Title:
HYDRAULIC AMPLIFIER
Document Type and Number:
Japanese Patent JPS61197801
Kind Code:
A
Abstract:
A hydraulic pressure amplifier, e.g. for generating high water pressure for rock cutting and the like, in which a differentially displaced piston drives plungers alternately to pressurize the water and is driven by a primary fluid under the exclusively of a hydraulically displaceable pilot valve. The valve member is connected by a single pilot passage to the cylinder of the piston for switching between its positions.
Inventors:
BARUTOMUFU JIYAN KUROODO SHIMO
Application Number:
JP147786A
Publication Date:
September 02, 1986
Filing Date:
January 09, 1986
Export Citation:
Assignee:
EIMUKO SEKOMA
International Classes:
F01L25/06; F03C1/007; F15B3/00; F04B9/111; F04B9/113; (IPC1-7): F04B9/10; F15B3/00
Attorney, Agent or Firm:
Shigeru Yagida