Engine efficiency meter

Details Engine efficiency meter Engine efficiency meter

1979-03-08

1980-09-23

Yasich, Daniel M.

Measuring and testing

Vehicle drive train

Rear end

116 56, 116304, G01L 326, G01M 1500

Patent

active

042235537

ABSTRACT:
A meter for displaying the operating efficiency of a motor vehicle, which includes a pointer movable across an instrument face, is provided with an opaque screen covering the face and having a transparent window exposing a portion of the face corresponding to operating efficiencies of the vehicle while operating at a constant vehicle speed.

REFERENCES:
patent: 2006873 (1935-07-01), Purton
patent: 2983248 (1961-05-01), Steinke
patent: 3347092 (1967-10-01), Stutson
patent: 3374666 (1968-03-01), Shattuck
patent: 3375711 (1968-04-01), Ives et al.
patent: 3930408 (1976-01-01), Kadota
patent: 4062230 (1977-12-01), Perr et al.

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