Method and apparatus for measuring air quantity in relation to e

Details Method and apparatus for measuring air quantity in relation to e Method and apparatus for measuring air quantity in relation to e

1978-06-19

1981-03-10

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123483, 123487, 731173, F02D 500

Patent

active

042547440

ABSTRACT:
First electrical pulses are generated in response to the quantity of air inducted per unit time and second electrical pulses are generated in response to the speed of revolution of an engine crankshaft. A counter is provided which counts the number of second electrical pulses for an interval between successive ones of the first electrical pulses. The counted number of second electrical pulses is fed into a computer where the signal is processed to derive a signal representative of the reciprocal of the counted number.

REFERENCES:
patent: 3927304 (1975-12-01), Wentworth et al.
patent: 3941103 (1976-03-01), Hartig
patent: 3991727 (1976-11-01), Kawai et al.
patent: 4058089 (1977-11-01), Schmidt et al.
patent: 4073270 (1978-02-01), Endo
patent: 4107717 (1978-08-01), Klotzner et al.
patent: 4121553 (1978-10-01), Hasegawa
patent: 4127092 (1978-11-01), Fresow et al.

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