Patent ID: 6148660
Filing Date: 2000-11-21
Classification: F02P,F23Q

Abstract:
A glow sensor for use in a combustion chamber of a diesel engine, said glow sensor comprising:a tubular metal shell including mounting means for mounting the glow sensor in a chamber defining component of the engine;a ceramic support sleeve carried in the shell;a ceramic rod carried by the support sleeve and having an outer end terminating within the shell and isolated therefrom by the sleeve, and an inner end forming a glow tip extending inwardly beyond the shell and sleeve for extension into an associated combustion chamber;a heating element within the glow tip and connected with first and second electrical conductors within the ceramic rod for providing electric current to the heating element;an electrically conductive layer on the glow tip and connected with a third electrical conductor for providing an electrical voltage to the conductive layer; andconnecting means for connecting said conductors to electrical sources exterior to the glow sensor.