OIL FILTER FOR ENGINES, TRANSMISSIONS OR AUTOMATIC TRANSMISSIONS

Title:

OIL FILTER FOR ENGINES, TRANSMISSIONS OR AUTOMATIC TRANSMISSIONS

Document Type and Number:

WIPO Patent Application WO2001055563

Kind Code:

A3

Abstract:

The invention relates to an oil filter for engines, transmissions or automatic transmissions, which is integrated in an oil sump. At least one bypass valve (9) is disposed on the oil filter, said bypass valve (9) containing a spring (11) whose spring force increases as the temperature increases. The spring (11) opens and closes an opening (15) of the bypass valve by means of a closing device (12).

Inventors:

ROSENDAHL MARCO (DE)
BEER MARKUS (DE)

Application Number:

PCT/EP2000/012248

Publication Date:

February 07, 2002

Filing Date:

December 06, 2000

Export Citation:

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Assignee:

IBS FILTRAN KUNSTSTOFF METALL (DE)
ROSENDAHL MARCO (DE)
BEER MARKUS (DE)

International Classes:

B01D35/02; B01D35/027; F01M11/00; F01M11/03; F16H57/04; F16N39/06; (IPC1-7): F01M11/03; F01M11/00

Foreign References:

US3773144A	1973-11-20
US4915852A	1990-04-10
US5934241A	1999-08-10
US4181611A	1980-01-01
DE19735444A1	1999-01-07

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