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. 29, 1991
Filed:
Oct. 14, 1988
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);
Borg-Warner Automotive Electronic & Mechanical Systems Corporation, Livonia, MI (US);
Abstract
A solenoid operated hydraulic control valve which has a specially ported spool valve to statically balance spool force in the opened and closed positions, and a specially designed solenoid operator which includes very small ratios of gaps to cross-sectional areas for the working and non-working gaps between the armature and stator.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile