14-01-2016 дата публикации
Номер: US20160010617A1
Принадлежит:
A preheater assembly of a glowplug and a hollow sheath extending longitudinally from a bottom external zone to a top external zone, the sheath extending radially from an inside surface defining a cavity towards an outside surface, the glowplug being inserted in the cavity, the tip projecting from the sheath through the bottom external zone, the inside surface of the sheath presenting a second thread meshing with a first thread of the glowplug, the inside surface of the sheath presenting a first conical seat bearing against the first conical bearing surface of the glowplug, the outside surface of the bottom external zone having a third thread screwed into a cylinder head and a second bearing surface that bears against the second seat of a cylinder head. 1. A preheater assembly for a cylinder head of a piston engine , the preheater assembly being provided with a glowplug comprising in succession a connection terminal followed by a body and a heater tip , the body presenting a bottom end forming a first conical bearing surface and a top end having a first thread , wherein the preheater assembly includes a hollow sheath extending longitudinally from a bottom external zone to a top external zone , the sheath extending radially from an inside surface defining a cavity towards an outside surface , the glowplug being inserted in the cavity , the tip projecting from the sheath through the bottom external zone , the inside surface of the sheath presenting a second thread in the top external zone meshing with the first thread of the glowplug , the inside surface of the sheath presenting a first conical seat in the bottom external zone bearing against the first conical bearing surface of the glowplug , the outside surface of the bottom external zone having a third thread suitable for being screwed into a fourth thread of a cylinder head and a second bearing surface that is to bear against the second seat of a cylinder head.2. An assembly according to claim 1 , wherein the ...
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