Invention Application
US20110290609A1 TRANSMISSION HAVING SEVERAL FRICTIONALLY ENGAGED SHIFTING ELEMENTS 审中-公开
具有几个摩擦接合元件的传动

TRANSMISSION HAVING SEVERAL FRICTIONALLY ENGAGED SHIFTING ELEMENTS
Abstract:
A transmission (1) having a plurality of frictionally engaging shift elements (A to C) which are engaged or disengaged in order to obtain various gear ratios. The permissible surface pressure in the area of friction surfaces of connecting elements (B, C) that can be brought into mutual frictional engagement, which are engaged during upshifts to produce a gear ratio, is lower than the permissible surface pressure in the area of friction surfaces of disconnecting elements (A) that can be brought into mutual frictional engagement which, in each case, are only disengaged during upshifts to produce gear ratios.
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