Crankcase ventilation system

Details Crankcase ventilation system Crankcase ventilation system

1989-07-14

1990-05-08

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123556, F02M 2506

Patent

active

049228820

ABSTRACT:
A ring-shaped duct, which is connected to a coolant circulating system, extends in a throttle valve housing in an air intake section of an internal-combustion engine. A ventilating pipe for the crankcase gases is connected to the throttle valve housing, is divided into branches in the throttle valve housing and leads into ventilating points in front of and behind the throttle valve. The coolant, which circulates in the ring-shaped duct, simultaneously prevents an icing of the throttle valve and of the ventilating points.

REFERENCES:
patent: 2281124 (1942-04-01), Westcott
patent: 2489230 (1949-11-01), Winkler
patent: 3116727 (1964-01-01), Dietrich
patent: 3364910 (1968-01-01), Hulse
patent: 3381673 (1968-05-01), Drysdale
patent: 3500806 (1970-03-01), Sarto et al.
patent: 4102314 (1978-07-01), Sarto

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