Title:
INTERNAL GEAR PUMP, HYDRAULIC DEVICE AND VEHICLE HEIGHT ADJUSTMENT FUNCTION-EQUIPPED SHOCK ABSORBER
Document Type and Number:
WIPO Patent Application WO/2023/188696
Kind Code:
A1
Abstract:
An internal gear pump (1) according to the present invention is equipped with: a case (2); an outer rotor (3) which is ring-shaped, has internal teeth (3a) provided along the inner circumference thereof and external teeth (3b) provided along the outer circumference thereof, and is housed inside the case (2) so as to be capable of rotating in the circumferential direction; an inner rotor (4) which is housed inside the case (2), is inserted on the inner-circumferential side of the outer rotor (3), and comprises an external gear which meshes with the outer rotor (3); a drive gear (5) which meshes with the external teeth (3b) of the outer rotor (3); and a motor (6) which drives the drive gear (5). This internal gear pump (1) is characterized in that there are fewer teeth on the drive gear (5) than there are external teeth (3b) on the outer rotor (3).
Inventors:
KAYUKAWA NORIO (JP)
WATANABE HIROTOMO (JP)
WATANABE HIROTOMO (JP)
Application Number:
PCT/JP2023/000820
Publication Date:
October 05, 2023
Filing Date:
January 13, 2023
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
F04C2/10; F04C15/00; F16F9/18
Foreign References:
| JP2009287463A | 2009-12-10 | |||
| JP2021173285A | 2021-11-01 | |||
| JP2001193667A | 2001-07-17 | |||
| JPH0499103U | 1992-08-27 | |||
| CN112112952A | 2020-12-22 |
Attorney, Agent or Firm:
ISHIKAWA Ken (JP)
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