Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1994-09-28
1996-05-21
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
123361, 180179, 290 40A, 3404255, 361239, B60K 3100, B60Q 154
Patent
active
055192599
ABSTRACT:
In a device for controlling the speed of a motor vehicle in which a power-setting member for the internal combustion engine of the vehicle can be displaced via a switchable coupling by an electric motor, the electric motor receives the voltage necessary for the displacement of the power-setting member for the speed to be maintained from a control device, and the coupling is adapted to be switched by means of an electromagnet for separating the motor from the power-setting member when the device for controlling the speed is not in action. A first controllable switch is connected between one pole of the source of operating voltage and the electromagnet and a second controllable switch is connected between the other pole of the source of operating voltage and the electromagnet. The switches are adapted to be switched into conductive state by means of an operating element. A junction point between the electromagnet and the second controllable switch is connected via an optical indicating device to the one pole of the source of operating voltage.
REFERENCES:
patent: 4865151 (1989-09-01), Kobayashi et al.
patent: 5086740 (1992-02-01), Wiggins et al.
patent: 5125471 (1992-06-01), Iwaoka et al.
patent: 5197563 (1993-03-01), Sakonju et al.
patent: 5293855 (1994-03-01), Nakamura
Elms Richard T.
Farber Martin A.
Shoop Jr. William M.
VDO Adolf Schindling AG
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