Method of determining fluctuations in indicated mean effective p

Details Method of determining fluctuations in indicated mean effective p Method of determining fluctuations in indicated mean effective p

1981-09-24

1985-06-25

Gruber, Felix D.

Boots, shoes, and leggings

73115, 364558, G01M 1500, G06F 1536

Patent

active

045257817

ABSTRACT:
A method of and an apparatus for measuring fluctuations in the indicated mean effective pressure of an engine from a deviation of the mean pressure or from an unbiased variance (mean square) of the mean pressure obtained from the deviation in the mean pressure by utilizing a deviation of the mean pressure becomes substantially identical with a deviation of the indicated mean effective pressure or an unbiased variance (mean square) of this mean pressure becomes substantially identical with an unbiased variance (mean square) of the indicated mean effective pressure in a cylinder of the engine. This deviation of the mean pressure is calculated from detected changes in the rotational speed of the engine.

REFERENCES:
patent: 3375711 (1968-04-01), Ives et al.
patent: 4049349 (1977-09-01), Wennerstrom
patent: 4111041 (1978-09-01), Rice
patent: 4197767 (1980-04-01), Leung
patent: 4301678 (1981-11-01), Full et al.
patent: 4375668 (1983-03-01), Leung et al.

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