Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SWASH PLATE ANGLE CONTROL MECHANISM OF HYDRAULIC MOTOR AND HYDRAULIC PUMP
Document Type and Number:
Japanese Patent JP2010031744
Kind Code:
A
Abstract:

To provide swash plate angle control mechanisms of a hydraulic motor and hydraulic pump which can prevent the wear due to contact of a piston and swash plate.

In a hydraulic motor and hydraulic pump having an inclined angle of a swash plate 8 controlled by displacing a piston 9, the piston 9 consists of a piston body part 91 and a pad part 92 freely slidably coming into contact with the piston body part 91 on a plane 92a and with the swash plate 8 on a curved surface 92c. A contact surface 8a coming into contact with the pad part 92 of the swash plate 8 is formed on the curved surface having the same curvature that the curved surface 92c of the pad part 92 has.


Inventors:
TANEMURA HIDEAKI
HAYATAKE JUN
Application Number:
JP2008194817A
Publication Date:
February 12, 2010
Filing Date:
July 29, 2008
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CATERPILLAR JAPAN LTD
International Classes:
F04B1/22; F03C1/253
Attorney, Agent or Firm:
Yu Sanada