Acceleration control system

Motor vehicles – Bodies


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180105R, 180 77R, B60K 3100




An improved acceleration control system is utilized to prevent overspeeding or spinning of engine driven vehicle wheels. The acceleration control system includes a first sensor for detecting variations in the rate of rotation of engine driven wheels and a second sensor for detecting variations in the rate of rotation of nondriven wheels. The two rates of rotation are compared and if the rate of rotation of the driven wheels exceeds the rate of rotation of the nondriven wheels by more than a predetermined amount, a mechanical-hydraulic throttle motion divertor assembly is activated to reduce engine operating speed. The divertor assembly includes a pair of pistons which cooperate with a body of liquid to transmit motion from an accelerator pedal to a throttle linkage. During normal operation of the vehicle, the volume of the body of liquid remains substantially constant and the body of liquid is effective to transmit hydrostatic pressure forces between the two pistons. Upon the occurrence of an excessive rate of rotation of the driven wheels relative to the nondriven wheels, a valve is opened and the volume of the body of liquid is decreased. This results in movement of one of the pistons relative to the other and actuation of the throttle linkage to decrease the engine operating speed.

patent: 2825418 (1958-03-01), Kershman
patent: 3053990 (1962-09-01), Von Berg et al.
patent: 3331478 (1967-07-01), Trifiletti et al.
patent: 3502167 (1970-03-01), Baxter et al.
patent: 3626919 (1971-12-01), MacMillan
patent: 3752249 (1973-08-01), Gelenius et al.
patent: 3776355 (1973-12-01), Scherenberg
patent: 3844371 (1974-10-01), Garcea


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Profile ID: LFUS-PAI-O-1995981

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