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:
Aug. 29, 1989
Filed:
Mar. 16, 1988
Applicant:
Inventors:
Coenraad H van Beek, Diessen, NL;
Wilhelmus J van Wijk, Tilburg, NL;
Assignee:
Van Doorne's Transmissie B.V., Tilburg, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
474 18 ; 74868 ; 474 70 ;
Abstract
A control device for controlling the transmission ratio of an infinitely variable transmission of a motor vehicle is disclosed. The transmission ratio is adjustably dependent on the position of a hydraulic control valve which is movable in dependence upon the difference between a predetermined desired engine speed and the actual engine speed. A stop member displaceable in dependence upon the transmission ratio regulates the minimum possible engine speed in dependence thereon.