Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1989-02-02
1990-09-11
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Heating of combustible mixture
123545, 123575, F02M 3102
Patent
active
049553518
ABSTRACT:
The invention produces and meters a constant supply of volatile gasoline vapors into the cylinders of an internal combustion gasoline engine. The vapors are produced by releasing them from liquid gasoline through pressure differential inside a closed vaporizer container. Vapor is transferred from the container to the fuel delivery mechanism by introducing the vapor into one or more constant vacuum inlet ports of the fuel delivery mechanism. A variable gascock valve regulates the flow of vapor. These constant vacuum inlet ports, and lines thereto, are standard components of all modern automobile engines and require no modification for installation of the invention. All gasoline burned by the engine first passes through the system's vaporizer container where a portion of the available vapor (free vapor) is released and transferred to the fuel delivery mechanism. Unvaporized liquid gasoline within the container is concurrently pumped to the fule delivery mechanism by an auxiliary fuel pump.
REFERENCES:
patent: 4338907 (1982-07-01), Lindbeck
patent: 4398523 (1983-08-01), Henson
patent: 4476840 (1984-10-01), Budnicki et al.
patent: 4489699 (1984-12-01), Poehlman
patent: 4498447 (1985-02-01), Harvey
patent: 4553520 (1985-11-01), Lindenmaier et al.
patent: 4562820 (1986-01-01), Jiminez
Cox James W.
Lewis Alfred M.
Dougherty Ralph H.
Maly M.
Wolfe Willis R.
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