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:
Apr. 18, 2017
Filed:
Aug. 07, 2014
Applicant:
Jaguar Land Rover Limited, Warwickshire, GB;
Inventors:
Assignee:
JAGUAR LAND ROVER LIMITED, Whitley, Coventry, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/02 (2006.01); F16H 59/62 (2006.01); F16H 59/64 (2006.01); F16H 59/66 (2006.01);
U.S. Cl.
CPC ...
F16H 61/0213 (2013.01); F16H 59/62 (2013.01); F16H 59/64 (2013.01); F16H 2059/663 (2013.01); F16H 2061/023 (2013.01);
Abstract
A method and apparatus for modifying the shift map of an automatically controlled vehicle transmission having individually selectable speed ratios. A calibrator determines launch ratio from a plurality of speed ratios and is responsive to ambient pressure and/or ambient temperature. The calibrator may be further responsive to engine speed, engine temperature, transmission temperature, gradient and direction of gradient.