H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 3/56 (2006.01)
Patent
CA 2051334
A parallel, zone-type heating cable wherein thermally-controlled ferrite reed switches in each zone regulate current flow to heating elements aligned in parallel with each other. Two parallel conductors deliver current to the switches and the heating elements. A dielectric insulation material separates the conductors from each other and the heating elements. The heating cable may further include a component having a particular temperature coefficient of resistance aligned in parallel with the switch to further regulate current flow to a positive but lesser level when the switch is open.
âble chauffant parallèle de zone dans lequel des interrupteurs à lames de ferrite thermiquement contrôlés dans chaque zone régularisent le passage du courant vers les éléments chauffants alignés en parallèle. Deux conducteurs parallèles apportent le courant aux interrupteurs et aux éléments chauffants. Un matériau d'isolement diélectrique sépare les conducteurs les uns des autres et les éléments chauffants. Le câble chauffant peut de plus inclure un composant à coefficient de résistance thermique particulier en ligne parallèle avec interrupteur pour régulariser davantage le passage du courant à une intensité positive, mais moins élevée lorsque l'interrupteur est ouvert.
Heimbecker Blake E.
Yagnik Chandrakant M.
Ogilvy Renault
Thermon Manufacturing Company
LandOfFree
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