Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1977-05-04
1980-01-15
Smith, Leonard E.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123 25E, 123119B, 123119D, F15C 116
Patent
active
041833384
ABSTRACT:
A combustion control system adds a fluid and heat energy to the air-fuel mixture of the induction system of an internal combustion engine in response to engine need to improve combustion, to increase power, to improve efficiency, and to reduce emissions.
The system incorporates fluidic control mechanisms which provide the control functions without any moving parts.
The system incorporates one or more variable impedance flow control mechanisms, each of which produces an impedance to flow through the control mechanism which varies in a controlled relationship to the pressure differential across the control mechanism.
In one embodiment, the main variable impedance control mechanism is a vortex chamber. The outlet of the vortex chamber is connected to the positive crankcase ventilation (PCV) inlet to intake manifold downstream of the butterfly valve.
The vortex chamber has inputs for supplying air, the liquid, exhaust gases, and PCV gases for mixing within the vortex chamber. The incoming liquid, air, exhaust gases, and PCV gases are transmitted into the main vortex chamber by input constructions which, in themselves, provide for controlled regulation of both the relative proportions and total amounts of the incoming liquid and gases.
In a specific embodiment, the input constructions include a liquid-exhaust gas acceleration chamber for mixing liquid with exhaust gases and a PCV-exhaust gas vortex chamber for mixing exhaust gases with PCV gases and air and swirl producing devices for causing controlled choking of the inlets of one or more of the vortex chambers.
The system also incorporates a variable impedance syphon break in the line connecting the liquid source with the liquid-exhaust gas acceleration chamber.
REFERENCES:
patent: 3139873 (1964-07-01), Gardner
patent: 3177858 (1965-04-01), Vanderpoel
patent: 3530842 (1970-09-01), Von Brimer
patent: 3557763 (1971-01-01), Probst
patent: 4027635 (1977-06-01), Sato et al.
Smith Leonard E.
U.S.A. 161 Developments Ltd.
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