公开(公告)号：US20170370423A1

公开(公告)日：2017-12-28

申请号：US15190959

申请日：2016-06-23

Applicant: GM Global Technology Operations LLC

Inventor： Jose R. Morales ,  Gregory W. Deneszczuk

IPC: F16D13/64 ,  F16D69/00

CPC classification number: F16D13/648 ,  B60T1/062 ,  F16D55/36 ,  F16D65/127 ,  F16D69/00

Abstract: The invention comprehends friction plates, typically fabricated of metal, having friction material that is disposed in multiple concentric bands disposed in interrupted or discontinuous segments or a combination of both. In a first embodiment, the friction material is arranged in two concentric bands on each face, an inner band having a smaller radial width and an outer band having a larger radial width. In a second embodiment, the inner band is replaced with a plurality of discontinuous sections or segments wherein their circumferential separation is greater than their circumferential length. A third embodiment is similar to the second embodiment except that the inner, discontinuous segments have a circumferential length greater than their circumferential separation.