Crankcase ventilating device for reciprocating piston internal c

Details Crankcase ventilating device for reciprocating piston internal c Crankcase ventilating device for reciprocating piston internal c

1979-09-11

1981-10-20

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123 4186, F02B 2506

Patent

active

042954576

ABSTRACT:
A crankcase ventilating device for reciprocating piston internal combustion engines, in which a connecting line between the crankcase and the intake conduit is controlled by a control valve including a spring-loaded control piston, which piston is axially displaceable and has one of its end faces adapted to be actuated upon by the pressure in the crankcase whereas its other end face is adapted to be actuated upon an ambient pressure. The control piston is acted upon by the ambient pressure through a throttle opening ahead of which, when looking in the direction of flow of ambient air through the throttle opening to the control piston, there is arranged a separating chamber having an inlet opening communicating with ambient air.

REFERENCES:
patent: 2775960 (1957-01-01), Druzynski
patent: 3145697 (1964-08-01), Barr et al.
patent: 3189012 (1965-06-01), Humphreys
patent: 3469565 (1969-09-01), Weber et al.
patent: 3620197 (1971-11-01), Albright et al.

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