专利名称：Electric heater for heating fluids发明人：CASTIGLIA, GIACINTO,SCHWAN, HUBERT申请号：EP07011728.8申请日：20070615公开号：EP1878981A1公开日：20080116
专利附图：
摘要：An electrical heating conductor (2) is embedded in a ceramic insulator (3)surrounded by a metallic jacket pipe (4) outside which fluid to be heated flows.
Projections (41) and recesses (42) are formed on the external lateral surface (40) of thejacket pipe. The diameter of the jacket pipe in the area of the recesses is partly reduced
relative to the original diameter of the laminar lower layer of the external lateral surfaceof the jacket pipe.
申请人：GC-HEAT GEBHARD & CASTIGLIA GMBH & CO. KG
地址：Industriestrasse 34 51545 Waldbröl DE
国籍：DE
代理机构：Müller-Gerbes Wagner Albiger Patentanwälte
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