Engine blowby gas processing system

Details Engine blowby gas processing system Engine blowby gas processing system

2005-03-22

2005-03-22

McMahon, Marguerite (Department: 3747)

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

Reexamination Certificate

active

06868843

ABSTRACT:
A blowby gas processing system includes a breather tube extended from a breather port of an engine and connected to a connecting tube. A breather tube inside which an intake passage connecting a carburetor and an air cleaner is formed and an expanded part provided with a gas-liquid separating chamber adjacent to the intake passage are provided. An entrance joint connecting a lower part of the gas-liquid separating chamber to the breather tube is integrated on one side of the connecting tube and a blowby gas exit communicating the upside of the gas-liquid separating chamber with the intake passage is provided in a partition between the gas-liquid separating chamber and the intake passage. The system is a low cost system having a simplified design enabling oil to be separated from blowby gas without having to include a special oil separator tank before the breather tube.

REFERENCES:
patent: 6425451 (2002-07-01), Yoshida et al.
patent: 6598595 (2003-07-01), Yasui
patent: 6651635 (2003-11-01), Kunimitsu et al.
patent: 2639608 (1997-05-01), None

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