Motor vehicles – Power – Electric
Patent
1993-05-14
1996-02-20
Focarino, Margaret A.
Motor vehicles
Power
Electric
180309, 60300, B60K 602, B60K 1304
Patent
active
054921902
ABSTRACT:
An operating method for a hybrid vehicle which has an electric motor for driving the vehicle and an internal combustion engine for power generation. Upon completion of the activation of a catalyst, the engine is operated in warm-up mode with a small throttle valve opening, and when the output of a water temperature gauge thereafter reaches a predetermined value and the warm-up operation has completed, the engine is operated with a large throttle valve opening for the power generation. Thus, the hybrid vehicle can enjoy improved exhaust gas characteristics and increased cruising range and power performances. If it is determined that the storage amount of a battery is smaller than a predetermined storage amount when a starter key is so operated as to stop the vehicle, an alarm lamp is lighted, thus informing the driver of engine operation, and the engine operation is continued until the predetermined battery storage amount is reached or a predetermine time elapses from the start of the engine operation, whereby the battery is reliably charged. Accordingly, the battery can be reliably charged with power necessary to start the vehicle, and the cruising range and power performances of the vehicle are improved.
REFERENCES:
patent: 4470476 (1984-09-01), Hunt
patent: 5323868 (1994-06-01), Kawashima
Product Engineering, Hybrid bus responds to urban pollution, Nick Hunter, Mc-Graw-Hill World News, Bonn, Nov. 17, 1969, pp. 12 & 13.
Microprocessor Control of a Hybrid Energy System, W. B. Lawrance, et al., Aug. 1989, pp. 734-741.
Focarino Margaret A.
Mattix Carla
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
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