Oil fill/air breather cap with integral oil separator

Details Oil fill/air breather cap with integral oil separator Oil fill/air breather cap with integral oil separator

1982-06-09

1983-08-30

Nozick, Bernard

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123572, 55385C, 55DIG19, 55320, 55498, F01M 1300

Patent

active

044010931

ABSTRACT:
A one-piece combination oil fill/air breather cap for an automotive type engine positive crankcase ventilation (PCV) system that includes a filter and oil separator chambers below the filter defined by partitions or baffles upon which the oil droplets impinge during reverse flow operation of the PCV system; a double lip flared annular seal operating in tension being sandwiched between the cap lower surface and the engine rocker arm cover to minimize oil leakage.

REFERENCES:
patent: 3546853 (1970-12-01), Claar
patent: 4020970 (1977-03-01), Koscik et al.
patent: 4169432 (1979-10-01), White
patent: 4267941 (1981-05-01), Loudin
patent: 4271977 (1981-06-01), Saigne

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