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公开(公告)号：US11598409B2
公开(公告)日：2023-03-07
申请号：US16914070
申请日：2020-06-26
摘要： Methods and systems are provided for adjusting a lubrication system based on an axle configuration of a tandem axle with a disconnect feature. In one example, a method may include adjusting an oil level in an axle sump of a tandem axle based on an axle configuration of the tandem axle (e.g., whether the tandem axle is operating with one of a 6×4 axle configuration and a 6×2 axle configuration), the axle sump selectably coupled to an external reservoir via a first passage and a second passage, the first passage including an electric pump, the second passage including a valve, and the tandem axle coupled to a drivetrain of a motor vehicle. In this way, an amount of oil in the axle sump may be adjusted based on the tandem axle configuration.
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公开(公告)号：US20230054823A1
公开(公告)日：2023-02-23
申请号：US17445567
申请日：2021-08-20
发明人： Jeffrey M. DAVID
摘要： Methods and systems for operating a driveline that includes two electric machines are described. In one example, one electric machine is operated in a generator mode and the other electric machine is operated in a motor mode so that electric power that is generated by the electric machine that is operated in the generator mode is consumed by the electric machine that is operated in the motor mode.
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公开(公告)号：US20230020675A1
公开(公告)日：2023-01-19
申请号：US17936808
申请日：2022-09-29
摘要： Systems for estimating an axle load of a vehicle wherein axle load is estimated in response to an angle between two components of an axle. The angle may change as weight is added to or removed from the axle such that axle load may be determined as a function of the angle.
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4.发明授权公开(公告)号：US11498362B2
公开(公告)日：2022-11-15
申请号：US16713214
申请日：2019-12-13
摘要： A tone wheel assembly includes a tone wheel. A first member is attached to the tone wheel. A second member is at least partially disposed around a portion of the first member. The second member includes a collar portion, one or more first leg portions extending axially from the collar portion, and one or more second leg portions extending axially from the collar portion. The one or more first leg portions include a first leg portion protuberance that extends radially from an outer surface of the one or more first leg portions. The one or more second leg portions include a second leg portion protuberance that extends radially from an outer surface of the one or more second leg portions.
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公开(公告)号：US11486490B1
公开(公告)日：2022-11-01
申请号：US17242074
申请日：2021-04-27
发明人： Brian V. Knapke , Ned W. Wright
IPC分类号： F16H7/04 , F16H57/03 , F16H48/10 , F16H57/04 , F16H57/037
摘要： Systems for a differential are provided. The differential includes two sets of pinion gears with an asymmetric split tooth profile. A case of the differential includes a plurality of lubrication ports which open adjacent to untoothed sections of one set of pinion gears and in a drive mode and an outboard axial load is exerted on the corresponding set of pinion gears.
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公开(公告)号：US20220341490A1
公开(公告)日：2022-10-27
申请号：US17242074
申请日：2021-04-27
发明人： Brian V. KNAPKE , Ned W. WRIGHT
IPC分类号： F16H57/04 , F16H48/10 , F16H57/037
摘要： Systems for a differential are provided. The differential includes two sets of pinion gears with an asymmetric split tooth profile. A case of the differential includes a plurality of lubrication ports which open adjacent to untoothed sections of one set of pinion gears and in a drive mode and an outboard axial load is exerted on the corresponding set of pinion gears.
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公开(公告)号：US20220307596A1
公开(公告)日：2022-09-29
申请号：US17214663
申请日：2021-03-26
摘要： Methods and systems are provided for an actuation system for a parking mechanism in a transmission system of a vehicle. In one example, a system may include a protrusion positioned at one end of a higher diameter portion of a cam, the protrusion positioned to contact a pawl upon engagement of the pawl with a parking gear.
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8.发明授权公开(公告)号：US11441612B1
公开(公告)日：2022-09-13
申请号：US17315070
申请日：2021-05-07
发明人： William F. Waltz
摘要： Various methods and systems are provided for a multi-speed electric axle assembly. The multi-speed electric axle assembly includes a grounding plate with an outer interface coupled to a housing interface and an inner stepped splined interface designed to selectively mate with a clutch sleeve. In the assembly, the inner stepped splined interface includes a plurality of steps that each include a first side that perpendicularly intersects a second side and the first side of each step in the inner stepped splined interface includes a clearance between the first side and a stepped surface of the clutch sleeve.
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公开(公告)号：US20220176753A1
公开(公告)日：2022-06-09
申请号：US17652776
申请日：2022-02-28
摘要： Systems and methods for determining the health of a seal in a tire inflation system are provided. In one example, a method of determining the health of a seal of a tire inflation system on a vehicle includes obtaining one or more pressure measurements of a tire of the vehicle with a pressure transducer in communication with an electronic control unit and sending the one or more pressure measurements to a computer network via a communication network that receives signals from the electronic control unit, the communication network including a telematics device in communication with the computer network, wherein the computer network is configured to determine the health of the seal based on the one or more pressure measurements communicated by the telematics device.
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公开(公告)号：US20220161645A1
公开(公告)日：2022-05-26
申请号：US17103402
申请日：2020-11-24
IPC分类号： B60K1/00 , F16H57/031 , B60K17/04 , F16H37/04
摘要： Methods and systems are provided for an electric axle assembly. In one example, a system, includes a cover plate for a head assembly, wherein a cross-member is integrated into the cover plate and configured to attach to a vehicle frame.
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