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Title:
SKEW PLATE-TYPE HYDRAULIC ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2012/077157
Kind Code:
A1
Abstract:
Provided is a skew plate-type rotary machine equipped with: a rotary shaft (3); a valve plate (4); a skew plate (15); a cylinder block (9) fitted onto rotary shaft (3) so as to be in sliding contact with the valve plate (4); cylinders (11) provided in the cylinder block (9); pistons (13) inserted in the axial direction (L) into the cylinders (11) so as to be capable of reciprocating movement; shoes (14) fitted onto the tips of the pistons (13); a circular pressing plate (17) that is provided between the skew plate (15) and the cylinder block (9) and supports the shoes (14); a bushing (80) that is inserted at the inner circumference of the pressing plate (17) and that supports the pressing plate (17) while pressing it toward the skew plate (15); and set springs (20) that bias the bushing (80) and the cylinder block (9) so as to repel in the axial direction (L). In addition, when assembled, the clearance in the axial direction (L) between the cylinder block (9) and the bushing (80) is 0 or minimal.

Inventors:
OHNO TAKESHI
SUZUKI TAKAHISA
WADA HISAO
Application Number:
PCT/JP2010/007103
Publication Date:
June 14, 2012
Filing Date:
December 07, 2010
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD (JP)
OHNO TAKESHI
SUZUKI TAKAHISA
WADA HISAO
International Classes:
F04B1/22; F03C1/22
Foreign References:
JPH0886273A1996-04-02
JPS5789878U1982-06-02
JPS6375570U1988-05-19
JPH0373678U1991-07-24
JPH0239578U1990-03-16
JPS54163302U1979-11-15
JPS5164038A1976-06-03
JPS50146907A1975-11-25
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Patent business corporation Owner old patent firm (JP)
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Claims: