Apparatus for measuring engine cylinder pressures

Details Apparatus for measuring engine cylinder pressures Apparatus for measuring engine cylinder pressures

1974-09-16

1976-02-24

Myracle, Jerry W.

Measuring and testing

Vehicle drive train

Rear end

G01M 1500

Patent

active

039397033

ABSTRACT:
Apparatus for measuring engine cylinder pressures having an arcuate metal strip, means for mounting the strip at one end to the engine block and at the other to the engine head such that the strip spans the engine head gasket and strains in the gasket cause bowing of the metal strip, and a transducer mounted on the strip for measuring the amount of bowing of the strip and providing an output signal related to this. A preferred means for mounting the strip is metal dowels attached to the end of the strip and rigidly mounted in openings in the cylinder head and block and the preferred transducer comprises a pair of resistance element strain gauges mounted on the inside and the outside of the arcuate portion of the metal strip.

REFERENCES:
patent: 2569949 (1951-10-01), Prescott
patent: 3690162 (1972-09-01), Stecker

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