Heated flow director

Details Heated flow director Heated flow director

1979-11-13

1981-12-01

Lazarus, Ronald H.

Internal-combustion engines

Charge forming device

Heating of combustible mixture

261142, 123548, F02M 3100

Patent

active

043030505

ABSTRACT:
In a typical vehicle intake manifold on which is mounted a carburetor, a fluid flow director is used to turn the initial downward flow of fuel and air into a lateral direction while simultaneously transmitting heat energy to the fluid for more complete fuel evaporation. The flow director is designed to apportion fuel-air flow over all the face surfaces of several parallel spaced plate members. Except for the lowest or most remote plate member from the fluid inlet, the plates have apertures therein, the diameters of which progressively decrease with greater spacing of the plates from the manifold inlet. The plates are preferably of a ceramic material having a positive temperature coefficient or PTC which is characterized by relatively low electrical resistance at ambient temperatures, but much higher resistance at temperatures corresponding to engine operating temperatures.

REFERENCES:
patent: 1096989 (1914-05-01), Bentley
patent: 1262317 (1918-04-01), Finney
patent: 3805492 (1974-04-01), King
patent: 4031875 (1977-06-01), Tyler
patent: 4106457 (1978-08-01), Totten
patent: 4108127 (1978-08-01), Marcoux
patent: 4141327 (1979-02-01), Marcoux

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