), in particular separating a media chamber (14) with a working gas from another media chamber (16) with a fluid, such as hydraulic oil, wherein the separator piston (12) has two piston parts (13, 15) which are formed as discs with the same outer diameter and which are securely connected to one another and held at a distance from one another via an elastically flexible piston rod (17), which, with the influence of at least one external force, allows for a curvature as a whole, starting from a starting state, and returns to the starting state with the removal of the respective force.
The invention relates to a hydraulic accumulator, in particular in the form of a piston-type accumulator, having a separating element (10) which is arranged in an accumulator housing (14) and separates two fluid chambers (16, 18) from one another in a fluid-tight manner, in particular a closed accumulator chamber (20) comprising a working gas from a liquid chamber (22) comprising an operating liquid such as hydraulic oil, wherein a fluid connector (24) is fluidically connected to one of the fluid chambers (18), characterised in that outside the accumulator housing (14) and fixed thereto there is an attachment part (26) with a magnetic field generating device (44) which acts on a fluid connection (46) between the fluid connector (24) of the accumulator housing (14) and a fluid connector (25) of the attachment part (26) in such a way that magnetisable particles can be separated in a cleaning manner from the fluid passing through the fluid connection (46).
The invention relates to a hydraulic accumulator, in particular in the form of a piston accumulator, comprising a separation element (10), which is arranged in an accumulator housing (14) and separates two fluid chambers (16, 18) in a fluid-tight manner, in particular a closed-off storage chamber (20) containing a working gas, from a liquid chamber (22) containing an operating liquid, such as hydraulic oil, a fluid connection (24) being connected in a fluid-conducting manner to one of the fluid chambers (18), characterised in that a magnetic-field-generating device (42) is received in a part of the accumulator housing (14) which comprises the fluid connection (24), in such a way that magnetisable particles can be separated, in a cleaning manner, from the fluid located between the part of the storage housing (14) and the separation element (10) and deposited in the direction of the magnetic-field-generating device (42), on the latter.
The invention relates to a piston accumulator having an accumulator housing (10) in which a separating piston (12) is longitudinally movably guided which separates two fluid chambers (14, 16), in particular separates a fluid chamber (14) having a working gas from a further fluid chamber (16) having an operating fluid, such as hydraulic oil, and which separating piston has a damping device (18), characterised in that, in addition to the damping device (18), an inflow device (20) is provided which interacts with the damping device (18) for damping a fluid flow out of the accumulator housing (10) by forming a throttle along a fluid path (22) and which releases a further fluid path (24) by bypassing the other fluid path (22) that has the throttle in order for fluid to flow into the accumulator housing (10).
The invention relates to a hydraulic accumulator, in particular in the form of a piston-type accumulator, having a separating element (10) which is arranged in an accumulator housing (14) and fluid-tightly separates two fluid chambers (16, 18), in particular a closed accumulator chamber (20) comprising a working gas and a liquid chamber (22) comprising an operating liquid such as hydraulic oil, from one another, wherein a fluid port (24) is fluidically connected to one of the fluid chambers (18). The hydraulic accumulator is characterised in that the fluid port (24) has a magnetic-field-generating device (42) which is received in a fixed position in the fluid port (24) and separates magnetizable particles out of the fluid passing through the fluid port (24), so as to purify said fluid.
The invention relates to a piston accumulator, having an accumulator housing (10), in which a separating piston (12) is longitudinally movably guided, which separating piston separates two fluid chambers (14, 16) from one another, in particular separates a fluid chamber (14) having a working gas from another fluid chamber (16) having a liquid, such as hydraulic oil, and which separating piston has a damping piston (18) with a check valve (20), which damping piston can be introduced into a fluid connection (24) in the accumulator housing (10) to form a throttle gap (22). According to the invention, the throttle gap (22) is a cylindrical annular chamber, formed from the adjacent wall parts (28, 32) of the accumulator housing (10) and the damping piston (18), and the check valve (20) has a valve ball (36) which is acted upon by an energy accumulator and which, in its closed position, blocks a fluid path between the fluid connection (24) and a piston fluid chamber (38) between the separating piston (12) and the accumulator housing (10) and, in its open position, opens said fluid path.
The invention relates to a hydraulic accumulator comprising an accumulator housing (18) and a separating element (10) which is arranged therein in a longitudinally movable manner and which separates two media chambers (12, 14) within the accumulator housing (18), in particular a chamber with a working gas, such as nitrogen gas, from another chamber with a liquid, such as hydraulic oil, and a bursting device (66) for reducing an inadmissibly high pressure in the accumulator housing (18), wherein the bursting device (66) is arranged in the separating element (10), and when the bursting device bursts, a media-conducting connection (84) between the two media chambers (12, 14) is released via the separating element (10).
F15B 1/08 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F15B 1/24 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with rigid separating means, e.g. pistons
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
Bellows accumulator in which a folding bellows (16), which serves as a movable separating element (10) between a first media side (12), in particular a gas side, and a second media side (14), in particular a liquid side, has, at its bellows end (20) that can move in an axial direction in a storage housing (18) during expansion and contraction, a closure body (24) which media-tightly closes off the interior (22) of the folding bellows (16) and, at its other bellows end (26), is immovably fixed relative to the storage housing (18), and having a valve device (44) which, when the pressure on the liquid side (46) drops, moves to a closed position, thereby preventing liquid from continuing to flow out of the storage housing (18), characterized in that the closing process for the valve device (44) is controlled by means of at least one energy store (48), which is arranged between the valve device (44) and the closure body (24) of the folding bellows (16), in such a way that a specifiable quantity of liquid remains in the storage housing (18) in any case, said quantity of liquid supporting the folding bellows (16) in its expanded position.
A piston accumulator has an accumulator housing and a separating piston (8) guided for longitudinal motion in the accumulator housing. The separating piston separates a liquid side (4) from a gas side (10) in the accumulator housing. Liquid unintentionally transitions from the liquid side (4) to the gas side (10) despite a piston seal on the separating piston (8). By a return device (28), the transitioned liquid is at least partially returned from the gas side (10) of the accumulator housing to the liquid side (4) of the accumulator housing.
F15B 1/24 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with rigid separating means, e.g. pistons
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
F16J 1/09 - PistonsTrunk pistonsPlungers with means for guiding fluids
Pressure accumulator with an accumulator housing (10), in which a movable separating element (16) separates a medium space (12), preferably filled with a working gas, from a fluid space (14) in a fluid-tight manner, wherein a monitoring device (28) is provided and gives a visually perceptible indication when there is a fault that impairs the sealing effect of the separating element (16), the monitoring device having a viewing window through which it is possible to observe an indicator which is in connection with the medium space (12) and the optical property of which perceptibly changes when it is wetted with the fluid, characterized in that the monitoring device (28) has a screw plug, which can be screwed with its external thread into an assigned internal thread of the accumulator housing (10) and which has the viewing window and the indicator and also a fluid-permeable shutting-off device, which forms in the screw plug a receiving space partly delimited by the viewing window and intended for receiving the indicator, the shutting-off device spatially separating the receiving space from the interior of the medium space (12) of the accumulator housing (10).
F15B 1/08 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
Conveying device, in particular in the form of a compressor, consisting of at least one housing (10) and a partition element which is arranged movably in the housing (10) and separates two fluid regions (14, 16) in the housing (10) from each other, wherein the partition element is formed of a partition bellows (18) with individual bellows folds (20), wherein a mechanical actuation device for controlling a movement of the partition bellows (18) is provided, and wherein the heat generated by means of the actuation device via the movement of the partition bellows (18) can be at least partially removed from the housing (10) by means of a cooling device.
F04B 45/02 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows
F04B 45/033 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows having fluid drive
F04B 43/08 - Machines, pumps, or pumping installations having flexible working members having tubular flexible members
2. A separating element, in particular for a hydraulic accumulator, such as a bellows accumulator produced by a 3D printing method, consists of a single membrane which is deflected arcuately, as viewed in cross section, while forming a plurality of bellows folds (28) at deflection points (30) which outwardly and inwardly delimit the bellows folds (20) and, in order to obtain an isotensoid or substantially isotensoid distribution of stress in the membrane, the imaginary extensions (32) of the membrane surfaces (34) adjacently adjoining each deflection point (30) enclose an acute angle (α) with one another, at least in an initial state.
A piston accumulator having an accumulator housing (4) and a separating piston (10), which is guided longitudinally displaceable therein, which separates two media chambers (12, 14) from each other and which has a dual sealing system (16), wherein one of the sealing systems (18) faces one media chamber (12) and the other sealing system (20) faces the other media chamber (14), wherein at the location (58) a compensation device is at least partially accommodated in the separating piston (10) between the two sealing systems (18, 20), which compensation device enables hydrostatic pressure compensation between the two sealing systems (18, 20) to prevent an undesirable pressure buildup during operation.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Ironmongery and small items of metal hardware, including
screws; fittings of metal for fastening storage units,
filters, valves and control blocks, and gas, liquid and
electric conduits; fittings for gas and liquid apparatus and
for gas or liquid conduits of metal; metal fasteners; clips
of metal; hose couplings and connections, flexible tubes of
metal; metallic connector supports, screw couplings,
metallic adapters and sealing caps; storage tanks of metal,
including metallic hydraulic tanks. Hydropneumatic storage units being machine parts; piston
accumulators, bubble memory devices, diaphragm accumulators,
bellows accumulators, spring accumulators, in each case
being parts of machines and accumulator installations
consisting of such accumulators, being parts of machines,
including in the field of offshore and deep sea
applications; hydraulic, hydropneumatic and reflective
sound, vibration and pressure dampers, resonators,
silencers, in each case being parts of machines; filtration
devices and filters, being parts of machines, for filtration
and separation technologies, usable for all technical,
chemical, biological, and process engineering applications;
replacement parts for the aforesaid goods; coalescers,
high-pressure, medium-pressure and low-pressure filters,
liquid filters, pipe filters and process line filters, gas
filters, including for seal gas systems, cyclone filters and
separating filters, filling filters and ventilation filters,
full-flow filters and partial-flow filters, multistage
filters, return flow filters, including suction filters and
return flow suction filters, tank-integrated filters,
including ventilating and drying devices, drum filters and
strip winding filters, perforated plate filters and screen
filters, offline filters and inline filters and spin-on
filters, plastic melt filters, membrane filters, filter
units together with draining apparatus, all being parts of
machines; filter elements, perforated plate and screen
filter elements, gap-type filter elements, rheological
filter elements, flow filter elements, filter candles,
filter cartridges, filter housings, filter discs and disc
filter elements, filter mats, filter pots, filter cloths,
filter bags, filter strips, filter packets and deep filter
elements, including filter fabric materials, in each case
being parts of machines; cooling and heating devices,
namely, heat exchangers (parts of machines) for stationary
and mobile applications for exchanging heat between liquid
and/or gaseous media; shut-off equipment, shut-off
apparatus, stop valves, switch-over devices and valves being
parts for machines, in particular for hydraulic, pneumatic
and electrohydraulic fuels and media, namely inflow pressure
and circulating pressure balances, flow control valves,
priority valves, shuttle valves, seat valves and slide
valves, throttle valves, diaphragms, directional control
valves, non-return valves, pressure valves, pressure control
valves and pressure limiting valves, with and without
indicators and monitoring equipment, vent valves; control
apparatus being parts of machines for hydraulic, pneumatic
and electrohydraulic installations, in particular flow
dividers and control blocks, including valve control blocks,
including for volume flow control; hydraulic or pneumatic
operating cylinders, being parts of machines; hydraulic and
pneumatic motors and engines, gears, clutches, pumps and
compressors, including being machine parts; electric,
hydraulic, pneumatic or electrohydraulic drive units, motors
and engines as being parts of machines, in particular for
process engineering and for general machine construction, in
particular for construction machines, for machine tools, for
machines for manufacturing plastics, for drives for tools,
for presses, for transport installations, for shipping and
aeronautics, for chemical and reactor technology, for mining
and iron and steel works, and for rolling mills; hydraulic
and electrohydraulic motors and engines; control apparatus,
in particular electric, electro-mechanical and
electro-hydraulic control apparatus for machines and motors;
lubricators [parts of machines], lubricating installations
[parts of machines], pressure regulators for lubricating
installations, namely supply apparatus, in particular
distributors for stationary and mobile application;
mechanically operated clamping devices [parts of machines],
clamping machines and clamping tools [other than hand
operated]; motor-driven hydraulic and electrohydraulic
pressure and feed pumps, being parts of machines, adjustable
and non-adjustable; hydraulic drive units for elevator
controllers, transport controllers and lift controllers, in
particular consisting of a hydraulic pump and a drive motor;
machines for industrial washing and cleaning; electromotors;
electric, hydraulic and electro-hydraulic actuators for
motors, in particular for variable speed motors; housings
and parts therefor, in particular in the form of storage
housings, filter housings and valve blocks, as parts of
storages, filters or valve blocks; actuators, piezoelectric
actuators, electrostatic actuators and magnetic actuators,
line and process line filters. Scientific, nautical, surveying, photographic,
cinematographic, optical, weighing, measuring, signalling,
checking (supervision), life-saving and teaching apparatus
and instruments; electronic, microelectronic and
electrotechnical components, included in this class, in
particular for use in the automobile industry, including
mobile hydraulics, the semiconductor industry, the food
industry, aeronautics, medicine, pharmacy, oil and gas
transport technology, environmental engineering, laboratory
and testing technology, household and sanitary systems, as
well as in mining and in the field of steelworks, power
plants, wind power installations, machine tools, transfer
presses and plastic injection moulding machines; control
equipment and apparatus for elevator controllers; electrical
resonators; indicator, monitor and control apparatus for
level, pressure, temperature and quantity for gaseous and
liquid media, manometer monitoring switches; switching
apparatus, monitoring apparatus and diagnostic apparatus for
technical applications; apparatus and instruments for
conducting, switching, transforming, accumulating,
regulating or controlling electricity; control modules for
hydraulic drives; electrohydraulic cooling regulators;
electrical measuring apparatus, namely transducers, sensors,
in particular pressure sensors, flow sensors, temperature
sensors, level sensors, sensors for logging state variables
of liquids and gases, fluid flow sensors, viscosity sensors,
gas sensors, conductivity sensors, sensors for determining
relative permittivity, humidity sensors, optical sensors,
magnetic sensors, capacitive sensors, chemical sensors,
thermoelectric sensors, distance sensors, tilt sensors,
particle counters; active and passive electric and
electronic components manufactured using thick-film and
thin-film technology, namely thick-film strain gages and
thin-film strain gages; microwave antennas; magnets,
including in combination with valve switching components,
except ignition magnets for motors and engines; optical
instruments and apparatus, in particular cameras,
microscopes, optical recording apparatus for analysis and
metrology; optical particle counting apparatus; logical
elements, electrotechnical and electronic components being
logical elements and assemblies consisting thereof, namely
printed circuits, semi-conductor component parts, integrated
circuits, memory components, resistors, microprocessors;
circuit boards with electrotechnical and electronic units
and component parts of computers and data processing
installations, in particular semi-conductor building
elements, and electric and electronic installations for
monitoring, testing and controlling industrial working
processes and of apparatus and instruments in land, air and
water vehicles; electronic, electrotechnical and mechanical
apparatus, equipment and instruments, namely for computers
and systems composed of the aforesaid goods, including
peripheral devices connected thereto for recording, viewing,
output and transmission of data and for manufacturing and
process engineering, in particular computer peripherals,
computer hardware, computer screens, display monitors,
printers, joysticks, input devices for computers, computer
modules, touch screens, computer memory devices, computer
controllers, computer networking and data communications
equipment; computers, in particular computers for research,
scientific and industrial purposes for technical and natural
science applications; data processing programs for these
computers recorded on machine-readable data carriers, in
particular magnetic disks and tapes and diskettes; software;
dosimeters; automatic and electro-hydraulic control
apparatus, in particular roll stabilisation devices; control
apparatus, being parts for vehicles, in particular for
hydraulic and pneumatic installations, in particular
transition coils and control blocks, including valve control
blocks. Filter devices and filters for heating, steam-generating,
refrigerating, drying, ventilating, water supply, water
treatment, air-conditioning, and sanitary installations and
apparatus; replacement parts for any of the aforesaid goods;
coalescers [separator], high-pressure, medium-pressure and
low-pressure filters, liquid filters, gas filters, including
for seal gas systems, cyclone filters and separating
filters, filling filters and ventilation filters, full flow
filters and bypass filters, multistage filters, return flow
filters, including suction filters and return flow suction
filters, tank-integrated filters, including ventilating and
drying devices, drum filters and strip winding filters,
perforated plate filters and screen filters, offline filters
and inline filters and spin-on filters, plastic melt
filters, membrane filters, filter units together with
draining apparatus, all the aforesaid goods being parts of
industrial installations; filter elements, perforated plate
and screen filter elements, gap-type tube filter elements,
rheological filter elements, flow filter elements, filter
candles, filter cartridges, filter housings, filter discs
and disc filter elements, filter mats, filter pots, filter
cloths, filter bags, filter strips, filter packets and deep
filter elements, including filter fabric materials, all the
aforesaid goods being parts or accessories of filters for
heating, steam generating, cooling, drying, ventilating,
water supply, water treatment, air-conditioning and sanitary
installations and apparatus; gas technology installations
and components, included in this class, in particular for
use in the automobile industry, including mobile hydraulics,
the semiconductor industry, the food industry, aeronautics,
medicine, pharmacy, oil and gas transport technology,
environmental engineering, laboratory and testing
technology, household and sanitary systems, as well as in
mining and in the field of steelworks, power plants, wind
power installations, machine tools, transfer presses and
plastic injection moulding machines; heat exchangers for
stationary and mobile applications for exchanging heat
between liquid and/or gaseous media; cooling and heating
installations. Apparatus for locomotion by land, air or water; motors,
including variable speed motors and transmissions and torque
converters for land vehicles; machine coupling and
transmission components for land vehicles and vehicle
airbags; shut-off valves, ball valves, switch-over devices
and valves being parts for vehicles, in particular for
hydraulic and pneumatic fuels and media including motors and
gearboxes, namely inflow pressure and circulating pressure
balances, flow control valves, priority valves, shuttle
valves, seat valves and slide valves, throttle valves,
diaphragms, directional control valves, non-return valves,
pressure valves, pressure control valves and pressure
limiting valves, with and without indicators and monitoring
equipment, vent valves; all of the aforesaid goods for
agricultural machines and mobile transmissions of all kinds;
electric, hydraulic, pneumatic or electro-hydraulic drives
and motors for land, air and water vehicles.
A conveying device for fluids with an inlet (12) and an outlet (14) and a conveying part (10) which is connected in between and is actuable by a drive part, characterized in that the conveying part (10) has a fluid-tight media-separating device (16) with a variable chamber volume, which becomes fluidically connected via its receiving space (21) to the inlet (12) or the outlet (14), and which, by means of the drive part, receives fluid via the inlet (12) as part of an intake stroke, increasing the chamber volume, and discharges the received fluid via the outlet (14) as part of a discharging stroke, reducing the size of said chamber volume.
F04B 43/113 - Pumps having fluid drive the actuating fluid being controlled by at least one valve
F04B 11/00 - Equalisation of pulses, e.g. by use of air vesselsCounteracting cavitation
F04B 45/033 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows having fluid drive
F04B 25/00 - Multi-stage pumps specially adapted for elastic fluids
F04B 9/105 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting liquid motor
F04B 9/117 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other
F04B 45/02 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows
2. A hydraulic accumulator, in particular a piston accumulator, comprising a separation element (16) which is movably arranged in an accumulator housing (10) and which separates two media chambers (24, 26) from each other, and comprising a distance measuring device for monitoring the position of the separation element (16), is characterized in that the distance measuring device is in the form of a radar device (32) that includes a transmitter (42) emitting a primary signal which, upon at least partial reflection off the separation element (16), generates a secondary signal which, upon reception by a receiver (46), allows a position of the separation element (16) in the accumulator housing (10) to be determined.
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F15B 1/12 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery
F15B 1/16 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means in the form of a tube
The invention relates to a separating element consisting of at least two types of layers of plastic material, - of which one type of layer is media-resistant against mineral oils; and – of which the other type of layer has a low permeability to gases or is gas-tight, wherein both types of layers are firmly connected to each other when in direct contact with one another and provide the elastically resilient separating element (12).
F15B 1/14 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
The invention relates to a hydraulic accumulator, in particular a diaghram accumulator, comprising an accumulator housing (10) and a separating element (12) which is arranged therein and which separates two media chambers (14, 16) from each other. The invention is characterized in that a welding seam (40) which is free of welding additives is formed using a laser or electron beam welding method in that at least some of the wall parts (64, 75, 97, 116) delimiting a transition point (120) are melted so as to form the welding seam (40) which closes the transition point (120) from the surroundings without a projection relative to the outer circumferential surface (72, 96) of a connection body (28, 82).
F15B 1/14 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
The invention relates to a hydraulic accumulator, in particular a diaphragm accumulator, comprising an accumulator housing (10) and a separating element (12) which is arranged therein and separates two media chambers (14, 16) from each other. The accumulator housing (10) has at least one fluid connection point (24, 26) which opens into an adjacent media chamber (14, 16) and has a connection body (28, 82) with a fluid passage point (80, 98) that is connected to the accumulator housing (10) via a welding seam (40). The invention is characterized in that the connection body (28, 82) has an annular outer circumferential surface (72, 96) on the connection region facing the accumulator housing (10), and when the end face of the connection body is placed on the accumulator housing (10), the connection body (28, 82) forms a transition point (120), along which the welding seam (40) runs.
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F15B 1/14 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
The invention relates to a piston accumulator, comprising an accumulator housing (10) and a separating piston (12), which can be moved longitudinally in the accumulator housing (10) and which separates two media chambers (14, 16) from each other, characterized in that an end-position damping means (28) is provided between the separating piston (12) and the accumulator housing (10), which end-position damping means has at least one gap (66, 72), which gap constricts with increasing movement of the separating piston (12) toward its end position and thus builds up a flow resistance that inhibits the movement of the separating piston (12), and which gap is formed at least in one of the adjacent end faces (30, 56) of the separating piston (12) and of the accumulator housing (10) as a recess (64, 78).
A bellows accumulator, consisting of at least two housing parts (4, 6) which form an accumulator housing (2), and having a separating bellows (20), which is movably arranged in the accumulator housing (2) and separates two media spaces (8, 22) from each other and is at least on its one free end fixed to a securing device (24) in the accumulator housing (2), wherein said securing device (24) is welded to the adjacently arranged housing parts (4, 6), is characterized in that the adjacently arranged housing parts (4, 6) comprise at least in part titanium materials, in that the securing device (24) consists of at least two interconnected components (26, 30), at least one (26) of which comprises at least in part titanium materials and is welded to the adjacently arranged housing parts (4, 6), and in that the respective other component (30), consisting of a different metal material, is used for securing the separating bellows (20) to the securing device (24).
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F15B 1/14 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
A bellows accumulator has at least one accumulator housing (2) and a separating bellows (20) movably arranged in the accumulator housing (2). The separating bellows 20 has a plurality of bellows folds and separates two media spaces (8, 22) from one another. The stationary open end of the separating bellows (20) is fixed to the accumulator housing (2) by a securing device (24). The separating bellows (20) has, at its movable other end, a closure part (36) having a guide device (40) by which the closure part (36) is guided in the accumulator housing (2). The closure part (36) has, in addition to the guide device (40), a sealing device (50). At least in the one extended end position of the separating bellows (20), the sealing device (50) separates a fluid space (8), in which the bellows folds are arranged in the accumulator housing (2), from a fluid port (12) in the accumulator housing (2). At least in some of the other working positions, the sealing device (50) releases this fluid connection.
A hydraulic accumulator, in particular in the form of a piston accumulator, has an accumulator housing (10) and a separating element (20) arranged in the housing. The separating element is in the form of a piston, which separates a fluid side (22) from a gas side (24). At least the gas side (24) can be inspected, at least in part, by at least one sight glass (34, 36) that is fixed in the accumulator housing (10).
A damping device, in particular for damping or preventing pressure surges, such as pulsations, in hydraulic supply circuits, preferably in the form of a silencer, has a damping housing (2) encompassing a damping chamber (10). The damping housing (2) has at least one fluid inlet (6) and at least one fluid outlet (8), as well as a fluid receiving chamber extending between the fluid inlet (6) and the fluid outlet (8). During operation of the device, a fluid flow coming from the fluid inlet (6) passes through the damping chamber (10) towards the fluid outlet (8). A wall part of the fluid receiving chamber extends as a guide element (16) in at least one direction of extension transverse to the direction of the fluid flow. In the damping chamber (10), several guide elements (16) are provided, against which guide elements the fluid can flow to alter the flow velocity in certain areas.
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 piston accumulator comprising an accumulator housing (4) and a separating piston (10) which is guided therein in a longitudinally displaceable manner, which separates two media chambers (12, 14) from one another, and which has a double sealing system (16), with one sealing system (18) facing one media chamber (12) and the other sealing system (20) facing the other media chamber (14), wherein at least part of an equalisation device, which alows the equalisation of hydrostatic pressure between the two sealing systems (18, 20) in order to avoid an undesired build-up of pressure during operation, is accommodated in the separating piston (10) between the two sealing systems (18, 20) at the location (58).
F15B 1/24 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with rigid separating means, e.g. pistons
F16J 15/3208 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
A pressure accumulator having an accumulator housing (10) in which a movable separating element (16) separates a gas chamber (12) filled with a working gas from a fluid chamber (14) in a fluid-sealed manner. A monitoring device (46) is provided, which, in the event of a fault impairing the sealing effect of the separating element (16), provides an optically discernible indication and has an inspection window (54), through which an indicator can be observed. The monitoring device is connected to the gas chamber (12) and changes optical properties discernibly when wetted with the fluid. The indicator changing its optical properties is accommodated in a capsule (48) with a capsule wall (50) permeable to the passage of the fluid and arranged between the inspection window (54) and the separating element (16) in the accumulator housing (10).
A damping device for fluids subject to pressure pulsations has at least one hydraulic accumulator (2). The accumulator housing (4, 6) contains a movable separating element (18), which separates a gas side (14) from a fluid room (16) and can be pressurized by a fluid present in the fluid room (16). A damper housing (34) having a second fluid room (38) is provided as a component of the accumulator housing (4, 6). Through the second fluid room (38), the fluid subject to pressure pulsations can flow. The second fluid room (38) contains a second movable separating element (40), which separates the second fluid room (38) from the first fluid room (16) of the hydraulic accumulator (2) without dead space.
F15B 21/00 - Common features of fluid actuator systemsFluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
A piston accumulator has an accumulator housing and a separating piston (8) guided for longitudinal motion in the accumulator housing. The separating piston separates a liquid side (4) from a gas side (10) in the accumulator housing. Liquid unintentionally transitions from the liquid side (4) to the gas side (10) despite a piston seal on the separating piston (8). By a return device (28), the transitioned liquid is at least partially returned from the gas side (10) of the accumulator housing to the liquid side (4) of the accumulator housing.
F15B 1/24 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with rigid separating means, e.g. pistons
F16J 1/09 - PistonsTrunk pistonsPlungers with means for guiding fluids
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
A hydropneumatic piston accumulator has an accumulator housing (1) defining a housing longitudinal axis (11) and a piston (9) longitudinally movable between two housing covers (5, 7) positioned opposite each other. In the housing (1), the piston (9) separates a working chamber (13) for a compressible medium, such as a working gas, from a working chamber (15) for an incompressible medium, such as hydraulic fluid. A piston part (55) of a displacement measurement device continuously determines each position of the piston (9) in the housing (1). A rod-shaped guide (29, 57) is stationarily positioned in the accumulator housing (1) and passes all the way through the piston (9) in each of its displacement positions in the accumulator housing (1). The piston (9) is movably guided along the guide until it reaches the stop on one of the two housing covers (5, 7) and is sealed against this guide (29,57) using a sealing device (49, 50).
The invention relates to a method for determining a storage pressure on a media side (14) of a hydraulic accumulator (6), which is separated from a further media side (18) thereof by means of a separating element (10) using a status monitoring means (46), which assigns a storage pressure in the hydraulic accumulator measured during operation to same, which is connected to a media line (24) by the further media side (18) thereof, characterised in that a storage station (2) is provided with multiple hydraulic accumulators (6) of this type, and in that the status monitoring means (46) has at least one sensor (48) which monitors the media pressure in the media line (18), to which all the hydraulic accumulators are connected by their further media side (18), as well as having further sensors (52), of which at least one is assigned to every hydraulic accumulator (6) and enables a conclusion to be drawn about the operating state of the separating element (10) of the respective hydraulic accumulator (6).
Device (1) and method for detecting battery cell states, BZZ, and/or battery cell parameters, BZP, of at least one battery cell (BZ), comprising a dual Kalman filter (2) which includes a state estimator (2A) for estimating battery cell states, BZZ, and a parameter estimator (2B) for estimating battery cell parameters, BZP, and comprising a determination unit (3) which is suitable for determining noise components (n, v) of the state estimator (2A) and of the parameter estimator (2B) on the basis of a stored characteristic parameter behaviour of the battery cell (BZ), wherein the battery cell states, BZZ, and the battery cell parameters, BZP, can be adapted automatically to a specified battery model (BM) of the battery cell (BZ) by means of the dual Kalman filter (2) on the basis of the noise components (n, v) determined by the determination unit.
G01R 31/367 - Software therefor, e.g. for battery testing using modelling or look-up tables
G01R 31/3842 - Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
G06F 17/18 - Complex mathematical operations for evaluating statistical data
G01R 31/374 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
A device determines the weight of a hydraulic accumulator (10) during its operation in a hydraulic facility. A pressurised liquid is introduced into a pressure vessel at least partially filled with a gas. The pressurised liquid compresses the gas and is stored in such a way that when it leaves the accumulator (10) hydraulic energy is emitted to the facility. The respective current weight of the hydraulic accumulator (10) is detected by a weighing device (14) applied to the hydraulic accumulator (10).
G01G 17/04 - Apparatus for, or methods of, weighing material of special form or property for weighing fluids, e.g. gases, pastes
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
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
81.
Method and device for monitoring a stable convergence behavior of a Kalman filter
Method for monitoring a stable convergence behaviour of a Kalman filter (KF), which estimates states and/or parameters of an energy storage system, in particular a battery cell (BZ), wherein a covariance behaviour—provided by the Kalman filter (KF)—in terms of at least one state and/or parameter of the energy storage system is compared with a corresponding desired covariance behaviour of the state and/or parameter, wherein the Kalman filter (KF) is automatically deactivated for each state and/or each parameter of the energy storage system, of which the covariance behaviour exceeds the corresponding desired covariance behaviour.
G01R 31/367 - Software therefor, e.g. for battery testing using modelling or look-up tables
G01R 31/3842 - Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
G06F 17/00 - Digital computing or data processing equipment or methods, specially adapted for specific functions
G06F 17/18 - Complex mathematical operations for evaluating statistical data
G01R 31/374 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
A safety system has a valve block (10) to which at least one gas safety valve (12, 14) is connected in a detachable manner. At least one controllable valve (50, 52, 58) is in or at the valve block (10). At least one pressure accumulator (42) holds a gaseous pressure medium and is connected to the valve block (10) in a detachable manner. A gas-conveying connection routed at least partially within the valve block (10) between the connected pressure accumulator (42) and the connected gas safety valves (12, 14) can be opened or blocked by the valve (50, 52, 58).
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
F15B 21/00 - Common features of fluid actuator systemsFluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
A bellows accumulator, consisting of at least one accumulator housing (2) and comprising a separation bellows (20) which: is movably disposed in the accumulator housing (2); has a number of bellows convolutions; separates two media chambers (8, 22) from each other; is secured at its fixed open end by means of a securing device (24) to the accumulator housing (2); and has at its movable other end a closing part (36) with a guide (40) with which the part is guided in the accumulator housing (2), is characterised in that in addition to the guide (40) the closing part (36) has a sealing device which at least in the one extended end position of the separation bellows (20) separates a fluid chamber (8), in which the bellows convolutions are disposed in the accumulator housing (2), from a fluid connection point (12) in the accumulator housing (2), and at least in some of the other working positions releases the fluid connection flowing therebetween.
A bellows accumulator, consisting of at least two housing parts (4, 6), which form an accumulator housing (2), and comprising a separation bellows (20) which: is movably disposed in the accumulator housing (2); separates two media chambers (8, 22) from each other; and is secured at least at its one free end to a securing device (24) in the accumulator housing (2), said securing device being welded to the adjacent housing parts (4, 6), is characterised in that: the adjacent housing parts (4, 6) contain, at least in part, titanium materials; the securing device (24) consists of at least two interconnected components (26, 30), of which at least one component (26) contains, at least in part, titanium materials and is welded to the adjacent housing parts (4, 6); and the other component (30), consisting of another metal material, is used to secure the separation bellows (20) to the securing device (24).
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F15B 1/14 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
85.
Equalization device, in particular in the form of a tank
An equalization device is, in particular, in the form of a tank. The housing (2) of the tank has at least one inlet (8) and one outlet (10) for receiving and discharging fluid, respectively, at least in one of the housing walls (4) of the housing, which housing can be filled with the fluid. At least one equalization body (14) is arranged within the housing (2). The equalization body is at least partly provided with an elastically compliant separating wall (20). The interior of the equalization body is delimited, and is at least partly in pressure-equalizing connection (32) with the surroundings at a passage (12, 32) through one of the housing walls (4).
A roller cutter having a spindle (2) on which a cutting ring (4) is rotatably mounted by means of a bearing device (10, 12) that is sealed off from the surroundings by means of a sealing device (28, 30) is characterized in that any differential pressure between the bearing device (10, 12) and the surroundings can be compensated by means of a compensating device (40).
The invention relates to a hydraulic accumulator, particularly in the form of a piston accumulator, having an accumulator housing (10) and a separating element (20) arranged therein, particularly in the form of a piston, which separates a fluid (22) from a gas side (24), characterized in that at least the gas side (24), at least in part, can be inspected by means of at least one viewing glass (34, 36), which is fixed in the accumulator housing (10).
A damping device, in particular for damping or avoiding pressure surges, such as pulses, in hydraulic supply circuits, preferably in the form of a silencer, having a damping housing (2) which surrounds a damping chamber (10) and has at least one fluid inlet (6) and at least one fluid outlet (8) and a fluid receiving chamber extending between the fluid inlet (6) and the fluid outlet (8), wherein, during operation of the device, a fluid flow coming from the fluid inlet (6) traverses the damping chamber (10) in the direction of the fluid outlet (8), and wherein a wall part of the fluid receiving chamber is in the form of a guide element (16) and extends in at least one extent direction transversely with respect to the fluid flow, is characterized in that a plurality of guide elements (16) are provided in the damping chamber (10), the fluid flow flowing against said guide elements and the fluid flow rate being partly altered by them.
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 damping device for fluids affected by pressure pulsations, comprising at least one hydraulic reservoir (2), the reservoir housing (4, 6) of which contains a movable separating element (18), which separates a gas side (14) from a fluid space (16) and can be pressurised by a fluid in the fluid space (16), which damping device is characterized in that a damper housing (34) having a second fluid space (38) is provided as a component of the reservoir housing (4, 6), through which fluid affected by pressure pulsations can flow, and contains a second movable separating element (40) which separates the second fluid space (38) from the first fluid space (16) of the hydraulic reservoir (2) without any dead space.
F15B 21/00 - Common features of fluid actuator systemsFluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
A hydropneumatic piston-cylinder assembly, in particular for use as a suspension strut in vehicle suspension systems, includes a cylinder housing (4) and a piston (14) guided for axial movement in the cylinder chamber (12) of the cylinder housing. The cylinder chamber is filled with a hydraulic fluid. The piston has a piston rod (24) on one piston side (20). The piston rod extends out of an end of the cylinder chamber (12) in a sealed manner. The hydraulic fluid, which is located in the cylinder chamber (12) on the side of the piston crown (16) facing away from the piston rod (24), can be brought into operative connection with a pneumatic spring accumulator (10). The pneumatic spring accumulator is a piston-type accumulator (10), which is arranged in the cylinder housing (4).
F16F 9/48 - Arrangements for providing different damping effects at different parts of the stroke
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
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
F16F 9/06 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
The invention relates to a pressure accumulator comprising an accumulator housing (10) in which a movable separating element (16) separates a gas chamber (12) filled with a working gas from a fluid chamber (14) in a fluid-tight manner. A monitoring device (46) is provided which supplies an optically perceptible display in the event of a fault impairing the sealing effect of the separating element (16), and the monitoring device also has a viewing window (54) through which an indicator can be observed that is connected to the gas chamber (12) and the optical properties of which change in a perceptible manner when wetted with the fluid. The invention is characterized in that the indicator with changing optical properties is received in a capsule (48), the capsule wall (50) of which is permeable for the passage of the fluid and which is arranged in the accumulator housing (10) between the viewing window (54) and the separating element (16).
A piston accumulator, comprising an accumulator housing and a separator piston (8) which is guided such that it can move longitudinally in said housing and which separates a liquid side (4) from a gas side (10) in the accumulator housing, liquid passing unintentionally from the liquid side (4) to the gas side (10) despite a piston seal on the separator piston (8), is characterized in that at least part of said liquid is returned from the gas side (10) of the accumulator housing to the liquid side (4) thereof by means of a return device (28).
F15B 1/24 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with rigid separating means, e.g. pistons
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
A tensioning cylinder device includes a housing (2), at least partly longitudinally movable piston-rod unit (30, 34) arranged in the housing and a compensating element in the form of a bellows body (18) having bellows folds. The bellows body is longitudinally variable and has a media-carrying connection to a compressible medium accommodated in a medium chamber (12) in the housing (2).
F16L 37/62 - Couplings of the quick-acting type pneumatically or hydraulically actuated
B23Q 3/08 - Work-clamping means other than mechanically-actuated
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
A hydropneumatic piston accumulator has an accumulator housing (1) with a cylindrical tube (3) defining a longitudinal axis (11). The cylindrical tube (3) is closed at both ends by housing covers (5, 7). A piston (9) is longitudinally movable in the cylindrical tube (3) and separates a working chamber (13) for a compressible medium from a working chamber for an incompressible medium. A displacement measuring device determines the position of the piston (9) in the housing in a contact-free manner. The displacement measuring device includes a non-magnetic measuring tube (29) extending along the longitudinal axis (11) from one housing cover (5) to the other housing cover (7) and through a passage (31) formed in the piston (9) and is sealed against the interior of the housing (1). In the tube (29), a position sensor (57) is movably guided and follows the piston movements in the measuring tube (29) using a magnetic force acting between the piston sensor (57) and the piston (9). A transmitter/receiver (65) for the displacement measuring device is positioned on one of the housing covers (5, 7) and emits a measurement beam through the open end (25, 26) of the measuring tube (29) to the position sensor (57) and receives reflected radiation.
The invention relates to a safety system with a valve block (10) to which at least one gas safety valve (12, 14) is detachably connected, comprising at least one controllable valve (50, 52, 58) in or on the valve block (10) and at least one pressure accumulator (42) that receives a gaseous pressure medium and is also detachably connected to the valve block (10). The invention is characterised in that a gas-conducting connection extending at least in sections in the valve block (10), between the respectively connected pressure accumulator (42) and the respectively connected gas safety valve (12, 14), can be locked or released by means of the valve (50, 52, 58).
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
F15B 1/08 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor
An accumulator device (10) includes at least two accumulator elements (14, 16) that are combined to form a structural unit (12) and that have independently from one another their own accumulator characteristic curves (18, 20), in particular as a result of different preload pressures. The respective accumulator characteristic curves (18, 20) provide a combined total accumulator characteristic curve (22). A fluid can be stored in the structural unit (12) and can be retrieved from it. A hydropneumatic suspension system (24) has such an accumulator device (10).
F15B 1/08 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor
F16F 9/06 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
A hydropneumatic piston-cylinder assembly, in particular for use as a spring and/or shock absorber element, having a cylinder (2) which can be loaded with different loads and the cylinder chamber (4) of which receives a hydraulic liquid, and having a pneumatic spring-force accumulator which supports the cylinder (2) against the loads and is operatively connected to the hydraulic liquid in the cylinder chamber (4), is characterized in that the pneumatic spring-force accumulator consists of at least two accumulator devices (49, 51) which are combined to form a structural unit and, independently of one another and on account of different preload pressures, have dedicated spring characteristics which are independent of one another, wherein the respective spring characteristics result when combined in an overall spring characteristic.
F16F 9/06 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
B60G 11/26 - Resilient suspensions characterised by arrangement, location, or kind of springs having fluid springs only, e.g. hydropneumatic springs
A method for producing pressure vessels, including pressure accumulators, such as hydraulic accumulators and parts of the parts of the accumulator (24). The parts produced by a 3D printing method can include one or more or all of two housing parts and a separating element separating the interior chamber of the two hosing parts are at least partially produced by a 3D printing method.
F17C 1/16 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
B22F 5/10 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
B33Y 80/00 - Products made by additive manufacturing
F17C 1/14 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of aluminiumPressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of non-magnetic steel
The invention relates to an equalization device, in particular in the form of a tank, the housing (2) of which has at least one inlet (8) and one outlet (10) for receiving and discharging fluid, respectively, at least in one of the housing walls (4) of said housing, which housing can be filled with the fluid, characterized in that at least one equalization body (14) is arranged within the housing (2), which equalization body is at least partly provided with an elastically compliant separating wall (20), the interior of the equalization body thus being delimited, and that the interior is at least partly in pressure-equalizing connection (32) with the surroundings at a passage (12, 32) through one of the housing walls (4).
F15B 1/08 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor
F15B 1/10 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means
F16L 55/054 - Pneumatic reservoirs the gas in the reservoir being separated from the fluid in the pipe the reservoir being placed in or around the pipe from which it is separated by a sleeve-shaped membrane
F24D 3/10 - Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks
F15B 1/16 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means in the form of a tube
A safety device includes a connection point (21) for a pressure accumulator (1) that is connected to a bursting unit (55) at the gas end via the connection point (21). The bursting unit (55) can be triggered by a controllable force element (73). In the triggered state, the bursting unit allows the pressure accumulator (1) to be emptied at the gas end.
F16K 17/40 - Safety valvesEqualising valves with fracturing member, e.g. fracturing diaphragm, fusible joint
F15B 1/08 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor
F16K 17/16 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side with fracturing member with fracturing diaphragm
F15B 1/24 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with rigid separating means, e.g. pistons
