Interrelated power delivery controls – including engine control – Transmission control – Control by sensed ambient condition – pattern indicia,...
Reexamination Certificate
2006-10-17
2006-10-17
Wright, Dirk (Department: 3681)
Interrelated power delivery controls, including engine control
Transmission control
Control by sensed ambient condition, pattern indicia,...
47
Reexamination Certificate
active
07121976
ABSTRACT:
A control system for a motor vehicle is provide which is capable of reducing a load on a friction engagement device and preventing the friction engagement device from being damaged. A transmission50includes a plurality of gears and a plurality of dog clutches for transmitting torque from an input shaft41to an output shaft50and a friction engagement device10. A torque transmission path from the input shaft41to the output shaft50is formed through engagement between the gear and the dog clutch. When the engagement between the gear and the dog clutch is changed from a first engagement to a second engagement, the friction engagement device10is used to transmit torque of an engine6from the input shaft41to the output shaft50. A power train unit100includes state determiner310and engine torque control means320. The state determiner310detects or estimates a thermal state of the friction engagement device10. The engine torque controller320controls the torque of the engine6according to a parameter representing the thermal state detected or estimated by the state determiner310.
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Matsumura Tetsuo
Minowa Toshimichi
Ochi Tatsuya
Okada Takashi
Ozaki Naoyuki
Hitachi , Ltd.
Wright Dirk
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