Engine operation related event timing system

Details Engine operation related event timing system Engine operation related event timing system

1981-10-16

1983-10-04

Myracle, Jerry W.

Measuring and testing

Test stand

For engine

G01M 1500

Patent

active

044071558

ABSTRACT:
A system for indicating the timing of an engine control event relative to the top dead center position of an internal combustion engine. A sensor responsive to piston movement develops pulses of equal angular width before and after the top dead center position of a selected piston, and the time relation of the sensor pulses with respect to the initiation of an engine control event is used to determine the timing of the engine control event with respect to the piston top dead center position. The timing so determined is compensated for engine acceleration by taking into account the difference in duration of the two sensor pulses.

REFERENCES:
patent: 2072984 (1937-03-01), Haskins
patent: 3454871 (1969-07-01), Nolting
patent: 3589177 (1971-06-01), Merlo
patent: 4043189 (1977-08-01), Tedeschi
patent: 4052663 (1977-10-01), Lindsey
patent: 4131014 (1978-12-01), Scott
patent: 4136558 (1979-01-01), Lukes et al.
patent: 4141242 (1979-02-01), Scott
patent: 4331029 (1982-05-01), Wilson
Merlo, A. L., Combustion Chamber . . . Resonances, from IEEE Transactions, Apr. 1970, vol. IECI-17, No. 2, pp. 60-66.
Lienesch, J. H. et al., Using Microwaves . . . Position, SAE Technical Paper 790103, Mar. 2, 1979, pp. 1-9.

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