WASH PUMP IMPELLER FOR A DISHWASHING APPLIANCE AND A METHOD OF ADDITIVELY MANUFACTURING THE SAME

A wash pump impeller for a dishwasher appliance and a method of forming the same using an additive manufacturing process are provided. The wash pump impeller includes a hub and a plurality of vanes integrally formed with the hub and extending at an extension angle of less than 60 degrees relative to...

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Bibliographische Detailangaben
1. Verfasser:	Dries, John Edward
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FURNITURE HUMAN NECESSITIES PERFORMING OPERATIONS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPICE MILLS SUCTION CLEANERS IN GENERAL TRANSPORTING WORKING CEMENT, CLAY, OR STONE WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A wash pump impeller for a dishwasher appliance and a method of forming the same using an additive manufacturing process are provided. The wash pump impeller includes a hub and a plurality of vanes integrally formed with the hub and extending at an extension angle of less than 60 degrees relative to a flow surface of the hub and the vanes may be curved in three dimensions. The wash pump impeller is formed by establishing a three-dimensional model of the wash pump impeller, converting that model into slices defining cross-sectional layers of the wash pump impeller, and successively forming those layers using an additive manufacturing process.