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:
Feb. 05, 1991
Filed:
Oct. 17, 1989
Applicant:
Inventors:
Richard W Roberts, deceased, late of Lombard, IL (US);
Richard L Smirl, Arlington Heights, IL (US);
Herbert N Underwood, Chicago, IL (US);
Assignee:
Borg-Warner Automotive, Inc., Sterling Heights, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
475211 ; 475212 ; 475210 ;
Abstract
A dual range infinitely variable transmission utilizes a continuously variable speed mechanism in conjunction with a fixed ratio speed mechanism to provide two power paths from the input to the rotatable output. A jaw clutch is utilized to switch between the high range and low range of the transmission. A reaction type clutch is utilized to provide a positive neutral for the transmission.