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:
Jun. 29, 1999
Filed:
Aug. 04, 1997
Applicant:
Inventors:
Alan R Coutant, Chillicothe, IL (US);
Stephen C Garnett, Princeville, IL (US);
Eric D Stemler, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
475-5 ; 475-8 ;
Abstract
A electro-mechanical transmission includes an electrical section and a mechanical transmission to provide an infinitely adjustable power flow through the transmission. The mechanical transmission includes a planetary gearing mechanism having three planetary gear sets and five members which interact with the electrical section and a gear change mechanism to infinitely adjust output speed.