Apparatus for producing an engine-speed signal for an electronic

Details Apparatus for producing an engine-speed signal for an electronic Apparatus for producing an engine-speed signal for an electronic

1974-04-04

1976-03-02

Myhre, Charles J.

Internal-combustion engines

Noncompression

123139E, F02B 300

Patent

active

039411001

ABSTRACT:
Apparatus for producing a signal representative of engine speed (RPM) for use in an electronically controlled fuel injection system. The apparatus includes means for producing a first train of pulses in which the pulse intervals are dependent upon engine speed, and a signal processor for receiving the first train of pulses and producing a second train of pulses in which the pulse intervals correspond, at least approximately, to the mean value of the pulse intervals in the first pulse train.

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patent: 3581723 (1971-06-01), Scholl
patent: 3685526 (1972-08-01), Hobo et al.
patent: 3724433 (1973-04-01), Voss et al.
patent: 3742920 (1973-03-01), Black
patent: 3750631 (1973-08-01), Scholl et al.
patent: 3782347 (1974-01-01), Schmidt et al.
patent: 3809029 (1974-05-01), Wakamatsu et al.
patent: 3811420 (1974-05-01), Vogel
patent: 3821659 (1974-06-01), Ludwig

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