Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-04-09
1978-10-10
Schwadron, Martin P.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123139AW, 261 44B, 261DIG56, F02M 722
Patent
active
041190688
ABSTRACT:
A carburetor for internal combustion engines having a housing including a generally discoidal wall and a hub extending axially from the central portion thereof, an air valve having a relatively flat radially extending surface directed toward and concentric with said discoidal wall and with a central conoidal portion having its apex directed toward the interior of said hub portion. The housing wall and the radially extending surface of the valve define an air passage converging radially inwardly to form an annular valving construction and thence diverge into the interior of said hub. The hub includes an annular fuel passage terminating at its upper end in a circumferential series of micro-passages for directing liquid fuel uniformly distributed into said air passage substantially at said valving constriction at right angles to the direction of air flow. The air valve is adjustable axially toward and away from the discoidal wall of the carburetor housing to regulate the volume of air drawn into the engine with which said carburetor is associated.
Fuel is delivered under pressure to the fuel metering valve and from there through said micro-passages and controlled cams simultaneously regulate the axial adjustment of said air valve and the rate of delivery of fuel through said micro-passages according to a predetermined ratio pattern. A third jointly controlled cam simultaneously regulates the ignition timing in accordance with various air and fuel supply settings. The air valve, fuel supply and ignition timing settings are all independent of the existing degree of engine vacuum.
REFERENCES:
patent: 1630410 (1927-05-01), Stevenson
patent: 1974362 (1934-09-01), Weiertz et al.
patent: 2646264 (1953-07-01), Morris
patent: 2742271 (1956-04-01), McClain
patent: 3529809 (1970-09-01), Von Seld
patent: 3591148 (1971-07-01), Schmitz
Csonka Albert B.
Csonka John J.
Gerard Richard
Schwadron Martin P.
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