Invention Application
- Patent Title: STEEL CLUTCH HOUSING HAVING SPRAYED ON COATING
- Patent Title (中): 带涂层的钢离合器外壳
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Application No.: US14936080Application Date: 2015-11-09
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Publication No.: US20170016492A1Publication Date: 2017-01-19
- Inventor: SCOTT WILLIAM HEITZENRATER , Fred D. Lewis , Daniel Richard White
- Applicant: GM Global Technology Operations LLC
- Main IPC: F16D25/12
- IPC: F16D25/12 ; F16D13/74

Abstract:
The present invention provides a stamped steel friction clutch hubs or housings for use in automatic motor vehicle transmissions having a sprayed on hard steel or ceramic coating on wear surfaces. The clutch hub or housing is fabricated of steel which is stamped and of unitary construction. The clutch hub or housing is complexly configured and includes a center through opening having an inner surface which is contacted by a pair of resilient, axially spaced apart seals. The housing also includes a larger diameter portion having female splines which engage male splines on the periphery of a portion of the clutch plates. The inner surface which is contacted by the resilient seals includes a thin layer of sprayed steel or ceramic material that is machined after application to a desired diameter and surface finish.
Public/Granted literature
- US10066676B2 Steel clutch housing having sprayed on coating Public/Granted day:2018-09-04
Information query
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