Liquid purification or separation – Flow – fluid pressure or material level – responsive – Discharge of treated material
Patent
1975-05-27
1976-05-18
Hart, Charles N.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Discharge of treated material
210130, 210136, B01D 2124
Patent
active
039576400
ABSTRACT:
An oil filter having an elastomeric anti-drainback valve with an integral flap that deflects within the tolerance stack-up of the assembled filter parts to effect sealing in lieu of requiring, for example, the conventional metal spring bias.
REFERENCES:
patent: 2542254 (1951-02-01), Lamb
patent: 2649245 (1953-08-01), Silverstolpe
patent: 3199156 (1965-08-01), Riegelman
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patent: 3305095 (1967-02-01), Hathaway
patent: 3520541 (1970-07-01), Rohani
patent: 3529722 (1970-09-01), Humbert
patent: 3557958 (1971-01-01), Baldwin
patent: 3567023 (1971-03-01), Buckman
patent: 3589517 (1971-06-01), Palmai
patent: 3868325 (1975-02-01), Otto
General Motors Corporation
Hart Charles N.
Phillips Ronald L.
Therkorn Ernest G.
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