Automotive vehicle fuel consumption measuring device

Details Automotive vehicle fuel consumption measuring device Automotive vehicle fuel consumption measuring device

1981-03-12

1983-05-24

Myracle, Jerry W.

Measuring and testing

Internal combustion engine or related engine system or...

Compression

73115, G01F 900

Patent

active

043844790

ABSTRACT:
To provide for direct indication of fuel consumption rate (miles per gallon; kilometers per liter; liter/100 km) of fuel, a manometer providing output indication of induction pipe pressure has additional scales which read, directly, in fuel consumption, the respective scales being associated with fuel consumption at a selected gear in which the vehicle is then operating. Gear range information can be obtained from a switch coupled to the gear selection lever, from comparing vehicle wheel or transmission output speed with engine speed, derived, for example, from an ignition signal; to determine fuel consumption rate under pushing or towing operation, with the throttle closed, the vehicle tachometer can have an additional scale thereon showing fuel consumption rate with throttle closed. The fuel consumption rate scale of the manometer or the tachometer, respectively, can be selectively illuminated under control of the transmission output signal.

REFERENCES:
patent: 3977238 (1976-08-01), Byington, Jr.
patent: 4282746 (1981-08-01), Henke et al.

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