Blowby gas path structure of internal combustion engine

Details Blowby gas path structure of internal combustion engine Blowby gas path structure of internal combustion engine

1999-05-21

2000-05-23

Mc Mahon, Marguerite

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

F01M 1300

Patent

active

060654589

ABSTRACT:
A blowby gas path structure for an internal combustion engine prevents deterioration in an oil separating function of a breather chamber of a head cover by reducing oil mist conveyed therethrough. The blowby gas path structure includes a plurality of blowby gas paths. The plurality of blowby gas paths have different path sectional areas. Ends of the gas paths are opened to a crank chamber of an internal combustion engine and pass through a cylinder block and a cylinder head. The other ends of the gas paths are opened to a breather chamber of a head cover and open at a communication chamber.

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patent: 5664549 (1997-09-01), Hutchins
patent: 5690084 (1997-11-01), Gunji et al.
patent: 5937836 (1999-08-01), Yonezawa et al.

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