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US 2020/0047215 A1Published application
Rotor blade coating
AssigneeMuehlhan AG
InventorsVandad PACHAI, Andreas MOMBER
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AssigneeMuehlhan AG
InventorsVandad PACHAI, Andreas MOMBER
Estimating the term…
The present invention relates to a rotor blade which has a coating, to a corresponding method for producing the coating, and to a method for heating and/or deicing the outer surface of the rotor blade and/or an outermost layer applied onto the outer surface of the rotor blade. The task underlying the invention is to develop a functional multi-layered coating that constitutes a comprehensive protection against the various environmental influences. The task is accomplished by a rotor blade which has an outer surface and by an at least two-layered coating applied onto the outer surface, having a first adhesion-facilitating metal layer and/or a first adhesion-facilitating layer which has electric heating elements and a second metal layer, wherein the first adhesion-facilitating metal layer and/or the first adhesion-facilitating layer which has electric heating elements is arranged between the outer surface of the rotor blade and the second metal layer.
A rotor blade having an outer surface and an at least two-layered coating applied onto the outer surface, wherein the at least two-layered coating comprises a first adhesion-facilitating metal layer and/or ora first adhesion-facilitating layer having electric heating elements, and a second metal layer, wherein the first adhesion-facilitating metal layer or the first adhesion-facilitating layer having electric heating elements is arranged between the outer surface of the rotor blade and the second metal layer.
A method for the coating of a rotor blade with an outer surface, wherein initially, a first adhesion-facilitating metal layer or a first adhesion-facilitating layer having electric heating elements is applied onto the outer surface, and subsequently, a second metal layer is applied such that the first adhesion-facilitating metal layer or the first adhesion-facilitating layer having electric heating elements is arranged between the outer surface and the second metal layer, wherein the second metal layer is applied by means of a cold gas spraying process.
A method for a partially heating or deicing of an outer surface of a rotor blade or of a coating applied on the outer surface of the rotor blade or of an outermost layer, wherein the rotor blade features an at least two-layered coating applied to the outer surface which comprises a first adhesion-facilitating metal layer or a first adhesion-facilitating layer having electric heating elements, as well as a second metal layer, wherein the first adhesion-facilitating metal layer or the first adhesion-facilitating layer having electric heating elements is arranged between the outer surface of the rotor blade and the second metal layer, wherein at least one voltage is applied to the first adhesion-facilitating metal layer or to the first adhesion-facilitating layer having electric heating elements such that current flows through the first adhesion-facilitating metal layer or through the electric heating elements, thus causing a heating of the second metal layer or the deicing of the outer surface of the rotor blade or of the outermost layer.
Dependencies are inferred from the claim text.