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Wednesday, April 20, 2016 8:40:46 AM
Safran-TechspaceAero has patents for AM compressor blades
After viewing the Techspace Aero video showing the work being done with their EBM machine I decided to see if they have any patents for additively manufactured powder based metal turbine components. They do.
This appears to be the most recent for turbine compressor blades: Blade with branches for an axial-flow turbomachine compressor
Blade with branches for an axial-flow turbomachine compressor
The invention relates to a blade of a compressor or of an axial-flow turbomachine. The blade comprises a joining airfoil, or main airfoil, extended by branches, or auxiliary branch airfoils. The branches are adjacent and extend the joining airfoil radially. The branches form a row over the circumference and comprise faces facing one another. The branches comprise joining edges connected to the joining airfoil and are coincident or joined so as to form a circumferential...
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In accordance with various advantageous embodiments of the invention the branch airfoils and the joining airfoil are integral and are made by powder-based, e.g., metal powder-based, additive manufacturing.
After viewing the Techspace Aero video showing the work being done with their EBM machine I decided to see if they have any patents for additively manufactured powder based metal turbine components. They do.
This appears to be the most recent for turbine compressor blades: Blade with branches for an axial-flow turbomachine compressor
Blade with branches for an axial-flow turbomachine compressor
The invention relates to a blade of a compressor or of an axial-flow turbomachine. The blade comprises a joining airfoil, or main airfoil, extended by branches, or auxiliary branch airfoils. The branches are adjacent and extend the joining airfoil radially. The branches form a row over the circumference and comprise faces facing one another. The branches comprise joining edges connected to the joining airfoil and are coincident or joined so as to form a circumferential...
****************************************************************************
In accordance with various advantageous embodiments of the invention the branch airfoils and the joining airfoil are integral and are made by powder-based, e.g., metal powder-based, additive manufacturing.
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