Vehicle speed control

Details Vehicle speed control Vehicle speed control

1981-03-18

1984-02-28

Peters, Jr., Joseph F.

Motor vehicles

With means responsive to speed of vehicle for maintaining...

Including device to signal to operator existence of unusual...

340 53, 340670, B60Q 154

Patent

active

044337469

ABSTRACT:
Apparatus for controlling speed of a vehicle having a retarder includes a receiver (1) for receiving signals from a transmitter (2) indicative of a reference speed and a processor (26) for comparing actual speed of the vehicle with the reference speed and for generating output signals if the actual speed is in excess of the reference speed, the output signals controlling valves (13, 14 and 15) of an air supply system (12) to the retarder and being arranged to operate sequentially to control progressively magnitude of power supplied to the retarder if the vehicle speed is not reduced during sequential periods of predetermined duration.

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patent: 4250854 (1981-02-01), Matsui et al.
patent: 4294204 (1981-10-01), Hurner

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