Interrelated power delivery controls – including engine control – Electric engine – With clutch control
Patent
1996-04-19
1997-11-25
Ta, Khoi Q.
Interrelated power delivery controls, including engine control
Electric engine
With clutch control
477 12, 477 15, 318265, 180 657, 180 658, B60K 4148
Patent
active
056905807
ABSTRACT:
A neutral apparatus for use on an electric vehicle is disclosed. The neutral apparatus comprises a control state detector and a neutral mechanism control circuit. The control state detector detects whether or not the motor control unit is in a predetermined control state. The neutral mechanism control unit can instruct the neutral mechanism to interrupt the power train according to the output signal from the control state detector. If the motor control unit is not in the predetermined control state, this is detected by the control state detector. In response to the output signal from the control state detector, the neutral mechanism control circuit causes the neutral mechanism to interrupt the power train. Thus, power flow from the motor to the drive wheels is interrupted. The control state detector is comprised of a voltage comparator circuit for comparing the output voltage from the motor driver circuit with a reference voltage and produces an output signal. As a result, it becomes possible to monitor the control state of the vehicle during movement thereof by means of an arrangement simple in construction.
REFERENCES:
patent: 2662604 (1953-12-01), Henderson
patent: 2936052 (1960-05-01), Snarr
patent: 3896914 (1975-07-01), Konsbruck et al.
patent: 3984742 (1976-10-01), Bader
patent: 4520909 (1985-06-01), Brewer
Hayashi Kiyotaka
Hoshi Naofumi
Ito Hisahiro
Itoh Tomoyuki
Kimura Kiyoshi
Honda Giken Kogyo
Ta Khoi Q.
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