Internal crankcase ventilation system with easily accessible PCV

Details Internal crankcase ventilation system with easily accessible PCV Internal crankcase ventilation system with easily accessible PCV

1985-02-25

1986-07-29

Cross, E. Rollins

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123 4186, F02B 2506

Patent

active

046026070

ABSTRACT:
An engine crankcase ventilation system has internal crankcase vapor recirculation passages including a cavity in a valve cover arranged for push-in mounting of a PCV valve in the vapor flow path and a screw cap closing the cavity through which the PCV valve is installed or removed. The screw cap preferably includes finger-like abutments to maintain the PCV valve in position against the differential pressure of crankcase vapors across the valve.

REFERENCES:
patent: 2547587 (1949-09-01), Lowther
patent: 3166061 (1965-01-01), Weiser
patent: 3241534 (1966-03-01), Kennedy
patent: 3359960 (1967-12-01), Pittsley
patent: 3381674 (1968-05-01), Thom
patent: 3589347 (1971-06-01), Sawada
patent: 3659573 (1972-05-01), Bennett
patent: 3677240 (1972-07-01), Sarto
patent: 3766898 (1973-10-01), McMullen
patent: 3908617 (1975-09-01), Partridge
patent: 4069796 (1978-01-01), Balsley
patent: 4501234 (1985-02-01), Toki et al.
patent: 4517951 (1985-05-01), Otaka et al.

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