Device for obtaining signals for the control unit of an electron

Details Device for obtaining signals for the control unit of an electron Device for obtaining signals for the control unit of an electron

1975-10-30

1977-10-04

Cohan, Alan

Internal-combustion engines

Noncompression

F02D 500

Patent

active

040518183

ABSTRACT:
A device modifies the signals for the control unit of an electronic fuel injection system of an internal combustion engine in order to reduce lengthwise vehicle vibrations. The signals are derived from a tachometer that measures the engine speed and a gauge that measures the air flow supply to the engine. The device dampens the a.c. components in the signal either symmetrically or asymmetrically. This device can be in the form of a passive RC circuit with diodes to determine the operating points or it can be an active circuit.

REFERENCES:
patent: 3693603 (1972-09-01), Lemanczyk
patent: 3699935 (1972-10-01), Adler et al.
patent: 3915134 (1975-10-01), Young et al.
patent: 3927304 (1975-12-01), Wentworth et al.
patent: 3973529 (1976-08-01), Wessel et al.

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