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US 9,625,150 B2Granted
Glow plug
AssigneeBorgWarner Ludwigsburg GmbH
InventorsChristian Pottiez, Michael Hauβner, Bernd Stoller
Life of this patent
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Abstract
Described is a glow plug with a glow pencil that comprises a forward end with a glow tip and a rearward end, a housing in which the rearward end of the glow pencil is arranged and in relation to which the glow pencil is movable in its longitudinal direction, and a bellows that is connected to the housing and the glow pencil. According to this disclosure, it is provided that a forward end of the bellows is attached to the housing and a rearward end of the bellows is attached to the glow pencil.
Claims12
A glow plug, comprising:
- a glow pencil having a forward end with a glow tip and a rearward end;
- a housing in which the rearward end of the glow pencil is arranged, the glow plug being movable in a longitudinal direction relative to the housing;
- and
- a bellows connected to the housing and the glow pencil;
- wherein a forward end of the bellows is attached to the housing and a rearward end of the bellows is attached to the glow pencil and wherein the bellows and the glow pencil define an annular space therebetween that extends from the forward end to the rearward end of the bellows, the annular space being open to a combustion chamber.
2 more elements
A glow plug, comprising:
- a glow pencil having a forward end with a glow tip and a rearward end;
- a housing in which the rearward end of the glow pencil is arranged, the glow plug being movable in a longitudinal direction relative to the housing;
- and
- a bellows connected to the housing and the glow pencil;
- wherein a forward end of the bellows is attached to the housing and a rearward end of the bellows is attached to the glow pencil, the bellows subdividing an annular space between the housing and the glow pencil into two annular spaces that are sealed against each other and that extend from the forward end to the rearward end of the bellows, a first one of the two annular spaces being located between the bellows and the glow pencil and being open to a combustion chamber.
2 more elements
Dependencies are inferred from the claim text.