Title:
AXIAL PISTON DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/004204
Kind Code:
A1
Abstract:
This axial piston device comprises a cylinder block 11 that rotates integrally with a rotating shaft, a plurality of pistons accommodated in each of a plurality of cylinder chambers 12 in an area in which the rotating shaft is surrounded by the cylinder block 11, and a support that positions protruding ends of the plurality of pistons, the cylinder block 11 having formed therein a plurality of cylinder ports 17 that communicate with the plurality of cylinder chambers. The cylinder ports 17 are configured such that along the circumferential direction of an imaginary circle C that is centered around an axis X as seen in a direction along the axis X and that passes through center points T which are the centers of gravity of flow channel cross-sections of the cylinder ports 17, gaps between adjacent cylinder ports in the circumferential direction of the imaginary circle C are all different with each pair of adjacent cylinder ports 17.
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Inventors:
OKUMA REI (JP)
Application Number:
PCT/JP2021/020106
Publication Date:
January 06, 2022
Filing Date:
May 27, 2021
Export Citation:
Assignee:
KUBOTA KK (JP)
International Classes:
F04B1/2035; F03C1/253
Foreign References:
| JPS5290706U | 1977-07-06 | |||
| JPH0680871U | 1994-11-15 | |||
| JP2002031039A | 2002-01-31 | |||
| JP2012057472A | 2012-03-22 | |||
| JPH05195946A | 1993-08-06 |
Attorney, Agent or Firm:
R&C IP LAW FIRM (JP)
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