Title:
HYDRAULIC DEVICE
Document Type and Number:
Japanese Patent JPH07167106
Kind Code:
A
Abstract:
PURPOSE: To adjust and control hydraulic consumer in a low energy manner at a low cost.
CONSTITUTION: In a hydraulic device, an adjusting pump 15 is driven while a pressure differential is detected through the intermediary of a valve 14 so as to maintain a constant operating pressure drop. The adjusting pump 15 is driven by an a.c. motor 18 which is connected to a power source network so that the speed thereof can be changed by means of a frequency converter 19.
Inventors:
KARURU HEERU
Application Number:
JP26816394A
Publication Date:
July 04, 1995
Filing Date:
October 07, 1994
Export Citation:
Assignee:
HEHL KARL
International Classes:
B29C45/82; F04B49/06; F15B11/00; F15B11/02; F04B49/08; F15B11/028; G05D3/20; G05D16/20; (IPC1-7): F15B11/00; B29C45/82; F04B49/08; F15B11/028
Attorney, Agent or Firm:
Asato Kato
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