Self-regulating heater

Details Self-regulating heater Self-regulating heater

1975-03-10

1976-10-26

Lazarus, Ronald H.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

219206, F02M 3100

Patent

active

039877728

ABSTRACT:
A self-regulating electrically heated positive-temperature-coefficient (hereinafter PTC) carburetor stove for use in the fuel entry system of a gasoline engine is connected through the ignition system directly to the battery for rapidly heating of the stove upon starting of the car. The system comprises a plurality of PTC pills housed in and insulated from a container with a high thermal conductivity top plate in direct heat transfer relation with the pills. Gasoline droplets are evaporated on this plate during cold start conditions to minimize the need to run a cold engine in the closed choke gasoline rich mode. During heat-up of the engine the PTC pills reach the anomaly temperature and at that point greatly increase their resistance thereby virtually terminating the power requirement of the stove in the heated engine mode.

REFERENCES:
patent: 2587713 (1952-03-01), Elliot
patent: 3806854 (1974-04-01), Armstrong

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