F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
F02D 15/02 (2006.01) F01B 9/02 (2006.01) F02B 75/04 (2006.01) F02B 75/32 (2006.01)
Patent
CA 2558354
The invention relates to an adjustment device for a variable compression ratio engine. According to the invention, an engine block (100) is equipped internally with a transmission device (1) comprising, for at least one piston (2), a transmission member (3) which co-operates with (i) a rolling guide device (4) and (ii) a sprocket wheel (5), said sprocket wheel (5) co-operating with a control rack (7), on the opposite side from the transmission member (3). Moreover, the vertical position of the control rack in relation to the engine block (100) is adjusted by a control device (12). In addition, the adjustment device comprises: means for adjusting the position of the transmission device (1), which are disposed at the rolling guide device (4); and means for adjusting the working clearance of the transmission device (1), which are disposed at the control rack (7).
Le dispositif de réglage pour moteur à rapport volumétrique variable suivant la présente invention comporte dans un bloc moteur (100), un dispositif de transmission (1) constitué pour au moins un piston (2) d~un organe de transmission (3) coopérant, d~une part avec un dispositif de guidage à roulement (4), et d~autre part avec une roue dentée (5), ladite roue dentée (5) coopérant à l~opposé de l~organe de transmission (3) avec une crémaillère de commande (7) dont la positon verticale par rapport au bloc moteur (100) est réglée par un dispositif de contrôle (12), ledit dispositif de réglage comprend au niveau du dispositif de guidage à roulement (4) des moyens de réglage du positionnement du dispositif de transmission (1), et au niveau de la crémaillère de commande (7) des moyens de réglage des jeux fonctionnels du dispositif de transmission (1).
Rabhi Vianney
Robic
LandOfFree
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