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:
Jul. 11, 2000
Filed:
Nov. 03, 1998
Applicant:
Inventors:
Alan C Stine, Kalamazoo, MI (US);
Timothy J Morscheck, Kalamazoo, MI (US);
Douglas A Hughes, Wixom, MI (US);
Assignee:
Eaton Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
74331 ; 74360 ;
Abstract
A mechanical transmission (14) having a plurality of ratios (first-twelfth) and an automated system (10) utilizing same, has an upper group of ratios (seventh-twelfth) having a relatively small average ratio step (13%) compared to the average ratio steps (30%-40%) of comparable transmissions. This allows high-speed operation (35-70 mph) at or very nearing desired engine speed (112), emulating the characteristics of a CVT.