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:
Dec. 27, 2011
Filed:
Dec. 22, 2008
James S. Rice, Deer Creek, IL (US);
Kevin G. Meyer, Metamora, IL (US);
Michael W. Krause, Manito, IL (US);
Larry W. Carpenter, Peoria, IL (US);
James S. Rice, Deer Creek, IL (US);
Kevin G. Meyer, Metamora, IL (US);
Michael W. Krause, Manito, IL (US);
Larry W. Carpenter, Peoria, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
The transmission includes a housing, input and output shafts, and four planetary gear trains each having at least three members including a ring gear, at least one carrier, and a sun gear. The input and output shafts are is continuously interconnected with gear(s) and/or carrier(s). Links continuously interconnect the carrier(s) and/or gears between gear trains. The six torque-transmitting mechanisms are engagable in combinations of two to establish at least seven forward speed ratios and at least one reverse speed ratio between the input shaft and the output shaft.