Patent ID: 6186107
Filing Date: 2001-02-13
Classification: F02P

Abstract:
A heating glow plug controller for diesel engines for detecting failures due to open circuit or short-circuit conditions and having a response time of under 1 millisecond, said controller comprising:a plurality of electronic relays for controlling a plurality of glow plugs, each relay of said plurality being adapted to control a corresponding glow plug from said plurality, and being further adapted to detect possible failures of open circuit or short-circuit conditions in current flow to said plurality of glow plugs , anda calculator module connected to said plurality of electronic relays,said plurality of electronic relays being further adapted to provide a diagnosis signal to said calculator module for indicating the operation of said glow plugs,said calculator module being further adapted to transmit said possible failures of open circuit or short-circuit conditions to a user, andsaid calculator module being further adapted to determine the need to connect said glow plugs and to transmit such need via a control signal to said plurality of electronic relays for controlling the activation of each of said plurality of electronic relays.