Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1980-12-15
1984-07-31
Myhre, Charles J.
Internal-combustion engines
Charge forming device
Fuel injection system
123458, 123451, 137885, F02B 1900, F02M 5900
Patent
active
044623690
ABSTRACT:
A fuel injection apparatus for controlling fuel injectors for internal combustion engines which injectors remain normally shut as a result of a high fuel pressure applied on either side of injector fuel nozzles. The apparatus of the present invention includes a first slide valve member which, by sliding from one extreme position to another, is able to lower the pressure below a fuel nozzle associated with a fuel injector to start a fuel injection cycle in that injector. The apparatus also includes a second slide valve member which, by sliding from one extreme position to another, is able to increase the pressure below the fuel nozzle to end the fuel injection cycle and control the duration of the fuel injection cycle as well as the flow rate of the injected fuel. The first and second slide valve members return to their initial positions after two consecutive fuel injection cycles.
REFERENCES:
patent: 3416506 (1968-12-01), Steiger
patent: 3530884 (1970-09-01), Kutz
patent: 3851635 (1974-12-01), Murtin
patent: 4185779 (1980-01-01), Watson
Dazzi Jean-Louis
Froment Jean-Louis
Miller Carl Stuart
Myhre Charles J.
Renault Vehicules Industriels
VanOphem Remy J.
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