Tachometer suitable for use in engine maintenance

Details Tachometer suitable for use in engine maintenance Tachometer suitable for use in engine maintenance

1980-05-14

1982-05-11

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

Structural installation or mounting means

73506, 73521, G01P 326

Patent

active

043287069

ABSTRACT:
Pressure changes in the engine case of an automobile are sensed to compute and display the engine rpm irrespective of the types of engines. A pressure sensing element is mounted on the oil filler port in the engine cylinder head cover by means of a mounting member made of an elastic material.

REFERENCES:
patent: 3059480 (1962-10-01), Carpenter
patent: 3195525 (1965-07-01), Beck
patent: 3704445 (1972-11-01), Lanham
patent: 3754471 (1973-08-01), Hohenberg

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