Title:
主ポンプ及び進入圧力ポンプを備えた液圧装置
Document Type and Number:
Japanese Patent JP2004509269
Kind Code:
A
Abstract:
The invention relates to a hydraulic system ( 1 ) comprising a main pump ( 12 ) and a precompression pump ( 5 ), whereby the outlet ( 8 ) of the precompression pump ( 5 ) is connected by a connecting line ( 9 ) to the inlet ( 11 ) of the main pump ( 12 ). The outlet ( 16 ) of the main pump ( 12 ) can be connected by a working line ( 17 ) to a consumer (A, B). The volume flow at the inlet ( 11 ) of the main pump ( 12 ) is changeable. The aim of the invention is to achieve greater efficiency. The precompression pump ( 5 ) comprises an adjusting device ( 6 ) for adjusting the flow rate.
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Inventors:
Ralph Lemen
Application Number:
JP2002527659A
Publication Date:
March 25, 2004
Filing Date:
June 29, 2001
Export Citation:
Assignee:
BRUENINGHAUS HYDROMATIK GMBH
International Classes:
F04B49/06; F04B23/02; F04B23/04; F04B23/10; F04B49/08; F04C11/00; F04C14/08; (IPC1-7): F04B49/06; F04B23/02; F04B23/04
Domestic Patent References:
| JPH089389Y2 | 1996-03-21 |
Foreign References:
| WO1999061796A1 | 1999-12-02 |
Attorney, Agent or Firm:
Shimizu Yoshi Hiro
Shinichi Abe
Yuji Tsujida
Shinichi Abe
Yuji Tsujida