Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-09-27
1978-02-28
Burns, Wendell E.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123 1R, 123 32SP, 123 32SA, 60273, 60278, 60279, F02M 2506
Patent
active
040759946
ABSTRACT:
The invention relates to a method and apparatus for reducing the amount of undesirable products of combustion which are discharged to the atmosphere from an internal combustion engine during operation of the latter. The apparatus comprises, means for segregating a portion of an exhaust gas stream from the engine's exhaust discharge manifold or valve. The hot exhaust gas segment is cooled, combined with air to form a preliminary mixture, and delivered to the engine's combustion chambers. A predetermined volume of fuel is injected into the combustion chamber whereby to intermix with a portion of the preliminary mixture in such a manner that at least a part of the latter becomes combustible.
The apparatus for achieving the method comprises, means for recycling said segment of said hot exhaust gas. It further comprises means for controllably regulating the flow of the latter in response to the load variations imposed on the engine.
REFERENCES:
patent: 2484009 (1949-10-01), Barber
patent: 3542003 (1970-10-01), Sarto
patent: 3776207 (1973-12-01), Simko
patent: 3807376 (1974-04-01), Glockler et al.
patent: 3915134 (1975-10-01), Young et al.
patent: 3916857 (1975-11-01), Naito et al.
patent: 3954091 (1976-05-01), Stumpp
Mayer Edward A.
Plungis Donald W.
Burns Robert B.
Burns Wendell E.
Ries Carl G.
Texaco Inc.
Whaley Thomas H.
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