System for measuring crank angle for internal combustion engine

Details System for measuring crank angle for internal combustion engine System for measuring crank angle for internal combustion engine

1982-06-03

1984-11-20

Myracle, Jerry W.

Measuring and testing

Test stand

For engine

73115, G01M 1500

Patent

active

044831838

ABSTRACT:
A system for measuring crank angle of an internal combustion engine by detecting the variation of the pressure in the induction passage of the engine. The system is provided with a pressure sensor responsive to the pressure in the induction passage for generating an output signal, and a pulse generating circuit. The pulse generating circuit operates to produce pulses from the variation of the output signal of the pressure sensor and comprises a circuit for producing a mean value between the maximum value and the minimum value of the output signal.

REFERENCES:
patent: 3864963 (1975-02-01), Rivere
patent: 3977239 (1976-08-01), Hulls et al.
Thomas, D. W. et al., Determination of Engine . . . Waveform, from Electronics Letters, Apr. 2, 1970, vol. 6, No. 7, pp. 193, 194.

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