F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
F02B 67/04 (2006.01) B62M 23/02 (2010.01) F01M 1/02 (2006.01) F01M 11/02 (2006.01)
Patent
CA 2498953
In a four-cycle single-cylinder engine in which a crankshaft is rotatably borne on a crankcase through a pair of bearings and in which a wrapping driving wheel for transmitting the rotational power of the crankshaft to a camshaft of a valve-operating device and a driving gear for transmitting the rotational power of the crankshaft to an oil pump are firmly attached to the crankshaft, the driving gear (127) is disposed on the outer side of one (48) of both the bearings (47, 48), and the wrapping driving wheel (78) is disposed on the further outer side of the driving gear (127). This enables the width of the engine to be reduced in the direction along the axis of the crankshaft.
L'invention concerne un moteur à cylindre unique à quatre cycles, qui comprend un vilebrequin soutenu rotatif sur un carter par une paire de paliers. Sont fixés au vilebrequin, une roue menante aux fins de connexion enroulée et de transmission de la puissance de rotation du vilebrequin à un arbre à came de dispositif actionneur de vanne, et un pignon de commande aux fins de transmission de la puissance de rotation du vilebrequin à une pompe à huile. Un pignon de commande (127) est prévu sur un côté externe de l'un (48) des paliers (47, 48), et il existe sur un côté externe de ce pignon (127) une roue menante (78) aux fins de connexion enroulée. Cette configuration permet de réduire la largeur d'un moteur dans une direction le long de l'axe du vilebrequin.
Muraoka Yuuki
Sakamoto Masami
Wachigai Kaoru
Watanabe Satoru
Honda Giken Kogyo Kabushiki Kaisha
Smart & Biggar
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