Foley & Lardner LLP
Coast stop vehicle and control method thereof
An oil pump driven by an engine generates a hydraulic pressure supplied to a frictional engagement element. An accumulator provided at an intermediate position of an oil path supplies the hydraulic pressure generated by the oil pump to the frictional engagement element. A controller stops the engine after a hydraulic pressure reducing condition to reduce the hydraulic pressure supplied to the frictional engagement element holds and the hydraulic pressure supplied to the frictional engagement element is reduced.
JATCO Ltd
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Naohiro Noritaka Shinichiro Keichi
Yamada Aoyama Watanabe Tatewaki