F - Mech Eng,Light,Heat,Weapons – 02 – N
Patent
F - Mech Eng,Light,Heat,Weapons
02
N
327/119
F02N 99/00 (2010.01) F02P 19/02 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1100583
C-2,873 D-996 DIESEL ENGINE GLOW PLUG ENERGIZATION CONTROL CIRCUIT Abstract of the Disclosure A glow plug temperature simulator circuit produces an electrical signal having a rate of increase of potential level substantially corresponding to the rate of increase of glow plug temperature and a rate of decrease of potential level substantially corresponding to the rate of decrease of glow plug temperature upon glow plug energization and subse- quent deenergization, respectively. An electrical switching arrangement is effective to complete a glow plug energizing circuit across an operating potential source in response to the application of operating potential and, thereafter, is effective to alternately interrupt and complete the glow plug energizing circuit in response to the increase of the electri- cal signal to a predetermined potential level and in response to the decrease of the electrical signal to another lower predetermined potential level, respectively, to cyclically complete and interrupt the glow plug energizing circuit.
308472
General Motors Corporation
Gowling Lafleur Henderson Llp
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