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Title:
RADIAL PISTON TYPE HYDRAULIC MACHINE AND WIND POWER GENERATION DEVICE
Document Type and Number:
Japanese Patent JP2015124608
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a radial piston type hydraulic machine and a wind power generation device easy in maintenance.SOLUTION: A radial piston type hydraulic machine includes a plurality of pistons 22 disposed along a radial direction of the hydraulic machine, a plurality of cylinders for guiding the pistons to be reciprocated along the radial direction, a cartridge 38 having a low pressure valve and a high pressure valve provided between a hydraulic chamber 25 and a low pressure line and a high pressure line respectively, and a cylinder block 26 having a cylinder block body in which a cartridge hole 52 is formed so that the cartridge is inserted thereto. The cartridge can be inserted and removed to and from the cartridge hole of the cylinder block body along the radial direction, and a low pressure communication passage 46A or a high pressure communication passage 46B provided in the cartridge has at least one radial flow passage 48 extended from the hydraulic chamber toward a valve element of the low pressure valve or the high pressure valve along the radial direction.

Inventors:
TAKEDA KATSUHIKO
Application Number:
JP2013267218A
Publication Date:
July 06, 2015
Filing Date:
December 25, 2013
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F04B1/04; F03C1/053; F03D9/00; F04B53/10
Domestic Patent References:
JPH0587043A1993-04-06
JP2013508592A2013-03-07
JPH04246282A1992-09-02
JP2006514215A2006-04-27
Foreign References:
US20080063538A12008-03-13
Attorney, Agent or Firm:
Seishin ip patent business corporation