Title:
PISTON FOR AXIAL PISTON PUMP MOTOR, CYLINDER BLOCK FOR AXIAL PISTON PUMP MOTOR, AND AXIAL PISTON PUMP MOTOR
Document Type and Number:
WIPO Patent Application WO/2014/171178
Kind Code:
A1
Abstract:
The front-edge end part of a piston (5) has crowning with a 1.2-order to 2.5-order curved line, such that the length of the end part is 10-80% of the length of a cylindrical part (20) and the height is 10-160% of a clearance. The rear-edge end part has crowning with a 1.2-order to 2.5-order curved line, such that the length of the end part is 10-60% of the length of the cylindrical part (20) and the height is 10-160% of the clearance. The front-edge end part of a cylinder block (3) has crowning with a 1.2-order to 2.5-order curved line, such that the length of the end part is 8-60% of the length of the cylindrical part (20) and the height is 12-125% of the clearance.
Inventors:
YOSHIMURA ISAMU (JP)
NOMURA RYO (JP)
WADA HISAO (JP)
SAKAI RYUJI (JP)
NOMURA RYO (JP)
WADA HISAO (JP)
SAKAI RYUJI (JP)
Application Number:
PCT/JP2014/054003
Publication Date:
October 23, 2014
Filing Date:
February 20, 2014
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
F04B1/22; F03C1/253; F04B53/14; F04B53/16
Foreign References:
| JP2001032767A | 2001-02-06 | |||
| JP2000506585A | 2000-05-30 | |||
| JPH10266970A | 1998-10-06 | |||
| JPH09177670A | 1997-07-11 | |||
| JP2004239077A | 2004-08-26 | |||
| JP4828371B2 | 2011-11-30 | |||
| JP4828371B2 | 2011-11-30 |
Other References:
See also references of EP 2988003A4
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
Mutsumi Sameshima (JP)
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