作者: Vianney Rabhi
DOI:
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摘要: The invention relates to a hydroelectric device for controlling the compression rate of variable compression-rate engine, that comprises at least one dual-flow electrovalve (81) with no check valve and capable opening closing hydraulic fluid duct (83) between upper chamber (121) lower (122) control jack (8), position sensor (82) rack (7), an angular (88) crankshaft (9) engine adjusting rate, calculator (84).