Title:
【発明の名称】液圧変換器
Document Type and Number:
Japanese Patent JP2003525395
Kind Code:
A
Abstract:
A hydraulic pressure transformer for the conversion of an input hydraulic power to an output hydraulic power has a cam block. The cam block has a cam opening defining a pump section and a motor section. The pump section includes at least one pump inlet port and at least one pump outlet port. The motor section includes at least one motor inlet port and at least one motor outlet port. A rotor is disposed within the cam opening and is rotatable about an axis of rotation. The rotor includes a peripheral surface, a plurality of radially extending slots opening at the peripheral surface and a plurality of vanes respectively disposed in the slots. The rotor and/or cam block are movable relative to each other in at least one direction generally perpendicular to the axis of rotation.
Inventors:
David Sea. Hale
Application Number:
JP2001563788A
Publication Date:
August 26, 2003
Filing Date:
February 05, 2001
Export Citation:
Assignee:
CATERPILLAR INCORPORATED
International Classes:
F03C2/02; F04C2/344; F04C11/00; F04C14/22; F15B7/02; (IPC1-7): F04C2/344; F03C2/02; F15B7/02
Foreign References:
| WO1988002438A1 | 1988-04-07 | |||
| US3808814A | 1974-05-07 | |||
| US4851723A | 1989-07-25 |
Attorney, Agent or Firm:
Yoshikazu Tani (2 outside)