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:
Oct. 14, 2014
Filed:
Sep. 14, 2009
Applicant:
Michael E. Kahl, Hagerstown, MD (US);
Inventor:
Michael E. Kahl, Hagerstown, MD (US);
Assignee:
Mack Trucks, Inc., Greensboro, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 3/08 (2006.01); F16H 3/00 (2006.01); F16H 3/093 (2006.01);
U.S. Cl.
CPC ...
F16H 3/006 (2013.01); F16H 2200/006 (2013.01); Y02T 10/76 (2013.01); F16H 2003/0931 (2013.01);
Abstract
A multi clutch transmission includes a first clutch plate mounted on a first input shaft, a second clutch plate mounted on a second input shaft arranged concentrically around the first input shaft, a third clutch plate mounted on a third input shaft arranged concentrically around the second input shaft, and a clutch housing comprising a plurality of reaction plates, the first, second, and third clutch plates being individually and selectively engageable and disengageable with reaction plates in the clutch housing. A multi clutch transmission can also include at least three countershafts arranged around the input shafts.