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Patent Searching and Data


Title:
INTERNAL GEAR PUMP
Document Type and Number:
WIPO Patent Application WO/2019/107537
Kind Code:
A1
Abstract:
Provided is an internal gear pump wherein a casing and a cover can be easily positioned to each other when the casing and the cover are mounted to each other, and separation or dislodgement of both members can be prevented. In this internal gear pump 1, a casing 5 and/or cover 6 is a formed body formed from a resin composite or the like. The casing 5 and the cover 6 are affixed to each other by fitting a plurality of protrusions protruding from one of the members, to the other member. The protrusions are the portions of metallic bushes 9, which protrude from the casing 5, the metallic bushes 9 being affixed to the casing 5, and the casing 5 and the cover 6 are integrated by bolts 13 inserted in the metallic bushes 9 which straddle both the members.

Inventors:
SONOZAKI Tomokazu (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 78, 〒5118678, JP)
AKAI Hiroshi (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 78, 〒5118678, JP)
HATTORI Kei (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 78, 〒5118678, JP)
ITO Takayuki (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 78, 〒5118678, JP)
Application Number:
JP2018/044154
Publication Date:
June 06, 2019
Filing Date:
November 30, 2018
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
F04C2/10; F04C15/00
Foreign References:
JP2015148177A2015-08-20
JP2010236514A2010-10-21
JP2009133421A2009-06-18
Attorney, Agent or Firm:
WAKI Hikaru et al. (2-6 Shiroyama 1-chome, Toin-cho Inabe-gu, Mie 33, 〒5110233, JP)
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