A disconnect module (60) for a vehicle (1) is provided. The disconnect module comprises a connection sleeve (61) comprising a first end (62) being configured to be free to rotate relative an input shaft (23, 24) and a second end (65) being rotationally connected to an output shaft (4b, 7b), and a shift sleeve (68) having a first end (69) being rotationally connected to the input shaft (23, 24), wherein the shift sleeve (68) is axially moveable to rotationally connect or disconnect the shift sleeve (68) to/from the connection sleeve (61).
A drive axle with a bevel gear differential having a differential cage as an input and two drive shafts as differential outputs. The differential cage is driven by a planet carrier of a planetary gear set, the planet carrier providing a plurality of planet shafts, each forming a stiff unit with two planet wheels stepped in diameter. The planet carrier is driven by a sun wheel and counter-acts with a static ring wheel. While the planet carrier drives the differential cage and orbits around the differential in its entirety, the differential is compactly disposed between the planet shafts.
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
B60K 1/00 - Arrangement or mounting of electrical propulsion units
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
A differential device (10) is provided. The differential device (10) comprises a cage (30), a carrier (40) and a disconnect coupling (50) having radially protruding splines (56a-b) configured to selectively connect the carrier (40) to the cage (30).
The disclosed invention refers to a torque vectoring device (30) for a drive axle (12) of a vehicle (10). The torque vectoring device (30) comprises an electric torque vectoring motor (32), a planetary gear (34) and a layshaft (36) being configured to be coupled to a cage (26) of a differential gear (24), said planetary gear (34) comprising a first output being configured to be coupled to one of a left or right wheel drive shaft (16; 18) and a second output being coupled to said layshaft (36). The torque vectoring motor (32) is forming a first torque flow path (38) with said planetary gear (34) and said layshaft (36) and a second torque flow path (40) with the first output of said planetary gear (34), wherein said first torque flow path (38) and said second torque flow path (40) are kinematically arranged in parallel. The layshaft (36) is arranged eccentric with the first output of the planetary gear (34).
A charging circuit and a charging system to charge a battery of an electric vehicle. The charging circuit includes an AC/DC-inverter and an AC electrical machine system, that can selectively be run as a voltage boost converter or an electric drive system. In the charging circuit, a DC input voltage can, after passing a switching element but before entering the AC electrical machine system, be diverted via a selective electronic gate to reach an output port of the charging circuit in a conducting direction of the gate. At the same time, any backflow of current to an input port of the charging circuit is prevented in a reverse direction of the gate.
An electric drive module including a differential providing output torque to two drive shafts, an electric drive motor, an electric torque vectoring motor, and a pinion, in which the pinion is drivingly connected to the differential via a reduction gear. The electric drive motor may be arranged coaxially with the two drive shafts. The electric torque vectoring motor may be arranged off-axis and/or in parallel with, but at a distance from, the two drive shafts.
F16H 48/36 - Differential gearings characterised by intentionally generating speed difference between outputs
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
F16H 48/36 - Differential gearings characterised by intentionally generating speed difference between outputs
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
8.
END-OF-LINE METHOD FOR DETERMINING EFFICIENCY OF A VEHICLE MODULE
00), changing (S10) the control of the electric motor (110) to open circuit mode, monitoring (S20) an operational parameter (201) associated with the deceleration of the vehicle module (100), and determining mechanical loss in the vehicle module based on the operational parameter (201).
The disclosed invention refers to a drive axle (12) with a bevel gear differential (24) having a differential cage (26) as an input (28) and two drive shafts (16; 18) as differential outputs (32; 34). The differential cage (26) is driven by a planet carrier (40) of a planetary gear set (36), said planet carrier (40) providing a plurality of planet shafts (40), each forming a stiff unit with two planet wheels (42; 44) stepped in diameter. The planet carrier (40) is driven by a sun wheel (46) and counter-acts with a static ring wheel (48). While the planet carrier (40) drives the differential cage (26) and orbits around the differential (24) in its entirety, said differential (24) is compactly disposed between the planet shafts (40).
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
B60K 1/00 - Arrangement or mounting of electrical propulsion units
F16H 57/08 - General details of gearing of gearings with members having orbital motion
10.
A TORQUE VECTORING DEVICE, AND A DRIVE AXLE FOR A VEHICLE WITH A TORQUE VECTORING DEVICE
The disclosed invention refers to a torque vectoring device (30) for a drive axle (12) of a vehicle (10). The torque vectoring device (30) comprises an electric torque vectoring motor (32), a planetary gear (34) and a layshaft (36) being configured to be coupled to a cage (26) of a differential gear (24), said planetary gear (34) comprising a first output being configured to be coupled to one of a left or right wheel drive shaft (16; 18) and a second output being coupled to said layshaft (36). The torque vectoring motor (32) is forming a first torque flow path (38) with said planetary gear (34) and said layshaft (36) and a second torque flow path (40) with the first output of said planetary gear (34), wherein said first torque flow path (38) and said second torque flow path (40) are kinematically arranged in parallel. The layshaft (36) is arranged eccentric with the first output of the planetary gear (34).
The disclosed invention refers to a charging circuit (10) and a charging system (60) to charge a battery (12) of an electric vehicle (26). The charging circuit (10) comprises an AC/DC-inverter (22) and an AC electrical machine system (24), that can selectively be run as a voltage boost converter (36) or an electric drive system (40). In the charging circuit (10), a DC input voltage (10) can, after passing a switching element (30) but before entering the AC electrical machine system (24), be diverted via a selective electronic gate (48) to reach an output port (20) of the charging circuit (10) in a conducting direction (50) of the gate (48). At the same time, any backflow of current to an input port (14) of the charging circuit (10) is prevented in a reverse direction (52) of the gate (48).
B60L 53/20 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
B60L 55/00 - Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
An electrically driven vehicle axle is provided, including an electrical machine, a left drive shaft, a right drive shaft, a first clutch connecting the electrical machine to the left drive shaft and a second clutch connecting the electrical machine to the right drive shaft. The first and second clutches are arranged concentrically.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 6/445 - Differential gearing distribution type
B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
B60K 23/04 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
An electric drive module is provided, comprising a differential (10) providing output torque to two drive shafts (11, 12), an electric drive motor (30), an electric torque vectoring motor (50), and a pinion (20), wherein the pinion (20) is drivingly connected to the differential (10) via a reduction gear (22).
The present disclosure refers to an all-wheel drive system (10) for a vehicle (12), including: an electrical motor (24) being connected to a first axle (26) of a planetary gear set (28) arranged at an output side (30) of a vehicle gearbox (32), and a second axle (34) of the planetary gear set (28) being connected or connectable to the gearbox output shaft (36) or to ground (G) by a coupling (I).
B60K 17/346 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear
B60K 6/445 - Differential gearing distribution type
An axle drive (1) for a vehicle is provided, comprising a differential (2) and an electrical motor (17) in driving connection with said differential (2) via a disconnect (7), wherein lubrication of said axle drive (1) is adjusted automatically by means of the position of said disconnect (7).
The actuator (20) comprises an electric drive means (22) and a drive member (26) being rotationally driven upon activation of the electric drive means (22), an output member (24) being rotationally connected to the drive member (26) by means of a first spring (28), and a second spring (32) being connected to the output member (24) and forming a one way clutch between the output member (24) and a fixed tube (34), wherein the electrical actuator (20) further comprises a regulation cup (30) being configured to engage with the second spring (32) to disconnect the output member (24) from the fixed tube (34).
A stator (1) is provided, comprising a lamination stack (10) having a plurality of segments (20) being connected to each other by means of respective folding joints (30), wherein at least one folding joint (30) is arranged radially inwards of a virtual circumference (27) corresponding to the maximum radius (R2) of the lamination stack (10). The stator (1) further comprises a plurality of insulators (40), wherein at least one insulator (40) comprises an end part (48, 49) extending axially out from the lamination stack (10), and wherein a radial space is provided between the outer circumference of the end part (48, 49) and the outer periphery of the laminator stack (10).
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
An electromechanical actuator (100) is provided. The actuator comprises an electrical motor (110) controlling a ball ramp mechanism. The ball ramp mechanism is configured to allow for mutual rotation of a first and second rotational member (120, 30) up to a first torque of the electrical motor (110), and to allow for axial separation of the first and second rotational members (120, 130) at a second torque of the electrical motor (110).
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
An electrical motoris provided, comprising a rotor (2), a stator (3), and a housing (4) enclosing the rotor (2) and the stator (3). The stator (3) comprises at least one end turn connection device (6) arranged on one axial end thereof, and a plurality of hollow winding pins (5) extending through the at least one end turn connection device (6).
H02K 3/22 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of hollow conductors
B23P 19/02 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
H02K 9/197 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
H02K 11/30 - Structural association with control circuits or drive circuits
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
A chain tensioning device (400), comprising a base member (410) being provided with a centering member (440) being configured to be received by a cassette (200), said cassette (200) supporting a first sprocket (122) of a chain drive (120), the second sprocket (124) being moveable at least in a radial direction in relation to the cassette (200), and a tensioning pin (450) being configured to be received in a recess (512) concentric with a second sprocket (124) of the chain drive (120) in the cassette (200).
A hybrid drive module, comprising a chain drive (220) connecting an electrical motor (210) with a crankshaft (22) of an associated internal combustion engine (20) via at least one clutch (230, 260) and at least one flywheel (240, 270), and with a transmission (300) through a transmission clutch (250), wherein at least one flywheel (240, 270) is arranged on an rotational shaft (280) of the powertrain, the rotational shaft (280) being connected to the powertrain by the transmission clutch (250) and/or by the at least one clutch (230, 260).
An actuator for connecting and disconnecting a dog clutch having an axially moveable sleeve (3), the actuator (4) comprising an electric motor (6), wherein a rotor (61) of the motor is connected to a rotatable actuator rod (7), which is provided at its end with an eccentric pin (5) for such cooperation with the clutch sleeve (3) that a rotation of the actuator rod (7) 180° or less by means of the motor from a rotational position corresponding to one axial end position of the clutch sleeve (3) to a rotational position corresponding to the other axial end position of the clutch sleeve (3) leads to a connection or disconnection of the dog clutch.
H02K 37/12 - Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
H02P 8/42 - Arrangements for controlling dynamo-electric motors rotating step by step characterised by non-stepper motors being operated step by step
H02P 29/00 - Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
F16D 11/00 - Clutches in which the members have interengaging parts
23.
A HYBRID DRIVE MODULE, AND A METHOD FOR IMPROVING PERFORMANCE OF SUCH HYBRID DRIVE MODULE
A method for reducing acceleration variations of an output shaft (102) of a hybrid drive module (100), said hybrid drive module (100) comprising an electrical motor (110) being connected to the output shaft (102), wherein a crankshaft (22) of an associated internal combustion engine (20) is connected to an input shaft (101) of the hybrid drive module, and wherein the input shaft (101) is connected to the output shaft (102) via a dual mass flywheel (140) and a first clutch (130), said method comprising the steps of: - determining (202) the actual acceleration of the output shaft (102), - determining (204) the torque required to at least to some extent reduce said actual acceleration, and - applying (206) said determined torque to said output shaft (102) by activating the electrical motor (110).
B60W 20/11 - Controlling the power contribution of each of the prime movers to meet required power demand using model predictive control [MPC] strategies, i.e. control methods based on models predicting performance
B60W 20/17 - Control strategies specially adapted for achieving a particular effect for noise reduction
B60K 6/387 - Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
B60K 6/38 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
24.
A HYBRID DRIVE MODULE, AND A METHOD FOR IMPROVING PERFORMANCE OF SUCH HYBRID DRIVE MODULE
A method (200) for reducing acceleration variations of an output shaft (102) of a hybrid drive module (100), said hybrid drive module (100) comprising an electrical motor (110) being connected to the output shaft (102), wherein a crankshaft (22) of an associated internal combustion engine (20) is connected to an input shaft (101) of the hybrid drive module, and wherein the input shaft (101) is connected to the output shaft (102) via a clutch (130), said method comprising: - determining (201) a target RPM difference between the crankshaft (22) and the output shaft (102), - calculating (202) an actual RPM difference between the crankshaft (22) and the output shaft (102), and - determining (203) a pressure to be applied by actuation of the clutch (130) based on the target RPM difference, the actual RPM difference and/or on a current torque output from the internal combustion engine (20) to achieve an actual RPM difference essentially matching the target RPM difference.
B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
B60K 6/387 - Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
B60K 6/38 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
F16D 48/06 - Control by electric or electronic means, e.g. of fluid pressure
An electrical actuator (20) is provided. The actuator (20) comprises an electric drive means (22) and a drive member (26) being rotationally driven upon activation of the electric drive means (22), an output member (24) being rotationally connected to the drive member (26) by means of a first spring (28), and a second spring (32) being connected to the output member (24) and forming a one way clutch between the output member (24) and a fixed tube (34), wherein the electrical actuator (20) further comprises a regulation cup (30) being configured to engage with the second spring (32) to disconnect the output member (24) from the fixed tube (34).
A stator (1) is provided, comprising a lamination stack (10) having a plurality of segments (20) being connected to each other by means of respective folding joints (30), wherein at least one folding joint (30) is arranged radially inwards of a virtual circumference (27) corresponding to the maximum radius (R2) of the lamination stack (10). The stator (1) further comprises a plurality of insulators (40), wherein at least one insulator (40) comprises an end part (48, 49) extending axially out from the lamination stack (10), and wherein a radial space is provided between the outer circumference of the end part (48, 49) and the outer periphery of the laminator stack (10).
An electromechanical actuator (100) is provided. The actuator comprises an electrical motor (110) controlling a ball ramp mechanism. The ball ramp mechanism is configured to allow for mutual rotation of a first and second rotational member (120, 30) up to a first torque of the electrical motor (110), and to allow for axial separation of the first and second rotational members (120, 130) at a second torque of the electrical motor (110).
B60K 17/35 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speeds including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
An electrical motoris provided, comprising a rotor (2), a stator (3), and a housing (4) enclosing the rotor (2) and the stator (3). The stator (3) comprises at least one end turn connection device (6) arranged on one axial end thereof, and a plurality of hollow winding pins (5) extending through the at least one end turn connection device (6).
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
A hybrid drive module, comprising a housing (170) enclosing a chain drive (120) connecting an electrical motor (110) with a crank shaft (22) of an associated internal combustion engine (20) via at least one coupling (130, 140). The housing (170) further comprises a reservoir (190) and a removable lid (400) for allowing access to parts of the electrical motor (110), and the lid (400) is arranged at a distance from said reservoir (190).
B60K 6/42 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
A hybrid drive module, comprising an electric motor (110) and a power electronics module (300) operatively connected to the electric motor (110) whereby the power electronics module is integral to the electric motor (110).
F16H 57/04 - Features relating to lubrication or cooling
G21C 3/33 - Supporting or hanging of elements in the bundleMeans forming part of the bundle for inserting it into, or removing it from, the coreMeans for coupling adjacent bundles
F16H 57/05 - Features relating to lubrication or cooling of chains
The present invention concerns a method of thermal management of a transmission of an axle (4) of an electrical vehicle and a circuit used for the method. The circuit comprises a coolant pump (1), one or more on-board units, a three way valve (5) and the axle (4), which axle (4) comprises a transmission. Coolant of a cooling system of the vehicle is made to pass the on-board units to pick up heat losses. The on-board units may be power electronics (2), an electrical machine (3), a battery and/or an on-board charger.
B60H 1/14 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant
B60K 11/02 - Arrangement in connection with cooling of propulsion units with liquid cooling
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
A torque vectoring device for a vehicle is provided, comprising an electrical motor (110) being connected to a differential mechanism (20) via a first planetary gear set (120) and a second planetary gear set (130), said planetary gear sets (120, 130) sharing a common ring wheel (126), wherein the first planetary gear set (120) is connecting the electrical motor (110) to a cage (22) of the differential (20), and the second planetary gear set (130) is connecting the electrical motor (110) to an output shaft (24), and wherein the rotational axis (R) of the first planetary gear set (120) and the second planetary gear set (130) is arranged remote from the output shaft (24).
A rear axle drive (2) for an AWD vehicle is presented. The rear axle drive (2) is connected to an hydraulic AWD coupling (3), wherein the rear axle drive (2) comprises a lubrication valve (4) for controlling the level of lubricant in at least one lubricant reservoir (6, 7) of the rear axle drive (2) for providing lubricant to gears and/or bearings of the rear axle drive (2). The lubrication valve (4) is functionally connected to a shut-off valve (5) of the AWD coupling (3) and the lubrication valve (4) of the rear axle drive (3) is controlled by movement of an actuating member (51, 54) of the AWD coupling (3).
A vehicle driveline system for a vehicle is provided. The system comprises a differential (110) having two output shafts (111,112) being connectable with respective wheel shafts, a primary electrical motor (121) being connected with a driving input (117) of the differential (110) via a first reduction gearing (130), said first reduction gearing (130) being connected to a secondary electrical motor (122) for adjusting the gear ratio of the first reduction gearing (130); whereby the secondary electrical motor (122) is connected to a clutch arrangement (150) configured to selectively lock the gear ratio of the first reduction gearing (130).
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 6/365 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
A hybrid drive module, comprising a housing (170) enclosing a chain drive (120) connecting an electrical motor (110) with a crank shaft (22) of an associated internal combustion engine (20) via at least one coupling (130, 140). Said housing (170) further comprises a reservoir (190) having an inlet (212) configured to receive oil from the chain (126) during operation, and an outlet (214, 214′) arranged to distribute oil back to the chain (126).
B60K 6/42 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
F16H 57/04 - Features relating to lubrication or cooling
F16H 57/05 - Features relating to lubrication or cooling of chains
B60K 6/26 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
B60K 6/365 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
B60K 6/547 - Transmission for changing ratio the transmission being a stepped gearing
B60K 11/02 - Arrangement in connection with cooling of propulsion units with liquid cooling
B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
B60W 10/115 - Stepped gearings with planetary gears
B60W 20/40 - Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
F16H 3/54 - Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
A hydraulic disc coupling (1) for a system distributing torque between the left and right wheels and/or the front and rear axles of a vehicle is provided. A coupling piston (6) is configured to be mechanically locked by an integrated locking arrangement (23), when the coupling piston (6) is actuated to act on the disc package (8), such that the coupling remains engaged whereby the input (2) is connected to the output (7) of the coupling (1) without hydraulic pressure acting on the coupling piston (6). Unlocking of the integrated locking arrangement (23) is provided by again actuating the coupling piston (6).
F15B 15/06 - Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non-rectilinear movement
F16D 25/0638 - Fluid-actuated clutches in which the fluid actuates a piston incorporated in the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
F16H 19/04 - Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary motion and reciprocating motion comprising a rack
F16D 127/06 - Locking mechanisms, e.g. acting on actuators, on release mechanisms or on force transmission mechanisms
A vehicle driveline system for a vehicle, said system comprising a differential (100) having a differential housing (106) connectable to an engine via a pinion (103), and two output shafts (111, 112) being connectable with respective wheel axles, and an electrical motor (180) being selectively connected to the differential housing (106). Said differential housing (106) extends into a hollow shaft (113) and the differential housing (106) comprises an outer gearing (104) configured to mesh with the pinion (103) and an inner gearing (107) being connected with the output shafts (111, 112). The vehicle driveline system further comprises a first reduction gearing (160) connected to the hollow shaft (113) and an actuator arrangement (190) arranged between the differential housing (106) and the first reduction gearing (160). The actuator arrangement is configured to selectively transfer torque in any of the following modes: i) a first drive mode in which the actuator arrangement (190) is configured to be actuated to allow for torque transfer from the electrical motor (180) to the differential housing (106) only via the hollow shaft (113). ii) a second drive mode in which the actuator arrangement (190) is configured to be actuated to allow for torque transfer from the electrical motor (180) to the hollow shaft (113) via the first reduction gearing (160).
B60K 23/04 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
F16H 48/36 - Differential gearings characterised by intentionally generating speed difference between outputs
B60K 6/52 - Driving a plurality of drive axles, e.g. four-wheel drive
B60K 7/00 - Disposition of motor in, or adjacent to, traction wheel
An axle drive (1) for a vehicle is provided, comprising a differential (2) and an electrical motor (17) in driving connection with said differential (2) via a disconnect (7), wherein lubrication of said axle drive (1) is adjusted automatically by means of the position of said disconnect (7).
An electrical axle comprising an electrical motor selectively connected to a differential via a reduction gear and a planetary gear set, the planetary gear set having one input and two outputs, the electrical axle further comprises a gear shift mechanism configured to selectively connect a differential housing to one of the outputs.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
F16H 48/36 - Differential gearings characterised by intentionally generating speed difference between outputs
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
B60K 17/08 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing of mechanical type
F16H 3/54 - Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
A method of performing regular maintenance in a hybrid drive module, comprising a housing (170) enclosing a continuous member drive (120) comprising a chain or a belt (126) connecting an electrical motor (110) with a crank shaft (22) of an associated internal combustion engine (20) via at least one coupling (130, 140), said electrical motor (110) being fastened with respect to the crank shaft (22) via fastening elements (111) wherein said method comprises: unfastening the electric motor (110) from said motor's (110) fastening elements (111); positioning the electric motor (110) such that the crankshaft (22) is a distance (d) from the electric motor (110) and such that tension in the chain or belt (126) is at or above a pre-specified level; and re-fastening fastening elements (111) such that the electric motor (110) is maintained at the distance (d) from the crankshaft (22).
F16H 7/16 - Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley without adjusting the driving or driven shaft
A hybrid drive module, comprising a housing (170) enclosing a chain drive ( 120) connecting an electrical motor ( 110) with a crank shaft (22) of an associated internal combustion engine (20) via at least one coupling (130, 140). The housing (170) further comprises a reservoir (190) and a removable lid (400) for allowing access to parts of the electrical motor (110), and the lid (400) is arranged at a distance from said reservoir (190).
A hybrid drive module, comprising an electric motor (110) and a power electronics module (300) operatively connected to the electric motor (110) whereby the power electronics module is integral to the electric motor (110).
A vehicle driveline system for a vehicle is provided. The system comprises a differential having a differential housing connectable to an engine via a pinion, and two output shafts being connectable with respective wheel axles, and an electrical motor being selectively connected to the differential housing. The differential housing extends into a hollow shaft having a radial protrusion provided with engagement means, such as splines, for connecting with a shifting sleeve, wherein said shifting sleeve is configured to be actuated for connecting the electrical motor to said differential housing.
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
B60K 17/35 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speeds including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
B60K 6/20 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
B60K 1/00 - Arrangement or mounting of electrical propulsion units
A vehicle driveline system for a vehicle is provided. The system comprises a pinion (10) configured to provide driving torque to a differential (20), and an electrical motor (30) being connected to the pinion (10) via a reduction gearing (40).
B60K 6/365 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
A hydraulic system (10) for a vehicle is provided. The hydraulic system comprises a shifting mechanism (20) and a pump assembly (30) configured to provide pressurized fluid to said shifting mechanism (20), and an electrical motor (40). The movement of the shifting mechanism (20) controls a valve function which serves to open a connection from the pump assembly (30) to the electrical motor (40).
F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion
B60K 17/10 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of fluid gearing
B60K 23/04 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
B60K 6/52 - Driving a plurality of drive axles, e.g. four-wheel drive
B60K 6/26 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
46.
A METHOD AND DEVICE FOR DETERMINING SHIM THICKNESS
A method for determining a shim thickness is provided. The method comprises rotatably supporting a pinion axle by means of at least one bearing, applying a preload to said bearing by pressing a contact surface of a preload member against the bearing, arranging at least one measurement surface at a well defined axial distance from a radial groove of the pinion axle, and measuring the axial distance between the at least one measurement surface and a reference surface of the preload member, wherein the measured axial distance corresponds to a desired shim thickness.
F16C 35/073 - Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
G01B 5/14 - Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
The present invention concerns a method of thermal management of a transmission of an axle (4) of an electrical vehicle and a circuit used for the method. The circuit comprises a coolant pump (1), one or more on-board units, a three way valve (5) and the axle (4), which axle (4) comprises a transmission. Coolant of a cooling system of the vehicle is made to pass the on-board units to pick up heat losses. The on- board units may be power electronics (2), an electrical machine (3), a battery and/or an on-board charger.
A vehicle driveline system for a vehicle is provided. The system comprises a differential (110) having two output shafts (111,112) being connectable with respective wheel shafts, a primary electrical motor (121) being connected with a driving input (117) of the differential (110) via a first reduction gearing (130), said first reduction gearing (130) being connected to a secondary electrical motor (122) for adjusting the gear ratio of the first reduction gearing (130); whereby the secondary electrical motor (122) is connected to a clutch arrangement (150) configured to selectively lock the gear ratio of the first reduction gearing (130).
A rear axle drive (2) for an AWD vehicle is presented. The rear axle drive (2) is connected to an hydraulic AWD coupling (3), wherein the rear axle drive (2) comprises a lubrication valve (4) for controlling the level of lubricant in at least one lubricant reservoir (6, 7) of the rear axle drive (2) for providing lubricant to gears and/or bearings of the rear axle drive (2). The lubrication valve (4) is functionally connected to a shut-off valve (5) of the AWD coupling (3) and the lubrication valve (4) of the rear axle drive (3) is controlled by movement of an actuating member (51, 54) of the AWD coupling (3).
A torque vectoring device for a vehicle, comprising an electrical motor (110) being connected to a differential mechanism (20) via a transmission (120) comprising a first planetary gear set (140a) and a second planetary gear set (140b), wherein the electrical motor (110) is connected to the input shaft (100) and to an output shaft (130a) of the differential mechanism (20) for torque vectoring, wherein the input shaft (100) of the differential mechanism (20) is connected to a planet carrier of the first planetary gear set (140a) and an output shaft of the differential mechanism (20) is connected to a planet carrier of the second planetary gear set (140b), and wherein the planet gears of the first (140a) and second (140b) planetary gear sets are in engagement with a common gear (150).
A torque vectoring device (100;200;300) for a road vehicle is provided. The torque vectoring device is adapted to selectively distribute torque to a first wheel shaft (101;201;301) and a second wheel shaft (102;202;302), whereby the torque vectoring device (100;200;300) comprises a variator (110;210;310) adapted to distribute torque between said first wheel shaft (101;201;301) and second wheel shaft (102;202;302), and a controller (160;260;360) connected to the variator (110;210;310) and being configured to variably adjust the gear ratio of the variator (110, 210, 310).
A method of controlling a drive train comprising an electric motor (12), a gearbox (1) and an internal combustion engine (13). The gearbox (1) is placed between the electric motor (12) and the internal combustion engine (13) in the drive train. The speed of the electric motor (12) is synchronized to the speed of the internal combustion engine (13) in order to shift the gearbox. The gearbox (1) is shifted between different operation modes by means of controlling the position of a dog clutch (6).
A hybrid drive module, comprising a housing (170) enclosing a chain drive ( 120) connecting an electrical motor ( 110) with a crank shaft (22) of an associated internal combustion engine (20) via at least one coupling ( 130, 140). Said housing (170) further comprises a reservoir (190) having an inlet (212) configured to receive oil from the chain (126) during operation, and an outlet (214, 214') arranged to distribute oil back to the chain (126).
A hydraulic pump assembly for a vehicle is provided, comprising an electrical motor, a hydraulic pump driven by the electrical motor, and a centrifugal regulator connected with a pressure overflow valve connected to the oil outlet of the hydraulic pump, characterized in that the pump assembly further comprises at least two input check valves and at least two output check valves arranged such that a first pressure outlet port is formed when the motor is rotating in a first direction, and a second pressure outlet port is formed when the motor is rotating in an opposite direction.
F04B 49/22 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by means of valves
F04B 1/12 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
F04B 1/18 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having self-acting distribution members, i.e. actuated by working fluid
F04B 1/34 - Control not provided for in groups , , or
A gearbox (1) is placed in a drive train between an electric motor (12) and an engine (13) of a vehicle. The gearbox (1) is placed in direct connection to an output shaft (2) of the electric motor (12). The gear box (1) has means to place it in three different modes.
F02B 67/04 - Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functionsDriving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
F16H 63/04 - Final output mechanisms thereforActuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
A hydraulic system including a hydraulically actuated clutch, a hydraulically actuated shifting piston, and a pressure source for actuating the clutch as well as the shifting piston. The movement of the shifting piston also controls a valve function which serves to open a connection from the pressure source to the clutch only when the shifting piston has reached one of its end positions.
B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
B60K 17/344 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
57.
Actuator for a dog clutch and a method for its control
An actuator for connecting and disconnecting a dog clutch between two coaxial shafts (1, 2) by means of an axially movable clutch sleeve (3) comprises an electric motor. A motor shaft (8) of the motor is connected to a rotatable actuator rod (7). This rod (7) is provided at its end with an eccentric pin (5) for such cooperation with the clutch sleeve (3) that a rotation of the actuator rod (7) 180° or less by means of the motor from a rotational position corresponding to one axial end position of the clutch sleeve (3) to a rotational position corresponding to the other axial end position of the clutch sleeve (3) leads to a connection or disconnection of the dog clutch.
A hydraulic disc coupling (1) for a system distributing torque between the left and right wheels and/or the front and rear axles of a vehicle is provided. A coupling piston (6) is configured to be mechanically locked by an integrated locking arrangement (23), when the coupling piston (6) is actuated to act on the disc package (8), such that the coupling remains engaged whereby the input (2) is connected to the output (7) of the coupling (1) without hydraulic pressure acting on the coupling piston (6). Unlocking of the integrated locking arrangement (23) is provided by again actuating the coupling piston (6).
F16D 25/0638 - Fluid-actuated clutches in which the fluid actuates a piston incorporated in the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
A final drive for a road vehicle comprises a pinion gear on a pinion axle journaled in a housing, the pinion gear being in gear engagement with a crown gear journaled for rotation transversely to the pinion axle. The final drive is combined with an all wheel drive (AWD) coupling, comprising a disc package axially controlled by a hydraulic piston for optionally transmitting torque from an ingoing axle to the pinion axle, the disc package being rotatably connected to the pinion axle. The ingoing axle of the AWD coupling is radially journaled only by the pinion axle in the final drive.
B60K 17/35 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speeds including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
F16D 25/0638 - Fluid-actuated clutches in which the fluid actuates a piston incorporated in the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
F16H 1/14 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
An electrical axle is provided. The electrical axle comprises an electrical motor (40) which is selectively connected to a differential (30) via a reduction gear (50) and a planetary gear set (60), said planetary gear set (60) having one input (66) and two outputs (64, 66), The electrical axle (20) further comprises a gear shift mechanism (70) configured to selectively connect a differential housing (32) to one of said outputs (66, 64).
A coupling for an AWD vehicle comprises a disc package with alternate discs (6,7; 56, 57; 76, 77), which are connected for rotation with, but are axially movable in relation to an ingoing (1; 52, 71) and an outgoing axle (2; 51; 72), respectively, of the coupling, and a hydraulic piston (9; 59; 79) for pressing the disc package together under the action of hydraulic pressure, hereby establishing a connect mode, in which the ingoing axle is connected to the outgoing axle. A coupling slack adjuster (13-15; 64, 65; 83-85) is provided for mechanically establishing a rest position for the hydraulic piston (9; 59; 79) in a disconnect mode, in which a predetermined slack in the disc package is established, irrespective of the wear of the discs.
F16D 25/0638 - Fluid-actuated clutches in which the fluid actuates a piston incorporated in the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
F16D 25/12 - Details not specific to one of the before-mentioned types
F16D 13/75 - Features relating to adjustment, e.g. slack adjusters
B60K 17/34 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
A dog clutch comprises first (160) and second (170) drive shafts, the drive shafts being connectable to one another by a dual spline connector (150). The dual spline connector is movable along a longitudinal axis of the first (160) and second (170) drive shafts and is provided with an internal spline that mates with an external spline of the first drive shaft. The dual spline connector is further provided with an external spline that upon axial movement may be connected or disconnected to an internal spline of the second drive shaft. Either or both of the external spline of the dual spline connector and/or the internal spline of the second drive shaft is or are provided with means for allowing partial connection of the internal and external splines.
A clutch actuation system (100) comprises a clutch pedal (P), a control system (110) and an actuator (120) operable to connect/disconnect a clutch (130). A hydraulic pump (170) is connected to the actuator (120) via a controlled valve (V) and will be open when the clutch position is changed and closed once the clutch has reached the desired position such that the pump (170) can be stopped to save electrical energy.
A hydraulic system (10) for a vehicle is provided. The hydraulic system comprises a shifting mechanism (20) and a pump assembly (30) configured to provide pressurized fluid to said shifting mechanism (20), and an electrical motor (40). The movement of the shifting mechanism (20) controls a valve function which serves to open a connection from the pump assembly (30) to the electrical motor (40).
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
B60K 17/346 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear
F16H 48/20 - Arrangements for suppressing or influencing the differential action, e.g. locking devices
B60K 1/00 - Arrangement or mounting of electrical propulsion units
A deaeration valve (1) for a hydraulic coupling, such as a hydraulic coupling for distributing torque in a vehicle, said valve (1) comprising a valve member (3) and a valve housing (2), the valve housing (2) supporting the valve member (3) for reciprocal movement between two closed end positions.
In a hydraulic system with a dog clutch (23-25), a hydraulically operated dog clutch actuator is arranged to alternatively bring the dog clutch into a connect mode or a disconnect mode. The clutch actuator has a piston (27) reciprocally movable under hydraulic pressure between two end positions, corresponding to the two clutch modes. Pressurized hydraulic oil is supplied to the clutch actuator by a hydraulic power system comprising a pump (4) driven by an electric motor (3). Means are provided in the clutch actuator to decrease the hydraulic pressure acting on the piston (27) at the approaching by the piston of either of its end positions, so that a hydraulic signal is transmitted back to the hydraulic power system.
A hydraulic pump assembly comprises a rotatable piston drum (20) with at least one centrifugal lever (23) pivotally attached thereto for radial movements between radial flanges (20′) under the action of centrifugal force at rotation of the piston drum. The centrifugal lever (23) is arranged to control the position of a valve member, preferably a ball (22), at the opening end of a bore (21) in the piston drum (20). There is a defined friction surface (28; 32) between the lever (23) and one of the radial flanges (20′), and there are spring means (29-31; 25, 33) for resiliently biasing the lever against said one of the flanges.
F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
G05D 7/01 - Control of flow without auxiliary power
B60W 10/119 - Conjoint control of vehicle sub-units of different type or different function including control of all-wheel-driveline-means, e.g. transfer gears or clutches for dividing torque between front and rear axles
F04B 1/30 - Control of machines or pumps with rotary cylinder blocks
F04B 1/34 - Control not provided for in groups , , or
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
F03C 1/34 - Distribution members specially adapted for multiple-cylinder engines
An electric drive axle arrangement for a road vehicle comprises an electric drive motor (1), a differential mechanism (3, 4) for allowing different velocities of drive wheels driven by the drive motor, and a torque vectoring system (2, 6, 7) for controlling the distribution of drive torque between the two drive wheels. A torque vectoring motor (2) of the torque vectoring system is of the non-permanent magnet motor type.
patents
