Deceleration detector system for motor vehicles with automatic t

Details Deceleration detector system for motor vehicles with automatic t Deceleration detector system for motor vehicles with automatic t

1975-07-24

1977-04-26

Caldwell, John W.

Communications: electrical

Selective

Having indication or alarm

307 10R, 123117R, F02P 504

Patent

active

040204553

ABSTRACT:
Apparatus to detect deceleration of a motor vehicle having an automatic transmission includes a first electrical switch operated by release of pressure from the accelerator pedal and a second electrical switch operated by application of pressure to the brake pedal. A detector device having an output signal is connected in parallel with the electric switches. The output signal of the detector device is employed to vary the spark timing of an internal combustion engine. In a modification, the electric switches are connected in series.

REFERENCES:
patent: 2621265 (1952-12-01), Alcoriza
patent: 3215979 (1965-11-01), Ryan
patent: 3620324 (1971-11-01), Smitley
patent: 3626455 (1971-12-01), Toda, et al.
patent: 3779219 (1973-12-01), Saita

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