Internal-combustion engines – Noncompression
Patent
1977-09-08
1979-04-17
Myhre, Charles J.
Internal-combustion engines
Noncompression
123 33E, 123 34A, 123 35, 123131, F02B 6900
Patent
active
041494970
ABSTRACT:
A fuel delivery system for an internal combustion engine of the compression ignition-fuel injected type, in which the fuel delivery system includes an arrangement for externally vaporizing the fuel before injection, the arrangement comprising a mixing chamber within which is directed a quantity of compressed air or other gas, and into which is atomized a variable proportion of fuel to form a vaporized fuel-gas mixture. A constant volume of the vaporized fuel-gas mixture is injected into the engine cylinders with the ratio of the vaporized fuel-gas mixture injected into the chambers varied to control the power output of the engine, so that the fuel injectors can be of constant volume design. The quantity of vaporized fuel-gas mixture proportion to the total volume compressed within each engine cylinder is maintained from eight to twelve percent, when air is used as the gas in the mixture such that as the vaporized fuel-air mixture is varied in proportion, the fuel proportion always being high enough to be out of the flammability range while never being increased to the level at which condensation of fuel could occur insuring maintenance of the state of vaporization of the quantity of fuel in the mixture throughout the operating condition of the engine. An analysis of a typical gasoline fuel and a butane fuel in an air mixture is disclosed demonstrating the limits in fuel proportion defined by the flammability and condensation properties of the fuel constituents.
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Diesel and High Compression Gas Engines--Fundamentals, Kates, 1954, pp. 96-97.
Myhre Charles J.
Reynolds David D.
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