Patent ID: 8471180
Filing Date: 2013-06-25
Classification: F23Q,H05B,Y10T

Abstract:
1. A glow plug, comprising: a housing in which an inner conductor is disposed, a metal sleeve which is inserted into the housing, and a ceramic glow pin disposed in and protruding from the metal sleeve at two ends, the two ends of the ceramic glow pin protruding from the metal sleeve comprising a rear end opposite a combustion chamber end, the rear end of the ceramic glow pin being connected to the inner conductor, the metal sleeve having a metal sleeve tapering section at the rear end, the ceramic glow pin having a ceramic glow pin tapering section at the rear end, the metal sleeve tapering section enclosing the ceramic glow pin tapering section, wherein the ceramic glow pin is pressed into the metal sleeve, wherein the ceramic pin tapering section reduces in taper moving from the ceramic glow pin towards the inner conductor.