Method for controlling a powertrain

Power plants – Pressure fluid source and motor – Condition responsive control of or by input to input pump...

Reexamination Certificate

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C701S054000

Reexamination Certificate

active

07845168

ABSTRACT:
A method for controlling a powertrain is disclosed. The powertrain includes a work arrangement, an engine for providing power to the work arrangement, and a transmission for transmitting power from the engine to the work arrangement. The method includes determining an efficient speed range of the transmission, determining at least one parameter indicative of a speed of the transmission, determining if the speed corresponds to the efficient speed range of the transmission, and adjusting the engine output in response to determining if the speed corresponds to the efficient speed range of the transmission.

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patent: 7661266 (2010-02-01), Essig
patent: 2006/0155452 (2006-07-01), Strenkert
patent: 2007/0276570 (2007-11-01), AbuSamra
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European Search Report and Opinion dated Apr. 19, 2007, for Application No. 06124775.5 (9 pages).

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