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. 05, 2011
Filed:
Sep. 06, 2006
Applicants:
John Rowley, Tigard, OR (US);
Hong-chin Lin, Glenview, IL (US);
Chenyao Chen, Portland, OR (US);
Robert Lee Chess, Troutdale, OR (US);
Inventors:
John Rowley, Tigard, OR (US);
Hong-Chin Lin, Glenview, IL (US);
Chenyao Chen, Portland, OR (US);
Robert Lee Chess, Troutdale, OR (US);
Assignee:
NMHG Oregon, Inc., Portland, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G 7/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for controlling a power-shift transmission comprising controlling a vehicle travel speed by simultaneously slipping two or more clutch packs associated with opposing directions of vehicle travel and adjusting an engine speed, according to a programmed response associated with a change in one or more of the engine speed, a torque converter slip, a selected direction of vehicle travel, and an accelerator position.