Title:
ハイブリッド油圧システム、およびそのハイブリッド油圧システムを使用する作業機械
Document Type and Number:
Japanese Patent JP2009511831
Kind Code:
A
Abstract:
A hydraulic system and work machine are provided, the hydraulic system including at least one hydraulic cylinder with a first port and a second port connected by a first fluid passage. A first pump, which is a bi-directional hydraulic pump is positioned within the first fluid passage, and a second pump is positioned in parallel with the first pump and disposed within a second fluid passage. An accumulator fluidly connects with the second fluid passage.
Inventors:
Jason Elle Brinkman
Pinaki Gupta
Pinaki Gupta
Application Number:
JP2008534529A
Publication Date:
March 19, 2009
Filing Date:
August 22, 2006
Export Citation:
Assignee:
CATERPILLAR INCORPORATED
International Classes:
F15B21/14; E02F9/22; F15B11/02; F15B11/08
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe