V-type engine

Details V-type engine V-type engine

2008-07-24

2009-10-06

Kamen, Noah (Department: 3741)

Internal-combustion engines

Poppet valve operating mechanism

Camshaft drive means

C123S192200

Reexamination Certificate

active

07597077

ABSTRACT:
A V-type engine includes a housing, a crankshaft, a counterbalance shaft, a first camshaft, and a second camshaft. The crankshaft, the counterbalance shaft, the first camshaft, and the second camshaft are rotatably supported by the housing. The crankshaft has a crankpin. In one embodiment, an imaginary plane perpendicular to the rotational axis of the crankshaft intersects each of the crankpin and the counterbalance shaft such that the crankshaft is operatively coupled with each of the counterbalance shaft and the first camshaft on one side of the imaginary plane, and the counterbalance shaft is operatively coupled with the second camshaft on an opposite side of the imaginary plane. The V-type engine may be included in a vehicle.

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patent: 6718934 (2004-04-01), Ohsawa
patent: 2002/0038644 (2002-04-01), Korenjak

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