Electric motor driven speed control

Details Electric motor driven speed control Electric motor driven speed control

1986-11-14

1988-04-19

Mitchell, David M.

Motor vehicles

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

Including fluid pressure actuated servomechanism

180179, B60K 3106

Patent

active

047383313

ABSTRACT:
A speed control device for a motor vehicle uses a conventional DC electric motor. The motor has a freewheeling shaft, unless power is supplied. An advancing linkage connected between the shaft and throttle advances the throttle when power is supplied. A piston in a cylinder is connected to the shaft also, to selectively prevent the shaft from rotating in a retracting direction when power is off. A microcomputer opens a valve to allow the piston to move outward in the cylinder when a speed decrease is desired.

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IEEE Spectrum, "More Electronics in Detroit's 1985 Models", Ronald K. Jurgen, Oct. 1984, pp. 54-60.
IEEE Spectrum, "Less Sizzle, More Beef for Detroit in '86", Ronald K. Jurgen, Oct. 1985, pp. 77-83.
IEEE Spectrum, "Detroit's 1987 Models: New Electronic Inroads", Ronald K. Jurgen, Oct. 1986, pp. 68-72.
William Barden, Jr., "Z-80 Microcomputer Design Projects", Howard W. Sams & Co., Inc., pp. 158-162 and preface.

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