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    Two-speed transmission for electric vehicle including a pair of mechanical diodes that are individually engaged to provide two gear ratios
    1.
    发明授权
    Two-speed transmission for electric vehicle including a pair of mechanical diodes that are individually engaged to provide two gear ratios 有权

    公开(公告)号：US11346429B2

    公开(公告)日：2022-05-31

    申请号：US17208855

    申请日：2021-03-22

    Applicant: AVL Powertrain Engineering, Inc.

    Inventor： Gregory Mordukhovich ,  Hamid Vahabzadeh

    IPC: F16H3/46 ,  B60K17/08 ,  F16H3/44

    Abstract: A two-speed transmission for an electric vehicle includes a planetary gear set selectively coupling an input shaft and an output shaft. The planetary gear set is configured to provide two forward gear ratios and neutral. The planetary gear set includes at least one sun gear, at least one pinion in meshing engagement with the at least one sun gear, at least one ring gear meshingly engaged with the at least one pinion, and a carrier. The carrier supports the at least one pinion and is connected to the output shaft such that rotation of the carrier drives the output shaft. The two-speed transmission also includes one or more elements that rotatably couple the at least sun gear, the at least one pinion, the at least one ring gear, the input shaft, and the carrier with one another and/or a ground. Examples of such elements include clutches, brakes, and mechanical diodes.

    Torque split dual-clutch transmission
    2.
    发明授权
    Torque split dual-clutch transmission 有权

    公开(公告)号：US10221921B2

    公开(公告)日：2019-03-05

    申请号：US14941484

    申请日：2015-11-13

    Applicant: AVL Powertrain Engineering, Inc.

    Inventor： Gregory Mordukhovich

    IPC: F16H3/08 ,  F16H3/097 ,  F16H37/04 ,  F16H3/00 ,  F16H3/093

    Abstract: A torque split dual-clutch transmission assembly is disclosed that splits the torque generated by an engine between at least two sets of transfer gears that are selectively coupled to first and second layshafts or intermediate shafts. A first input hub is connected to the first layshaft by a first clutch and a second input hub is connected to the second layshaft by a second clutch. A first gearset is carried on the first layshaft and a second gearset is carried on the second layshaft. Each set of transfer gears receives torque from either the transmission input shaft or the first and second layshafts in response to contemporaneous engagement of the first clutch and the second clutch, which can be used during vehicle launch to split the torque applied to the first and second clutches.

    Engine turbo-compounding system
    3.
    发明授权
    Engine turbo-compounding system 有权

    公开(公告)号：US10072562B2

    公开(公告)日：2018-09-11

    申请号：US15050877

    申请日：2016-02-23

    Applicant: AVL Powertrain Engineering, Inc.

    Inventor： Gary L. Hunter ,  Gustav R. Johnson

    IPC: F02B37/00 ,  F02B37/013 ,  F02B37/18 ,  F02B41/10

    CPC classification number: F02B37/013 ,  F02B37/001 ,  F02B37/004 ,  F02B37/18 ,  F02B41/10 ,  Y02T10/144 ,  Y02T10/163

    Abstract: A turbo-compounding system may include a first turbine, a turbocharger, a bypass passageway and a valve. The first turbine may include an inlet in fluid communication with an exhaust manifold and an outlet in fluid communication with a fluid passageway. The first turbine may be drivingly coupled to an engine. The turbocharger includes a first compressor and a second turbine. The first compressor receives an intake fluid at a first pressure and discharges the intake fluid at a second pressure. The second turbine may drive the first compressor and receive exhaust gas from the fluid passageway downstream of the outlet of the first turbine. The bypass passageway may include a first end fluidly coupled with the engine exhaust manifold and a second end fluidly coupled with the fluid passageway downstream from the first turbine and upstream of the second turbine. The valve controls fluid-flow through the bypass passageway.

    Multi-level torque clutch
    5.
    发明授权
    Multi-level torque clutch 有权

    公开(公告)号：US09920795B2

    公开(公告)日：2018-03-20

    申请号：US14956861

    申请日：2015-12-02

    Applicant: AVL Powertrain Engineering, Inc.

    Inventor： Gregory Mordukhovich ,  Michael Kozan

    IPC: F16D25/063 ,  F16D13/70 ,  F16D13/52 ,  F16D25/0638

    CPC classification number: F16D13/70 ,  F16D13/52 ,  F16D25/0638

    Abstract: A clutch assembly is disclosed having a clutch housing and a shaft. A clutch pack selectively couples rotation of the clutch housing and the shaft. The clutch pack includes a primary backing plate, a reaction plate, first and second friction plates disposed between the backing plate and the reaction plate, and a secondary backing plate disposed between the first and second friction plates. A first actuator selectively applies pressure to the reaction plate to move the reaction plate toward the primary backing plate. A second actuator controls movement of the secondary backing plate to switch the clutch pack between a low torque state and a high torque state. In the low torque state, the secondary backing plate cannot move longitudinally toward the primary backing plate beyond a locked position. In the high torque state, the secondary backing plate can move beyond the locked position.

    Clutch with opposite load application
    7.
    发明授权
    Clutch with opposite load application 有权

    公开(公告)号：US09677622B2

    公开(公告)日：2017-06-13

    申请号：US15051085

    申请日：2016-02-23

    Applicant: AVL Powertrain Engineering, Inc.

    Inventor： Gregory Mordukhovich ,  Michael Kozan

    IPC: B60W10/18 ,  F16D13/52 ,  F16D13/46

    CPC classification number: F16D13/52 ,  F16D13/46 ,  F16D25/0638

    Abstract: A clutch assembly that is less prone to overheating is disclosed. The clutch assembly includes a clutch housing, a shaft, and a clutch pack. The clutch pack includes a first apply plate, a second apply plate, a plurality of friction plates, and a plurality of reaction plates. The clutch assembly further includes a first actuator and a second actuator. The first actuator applies pressure to the first apply plate in a first direction to move the first apply plate toward the second apply plate. The second actuator applies pressure to the second apply plate in a second direction to move the second apply plate toward the first apply plate. The first direction is opposite the second direction such that the first and second actuators apply pressure to the clutch pack in opposing directions. This reduces localized temperature spikes in the clutch pack.

    Vehicle axle assembly
    8.
    发明授权
    Vehicle axle assembly 有权

    公开(公告)号：US11465445B2

    公开(公告)日：2022-10-11

    申请号：US16892410

    申请日：2020-06-04

    Applicant: AVL Powertrain Engineering, Inc.

    Inventor： Bruce Falls ,  Adrian Quintana

    IPC: B60B35/12 ,  B60K17/04 ,  B60K17/10 ,  B60K1/00 ,  B60K17/16 ,  B62D21/11

    Abstract: An axle assembly for a vehicle includes a frame, a motor, and a pair of gear reduction subassemblies. The frame extends between a first distal end and a second distal end. The second distal end opposes the first distal end. The motor is secured to the frame between the first distal end and the second distal end. The pair of gear reduction subassemblies are rotatably coupled to the first distal end and the second distal end and configured to drive rotation from the motor to a pair of wheels. Each gear reduction subassembly includes a plurality of gears defining a plurality of gear ratios.

    Two-speed transmission for electric vehicle including a pair of mechanical diodes that are individually engaged to provide two gear ratios
    9.
    发明授权
    Two-speed transmission for electric vehicle including a pair of mechanical diodes that are individually engaged to provide two gear ratios 有权

    公开(公告)号：US10955030B2

    公开(公告)日：2021-03-23

    申请号：US16926889

    申请日：2020-07-13

    Applicant: AVL Powertrain Engineering, Inc.

    Inventor： Gregory Mordukhovich ,  Hamid Vahabzadeh

    IPC: F16H3/46 ,  B60K17/08 ,  F16H3/44

    Abstract: A two-speed transmission for an electric vehicle includes a planetary gear set selectively coupling an input shaft and an output shaft. The planetary gear set is configured to provide two forward gear ratios and neutral. The planetary gear set includes at least one sun gear, at least one pinion in meshing engagement with the at least one sun gear, at least one ring gear meshingly engaged with the at least one pinion, and a carrier. The carrier supports the at least one pinion and is connected to the output shaft such that rotation of the carrier drives the output shaft. The two-speed transmission also includes one or more elements that rotatably couple the at least sun gear, the at least one pinion, the at least one ring gear, the input shaft, and the carrier with one another and/or a ground. Examples of such elements include clutches, brakes, and mechanical diodes.

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