Title:
FLUID WORKING MACHINE AND WIND TURBINE GENERATOR
Document Type and Number:
WIPO Patent Application WO/2014/002143
Kind Code:
A1
Abstract:
A fluid working machine 11, 12 is provided with a rotation shaft 9, a cam 22, a cylinder 19, a roller 21 contacting the cam 22, and a piston 18 having a chamber forming part 27 and a roller holding part 28. A stepped portion 31 is formed so that the roller holding part 28 has a larger diameter than the chamber forming part 27. A piston ring groove 31 is formed on an outer periphery of the chamber forming part 27 on a side nearer to the working chamber than the stepped portion.
Inventors:
NISHIDA HIDEAKI (JP)
OCHIAI HIROYASU (JP)
UCHIDA MICHIYA (JP)
DODSON HENRY (GB)
OCHIAI HIROYASU (JP)
UCHIDA MICHIYA (JP)
DODSON HENRY (GB)
Application Number:
PCT/JP2012/004221
Publication Date:
January 03, 2014
Filing Date:
June 29, 2012
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
NISHIDA HIDEAKI (JP)
OCHIAI HIROYASU (JP)
UCHIDA MICHIYA (JP)
DODSON HENRY (GB)
NISHIDA HIDEAKI (JP)
OCHIAI HIROYASU (JP)
UCHIDA MICHIYA (JP)
DODSON HENRY (GB)
International Classes:
F03C1/047; F03D1/00
Domestic Patent References:
WO2012010261A2 | 2012-01-26 |
Foreign References:
DE102010032058A1 | 2012-01-26 | |||
DE19816452A1 | 1998-10-15 | |||
DE19832696A1 | 2000-01-27 | |||
US5979295A | 1999-11-09 | |||
EP0524437A1 | 1993-01-27 |
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P. C. (Ambassador Roppongi Buildings 16-13, Roppongi 3-chome, Minato-k, Tokyo 32, JP)
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