Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-01-09
1977-05-31
Burns, Wendell E.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123103R, 180108, 180109, F02D 1108
Patent
active
040262553
ABSTRACT:
In an internal combustion engine of an automotive vehicle of the type having a carburetor which is operated by an accelerator pedal attached to the carburetor throttle valve by suitable linkage, a system is provided for comparing the actual intake manifold pressure to a predetermined intake manifold pressure setting. Means are provided for signaling the vehicle driver when the absolute intake manifold pressure increases above the predetermined setting for the desired operating condition to permit the driver to operate the vehicle in an optimum fuel-saving manner. The system comprises a control mechanism which senses intake vacuum and compares it to a predetermined intake manifold absolute pressure. The control mechanism is operable upon an increase in the intake manifold absolute pressure above the predetermined setting to operate an actuator mechanism that is connected to the throttle linkage for exerting a force which resists the opening of the carburetor throttle valve and signals the vehicle driver through a return force in the accelerator pedal that the driver is operating the engine in an uneconomical manner.
REFERENCES:
patent: 2148729 (1939-02-01), Coffey
patent: 2519859 (1950-08-01), Teetor
patent: 2692980 (1954-10-01), Platt
patent: 2825418 (1958-03-01), Kershman
patent: 3158141 (1964-11-01), Harris
patent: 3388765 (1968-06-01), Sheppard
patent: 3958542 (1976-05-01), Tanner
Basile Andrew R.
Burns Wendell E.
Randolph William
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