Interrelated power delivery controls – including engine control – Plural engines – Electric engine
Patent
1997-12-01
2000-02-01
Marmor, Charles A
Interrelated power delivery controls, including engine control
Plural engines
Electric engine
477 3, 74335, B60K 4102, B60K 102, F16H 5900
Patent
active
06019698&
ABSTRACT:
A powertrain system for a hybrid vehicle. The hybrid vehicle includes a heat engine, such as a diesel engine, and an electric machine, which operates as both, an electric motor and an alternator, to power the vehicle. The hybrid vehicle also includes a manual-style transmission configured to operate as an automatic transmission from the perspective of the driver. The engine and the electric machine drive an input shaft which in turn drives an output shaft of the transmission. In addition to driving the transmission, the electric machine regulates the speed of the input shaft in order to synchronize the input shaft during either an upshift or downshift of the transmission by either decreasing or increasing the speed of the input shaft. When decreasing the speed of the input shaft, the electric motor functions as an alternator to produce electrical energy which may be stored by a storage device. Operation of the transmission is controlled by a transmission controller which receives input signals and generates output signals to control shift and clutch motors to effect smooth launch, upshift shifts, and downshifts of the transmission, so that the transmission functions substantially as an automatic transmission from the perspective of the driver, while internally substantially functioning as a manual transmission.
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Lawrie Robert E.
Rausen David J.
Reed Richard G.
DaimlerChysler Corporation
Marmor Charles A
Pang Roger
Stec Jennifer M.
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