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Title:
HYDRAULIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2013/125433
Kind Code:
A1
Abstract:
 A hydraulic motor provided with a motor mechanism that rotationally operates using an operating hydraulic guided from an operating hydraulic source. The hydraulic motor is provided with: a casing in which a casing chamber accommodating the motor mechanism is defined; a brake mechanism that brakes the rotation of the motor mechanism; a brake release actuator that releases the braking of the brake mechanism using brake release pressure guided from the operating hydraulic source; and a restriction passage that communicates with the casing chamber, extracts a portion of the operating fluid to be guided to the brake release actuator, and guides the extracted operating fluid to the casing chamber.

Inventors:
KAWABATA KAORI (JP)
Application Number:
PCT/JP2013/053498
Publication Date:
August 29, 2013
Filing Date:
February 14, 2013
Export Citation:
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Assignee:
KAYABA INDUSTRY CO LTD (JP)
International Classes:
F03C1/253
Domestic Patent References:
WO2009096100A12009-08-06
Foreign References:
JP2004125092A2004-04-22
JP2000161195A2000-06-13
JP2000080973A2000-03-21
JP2004060508A2004-02-26
JP2006161453A2006-06-22
Other References:
See also references of EP 2806153A4
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
Masaki Goto (JP)
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Claims:



 
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