Ceramic heater

Details Ceramic heater Ceramic heater

1983-11-07

1985-03-05

Mayewsky, Volodymyr Y.

Internal-combustion engines

Igniters

Incandescent

219270, 219544, 219553, 361266, F02B 908, F02P 1902

Patent

active

045024308

ABSTRACT:
A ceramic heater including a ceramic insulator having a circular cross section, and a heating coil having an oval cross section, embedded in the insulator along the length thereof, and bent in a U-shaped form with the bend adjacent one end of the insulator. One of a pair of parallel coil portions defining the U-shaped coil has a long cross sectional diameter lying parallel to that of the other coil portion. The diameter of a cylinder defined by the outer surfaces of the coil portions and the outside diameter of the insulator have a ratio of 35:100 to 70:100.

REFERENCES:
patent: 2030937 (1936-02-01), Reichmann
patent: 3017541 (1962-01-01), Lawser
patent: 3373724 (1968-03-01), Papst
patent: 3914500 (1975-10-01), Brennan et al.
patent: 4035613 (1977-07-01), Sagawa et al.
patent: 4192989 (1980-03-01), Jeromin
patent: 4357526 (1982-11-01), Yamamoto et al.

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