Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1974-10-02
1976-06-15
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123139AW, 261 50A, F02M 718
Patent
active
039630056
ABSTRACT:
A fuel supply system for internal combustion engines includes an air-flow measuring member located in the induction tube of the engine. The air-flow measuring member includes a lever which, when displaced, directly displaces a fuel metering control slide of a fuel metering valve assembly. This control slide is subjected to an opposing force exerted by pressurized fluid which may be fuel. The pressure of the control fluid is variable and is changed depending on temperature and on the composition of the exhaust gases. The temperature-dependent control of the fluid pressure is achieved by so disposing a bi-metallic spring in the pressure control valve that its changing force is added to the closing force of a primary control spring in the valve. A separate electric heater is provided to adapt the control process to the heating characteristics of the engine in a desired manner. The exhaust gas-dependent control of the fluid pressure is achieved by so disposing a secondary spring in the pressure control valve that its force is also added to the closing force of the primary control spring in the valve. The compression of the secondary spring may be altered by energizing an electromagnet under the control of the amplified signal from an exhaust gas monitor probe.
REFERENCES:
patent: 3680535 (1972-08-01), Eckert et al.
patent: 3730155 (1973-05-01), Knapp
patent: 3765387 (1973-10-01), Knapp
patent: 3809036 (1974-05-01), Knapp et al.
patent: 3835828 (1974-09-01), Knapp
patent: 3894523 (1975-07-01), Stumpp
Argenbright Tony
Greigg Edwin E.
Myhre Charles J.
Robert Bosch G.m.b.H.
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