Liquid filter

Details Liquid filter Liquid filter

2005-12-15

2010-12-07

Lithgow, Thomas M (Department: 1797)

Liquid purification or separation

With repair or assembling means

C210S136000, C210S440000, C210S443000, C210S444000, C210S450000

Reexamination Certificate

active

07846329

ABSTRACT:
A replaceable liquid filter, particularly for the lubricating oil of an internal combustion engine, having a substantially cup-shaped housing with a concentrically disposed outlet opening for the filtered liquid and at least one inlet opening for the liquid to be filtered and a filter element sealingly disposed between the inlet opening and the outlet opening. The housing is connected to a top plate, and the top plate is connected to an end plate. A connector for releasably coupling the replaceable liquid filter to a mating part is disposed concentrically in the region of the cover plate, such that the connector extends axially beyond the contour of the replaceable liquid filter.

REFERENCES:
patent: 2877902 (1959-03-01), Chase et al.
patent: 2888141 (1959-05-01), Coates et al.
patent: 2894630 (1959-07-01), Humbert, Jr.
patent: 2995249 (1961-08-01), Boewe et al.
patent: 3000506 (1961-09-01), Hultgren
patent: 3184062 (1965-05-01), Humbert, Jr.
patent: 3724665 (1973-04-01), Hall
patent: 4324660 (1982-04-01), Peyton et al.
patent: 1 611 120 (1970-10-01), None
European Search Report with partial English translation dated Jan. 14, 2009 (Seven (7) pages).

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