Outboard engine

Details Outboard engine Outboard engine

B - Operations, Transporting

63

H

B63H 20/00 (2006.01) F01M 1/02 (2006.01) F02B 61/04 (2006.01) F02B 75/22 (2006.01) F02F 7/00 (2006.01) F02B 1/04 (2006.01) F02B 75/02 (2006.01) F02B 75/18 (2006.01)

Patent

CA 2369372

It is intended to provide an outboard engine that can be decreased in size and weight by decreasing the size and weight of a connecting portion between an engine body and a mount case that are united together via, a pump body of an oil pump. For this purpose, the outboard engine comprises an engine having a crankshaft (36) extending vertically, a flywheel 56 provided on the crankshaft (36) below the engine body, an oil pump (58), and a flywheel chamber (59) defined by a pump body (65) of the oil pump (58) united to coupling walls 61, 62 of the engine body to accommodate the flywheel 56; and a mount case (4) having a support wall 64 for uniting the engine body. The engine body is united with its coupling walls (61, 62) to the support wall (64) via an outer circumferential wall (63) of the pump body (65) such that the coupling walls (61, 62), outer circumferential wall (63) and support wall (64) overlap in the direction of a rotation axis of the crankshaft (36).

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