Intake heating apparatus of an internal combustion engine

Details Intake heating apparatus of an internal combustion engine Intake heating apparatus of an internal combustion engine

1982-01-27

1983-10-04

Lazarus, Ronald H.

Internal-combustion engines

Charge forming device

Heating of combustible mixture

261142, 123545, 219207, F02M 3100

Patent

active

044072546

ABSTRACT:
An intake heating apparatus of an internal combustion engine, comprising a hollow heater vessel which is placed in an intake passage of the engine and which comprises an inner pipe, an outer pipe in which said inner pipe is press-fitted, peripherally spaced PTC elements located between the inner and outer pipes, and an annular elastic electrode located between the PTC elements and the outer pipe. The improvement comprises means for preventing the PTC elements from being broken when and after the inner pipe is press-fitted in the outer pipe.

REFERENCES:
patent: 1472233 (1923-10-01), Taylor
patent: 4327697 (1982-05-01), Wada
patent: 4361125 (1982-11-01), Igashira
patent: 4366798 (1983-01-01), Kazuyoshi

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