Oil spray lubrication and cooling device for a variable...

Details Oil spray lubrication and cooling device for a variable... Oil spray lubrication and cooling device for a variable...

F - Mech Eng,Light,Heat,Weapons

01

P

F01P 3/08 (2006.01) F01B 9/04 (2006.01) F02B 75/04 (2006.01)

Patent

CA 2640841

The invention relates to an oil spray lubrication and cooling device for a variable compression ratio engine, including at least one injector (701, 712, 713) which is placed in the engine block (100) of the variable compression ratio engine such as to spray oil onto at least one of the moving components of the engine. The aforementioned moving components include at least one piston (2), the lower part of which is solidly connected to a transmission element (3) that co-operates with a rolling guide device (4) and a toothed wheel (5) which co-operates with (i) a connecting rod (6) which is connected to a crankshaft (9) and (ii) a control rack (7) opposite the transmission element (3). The vertical position of the control rack in relation to the engine block (100) is controlled by a control device (12).

Le dispositif de refroidissement et de lubrification par projection d'huile pour moteur à rapport volumétrique variable suivant la présente invention comprend au moins un injecteur (701 , 712, 713) qui est placé dans le bloc moteur (100) dudit moteur à rapport volumétrique variable de manière à projeter de l'huile sur au moins un des composants mobiles dudit moteur, lesdits composants mobiles étant constitués au moins d'un piston (2) solidaire dans sa partie inférieure d'un organe de transmission (3) coopérant avec un dispositif de guidage à roulement (4) et une roue dentée (5), ladite la roue dentée (5) coopérant d'une part avec une bielle (6) reliée à un vilebrequin (9) et d'autre part à l'opposé de l'organe de transmission (3) avec une crémaillère de commande (7) dont la position verticale par rapport au bloc moteur (100) est pilotée par un dispositif de contrôle (12).

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