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US 12,402,214 B2Granted
Electric heater
AssigneeTüRk & Hillinger GmbH
InventorAndreas Schlipf
Life of this patent
Estimating the term…
Abstract
An electrical heating device with a tubular metal jacket and with at least one electrical heating element, which is arranged electrically isolated from the tubular metal jacket in an interior of the tubular metal jacket. The electrical heating element runs parallel to a tube center axis of the tubular metal jacket and has a wave-like shape such that wave peaks and wave valleys are produced.
Claims19
An electrical heating device comprising:
- a tubular metal jacket;
- and
- an electrical heating element, arranged in and electrically isolated from the tubular metal jacket in an interior of the tubular metal jacket filled with electrically insulating and heat conducting material;
- the electrical heating element extending parallel to a tube center axis of the tubular metal jacket and having a wave-like shape defining wave peaks and wave valleys, wherein the wave peaks define a first side of the electrical heating element and the wave valleys define an opposing second side of the electrical heating element, a top surface of the electrical heating element between the first and second sides being flat, the interior of the tubular metal jacket having a larger cross-section as an outer shape compared to the wave peaks of the electrical heating element such that the electrical heating element is positionable inside of the tubular metal jacket, the electrical heating element being isolated electrically from the tubular metal jacket at least in some sections by a molded part made from an electrically insulating material with an interior, in which the electrical heating element is arranged within the interior of the molded part at least in some sections.
1 more element
Dependencies are inferred from the claim text.