Patent ID: 9648983
Date: 2017-05-16
CPC Classifications: A47J,B23P,F24H,H05B,Y10T

Claim:
1. A flow through heater device, comprising: a fluid tube carrying a fluid to be heated; a tubular heating element extending at least partially parallel and in thermal contact with the fluid tube; wherein the tubular heating element comprises a profiled casing tube and at least one heating coil mounted in a tubular portion of said profiled casing tube; wherein the profiled casing tube further comprises at least one tab portion laterally protruding from the tubular portion and being wrapped around the fluid tube such that at least one gap is provided in the profiled casing tube around the fluid tube; and wherein the assembly of the fluid tube and the tubular heating element has an approximately helical shape so that the tubular portion of the casing tube is positioned with respect to the helix radially inside of the fluid tube.