Title:
LIQUID PRESSURE ROTATING MACHINE
Document Type and Number:
Japanese Patent JP2017048689
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve efficiency of a liquid pressure rotating machine.SOLUTION: Piston pumps 100 and 200 include a cylinder block 2 to which a shaft 1 is connected, a plurality of cylinders 2b formed in the cylinder block 2, a piston 6 slidably inserted into the cylinder 2b, a shoe 8 rotatably connected to an end of the piston 6, a swash plate 9 with which the shoe 8 is brought into slidable contact, and a case 3 for storing the cylinder block 2. The cylinder block 2 has a communication hole 2e through which working fluid flowing in and out of a volume chamber 7 flows, and the case 3 has a supply passage 10 and a discharge passage 11 communicated with the communication hole 2e, and first supporting parts 5b and 25b for slidably supporting an outer peripheral surface 2f of the cylinder block 2 near the communication hole 2e.SELECTED DRAWING: Figure 1
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Inventors:
OBAYASHI YOSHIHIRO
Application Number:
JP2015170476A
Publication Date:
March 09, 2017
Filing Date:
August 31, 2015
Export Citation:
Assignee:
KYB CORP
International Classes:
F04B1/22; F03C1/253
Domestic Patent References:
| JPH11210615A | 1999-08-03 | |||
| JP2005240649A | 2005-09-08 | |||
| JPS54177602U | 1979-12-15 |
Foreign References:
| CN101949374A | 2011-01-19 |
Attorney, Agent or Firm:
Goto Patent Office
Masaki Goto
Masaaki Iida
Atsushi Sudo
Hiroyuki Kanno
Masaki Goto
Masaaki Iida
Atsushi Sudo
Hiroyuki Kanno