Apparatus for computing the mean indicated pressure of an engine

Details Apparatus for computing the mean indicated pressure of an engine Apparatus for computing the mean indicated pressure of an engine

1977-07-12

1978-10-31

Myracle, Jerry W.

Measuring and testing

Vehicle drive train

Rear end

731173, G01M 1500

Patent

active

041227069

ABSTRACT:
An apparatus for measuring instantaneous values of pressure in the cylinders of a reciprocating engine and/or for computing the mean indicated pressure. A transducer associated with each cylinder senses the pressure at moments determined by sensing means co-operating with markings provided on a part of the engine, which effects a reciprocating movement synchronously with the movement of the piston. The markings may have the shape of equidistantly disposed teeth of uniform width and may be provided on the piston rod or on a piston coolant carrying telescopic tube. The sensing means may be of an inductive type which generates control pulses whenever a marking is passing by. The signals from the transducer and the sensing means are transmitted to an electronic calculator associated with a display for computing and visualizing the mean indicated pressure and other engine parameters.

REFERENCES:
patent: 3389599 (1968-06-01), Beale
patent: 3503256 (1970-03-01), List et al.

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