Arrangement in motor vehicles for indicating engine loads

Details Arrangement in motor vehicles for indicating engine loads Arrangement in motor vehicles for indicating engine loads

1984-11-06

1986-05-06

Cuchlinski, Jr., William A.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

F02D 900

Patent

active

045864721

ABSTRACT:
An arrangement in a motor vehicle informing the driver of fuel-economy conditions while driving the vehicle, by creating at the limit at which uneconomic driving commences a pressure point at which further depression of the pedal is resisted. The accelerator pedal is acted upon by a vacuum assembly controlled by a control valve having an auxiliary unit which compares the engine intake pressure with a limit pressure for uneconomic driving and which, when the intake pressure exceeds the limit pressure, switches the control valve to a position in which the vacuum assembly is ventilated to atmosphere, whereupon the assembly is set to an inactive state, and automatically resets the control valve to a normal working position, when the intake pressure lies beneath the limit pressure.

REFERENCES:
patent: 3623693 (1971-11-01), Hill
patent: 3926160 (1975-12-01), Husband
patent: 4077370 (1978-03-01), Spangenberg
patent: 4270501 (1981-06-01), Breen et al.
patent: 4337743 (1982-07-01), Mattson

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