B - Operations – Transporting – 64 – D
Patent
B - Operations, Transporting
64
D
B64D 15/12 (2006.01) H05B 3/02 (2006.01) H05B 3/34 (2006.01)
Patent
CA 2178924
An improved electrothermal apparatus includes a stranded heater wire having a plurality of strands (120), the number of which vary as a function of position to provide a varying output power density. The stranded heater wire is disposed within a blanket (112) which is conformable to the item to be heated. The heater wire is broken into a number of zones, with each zone having a varying number of strands. The strands of the wire are soldered or crimped together at the beginning of each zone. A controller (104) provides electrical energy to the heater assembly.
Un appareil électrothermique amélioré comprend un fil de chauffage à brins multiples (120) dont le nombre varie en fonction de la position afin de fournir une puissance de sortie de densité variable. Le fil de chauffage à brins multiples est situé dans une couverture (112) capable d'épouser les formes de l'article à chauffer. Le fil de chauffage est subdivisé en un nombre de zones dont chacune a un nombre variable de brins. Les brins du fil sont soudés ou sertis les uns aux autres au début de chaque zone. Une unité de commande (104) alimente l'assemblage de chauffage en énergie électrique.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
The B.f. Goodrich Company
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