Internal-combustion engines – Four-cycle – Single poppet valve
Patent
1997-10-14
1999-11-02
McMahon, Marguerite
Internal-combustion engines
Four-cycle
Single poppet valve
123543, F02B 7532
Patent
active
059750359
ABSTRACT:
The inventon is an improvement of the air induction circuit for internal combustion reciprocating piston engines which employ regenerative heating for the volatilization of fuels and their admixtures in an injection cup heated by the exhaust stream, and in particular to those types of engine systems which employ exhaust gas ejectors in their intake and exhaust manifolding.
An auxiliary conduit serving as an air balancing circuit is placed in communication with an air plenum which is also in communication with the ejector air charge circuit. The primary object of this improvement is in its facilitation of the control and stabilization of a uniform mixture ratio of air/fuel charge to the engine.
The flow circuit of the auxiliary conduit is controlled by a cam operated poppet valve in synergistic operation with the engines crankshaft and electronically senses and compensates for the displacement of intake air by high volatilization of fuel in the injection cup positioned within the exhaust gas ejector nozzle.
REFERENCES:
patent: 4418532 (1983-12-01), Momose et al.
patent: 5205246 (1993-04-01), McWhorter
patent: 5331930 (1994-07-01), McWhorter
patent: 5385133 (1995-01-01), Ikuta et al.
patent: 5417195 (1995-05-01), Tachikawa et al.
patent: 5529031 (1996-06-01), Yoshioka
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