Apparatus for detecting amount of change in rotational speed of

Details Apparatus for detecting amount of change in rotational speed of Apparatus for detecting amount of change in rotational speed of

1984-06-11

1987-01-06

Lall, Parshotam S.

Boots, shoes, and leggings

123480, F02D 500

Patent

active

046352015

ABSTRACT:
A rotational speed change amount detecting apparatus for an internal combustion engine comprises a pulse generator for generating reference pulses representing detection of a reference rotational position of the engine, a first computer for computing the average engine speed over one combustion cycle of the engine on the basis of the time interval between the pulses, a second computer for computing, after every m pulses, the rate of speed change of the engine from the average engine speed for the most recent cycle and that for m pulses earlier, and an integrator for integrating the rate of speed change output from the second computer to obtain the amount of change in the rotational speed of the engine.

REFERENCES:
patent: 4442815 (1984-04-01), Ninomiya
patent: 4448162 (1984-05-01), Ninomiya
patent: 4495920 (1985-01-01), Matsumura et al.
patent: 4506639 (1985-03-01), Murakami et al.
patent: 4532592 (1985-07-01), Citron et al.

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