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:
Apr. 21, 1992
Filed:
Nov. 09, 1990
Applicant:
Inventors:
Alan L Miller, Ithaca, NY (US);
George H Studtmann, Mount Prospect, IL (US);
Todd L King, Cedarburg, WI (US);
Kenneth R Gallaher, Algonquin, IL (US);
Jerome J Zawada, Glendale Heights, IL (US);
William P Umlauf, Schererville, IN (US);
Assignee:
Borg-Warner Automotive Electronic & Mechanical Systems Corporation, Sterling Heights, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; F15B / ;
U.S. Cl.
CPC ...
25112905 ; 25112907 ; 25112916 ; 251282 ;
Abstract
A solenoid operated hydraulic control valve system including a solenoid operated valve having a specially ported spool valve to statically balance spool forces in the opened and closed positions.