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Patent Searching and Data


Title:
OIL FILTER AND METHOD OF MANUFACTURING THE OIL FILTER
Document Type and Number:
WIPO Patent Application WO/2002/051519
Kind Code:
A1
Abstract:
An oil filter allowing the installation of a valve element into a holder to be confirmed beforehand and capable of preventing the valve element from being abnormally installed, wherein a valve seat member (22) is brazed to a cap (14) covering a filter element (12), a claw part (25e) for valve element is provided on the valve element (25), an engaged part (27e) for valve element engaged with the claw part (25e) for valve element is provided on a holder (15) assembled in the filter element (12) on the inner peripheral side, a spring member (29) is installed between the valve element (25) and a spring receiving part (27) provided on the holder (15), and the valve element (25) is assembled in the holder (15) by the engagement of the claw part (25e) for valve element with the engaged part (27e) for valve element.

Inventors:
YANO KENJI (JP)
YOSHIDA KAZUHIRO (JP)
SUGIMOTO TAKEO (JP)
UCHIYAMA AKIRA (JP)
Application Number:
PCT/JP2001/011392
Publication Date:
July 04, 2002
Filing Date:
December 25, 2001
Export Citation:
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Assignee:
TOYO ROKI SEIZO KK (JP)
YANO KENJI (JP)
YOSHIDA KAZUHIRO (JP)
SUGIMOTO TAKEO (JP)
UCHIYAMA AKIRA (JP)
International Classes:
B01D35/02; B01D27/10; B01D35/147; (IPC1-7): B01D27/10
Foreign References:
US5770054A1998-06-23
JP2000279711A2000-10-10
US5814215A1998-09-29
US4028243A1977-06-07
JPH09136003A1997-05-27
Attorney, Agent or Firm:
Ishikawa, Yasuo (4F 17-11 Shiba 2-chome Minato-ku, Tokyo, JP)
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