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Patent Searching and Data


Title:
GEAR PUMP
Document Type and Number:
WIPO Patent Application WO/2019/069418
Kind Code:
A1
Abstract:
A gear pump (1) according to the present invention has a first intake space (L1) where fluid is taken in according to the rotation of an internally toothed gear (10) and a first externally toothed gear (20), and a first discharge space (H1) where fluid is discharged according to said rotation. The gear pump (1) also has a second intake space (L2) where fluid is taken in according to the rotation of the internally toothed gear (10) and a second externally toothed gear (30), and a second discharge space (H2) where fluid is discharged according to said rotation. A case member (50) has an intake space communication part (57) in communication with both of the intake spaces (L1, L2), and a plate member (80) has a discharge space communication part (83) in communication with both of the discharge spaces (H1, H2).

Inventors:
TERADA, Yoshiyuki (4-21-1, Minaminarus, Machida-shi Tokyo 45, 〒1940045, JP)
Application Number:
JP2017/036232
Publication Date:
April 11, 2019
Filing Date:
October 05, 2017
Export Citation:
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Assignee:
TBK CO., LTD. (4-21-1, Minaminaruse Machida-shi Tokyo, 45, 〒1940045, JP)
International Classes:
F04C2/10; F04C11/00
Domestic Patent References:
WO2016185503A12016-11-24
Foreign References:
JPH0571797B21993-10-07
Attorney, Agent or Firm:
OHNISHI, Shogo et al. (S.OHNISHI & ASSOCIATES, HIGASHI-IKEBUKURO SS BUILDING 1F 3-20-3, Higashi-Ikebukuro, Toshima-k, Tokyo 13, 〒1700013, JP)
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