Interrelated power delivery controls – including engine control – Transmission control – With clutch control
Patent
1997-06-04
1999-09-28
Marmor, Charles A
Interrelated power delivery controls, including engine control
Transmission control
With clutch control
192 83, 192 358, 477 70, F16D 4802
Patent
active
059578068
ABSTRACT:
A shift control apparatus for a transmission coupled to a power source via a clutch includes an electronic control unit for delivering a shift command giving instructions for a gear shifting, and a gear shift unit for performing the gear shifting in response to the shift command. The electronic control unit delivers, in association with the shift command, a first clutch stroke command varying between off-clutch and an on-clutch positions. The shift control apparatus includes a hydraulic master cylinder producing a hydraulic pressure which serves as a second clutch stroke command and which varies in accordance with the operational position of a clutch pedal, and an air cylinder unit with a hydraulic cylinder section for switching the clutch between the off-clutch and on-clutch positions. The air cylinder unit operates in accordance with one of the first and second clutch stroke commands which represents a target clutch plate position closer to the off-clutch state. When the clutch pedal is depressed, the cylinder unit brings the clutch into the off-clutch position in response to a supplied hydraulic pressure, thereby permitting a required gear shifting even when the pedal is depressed.
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Hirose Yoshito
Ikeya Kouichi
Kenmoku Masakatu
Nishina Takao
Marmor Charles A
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
Parekh Ankur
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