Breather arrangement for cam case of internal combustion engine

Details Breather arrangement for cam case of internal combustion engine Breather arrangement for cam case of internal combustion engine

1986-01-27

1987-03-24

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123 9027, F02B 4708

Patent

active

046517049

ABSTRACT:
A breather arrangement for an internal combustion engine includes a hollow cam shaft which is disposed in a cam case of the engine. Blow-by gas in the cam case is admitted into an axial bore of the cam shaft, while oil entrained by the gas is separated by centrifugal forces due to rotation of the cam shaft. This allows only the blow-by gas to be recirculated to an intake system of the engine.

REFERENCES:
patent: 3326198 (1967-06-01), Jackson
patent: 4205642 (1980-06-01), Nishimura et al.
patent: 4270508 (1981-06-01), Lindberg
patent: 4329968 (1982-05-01), Ishikawa et al.

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