Blow-by gas recirculating apparatus

Details Blow-by gas recirculating apparatus Blow-by gas recirculating apparatus

1986-06-02

1988-01-26

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123 4186, F02M 2506

Patent

active

047210907

ABSTRACT:
A blow-up gas recirculating apparatus for returning blow-by gases from the crankcase of an internal combustion engine to an intake passage thereof includes a shield panel attached to a cylinder head cover in substantially covering relating to a DOHC valve mechanism housed in a cylinder head. A breather chamber is defined between the cylinder head cover and the shield panel and communicates with the interior of the cylinder head and an air intake unit, such as an air cleaner, of the internal combustion engine. The breather chamber comprises first through third breather chamber sections interconnected by constricted passages, While blow-by gases are flowing through the breather chamber, an oil mist can reliably be separated from the blow-by gases.

REFERENCES:
patent: 3673997 (1972-07-01), Sawada
patent: 3731665 (1973-05-01), Garcea
patent: 3908617 (1975-09-01), Partridge
patent: 4517951 (1985-05-01), Otaka
patent: 4565164 (1986-01-01), Satoh
patent: 4597372 (1986-07-01), Furukawa
patent: 4607604 (1986-08-01), Kanoh

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