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US 6,605,801 B2Granted
Rod glow plug
AssigneeBeru AG
InventorsMichael Haussner, Helmut Buck, Heiko Sülzle
Life of this patent
Estimating the term…
Abstract
Rod glow plug with a plug body and an internal heating rod. Between the heating rod (1) and the plug body (7) in the area of a seal seat of the rod glow plug, an electrically insulating shaped part (3) securely adjoins the heating rod (1) supporting the combustion space-side end (7a) of the plug body (7), electrically insulated from the heating rod (1).
Claims18
Rod glow plug, comprising:
- a plug body;
- an internal heating rod;
- and
- an electrically insulating shaped part,
- wherein the electrically insulating shaped part is located between the heating rod and the plug body in a seal seat area of the rod glow plug;
- wherein the electrically insulating shaped part securely adjoins the heating rod, and wherein a combustion space-side end area of the plug body is supported by the electrically insulating shaped part with the plug body being electrically insulated from the heating rod by the electrically insulating shaped part.
3 more elements
Dependencies are inferred from the claim text.