Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1975-01-16
1977-04-12
Lazarus, Ronald H.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
165 52, 123124R, 123119DB, F02M 3100
Patent
active
040168476
ABSTRACT:
A split-path fuel/air induction system for carbureted internal combustion engines. One embodiment of the system utilizes an annular separation chamber located directly beneath the carburetor and discharging into the intake manifold. A flow of fuel/air mixture aspirated through the carburetor enters the separation chamber and is caused to divide within the chamber. A majority of the incoming air and vaporized fuel take a sharply curved first path and are partially deflected by an annular shield within the separation chamber so as to flow directly into the intake manifold. Liquid droplets of fuel, above a minimum size, are separated from the air stream due to their own inertia and are caused to take a second path. This second path leads beneath and behind the deflector shield. A heating coil located behind the shield heats the liquid fuel causing it to vaporize and then enter the intake manifold.
An alternative embodiment also utilizes a dual-path induction system. One path aspirates only air directly into the intake manifold and the second path aspirates liquid fuel and only a small amount of air. The latter fuel/air mixture enters a heated chamber where the liquid fuel is totally vaporized and then discharged into the intake manifold.
REFERENCES:
patent: 1630048 (1927-05-01), Balachowsky
patent: 2116718 (1938-05-01), Stubbs
patent: 2884917 (1959-05-01), Quinby
patent: 2968297 (1961-01-01), Rauen
Lazarus Ronald H.
Snyder Ray E.
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