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:
Nov. 23, 1999
Filed:
Jun. 02, 1998
Kent A Kupferschmid, East Peoria, IL (US);
Rick A Laylock, Washington, IL (US);
Timothy F Nusz, Wyoming, IL (US);
Daniel J Whiting, Bloomington, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A control system diverts cooling and/or lubricating fluid from a selected one of a plurality of fluid actuated clutches in a transmission in response to the transmission being in a selected gear ratio. A diverter valve is placed between a source of cooling and/or lubricating fluid and the selected one of the fluid actuated clutches and operative to divert fluid therefrom in response to the transmission being placed in the selected gear ratio. A sensor arrangement is operative to sense the transmission gear ratio and deliver a signal to condition the diverter valve.