Intake heating device of an internal combustion engine

Internal-combustion engines – Charge forming device – Heating of combustible mixture

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Details

123545, 261142, 219206, F02M 3100

Patent

active

043997961

ABSTRACT:
An intake heating device of an engine, comprising a hollow heater vessel placed in the intake passage. The heater vessel comprises an inner pipe, an outer pipe, and a plurality of PTC elements. The inner pipe and the outer pipe are interconnected to each other in such a way that the upper end and the lower end of the inner pipe are bent outwards and pressed onto the outer wall of the outer pipe.

REFERENCES:
patent: 1472233 (1923-10-01), Taylor
patent: 2668900 (1954-02-01), Kwartz
patent: 4308845 (1982-01-01), Sarto
patent: 4327697 (1982-05-01), Wada
patent: 4361125 (1982-11-01), Igashira
patent: 4366798 (1983-01-01), Goto

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