发明授权
US5665020A Automatic transmission control system 失效
自动变速器控制系统

Automatic transmission control system
摘要:
A control system for an automatic transmission having at least a friction coupling element which is coupled with a hydraulic pressure increasing by way of a leveled transitional pressure has an accumulator which discharge a high level of pressure accumulated therein into the fiction coupling element during a gear shift under the condition where the line pressure is low.
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