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:
Jul. 08, 1986
Filed:
Aug. 24, 1984
Applicant:
Inventors:
Assignee:
Caterpillar Mitsubishi Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137117 ; 137491 ;
Abstract
A flow control valve comprising spool means and overload relief valve means built in the spool means. A filter is disposed on the upstream side of the relief valve means. When a hydraulic oil is passed through the filter, foreign materials are removed from the oil and the pulsation of the oil is inhibited or eliminated.