C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/622 (2006.01) F02P 19/02 (2006.01) F23Q 7/00 (2006.01) F24C 3/10 (2006.01) F24C 5/14 (2006.01) H05B 3/00 (2006.01)
Patent
CA 2711131
The invention provides new ceramic resistive heating elements and new methods for manufacturing ceramic resistive heating elements wherein the heating element body comprises two or more regions of differing resistivity, and wherein the heating elements are open face. Heating elements such as igniters and glow plugs also are provided obtainable from fabrication methods of the invention.
L'invention concerne de nouveaux éléments chauffants résistifs en céramique et de nouveaux procédé de fabrication d'éléments chauffants résistifs en céramique selon lesquels le corps d'élément chauffant comprend deux régions ou plus de résistivités différentes et selon lesquels les éléments chauffants sont à face ouverte. Des éléments chauffants tels que des électrodes d'amorçage et des bougies de préchauffage peuvent également être réalisés à partir des procédés de fabrication de l'invention.
Annavarapu Suresh
Croucher Dean
Vartabedian Ara
Gowling Lafleur Henderson Llp
Saint-Gobain Ceramics & Plastics Inc.
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