Electrically heatable glow plug with oxygen getter material

Details Electrically heatable glow plug with oxygen getter material Electrically heatable glow plug with oxygen getter material

1998-12-21

2000-03-28

Jeffery, John A.

Electric heating

Heating devices

Resistive element: igniter type

219544, 219548, 123145A, 338238, F23Q 700

Patent

active

060434597

ABSTRACT:
An electrically heatable glow plug for an internal combustion engine includes a corrosion-resistant metal jacket, a compressed powder filling contained therein, and an electrically conducting coil embedded in the filling. To increase the lifetime of the heating coil, a getter material for binding the oxygen contained in the compressed powder filling is provided. The getter material can be distributed in the form of electrically nonconducting particles in the compressed powder filling. The getter material can also be applied as a coating to the coil or to the inner surface of the metal jacket.

REFERENCES:
patent: 1530228 (1925-03-01), Braun
patent: 4252091 (1981-02-01), Steinke
patent: 4280046 (1981-07-01), Shimotori et al.
patent: 4294867 (1981-10-01), Boaz
patent: 4437440 (1984-03-01), Suzuki et al.

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