Patent ID: 6166358
Filing Date: 2000-12-26
Classification: B01D,B01J,F01N,H05B,Y02A,Y02T

Abstract:
A heater unit comprising:a metallic casing, anda honeycomb heater held in the casing, comprising a metallic honeycomb structure having a large number of parallel passages extending in the direction of the flow of a gas passing through the heater unit and at least one electrode for electrical heating of the honeycomb structure, attached to the honeycomb structure,in which a fastening member is fitted to part of the outer surface of the honeycomb heater to stabilize the shape of the honeycomb heater and a holding member is fitted to the outer periphery of the honeycomb heater to connect the honeycomb heater with the inner surface of the casing via the holding member,wherein the fastening member is located in at least one groove formed at the side of the honeycomb heater and fixed.