Breather apparatus for engine

Details Breather apparatus for engine Breather apparatus for engine

1999-11-23

2000-11-07

McMahon, Marguerite

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123 552, F01M 1304, F01L 102

Patent

active

061421294

ABSTRACT:
To provide a breather apparatus for a horizontally-opposed type or a V-type engine in which first and second cylinder blocks having first and second cylinder bores are commonly connected to a crank case in such a manner that the axial line of the first cylinder bore is offset from the axial line of the second cylinder bore to one side of the crank shaft along the axial line of the crank shaft. A cam chain chamber is provided in the crank case, the cylinder blocks and the cylinder heads on one side of the crank shaft along the axial line of the crank shaft. Furthermore, a breather chamber is formed in the second cylinder block, the second cylinder head, and the crank case at a position between the cam chain chamber and the second cylinder bore. The breather chamber has a relatively large capacity, while enlargement of the engine is avoided.

REFERENCES:
patent: 5690084 (1997-11-01), Gunji et al.
patent: 5937836 (1999-08-01), Yonezawa et al.

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