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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2018/174048
Kind Code:
Provided is a filter device that is configured by installing an orifice member to the fluid passage of a filter body and is capable of avoiding being functionally impaired by residue such as shavings generated during the installing of the orifice member. A filter device 1 is provided with: a filter body 2 that has a fluid passage 15; and an orifice member 3 that is installed in the fluid passage 15. The orifice member 3 is provided with a body 21 that has an orifice 24, a first flange 22 that is press-fitted into the large-diameter part 15A of the fluid passage 15, and a second flange 23 that forms a closed trap space 25 between itself and the first flange 22. A knurling tool is provided to the outer peripheral surface of the first flange 22. Shavings generated during the installing of the orifice member 3 to the filter body 2 are captured in the trap space 25.

MIMURA Kouhei (Yokosuka-shi Kanagawa, 58, 〒2398558, JP)
Application Number:
Publication Date:
September 27, 2018
Filing Date:
March 20, 2018
Export Citation:
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NIFCO INC. (5-2 Hikarino-oka, Yokosuka-shi Kanagawa, 58, 〒2398558, JP)
International Classes:
B01D24/00; B01D29/00; B01D29/11; B01D35/02; F01L1/20
Attorney, Agent or Firm:
MURATA Minoru (2-10 Kandaogawamachi 3-chome, Chiyoda-ku Tokyo, 52, 〒1010052, JP)
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