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Patent Searching and Data


Title:
HYDRAULIC ROTARY MACHINE
Document Type and Number:
Japanese Patent JP2015190327
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a hydraulic rotary machine capable of efficiently rotating and driving a cylinder block.SOLUTION: Hydraulic rotary machines 100 and 200 include a cylinder block 10 fixed to a rotating shaft 1, a plurality of cylinders 12 formed in the cylinder block 10 and arranged to have a prescribed interval around the rotating shaft 1, a piston 2 slidably inserted in the cylinders 12 and forming a volume chamber 13 in an inside of the cylinders 12, and a plurality of supply and discharge ports 14 formed in the cylinder block 10 and communicated with the volume chamber 13. An inner wall surface 14D of the supply and discharge port 14 through which high pressure working fluid flows of the supply and discharge ports 14 positioned in the intake side and the discharge side is formed to be tilted to an axis of the cylinder 12 in a direction opposite from a rotating direction of the cylinder block 10 when viewed from a flow direction of the high pressure working fluid.

Inventors:
NOGUCHI EISHIN
Application Number:
JP2014065960A
Publication Date:
November 02, 2015
Filing Date:
March 27, 2014
Export Citation:
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Assignee:
KAYABA INDUSTRY CO LTD
International Classes:
F04B1/22; F03C1/253
Foreign References:
DE2164364A11973-06-28
US6406271B12002-06-18
Attorney, Agent or Firm:
Masaki Goto
Masaaki Iida
Atsushi Sudo
Kenji Murase