Internal-combustion engines – Charge forming device – Charge-mixing device in intake
Patent
1984-11-27
1986-04-08
Cross, E. Rollins
Internal-combustion engines
Charge forming device
Charge-mixing device in intake
123188M, 123593, 123306, 123549, 48189, F02M 2904
Patent
active
045805440
ABSTRACT:
An air/fuel homogenizing device for use downstream of a carburetor and upstream of the intake to an internal combustion engine to more effectively homogenize and/or otherwise improve the entrainment of the fuel in the air stream from the carburetor comprises, a swirl chamber into which the air/fuel mix enters tangentially of the swirl to be created therein and from which it exits axially of the swirl created therein the boundary or at least a portion thereof against which the swirling fuel/air mix impinges or passes being heated to a temperature, above ambient temperature or at least the temperature of the fuel/air mix to assist in vaporization by the use of a fluid jacket which receives either exhaust gases or coolant from the engine and a fuel particle size reducing member disposed about the substantially axial exit opening from the swirl chamber through which reducing means the air/fuel mix passes to exit the chamber. The particle size reducing member extends substantially the full axial extent of the swirl chamber, is an exit opening surrounding member selected from a mesh member and a perforated member and/or is substantially cylindrical in its outer appearance but includes inwardly directed baffle members internally thereof. The invention also comprises a combination of an engine and the air/fuel homogenizing device and an air/fuel mixing device such as a carburetor or a fuel injector.
REFERENCES:
patent: 2864355 (1958-12-01), Woodworth, Jr.
patent: 3146768 (1964-09-01), Osborne
patent: 4318386 (1982-03-01), Showalter et al.
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