Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Patent
1990-10-17
1991-07-02
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Crankcase vapor used with combustible mixture
123462, F02M 3300
Patent
active
050277839
ABSTRACT:
Both a system for an method for feeding gasoline fuel into a gasoline internal combustion engine are disclosed herein. This system and method is suitable for use after an internal combustion engine has been started and warmed to normal operating temperature. The system incorporates a two-way valve to stop the flow of fuel to the standard carburetor and direct the flow of fuel to our system and method. Our system incorporates a multi-port valve which selects a predetermined amount of fuel and directs the fuel to the Positive Crankcase Ventilation (P.C.V.) vacuum line which is run thru hot exhaust gases. The fuel by means of P.C.V. vacuum line is fed directly into the intake manifold. The resulting fuel has been vaporized, it is fed into the intake manifold, and mixed with air for combustion. This results in a low pollutant emission and high efficiency. The air for combustion is still controlled by the standard carburetor air intake and control. Each port of the multi-port valve has a selected exhaust port jet to feed a predetermined amount of liquid fuel into the P.C.V. vacuum line which will run the engine at that predetermined power and R.P.M. The present system and method will work with either electric or manual valves. The present system and method is described with a multi-port valve but the scope of present invention will work with a valve which incorporates one or more exhaust port jets.
REFERENCES:
patent: 3844262 (1974-10-01), Dieges
patent: 3923024 (1975-12-01), Dabrio
patent: 4342287 (1982-08-01), Concepcion
patent: 4462372 (1984-07-01), Jackson
patent: 4474158 (1984-10-01), Mowbray
patent: 4962745 (1990-10-01), Ohno et al.
Dolinar Andrew M.
Macy M.
LandOfFree
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