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:
Jun. 10, 1980
Filed:
Aug. 22, 1977
Applicant:
Inventor:
Wayne A Peterson, Washington, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ; F15B / ;
U.S. Cl.
CPC ...
91516 ; 91517 ; 91518 ; 91520 ;
Abstract
A priority system has a valve assembly which has an inlet, first and second outlets, and apparatus for controllably limiting fluid pressure at the first outlet to a preselected maximum value by controllably communicating the second outlet with the inlet. The priority system has a fluid reservoir, a work element and control apparatus connected to the work element, second outlet and reservoir which receives fluid from the second outlet and passes the fluid to the fluid reservoir or work element.