Patent ID: 9655171
Date: 2017-05-16
CPC Classifications: B60H,F24H,H05B

Claim:
1. A heater comprising: a housing with a fluid channel arranged within the housing; a fluid inlet; a fluid outlet; a coil that generates an alternating magnetic field and is separately sealed from the fluid channel by a coil housing that is provided in the housing; and at least one metallic heating element that is heated by the alternating magnetic field, the at least one metallic heating element being arranged in the fluid channel; wherein walls bounding the fluid channel are formed by the coil housing and/or by the at least one metallic heating element, wherein the at least one metallic heating element includes a first heating element, a second heating element, and a third heating element, wherein the fluid channel is divided by the first, second and third heating elements into a first channel, a second channel, a third channel, and a fourth channel, wherein the fourth channel is divided into two subchannels by the third heating element, and wherein the first heating element is arranged radially within the coil and the second heating element and the third heating element are arranged radially outside the coil.