Title:
【発明の名称】移動型作業機
Document Type and Number:
Japanese Patent JP2002519597
Kind Code:
A
Abstract:
A hydraulic circuit for a mobile handling device includes a lifting cylinder suitable for handling a variable load and an accumulator for recovering or recycling lowering load energy. The hydraulic circuit also includes a variable hydraulic machine, driven by a drive unit, capable of developing full system pressure in two flow directions, to either of two ports. One of the two ports is connected to the accumulator, by a first connecting line, and the other is connected to the lifting cylinder, by a second connecting line. A second accumulator is connected to the first and second connecting lines by a check valve.
Inventors:
Blarn, Lars
Application Number:
JP2000557083A
Publication Date:
July 02, 2002
Filing Date:
June 23, 1999
Export Citation:
Assignee:
Blarn, Lars
International Classes:
B66F9/22; F15B11/17; E02F9/22; F15B21/14; (IPC1-7): F15B21/14; E02F9/22
Attorney, Agent or Firm:
Kichi Toshio Kawa