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:
Sep. 23, 1980
Filed:
Jan. 03, 1978
Applicant:
Inventors:
Philippe Quemerais, Villepreux, FR;
Jean Veron, Suresnes, FR;
Assignee:
Regie Nationale des Usines Renault, Boulogne-Billancourt, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
74759 ; 74764 ;
Abstract
A transmission with epicyclic trains which includes four epicyclic trains permitting six forward speed ratios and one in reverse. With this transmission it is possible to obtain, by elimination of elements such as an annulus, brake bands or clutches, combinations of three, four and five forward speed ratios and one in reverse and is applicable to automobiles, buses and industrial vehicles.