Oil filter assembly for a Volkswagen flat four opposed cylinder

Details Oil filter assembly for a Volkswagen flat four opposed cylinder Oil filter assembly for a Volkswagen flat four opposed cylinder

1989-04-12

1990-04-10

Fisher, Richard V.

Liquid purification or separation

Processes

Separating

210130, 210168, 210DIG13, 123196A, 184 624, B01D 3700

Patent

active

049158520

ABSTRACT:
An oil filter assembly for a Volkswagen flat four opposed cylinder air cooled engine including an external oil sump secured to the oil drain hole of the engine oil pan and containing an open-sided inflow canister-type oil filter disposed therein. The oil filter assembly includes an open sided inflow canister type oil filter disposed in the external oil sump, a seal for sealing the top of the oil filter to the engine oil pick up tube, a bypass valve disposed in the bottom of the oil filter, spring means bearing against the bypass valve so as to urge the bypass valve and oil filter towards the engine oil pick up tube, and a cover plate forming the bottom of the external oil sump and bearing against the spring means.

REFERENCES:
patent: 2372286 (1945-03-01), Mieras
patent: 3707202 (1972-12-01), Dixon
patent: 3773144 (1973-11-01), Hummel

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