Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-09-09
1979-02-27
Lazarus, Ronald H.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123122H, 219206, 219207, 261142, F02M 3100
Patent
active
041413270
ABSTRACT:
A carburetion system for providing improved cold start engine operation comprises a carburetor having an air-fuel passage, an air inlet to the passage, a fuel inlet to the passage for mixing fuel and air in the passage, and an outlet from the passage for delivering a mixture of air and vaporized fuel to the engine. A heater comprising a ceramic resistor body of a material of positive temperature coefficient of resistivity has a plurality of passages extending through the body and has means directing electrical current through the body for heating the body. The heater is mounted at the outlet of the air-fuel passage of the carburetor with the heater body passages aligned with the air-fuel passage to pass the air-fuel mixture through the heater passages in heat-transfer relation to the body to facilitate vaporization and mixing of the fuel in the air-fuel mixture.
REFERENCES:
patent: 2433374 (1947-12-01), Kruschke
patent: 3262190 (1966-07-01), Rostoker
patent: 3625190 (1971-12-01), Boissevain
patent: 3666924 (1972-05-01), Jensen
patent: 3719796 (1973-03-01), Abildtrup
patent: 3927300 (1975-12-01), Wada
patent: 3956614 (1976-05-01), Hervert
patent: 3987772 (1976-10-01), McBride
patent: 4020812 (1977-05-01), Hayward
Berg Peter G.
Marcoux Leo
Haug John A.
Lazarus Ronald H.
McAndrews James P.
Texas Instruments Incorporated
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