Oil filter device for an internal combustion engine

Details Oil filter device for an internal combustion engine Oil filter device for an internal combustion engine

2006-12-14

2010-06-01

Lithgow, Thomas M (Department: 1797)

Liquid purification or separation

With repair or assembling means

C210S248000

Reexamination Certificate

active

07727390

ABSTRACT:
The invention relates to an oil filter device (1) for an internal combustion engine, comprising a support element (2) and a substantially cylindrical filter cartridge (3) which can be connected, especially screwed, to the support element (2). The invention is characterized in that the filter cartridge is arranged essentially in an upright position while an annular duct (4) which surrounds the filter cartridge (3) in the screwed-on state is embodied inside the support element (2). The duct (4) is fluidically separated from the interior of the filter cartridge (3) when the filter cartridge is screwed on while said separation is eliminated when the filter cartridge (3) is removed. Furthermore, the duct (4) is configured as a drainage duct and is fluidically connected to an oil reservoir when the filter cartridge (3) is removed such that the filter cartridge is easy to replace while no oil is spilled, preventing pollution of the environment.

REFERENCES:
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patent: 5857503 (1999-01-01), Vreeken
patent: 6101996 (2000-08-01), Arita et al.
patent: 6146527 (2000-11-01), Oelschlaegel
patent: 2004/0055827 (2004-03-01), Carlson
patent: 2007/0080106 (2007-04-01), Gilles et al.
patent: 1 040 843 (1959-04-01), None
patent: 36 22 154 (1987-05-01), None
patent: 200 00 524 (2000-05-01), None
patent: 100 26 815 (2001-12-01), None
patent: 100 64 482 (2002-07-01), None
patent: 103 58 709 (2005-04-01), None
patent: 602 00 360 (2005-05-01), None
patent: WO 2004087290 (2004-10-01), None
patent: WO-2006/097086 (2006-09-01), None
English Abstract for DE 100 64 482.
English Abstract for DE 103 58 709.
English Abstract for DE 100 26 815.
English Abstract for DE 200 00 524.
Delphion printout with English title for EP1254692 (which is a family member of DE 60200360) (4 pages).
Printout of US equivalent US 4863599 for DE 36 22 154 (4 pages).
Printout of US equivalent US 2743018 for DE 1 040 843 (5 pages).

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