Oil filter and method of manufacturing the oil filter

Details Oil filter and method of manufacturing the oil filter Oil filter and method of manufacturing the oil filter

2005-09-27

2005-09-27

Sorkin, David (Department: 1723)

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

C210S232000, C210S440000

Reexamination Certificate

active

06949182

ABSTRACT:
An oil filter for preliminarily confirming a correct assembling of a valve body to a holder and for preventing the valve body from being abnormally assembled. A valve seat22is welded to a cap14covering a filter element12. A claw portion for a valve body25eis formed on the valve body25, and an engagement portion for the valve body27eto be engaged with the claw portion for the valve body25eis formed on a holder15assembled with the inner peripheral side of the filter element12. In addition, a spring member29is fitted between the valve body25and a spring receiving portion27provided for the holder15. By the engagement of the claw portion for the valve body25ewith the engagement portion for the valve body27e, the valve body25is assembled with the holder15.

REFERENCES:
patent: 4028243 (1977-06-01), Offer et al.
patent: 5538626 (1996-07-01), Baumann
patent: 5770054 (1998-06-01), Ardes
patent: 5814215 (1998-09-01), Bruss et al.
patent: 5922196 (1999-07-01), Baumann
patent: 9-136003 (1997-05-01), None
patent: 2000-279711 (2000-10-01), None

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