Rotational speed measuring device with economy field

Details Rotational speed measuring device with economy field Rotational speed measuring device with economy field

1983-08-02

1985-06-18

Myracle, Jerry W.

Measuring and testing

Internal combustion engine or related engine system or...

Compression

G01M 1500

Patent

active

045234574

ABSTRACT:
An installation for the indication of the fuel consumption, especially of heavy truck engines, with a sensor for the position of the drive pedal and with a set of fuel consumption-engine rotational speed-characteristic curves stored in a storage device and dependent on the drive pedal position; a predetermined number of at least single-color light diodes, of which each is coordinated to a predetermined partial range of engine rotational speed and indicates an information about the specific fuel consumption as a function of the instantaneous control rack, respectively, throttle valve position coordinated to the drive pedal position within the engine rotational speed partial range corresponding to the stored set of fuel consumption-engine rotational speed curves, are integrated into the dial of a tachometer corresponding to their coordination to the predetermined engine rotational speed partial ranges.

REFERENCES:
patent: 4210908 (1980-07-01), Sakakibara
patent: 4244210 (1981-01-01), Prohaska et al.
patent: 4444047 (1984-04-01), Kern

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