F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
F02B 75/04 (2006.01) F02D 15/02 (2006.01)
Patent
CA 2681616
The invention relates to a hydroelectric device for controlling the compression rate of a variable compression-rate engine, that comprises at least one dual-flow electrovalve (81) with no check valve and capable of opening and closing at least one hydraulic fluid duct (83) between the upper chamber (121) and the lower chamber (122) of a control jack (8), at least one position sensor (82) of a control rack (7), an angular position sensor (88) of the crankshaft (9) of the engine for adjusting the compression rate, and at least one calculator (84).
Le dispositif électrohydraulique de pilotage du taux de compression d'un moteur à taux de compression variable, suivant la présente invention comprend au moins une électrovanne (81 ) à double sens ne comportant aucun clapet anti-retour et pouvant ouvrir ou fermer au moins un conduit de fluide hydraulique (83) entre la chambre supérieure (121 ) et inférieure (122) d'un vérin de commande (8), au moins un capteur de position (82) d'une crémaillère de commande (7), un capteur de position angulaire (88) du vilebrequin (9) du moteur pour régler le taux de compression et au moins un calculateur (84).
Rabhi Vianney
Robic
LandOfFree
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