Overspeed engine control

Details Overspeed engine control Overspeed engine control

1981-03-18

1984-07-31

Peters, Jr., Joseph F.

Motor vehicles

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

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

123351, B60K 3100

Patent

active

044624794

ABSTRACT:
Apparatus for controlling the speed of an engine of a vehicle includes a processor (26) for comparing actual speed of the engine with a 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 a retarder of the vehicle and being arranged to operate sequentially to control progressively magnitude of power applied to the retarder if control of the vehicle is not effected to reduce speed of the engine during sequential periods of predetermined duration.

REFERENCES:
patent: 2803743 (1957-08-01), Ballerait
patent: 3437188 (1969-04-01), Long
patent: 3578108 (1971-05-01), McConnell
patent: 3691525 (1972-09-01), McClellan et al.
patent: 3882973 (1975-05-01), Hakes
patent: 4101870 (1978-07-01), Eckman
patent: 4136329 (1979-01-01), Trobert
patent: 4211193 (1980-07-01), Cox
patent: 4250854 (1981-02-01), Matsui
patent: 4273208 (1981-06-01), Liermann
patent: 4294204 (1981-10-01), Hurner

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