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公开(公告)号：US10670385B2
公开(公告)日：2020-06-02
申请号：US15972564
申请日：2018-05-07
Applicant: GM Global Technology Operations LLC
Inventor： Azeem Sarwar , Gregory W. Deneszczuk
IPC: G01B7/14 , G01M13/021 , G01M1/16
Abstract: A device and associated method for monitoring a rotatable member is described, and includes a target wheel coupled to the rotatable member, and a sensor that is disposed to monitor the target wheel. The sensor is configured to generate a signal associated with rotation of the target wheel. A controller is in communication with the sensor and includes an instruction set that is executable to dynamically monitor the signal generated by the sensor during rotation of the target wheel and determine a magnitude of an airgap between the sensor and the target wheel based upon the signal. A variation in the magnitude of the airgap between the sensor and the target wheel can be determined based upon the signal, and a fault associated with the rotating member can be determined based upon the variation in the magnitude of the airgap.
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公开(公告)号：US20190339054A1
公开(公告)日：2019-11-07
申请号：US15972564
申请日：2018-05-07
Applicant: GM Global Technology Operations LLC
Inventor： Azeem Sarwar , Gregory W. Deneszczuk
Abstract: A device and associated method for monitoring a rotatable member is described, and includes a target wheel coupled to the rotatable member, and a sensor that is disposed to monitor the target wheel. The sensor is configured to generate a signal associated with rotation of the target wheel. A controller is in communication with the sensor and includes an instruction set that is executable to dynamically monitor the signal generated by the sensor during rotation of the target wheel and determine a magnitude of an airgap between the sensor and the target wheel based upon the signal. A variation in the magnitude of the airgap between the sensor and the target wheel can be determined based upon the signal, and a fault associated with the rotating member can be determined based upon the variation in the magnitude of the airgap.
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公开(公告)号：US10215237B2
公开(公告)日：2019-02-26
申请号：US15223402
申请日：2016-07-29
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Gregory W. Deneszczuk , Manuel Martinez Sanchez
Abstract: A multiple-piece backing plate and a friction clutch assembly for an automotive transmission are provided. The multiple-piece backing plate includes a cap part and a main body backing plate. The cap part is formed of a first material. The main body backing plate is attached to the cap part, and the main body backing plate is formed of a second material, where the second material is different than the first material. The friction clutch assembly includes first clutch plates coupled to a first transmission member and second clutch plates interleaved with the first clutch plates and coupled to a second transmission member. The friction clutch assembly is configured to be moved between an engaged position and a disengaged position. In the engaged position, the first and second transmission members are coupled together by compressing the first and second clutch plates directly against the cap part.
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