Motorcycle engine lubricating oil filter apparatus

Details Motorcycle engine lubricating oil filter apparatus Motorcycle engine lubricating oil filter apparatus

1988-06-06

1990-06-19

Fisher, Richard V.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

210136, 210168, 210430, 210484, 21049701, B01D 2710, B01D 3514

Patent

active

049351281

ABSTRACT:
An oil filtering apparatus includes a check valve at the bottom of and within a cylindrical porous filter unit, to pass oil directly into an oil tank in case of clogging of the filter unit or cartridge. Channeling in the check valve inverted cap by-passes flow around the valve within the cap, when the valve is depressed; and a well formed around the cap collects dirt and other particles, within the filter unit lower interior.

REFERENCES:
patent: 3295680 (1967-01-01), Wilber
patent: 3853763 (1974-12-01), Hall
patent: 4126553 (1978-11-01), Berg
patent: 4246109 (1981-01-01), Manders
patent: 4401563 (1983-08-01), Koelfgen

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