The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 02, 1996
Filed:
May. 26, 1994
Koichi Hashida, Itami, JP;
Masato Yoshino, Itami, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
A fluid pressure control device comprising: an inlet valve which is provided in a supply path for connecting a fluid pressure apparatus and a fluid pressure source and is opened so as to increase fluid pressure of the fluid pressure apparatus; and an outlet valve which is provided in a discharge path for discharging working fluid from the fluid pressure apparatus and is opened so as to reduce the fluid pressure of the fluid pressure apparatus; wherein the inlet valve is formed by a solenoid selector valve effecting only a fully open operation and a fully closed operation; wherein the outlet valve is formed by a flow control valve in which one-to-one correspondence exists between quantity of drive current applied thereto and flow rate of the working fluid flowing therethrough.