Methods and systems are provided for drivetrain of a vehicle. In one example, the drivetrain includes an axle shaft with a radial nub and a shaft guide surrounding the axle shaft. The shaft guide may have an inner radial groove configured to have an interference fit with the radial nub. When the axle shaft is axially translated along an axial direction to engage the radial nub with the inner radial groove of the shaft guide, the axle shaft may be disconnected from a wheel hub of the vehicle.
Systems and methods for gear cooling. In one example, the gear cooling system includes a spray tube positioned within a central opening that is included in a first gear. The spray tube includes an oil outlet, the oil outlet is positioned within a smaller diameter section of the central opening, the smaller diameter section is axially offset from an outer toothed portion of the first gear, and the central opening includes a larger diameter section that is positioned interior to the outer toothed portion of the first gear.
An electric axle is provided. The electric axle includes, in one example, an electric machine rotationally coupled to a layshaft via a first gear reduction and a differential rotationally coupled to the first gear reduction, a first axle shaft, and a second axle shaft. In the electric axle, the electric machine is positioned laterally between at least two drive wheels that are rotationally coupled to the first axle shaft and the second axle shaft and a rotational axis of the electric machine is axially offset from rotational axes of the at least two drive wheels.
F16H 37/08 - Combinations 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
B60K 6/36 - 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
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
Methods and systems for an electric machine. The electric machine includes, in one example, a sleeve that encloses a stator and a rotor, a housing removably coupled to the sleeve and circumferentially enclosing a portion of the sleeve. The electric machine further includes a fluid inlet that extends through at least one of the sleeve and the housing and is in fluidic communication with a stator cooling assembly.
H02K 9/193 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with means for preventing leakage of the cooling medium
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
5.
ASSEMBLY WITH ELECTRICAL CONNECTION THROUGH ELASTOMERIC GASKET
A gasket with at least one integral electrical connector adapted for an assembly includes an elastomeric gasket main body adapted to seal a joint between one or more assembly components and a cover, and at least one electrical connector extending through and formed integrally with the elastomeric gasket main body so as to provide power or electric signals to at least one electrical component of the assembly.
B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
F16J 15/02 - Sealings between relatively-stationary surfaces
Systems and methods for storing a working fluid in a fluid reservoir assembly. The fluid reservoir assembly includes, in one example, an axle tube circumferentially surrounding an axle shaft in a beam axle, a sleeve coupled to the axle tube, and a fluid reservoir containing a working fluid and formed in a cavity between an exterior surface of the axle tube and an interior surface of the sleeve. In the fluid reservoir assembly, the fluid reservoir is configured to fluidically connect to a component.
Systems for a vehicle air duct including a passage, the passage including an inlet at a downstream portion of a front wheel well of the vehicle and an outlet upstream of a rear wheel well of the vehicle.
Systems are provided for a differential of a powertrain. In one example, a system includes a primary differential pin comprising an I-beam middle section and a secondary differential pin including a slot that interlocks with the I-beam middle section. A pair of the secondary differential pins interlocks with the primary differential pin in a differential assembly.
Methods and systems are provided for a bearing assembly of a vehicle. In one example, the bearing assembly includes a bearing coupled to a shaft and a threaded bearing adjuster in contact with the bearing and configured to apply a target amount of preload to the bearing. The bearing assembly may further include a locking ring in face-sharing contact with the threaded bearing adjuster. The locking ring may have a threaded outer surface that, when engaged with threading of a vehicle component, inhibits axial translation of the threaded bearing adjuster away from the bearing.
Systems and methods for a gearbox. The gearbox system, in one example, includes an input shaft with a first helical gear coupled thereto, a first intermediate shaft with a second helical gear coupled thereto and meshing with the first helical gear and a second intermediate shaft with a third helical gear coupled thereto and meshing with the first helical gear. The gearbox system further includes a balance beam that transfers loads between the first intermediate shaft and the second intermediate shaft.
F16H 1/20 - Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
F16H 1/24 - Toothed gearings for conveying rotary motion without gears having orbital motion involving gears essentially having intermeshing elements other than involute or cycloidal teeth
Methods and systems are provided to cool an electric machine rotor. The electric machine fluid cooling system includes, in one example, an air vent in fluidic communication with a radial coolant passage of a rotor shaft. In the system, the radial coolant passage is in fluidic communication with a rotor shaft coolant passage that extends through a rotor shaft and an inlet coolant passage that extends through a rotor shaft.
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
Systems and method for an electric axle assembly. The electric axle assembly includes, in one example, an electric machine rotationally coupled to a planetary differential and a first and second axle shaft directly rotationally coupled to the planetary differential. In the axle assembly, the second axle shaft is longer than the first axle shaft and the electric machine is positioned laterally between a first drive wheel shaft and a second drive wheel shaft that are rotationally coupled to the first axle shaft and the second axle shaft.
Systems are provided for a cooling system for an electric vehicle. In one example, a system includes a shaft assembly comprising a shaft, a shaft end cap, and an insert, wherein the insert is arranged in a cavity shaped by the shaft and the shaft end cap.
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
An electric drive axle in a vehicle is provided. The electric drive axle includes, in one example, a housing configured to enclose an electric motor-generator and a gearbox. In the electric drive axle, the housing includes a first section that is removably coupled to a second section, the second section at least partially encloses the gearbox, the first section includes a first axle shaft opening, and the second section includes a second axle shaft opening that is laterally aligned with the first axle shaft opening.
Systems and methods for an electric axle. The electric axle includes, in one example, a first electric machine directly coupled to a sun gear of a planetary gear set and a second electric machine directly coupled to a carrier of a planetary gear set. The planetary gear set includes a set of planet gears that rotate on the carrier and an output gear that meshes with an input gear in a differential.
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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 7/00 - Disposition of motor in, or adjacent to, traction wheel
16.
DERIVING AND VISUALIZING AN AMOUNT OF ACCELERATION AVAILABLE TO A VEHICLE
Systems and methods are shown for estimating an available amount of acceleration available to a vehicle. In one example, a method for a controller of a vehicle comprises displaying an estimated available acceleration of the vehicle at a current speed of the vehicle in an in-cabin display of the vehicle, the estimated available acceleration estimated based on a performance characteristic of a power source of the vehicle and a model of an interaction of the vehicle with an environment of the vehicle. The power source may include one or both of an internal combustion engine and an electric machine.
B60W 20/10 - Controlling the power contribution of each of the prime movers to meet required power demand
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 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention
17.
AUTOMATIC TRANSMISSION WITH ONE OR MORE DYNAMICALLY CONTROLLABLE ONE WAY CLUTCHES
A transmission system for a vehicle, comprising: an input configured to couple to a prime mover of the vehicle; a first gear ratio; a second gear ratio; a first dynamic controllable clutch operable in an engaged state, a disengaged state, and a one-way clutch state; a second dynamic controllable clutch operable in the engaged state, the disengaged state, and the one-way clutch state; an output; and a controller comprising instructions stored in non-transitory memory that are executable by the controller to: adjust a state of the first DCC and the second DCC to selectively engage the first gear ratio and the second gear ratio for providing torque transfer from the input to the output of the transmission system.
B60K 6/36 - 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
F16D 48/06 - Control by electric or electronic means, e.g. of fluid pressure
Systems are provided for a disconnect system for an electric vehicle. In one example, a system includes a disconnect device of an axle system, the disconnect device comprising a clip configured to engage with a first groove of an axle and a second groove of a side gear.
Methods and systems are provided for a battery system for a vehicle which comprises a plurality of battery cells housed inside an enclosure of a battery pack and a rechargeable reaction suppression system. In one example, the rechargeable reaction suppression system comprises an on-board reaction suppress system and a recharge system. The on-board reaction suppression system includes a first housing, an outlet pipe, and a first valve, a first charge of suppressing agent housed in the first housing. The recharge system comprises a second housing and a piping, a second charge of suppression agent housed in the second housing. Coordinated actuation of the first and second valves in response to sensor data during a thermal event discharges the first charge, recharges the system, and discharges the second charge to slow an exothermic reaction and mitigate subsequent thermal events.
H01M 50/383 - Flame arresting or ignition-preventing means
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/249 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
20.
SYSTEMS AND METHODS FOR MOTOR TORQUE CONTROL FOR UNIVERSAL JOINT CORRECTION
Methods and systems are provided for operating a vehicle system, including determining a motion of a universal joint in a drive axle assembly of the vehicle system and adjusting a speed of a motor of the vehicle system based on the motion of the universal joint.
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performance; Adaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
A wheel hub system. The wheel hub system includes, in one example, includes an outer bearing assembly with an inner race coupled to a hub body, a wheel flange configured to removably coupled to the hub body, and an inner bearing including an outer race that is coupled to the hub body and an inner race that is coupled to a shaft. In the wheel hub system, the hub body includes interior splines which circumferentially surround exterior splines on the shaft.
Methods and systems are provided for a battery system which comprises a plurality of battery cells housed inside a battery enclosure of a battery pack, a venting system, and a suppressing agent. The venting system comprises a dual-staged venting valve that equalizes pressure during normal operation of the battery system and a vent valve that opens to relieve pressure during a high pressure or temperature event. The suppressing agent is released into the enclosure of the battery pack to reduce further reactions by removing or limiting oxidants within the battery pack. A solenoid is coupled to the dual-staged venting valve and seals the dual-staged venting valve following release of the suppressing agent, allowing for the suppressing agent to remain in the enclosure for a longer period of time in order to provide increased mitigation of future thermal events in the battery enclosure.
H01M 50/358 - External gas exhaust passages located on the battery cover or case
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
Systems and methods for a lockable electric axle are provided. The electric axle includes a first electric machine coupled to a first drive wheel via a first gear set. The electric axle further includes a second electric machine coupled to a second drive wheel via a second gear set, and a locking clutch designed to selectively lock the rotation of a first rotor shaft and a second rotor shaft in the first and second electric machines, respectively.
B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
B60K 17/14 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing the motor of fluid or electric gearing being disposed in, or adjacent to, traction wheel
Methods and systems are shown lubricating a cylindrical bore. In one example, a lubrication system comprises a piston-shaped bore lubricator with a plunger portion including a soft, porous material arranged in an external groove at a distal end of the plunger portion, the groove including holes through which a lubricant is ejected into the soft, porous material as the plunger portion is positioned in a bore. A proximal end of the piston-shaped plunger includes threads for coupling a squeezable lubricant source bottle, where the lubricant is ejected through the felt via an actuation of the squeezable bottle, or by gravity, or via a different kind of dispenser. An outside diameter of the piston may be adjusted to fit an interior diameter of the bore, and a size of the holes may be adjusted to increase or decrease a flow rate of the lubricant.
A line of transmissions is described having a first multi-stage reduction gearbox that includes a first stage (first reduction set) having a variable ratio belt drive with a first fixed ratio, and a second stage (second reduction set) having fixed gears; and a second multi-stage reduction gearbox including a first stage having the same variable ratio belt drive as the first multi-stage reduction gearbox but with a second fixed ratio different from the first, and a second stage having the same fixed gears as the second stage of the first multi-stage reduction gearbox.
F16H 9/16 - Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
26.
DUAL DATA ENCODING IN A PULSE WIDTH MODULATION SIGNAL
Methods and systems are provided for encoding position and temperature in a pulse width modulation (PWM) signal. The method includes acquiring a PWM signal from an eddy current sensor, and determining the temperature of the eddy current sensor based on a PWM signal feature. The PWM signal feature is a PWM frequency and/or a PWM logic level.
G01S 17/14 - Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance with the pulse transmission and echo reception respectively, e.g. using counters
G01S 17/26 - Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the transmitted pulses use a frequency-modulated or phase-modulated carrier wave, e.g. for pulse compression of received signals
Methods and systems for an electric machine. The electric machine includes, in one example, a stator with end windings and a stator core and a cooling assembly with a spray ring that is directly coupled to an axial face of the stator core. In the electric machine, the spray ring is configured to spray a coolant at the end windings and includes a first section that extends down the axial face of the stator core and a second section that extends axially away from the stator core.
H02K 9/193 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with means for preventing leakage of the cooling medium
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
Systems are provided for an integrated oil shroud and pump oil pickup. In some examples, an assembly may include an oil shroud element configured to enclose a lower portion of at least one rotating gear of a gearbox, and an oil intake element with an oil filter and an oil outlet configured to couple to a pump of an oil recirculating circuit, where the oil intake element is in face-sharing contact with the oil shroud element.
A mountable vent, comprising: a first hollow portion with a seal groove; a second hollow portion in fluid communication with the first hollow portion; an extension of the second hollow portion in fluid communication with the second hollow portion; and a fastening portion with a compression limiter for at least one fastener to attach the mountable vent to a housing, where the fastening portion radially extends from the first hollow portion or the second hollow portion and is positioned between the seal groove and the extension.
Systems and methods for electric machine cooling. The electric machine, in one example, includes a cooling assembly with a coolant inlet that flows coolant into a first sealed chamber that is formed around end windings on a first axial side of the electric machine. The cooling assembly further includes a coolant outlet that receives coolant from a second sealed chamber that is formed around end windings on a second axial side of the electric machine and a coolant channel extending through a stator core and in fluidic communication with the coolant inlet and the coolant outlet.
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 9/193 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with means for preventing leakage of the cooling medium
A park lock unit and method for operation of said unit are provided. In one example, the park lock unit includes a sliding assembly that engages and disengages a parking pawl from a toothed wheel and an electronic actuation assembly configured to engage the parking pawl with the toothed wheel when electric power provided to the electronic actuation assembly drops below a threshold value. The park lock unit further includes a manual release mechanism configured to disengage the parking pawl from the toothed wheel in response to operator input.
Methods and systems are provided for an electric machine. In example, an electric machine includes a stator that electromagnetically interacts with a rotor during electric machine operation. The electric machine further includes a first gear coupled to or included in a rotor shaft, a spring assembly coupled to a first side of the rotor and exerting a first axial force on the rotor, and a second gear that meshes with the first gear and exerts a second axial force that is opposite the first axial force, where a magnitude of the second axial force corresponds to a rotor torque.
Systems are provided for a differential of an electric powertrain. In one example, a system includes a bypass valve for a multi-coolant system. The bypass valve is configured to bypass a second coolant from an electric motor in response to a temperature of a first coolant.
B60K 11/02 - Arrangement in connection with cooling of propulsion units with liquid cooling
B60K 6/22 - 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
Systems and methods for electric motor cooling. The cooling system, in one example, includes a sealing ring coupled to or formed in a stator and including a flange that axially extends outward from an axial side of the stator. The cooling system further includes a first sealing sleeve with a first sealing interface that is formed between the sealing sleeve and a motor housing and a second sealing interface that is formed between the sealing sleeve and the flange, where a cavity is formed between the sealing sleeve and the sealing ring in which a stator end winding is at least partially immersed in a coolant.
H02K 9/193 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with means for preventing leakage of the cooling medium
Multi-speed gearbox systems and methods. A multi-speed gearbox, in one example, includes a planetary assembly with a first gear set rotationally coupled to a second gear set. The multi-speed gearbox further includes a first clutch configured to selectively couple a first sun gear of the first gear set to an input shaft configured to rotationally couple to an electric machine and a second clutch configured to selectively couple a first sun gear of the second gear set to an output shaft.
F16H 3/62 - Gearings having three or more central gears
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
Systems are provided for an axle housing for a vehicle. In one example, system includes a differential housing comprising a modular Salisbury style center section comprising tube mounts configured to receive tube assemblies via a press fit.
Systems are provided for a differential carrier assembly for a vehicle. In one example, a system includes a planet carrier coupled to a differential carrier and a planet carrier comprising a plurality of planet shafts including a cutout interfacing with a pilot interface of the differential carrier.
Methods and systems are provided for a powertrain. In one example, a method for a powertrain includes adjusting a coupling between a synchronization shaft and one or more of an input shaft and an output shaft in response to a clutch drag torque. The adjusting is based on speeds of one or more of the input shaft, the synchronization shaft, and the output shaft.
Methods and systems for operating a clutch of an axle are provided. In one example, the clutch may be characterized in static or dynamic conditions. The clutch characterization may be a basis for subsequently operating the clutch during gearbox shifting. In particular, an amount of torque that is transferred via the clutch may be controlled or adjusted according to the clutch characterization.
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
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
A cable support assembly comprising a grommet, a clamp, and a single or a plurality of fasteners. Wherein, the grommet is an elastic grommet comprising clamp section and strain-relief section, and the clamp is a rigid clamp comprising an upper clamp half and a lower clamp half. Wherein, the at least one fastener may tighten the clamp halves together and affix the cable support assembly to a surface.
H02G 3/32 - Installations of cables or lines on walls, floors or ceilings using mounting clamps
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
41.
TWO SPEED ELECTRIC VEHICLE TRANSAXLE ARCHITECTURE WITH DUAL SIMPLE PLANETARY GEARSETS AND A LAYSHAFT GEAR
Methods and systems are provided for a transmission. In one example, a system includes a shifting mechanism arranged between a first planetary gearset and a second planetary gearset arranged in series, wherein the shifting mechanism is configured to adjust an operating mode to a first mode, a second mode, or a tow mode.
F16H 37/08 - Combinations 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 61/28 - Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
42.
SYSTEMS AND METHODS FOR A SEGMENTED ELECTRIC MOTOR
Methods and systems are provided for operating an electric motor including multiple rotor and stator sections. In one example, a system may include the multiple rotor sections configured to be mechanically coupled and decoupled from each other concurrently with multiple stator sections configured to be electrically coupled and decoupled from each other, within certain regimes of operation of the electric motor.
H02K 21/12 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
H02K 16/00 - Machines with more than one rotor or stator
H02P 25/18 - Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
Systems are provided for a differential of an electric powertrain. In one example, a system includes a portal axle coupled to only one side of a differential, the portal axle comprising a first axle and a second axle coaxial with one another.
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 6/445 - Differential gearing distribution type
F16H 37/08 - Combinations 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 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
F16H 48/10 - Differential gearings with gears having orbital motion with orbital spur gears
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
B60K 23/04 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
44.
System and method for controlling dog clutch actuator
Methods and systems for operating a dog clutch actuator are disclosed. In one example, the voltage that is supplied to a dog clutch actuator is gradually reduced when a dog clutch is returned to a base position via a return spring. The voltage may be reduced at a rate that is based on a temperature of a fluid in which a dog clutch may be submerged.
F16D 27/118 - Magnetically-actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with interengaging jaws or gear teeth
45.
OVERMOLDED MECHANICAL FASTENER WITH INTEGRATED SEALING
A method and system are provided for a fastening system comprising: an electrically conductive continuous unitary structure, such as an electrically conductive stud, overmolded into an enclosure, the electrically conductive stud extending from an interior of the enclosure to an exterior of the enclosure. The fastening system may act as a structural member transferring mechanical forces away from the battery enclosure, secure the battery enclosure to a mount, aid in sealing the battery enclosure, and act as an electrical grounding path for the battery through an enclosure formed of a non-electrically conductive composite material.
A valve and valve operating method are provided herein. The valve includes a rotatable cartridge that includes a pivot and a first wall that intersects and demarcates a first chamber and a second chamber and a housing. The housing includes a body that at least partially encloses the rotatable cartridge and includes at least four ports and a cap removably coupled to the housing and sealing the first chamber and the second chamber, where rotation of the rotatable cartridge about the pivot creates multiple flow paths between the at least four ports.
F16K 11/08 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks
F16K 11/085 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
F16K 27/06 - Construction of housings; Use of materials therefor of taps or cocks
Methods and systems are provided for a battery cooling enclosure. In one embodiment, the battery cooling enclosure may be incorporated in an electric vehicle and may comprise battery cooling system, including a first support rail with a first coolant inlet, a second support rail with a first coolant outlet, and a plurality of cold plate slots arranged in parallel between the first support rail and the second support rail. Each slot of the plurality of cold plate slots is coupled to a first fluid passage of the first support rail and a second fluid passage of the second support rail. The battery cooling system of the battery cooling enclosure may thus allow for cooling of a battery using a variable amount of cold plates.
Methods and systems for operating axles of a vehicle are provided. In one example, an apparatus is configured to consume a first amount of electric power to indicate a first axle operating state. The apparatus is also configured to consume a second amount of electric power to indicate a second axle operating state.
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
F16H 48/20 - Arrangements for suppressing or influencing the differential action, e.g. locking devices
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
Systems are provided for an electric motor. In one example, a rotor assembly of the electric motor includes a shaft, a lubricant distributor inserted into the shaft, the lubricant distributor comprising a first section comprising a plurality of first nozzles and a second section comprising a plurality of second nozzles, the lubricant distributor further comprising an overflow portion arranged between the first and second sections, and a stationary lance positioned adjacent to the first section of the lubricant distributor, the lance comprising a plurality of radial nozzles. The rotor assembly controls coolant flow towards the rotor and bearings, helping to decrease drag losses.
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
50.
Electric drive unit with a disconnect assembly and method for operation of said assembly
Methods and systems are provided for a disconnect assembly in an electric drive unit. In one example, the system includes a dog clutch positioned in a differential, configured to selectively mechanically decouple an electric motor from one or more drive wheels, and including a first interface designed to selectively engage a second interface. In such an example, each of the first interface and the second interface include a plurality of teeth, each tooth in the plurality of teeth includes a drive flank and a coast flank, and the coast flank has a first tooth angle greater than a second tooth angle of the drive flank.
F16H 48/24 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
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
F16D 11/10 - Clutches in which the members have interengaging parts actuated by moving a non-rotating part axially with clutching members movable only axially
F16D 27/118 - Magnetically-actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with interengaging jaws or gear teeth
51.
Electric drive axle gear train and method for manufacturing said gear train
Methods and systems for an electric drive axle of a vehicle are provided. A gear train in an electric drive axle system includes, in one example, an input shaft configured to rotationally couple to an electric motor-generator and including a first gear and an intermediate shaft including a second gear rotationally coupled to the first gear and a third gear and a fourth gear each configured to rotationally couple to a separate gear on an output shaft. In this example, the second gear, the third gear, and the fourth gear have different sizes, the third gear includes an axial extension having at outer surface, and an interior surface of the second gear circumferentially surrounds at least a portion of the outer surface of the axial extension.
F16H 3/091 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
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
B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
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
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
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 6/387 - Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
52.
Hydraulic system and method for operation of said system
Methods and systems for hydraulic actuation of axle system components are provided. A hydraulic system in an electric axle, is provided in one example, which includes a housing with a plurality of sections that enclose an electric motor and a gearbox, the system further includes a hydraulic pump that is coupled to the housing and configured to supply pressurized fluid to a solenoid valve through a plurality of fluid passages. The hydraulic system further includes a clutch in the gearbox configured to receive the pressurized fluid from the solenoid valve through a hydraulic passage internally routed through the housing.
Methods and systems for a locking differential are provided. The locking differential system includes an electromagnetic solenoid actuator designed to induce locking and unlocking of the differential and a circuit board assembly designed to programmatically control the locking and unlocking functionality. The circuit board assembly includes a sensor and control circuity enclosed in a continuous sealed enclosure, the sensor extends down the face of a coil assembly in the solenoid.
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
F16D 27/118 - Magnetically-actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with interengaging jaws or gear teeth
F16H 48/20 - Arrangements for suppressing or influencing the differential action, e.g. locking devices
F16H 48/24 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
Methods and systems for an electric axle assembly are provided herein. The electric axle assembly includes, in one example, an electric machine with a rotor shaft having an output gear thereon. The electric axle assembly further includes a planetary gearset with a carrier coupled to a pair of axle shafts, a first ring gear with external teeth that are rotationally coupled to the output gear; and a sun gear meshing with a plurality of planet gears that rotate on the carrier, where, in the axle assembly, internal teeth of the ring gear are rotationally coupled to the plurality of planet gears, and where, in the axle assembly, the sun gear or the carrier are grounded by a housing of the electric axle assembly.
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
B60K 1/00 - Arrangement or mounting of electrical propulsion units
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
55.
Disconnect assembly with a dog clutch and method for operation of the disconnect assembly
Methods and systems are provided for a differential disconnect assembly of a vehicle, the differential disconnect assembly including a dog clutch used to engage and disengage a gear of a differential of the vehicle from a transmission of the vehicle. In one example, a method for operating a dog clutch comprises de-energizing a solenoid coupled to the dog clutch to initiate dog clutch disengagement; and during disengagement of the dog clutch when a return spring coupled to a first toothed interface of the dog clutch applies a first force on the first toothed interface in a first direction away from a second toothed interface, transiently re-energizing the solenoid that applies a second force to the first toothed interface in a second direction which is opposite the first direction.
F16D 48/06 - Control by electric or electronic means, e.g. of fluid pressure
F16D 27/118 - Magnetically-actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with interengaging jaws or gear teeth
56.
Electric drive axle with a gearbox and gearbox operating method
Methods and systems for an electric drive axle are provided. An electric drive axle, in one example, includes an electric machine rotationally coupled to a gearbox which includes a higher range planetary gear set coupled to a lower range planetary gear set via a clutch. The clutch is configured to selectively rotationally couple an input gear to a sun gear in each of the higher range planetary gear set and the lower range planetary gear set in different positions or selectively rotationally couple a carrier in the higher range planetary gear set to a carrier and a sun gear in the lower range planetary gear set in different positions.
F16H 37/08 - Combinations 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
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 61/682 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for stepped gearings with interruption of drive
57.
Electric axle with compact electric machine and gear train layout
An electric axle is provided. The electric axle includes, in one example, an electric machine rotationally coupled to a layshaft via a first gear reduction and a differential rotationally coupled to the first gear reduction, a first axle shaft, and a second axle shaft. In the electric axle, the electric machine is positioned laterally between at least two drive wheels that are rotationally coupled to the first axle shaft and the second axle shaft and a rotational axis of the electric machine is axially offset from rotational axes of the at least two drive wheels.
B60K 6/36 - 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
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
F16H 37/08 - Combinations 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 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
F16H 57/037 - Gearboxes for accommodating differential gearing
F16H 57/04 - Features relating to lubrication or cooling
Methods and systems are provided for a disconnect device. In one example, a system for an electric drivetrain comprises a differential and a disconnect device arranged in a transmission housing and coupled to the differential, the disconnect device comprising a plurality of cam ring lugs engaged with a differential case, wherein each of the plurality of cam ring lugs is asymmetric.
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 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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
59.
MULTI-SPEED TRANSMISSION SYSTEM AND OPERATING METHOD
Methods and systems are provided for a multi-speed transmission. The multi-speed transmission includes a housing, an electric motor with a stator and a rotor positioned within the housing, and a planetary assembly positioned on a first axial side of the electric motor. The transmission further includes a first and second clutch unit spaced away from one another, each including a synchronizer, and designed to selectively rotationally couple to the rotor and to rotationally couple the rotor to different gears in the planetary assembly and where the electric motor and planetary assembly are coaxially arranged.
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
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 arrangements for dividing torque between two or more intermediate shafts with differential gearing
F16H 57/04 - Features relating to lubrication or cooling
F16H 3/64 - Gearings having three or more central gears composed of a number of gear trains, the drive always passing through all the trains, each train having not more than one connection for driving another train
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
F16H 57/037 - Gearboxes for accommodating differential gearing
60.
ELECTRIC AXLE WITH COMPACT ELECTRIC MACHINE AND GEARBOX ARRANGEMENT
An electric axle is provided. The electric axle includes, in one example, a first electric machine directly coupled to a first planetary gear set, a second electric machine directly coupled to a second planetary gear set and a housing. The housing includes a first section that encloses the first electric machine and the first planetary gear set, a second section that encloses the second electric machine and the second planetary gear set, and a decreased diameter section that extends between the first section and the second section.
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 6/26 - 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
Methods and systems for an electric drive axle of a vehicle are provided. An electric drive axle system includes, in one example, a gear train configured to rotationally attach to an electric motor-generator. The gear train includes an output shaft rotationally coupled to a first planetary gear assembly axially offset from an input shaft rotationally coupled to the electric motor-generator, the first planetary gear assembly configured to removably couple to a differential arranged co-axial with an axle.
Methods and systems are provided to cool an electric machine. In one embodiment, an electric machine includes a rotor assembly that includes a rotor shaft and a stack of rotor laminations. The rotor assembly further includes one or more nozzles designed to receive pressurized coolant from a rotor shaft coolant passage and deliver the coolant to a set of open coolant channels in the stack of rotor laminations, wherein the set open coolant channels includes outlets that are profiled to direct the coolant towards a groove in a balancing plate that is coupled to the rotor assembly.
H02K 9/193 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with means for preventing leakage of the cooling medium
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
A system may comprise a first plate arranged directly against a second plate and defining a gasket groove, the plates each parallel to one another and to a plane; and a gasket formed in a plane and having a sinusoidal variation in a direction normal to the plane. The first and second plate may form a bipolar plate and may be used as a component of a fuel cell. The section of the gasket with sinusoidal variation may be fit to the groove. The gasket may have a bead that may fit to a fitting, such as a gasket, on another plate or surface to seal the contents of a fuel cell.
An article of manufacture is provided having a differential carrier, the differential carrier including a forward surface having an input, the forward surface including a plurality of vertical ribs. In an example, the differential carrier may be used in a vehicle system for a rear differential of a drivetrain of the vehicle.
A temperature measurement system of a vehicle includes a controller, a first temperature sensor associated with a first location, and a second temperature sensor associated with a second location. The temperature measurement system is calibratable based upon a comparison of a temperature of the first location and a temperature of the second location, wherein the temperature of at least one of the first location and the second location is determined after a predetermined time from an end of operation of the vehicle.
G01K 7/24 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit
G01K 13/00 - Thermometers specially adapted for specific purposes
G01K 15/00 - Testing or calibrating of thermometers
66.
Multi-speed gearbox system and gearbox operating method
Methods and systems for a gearbox are provided. A multi-speed gearbox system in an electric vehicle includes, in one example, a planetary assembly designed to rotationally coupled to an electric machine and including a first planetary gear set that is rotationally coupled to a second planetary gear set that includes a first set of pinion gears and a second set of pinion gears. The multi-speed gearbox system further includes a first clutch designed to selectively ground a first component in one of the first planetary gear set and the second planetary gear set.
F16H 3/66 - Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
F16H 3/091 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
F16H 3/10 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts with one or more one-way clutches as an essential feature
F16H 3/36 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with a single gear meshable with any of a set of coaxial gears of different diameters
F16H 3/089 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
67.
METHODS AND SYSTEMS FOR A GEAR BOX WITH MULTIPLE RATIOS
Systems for an electric drive axle of a vehicle are provided. In one example, an electric drive axle system includes a gear box including a plurality of gear ratios. The plurality of gear ratios includes a fixed center distance measured from a carrier to an axle on which a plurality of gears or a plurality of pinions is arranged. Each pinion of the plurality of pinions is differently sized, wherein all pinions except for a largest pinion include a pinion baffle. Each gear of the plurality of gears is differently sized, wherein all gears except for a largest gear include a gear baffle.
F16H 57/04 - Features relating to lubrication or cooling
F16H 3/091 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 17/06 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
An electric drive axle in a vehicle is provided. The electric drive axle includes, in one example, an electric motor-generator, a gearbox, and a differential. The gearbox comprises a planetary gear set that includes a sun gear configured to rotate on a sun gear shaft directly coupled to a rotor of the electric motor-generator and an intermediate shaft that includes an idler gear rotationally coupled to a pinion gear that is rotationally coupled to the carrier.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
F16H 37/08 - Combinations 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
Systems and methods for cooling an electric motor in an electric drive unit are provided. In one example, the electric motor includes a stator and an inverter power module positioned within a motor housing. The inverter power module forms an interface with a peripheral surface of an outer section of stator laminations of the stator, and the stator laminations include a plurality of cutouts forming axially extending oil ducts.
An electric drive axle of a vehicle includes an electric motor having an output shaft. An idler assembly is drivingly coupled to the electric motor and a differential. The idler assembly includes a first gear-clutch assembly to facilitate a first gear ratio and a second gear-clutch assembly to facilitate a second gear ratio.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
B60K 6/36 - 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
F16H 3/12 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
F16H 3/093 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
An electric drive axle in a vehicle is provided. The electric drive axle includes, in one example, a housing configured to enclose an electric motor-generator and a gearbox. In the electric drive axle, the housing includes a first section that is removably coupled to a second section, the second section at least partially encloses the gearbox, the first section includes a first axle shaft opening, and the second section includes a second axle shaft opening that is laterally aligned with the first axle shaft opening.
An actuation mechanism for use in a vehicle. The actuation mechanism includes one or more motors having an output shaft with a sun gear. At least a portion of the sun gear is drivingly connected to at least a portion of one or more planetary gears. The one or more planetary gears are drivingly connected to at least a portion of a carrier, a fixed non-rotating ring gear and an output gear. The disclosure further relates to a method of operating an actuation mechanism that is drivingly connected to at least a portion of a vehicle parking mechanism. The method includes providing an actuation mechanism, providing a parking mechanism and one or more sensors that are operably configured to collect an amount of data to be analyzed. Based on the data analyzed, one or more failures within the parking mechanism may be determined and an alert may be sent.
Systems are provided for stator slots with multiple rectangular layers of differing widths. In one example, a system may include a stator including a plurality of segmented slots included around an inner circumference of the stator. Each segmented slot may contain within it legs of hairpin wires, the legs within each slot including differing widths.
Methods and systems for an electric drive axle are provided. An electric drive axle, in one example, includes an electric machine rotationally coupled to a gearbox which includes a higher range planetary gear set coupled to a lower range planetary gear set via a clutch. The clutch is configured to selectively rotationally couple an input gear to a sun gear in each of the higher range planetary gear set and the lower range planetary gear set in different positions or selectively rotationally couple a carrier in the higher range planetary gear set to a carrier and a sun gear in the lower range planetary gear set in different positions.
F16H 37/08 - Combinations 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 17/08 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
B60K 1/00 - Arrangement or mounting of electrical propulsion units
F16H 61/682 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for stepped gearings with interruption of drive
75.
Electric vehicle battery coolant heater assembly with electrical connection through gasket
A battery coolant heater assembly including a coolant manifold having liquid coolant pathways and a heat transfer surface for transferring heat to liquid coolant flowable within the coolant manifold, an electric heater element thermally contacted to the heat transfer surface of the manifold, and a cover sealably enclosing the heating element between the heat transfer surface and the cover via a gasket. The electric heater element is electrically connected via an electrical connector extending through and formed integrally with the gasket.
B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
Methods and systems are provided for sensing a clutch position. In one example, a method may include generating a single output signal by combining at least an output of a first sensor and an output of a second sensor output, the first sensor and second sensor connected in parallel, and the first sensor and the second sensor sensing a common moving element of a clutch. In one example, the method may further include a first sensor output and a second sensor output provided on a common sensor bus. As another example, the first sensor output may be a master pulse width modulation output, and the second sensor output follows a modulation frequency of the first sensor output.
Methods and systems are provided for controlling and diagnosing one or more clutches in a transmission. In one example, a method for operation of a vehicle system is provided that includes at a diagnostic controller or processing unit independent from a driveline controller or processing unit, respectively, determining an engagement state of a clutch in a transmission of the vehicle system, wherein the engagement state is selected from a group of three or more clutch engagement states. The method further includes identifying an unauthorized clutch state based on the engagement state of the clutch and a speed of the vehicle and responsive to the identification of the unauthorized clutch state, operating the vehicle system in a fault state.
Systems are described for integrating a gearbox and an electric motor in a same housing. In one example, a system may include enclosing a gearbox containing an idler gear configured to drive an accessory gear coupled to a differential.
Methods and systems are provided for a vehicle system. In one example, the vehicle system includes a first electric drive axle assembly and a second electric drive axle assembly. Each of the first and second axle assemblies has a gear train with a planetary gear set axially offset from a motor-generator and each planetary gear set is rotationally coupled to a differential.
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 37/04 - Combinations of toothed gearings only
B60K 7/00 - Disposition of motor in, or adjacent to, traction wheel
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
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 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
B60K 6/52 - Driving a plurality of drive axles, e.g. four-wheel drive
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 park lock unit and method for operation of said unit are provided. In one example, the park lock unit includes a sliding assembly that engages and disengages a parking pawl from a toothed wheel and an electronic actuation assembly configured to engage the parking pawl with the toothed wheel when electric power provided to the electronic actuation assembly drops below a threshold value. The park lock unit further includes a manual release mechanism configured to disengage the parking pawl from the toothed wheel in response to operator input.
Various methods and systems are provided for a system for cooling an electric motor. The cooling system includes a primary coolant passage through a rotor shaft linked to a plurality of secondary passages though lamination stacks of a rotor configured to receive coolant at a central region of the lamination stacks.
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
B60K 11/02 - Arrangement in connection with cooling of propulsion units with liquid cooling
H02K 9/193 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with means for preventing leakage of the cooling medium
82.
Electric motor with water jacket and oil-cooled stator and method for operation of the electric motor
Systems and methods for cooling an electric motor in an electric drive unit are provided. In one example, the electric drive unit includes electric motor with a housing with a water jacket arranged therein, a stator that includes a plurality of stator laminations positioned within the housing, and an oil inlet mounted to and extending through the housing. The plurality of stator laminations includes a radial opening that is designed to receive oil from the oil inlet and direct oil to one or more oil ducts that axially extend through at least a portion of the plurality of stator laminations.
Methods and systems are provided for operating an electric motor including multiple rotor and stator sections. In one example, a system may include the multiple rotor sections configured to be mechanically coupled and decoupled from each other concurrently with multiple stator sections configured to be electrically coupled and decoupled from each other, within certain regimes of operation of the electric motor.
H02K 21/12 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
H02K 16/00 - Machines with more than one rotor or stator
H02P 25/18 - Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
84.
Multi-stage solenoid actuator and method for operation of a multi-stage solenoid actuator
Methods and systems are provided for a multi-stage solenoid actuator. In one example, a system may include a solenoid actuator comprising a series of coils, the first coil enclosed by a first housing, the second and third coils enclosed by a second housing, and a plunger enclosed by the second housing. The method may include the first and second housing, and the plunger, moving in series, increasing the total displace of the actuator via single electric signal.
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
H01F 7/06 - Electromagnets; Actuators including electromagnets
Systems for a vehicle air duct including a passage, the passage including an inlet at a downstream portion of a front wheel well of the vehicle and an outlet upstream of a rear wheel well of the vehicle.
Methods and systems are provided for operating a solenoid actuator to engage and/or disengage a torque transmission member of a vehicle transmission. In one example, a method may include increasing the holding force of the solenoid actuator. Additionally, the solenoid actuator may include a translatable structural element that creates a moment upon touching another structural element holding the translatable element in a locked position.
F16D 27/108 - Magnetically-actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
H01F 7/08 - Electromagnets; Actuators including electromagnets with armatures
Methods and systems for an electric axle assembly are provided herein. The electric axle assembly includes, in one example, an electric machine with a rotor shaft having an output gear thereon. The electric axle assembly further includes a planetary gearset with a carrier coupled to a pair of axle shafts, a first ring gear with external teeth that are rotationally coupled to the output gear; and a sun gear meshing with a plurality of planet gears that rotate on the carrier, where, in the axle assembly, internal teeth of the ring gear are rotationally coupled to the plurality of planet gears, and where, in the axle assembly, the sun gear or the carrier are grounded by a housing of the electric axle assembly.
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
B60K 1/00 - Arrangement or mounting of electrical propulsion units
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
Systems are provided for an electronic drive unit. In one example, the electronic drive unit comprises a cooling passage integrally arranged therein, wherein the cooling passage is sealed via laminations of the stator. The laminations are further shaped to jet oil from the cooling passage onto end-windings.
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
89.
Slip detection and mitigation for an electric drive powertrain having a high ratio traction drive transmission
A method of controlling a continuously variable electric drivetrain (CVED) including a high ratio traction drive transmission and at least one of a first motor-generator and a second motor-generator is disclosed. The method includes the steps of receiving an output speed, determining a kinematic output speed, and determining a slip state of the high ratio traction drive transmission based on a comparison of the output speed to the kinematic output speed.
Methods and systems for a clutch assembly in an electric drive axle of a vehicle are provided. In one example, a clutch assembly in a gear train is provided that includes a locking clutch. The locking clutch includes a gear including a plurality of teeth having at least one tooth with a tapered end, an indexing shaft rotationally connected to an output shaft, a shift collar mounted on the indexing shaft, configured to translate on the indexing shaft into an engaged and disengaged configuration, and including a plurality of teeth on a face, where at least one tooth in the plurality of teeth in the shift collar includes a tapered end, and an indexing mechanism coupled to the shift collar and the indexing shaft and configured to accommodate for indexing between the indexing shaft and the shift collar during shift collar engagement.
F16D 47/04 - Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the following sets of groups: ; ; ; ; of which at least one is a freewheel
F16D 48/06 - Control by electric or electronic means, e.g. of fluid pressure
F16H 61/686 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for stepped gearings without interruption of drive with orbital gears
B60K 6/383 - One-way clutches or freewheel devices
B60K 6/36 - 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
Methods and systems are provided for an electrical harness. In one example, the electrical harness may include a first conductor coupled to a second conductor by a coupler where the conductors may be formed of plates arranged in parallel along a length of the first and the second conductors. The coupler may include electrical bridges of varying dimensions to maintain electrical continuity between the first conductor and the second conductor through the coupler.
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
An electric drive axle in a vehicle is provided. The electric drive axle includes, in one example, a housing configured to enclose an electric motor-generator and a gearbox. In the electric drive axle, the housing includes a first section that is removably coupled to a second section, the second section at least partially encloses the gearbox, the first section includes a first axle shaft opening, and the second section includes a second axle shaft opening that is laterally aligned with the first axle shaft opening.
Methods and systems are provided for an electrical system of a vehicle. In one example, the system may include a first electrical device and a second electrical device that moves relative to the first electrical device. The second electrical device may be coupled to the first electrical device by an electrical conduit formed of one or more plate conductors connected in series by a coupler configured to enable pivoting of the one or more plate conductors.
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
Methods and systems for an electric drive axle of a vehicle are provided. An electric drive axle system includes, in one example a gear train configured to rotationally attach to an electric motor-generator, the gear train includes an output shaft having a clutch arranged thereon and configured to selectively rotationally couple a gear to the output shaft. The gear train further includes a lubrication channel extending between an output shaft and an axle shaft and including an outlet extending through the output shaft and opening into the clutch.
F16D 25/062 - Fluid-actuated clutches in which the fluid actuates a piston incorporated in the clutch the clutch having friction surfaces
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 3/089 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
F16D 25/10 - Clutch systems with a plurality of fluid-actuated clutches
F16H 63/30 - Constructional features of the final output mechanisms
95.
Multi-speed transmission system and operating method
Methods and systems are provided for a multi-speed transmission. The multi-speed transmission includes a housing, an electric motor with a stator and a rotor positioned within the housing, and a planetary assembly positioned on a first axial side of the electric motor. The transmission further includes a first and second clutch unit spaced away from one another, each including a synchronizer, and designed to selectively rotationally couple to the rotor and to rotationally couple the rotor to different gears in the planetary assembly and where the electric motor and planetary assembly are coaxially arranged.
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
B60K 1/00 - Arrangement or mounting of electrical propulsion units
F16H 57/04 - Features relating to lubrication or cooling
F16H 37/08 - Combinations 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 3/64 - Gearings having three or more central gears composed of a number of gear trains, the drive always passing through all the trains, each train having not more than one connection for driving another train
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
F16H 57/037 - Gearboxes for accommodating differential gearing
F16H 61/686 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for stepped gearings without interruption of drive with orbital gears
Methods and systems for a vehicle transmission are provided. A transmission system includes, in one example, an intermediate shaft rotationally coupled to an input shaft and an output shaft, wherein the input shaft is configured to receive rotational input from an electric machine. The system further includes a first gear coupled to the intermediate shaft, and a plurality of clutches coupled to the input shaft and the output shaft and configured to in a first mode, transfer power directly between a second gear coupled to the input shaft, the first gear, and a third gear coupled to the output shaft, and in a second mode, transfer power indirectly between the second gear, the first gear, and/or the third gear.
A line of vehicle transmissions is provided. The vehicle line includes a first multi-stage gear train assembly with at least two stages, a second multi-stage gear train assembly with at least three stages, and a housing including a first section removably attached to a second section. The second housing section is configured to receive the first and second multi-stage gear train assemblies in different product arrangements.
Methods and systems are provided for diagnostics and/or prognostics of a vehicle center bearing with integrated sensors. A method includes generating a degradation analysis of the center bearing from real-time vehicle operating data, the data including feedback from one or more of a temperature sensor, a displacement sensor, and an accelerometer wired to a battery integrally arranged in a bearing compartment of a vehicle.
Methods and systems for a locking differential are provided. The locking differential system includes an electromagnetic solenoid actuator designed to induce locking and unlocking of the differential and a circuit board assembly designed to programmatically control the locking and unlocking functionality. The circuit board assembly includes a sensor and control circuity enclosed in a continuous sealed enclosure, the sensor extends down the face of a coil assembly in the solenoid.
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
F16H 48/20 - Arrangements for suppressing or influencing the differential action, e.g. locking devices
F16H 48/24 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
F16D 27/118 - Magnetically-actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with interengaging jaws or gear teeth
100.
Dual sensor system and method for a differential disconnect axle assembly
Methods and systems for a locking differential are provided. The locking differential system includes an electromagnetic solenoid actuator configured to induce locking and unlocking of the differential and a circuit board assembly designed to programmatically control the locking and unlocking functionality. The circuit board assembly includes a multi-sensor sub-assembly having two or more sensor configured to monitor a position of the electromagnetic solenoid actuator.
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
F16H 48/24 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
F16H 48/20 - Arrangements for suppressing or influencing the differential action, e.g. locking devices
F16D 27/00 - Magnetically-actuated clutches; Control or electric circuits therefor
patents
