CROSS-FLOW FAN MADE OF RESIN AND METHOD OF MANUFACTURING THE SAME

A resin cross flow fan and a manufacturing method thereof are provided in which an annealing step can be omitted and the number of circular disks can be reduced, and which provides improved fan strength and air blowing performance. A resin cross flow fan (1) is disposed with a plurality of blades (2...

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Bibliographische Detailangaben
1. Verfasser:	NISHINO, HISANORI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A resin cross flow fan and a manufacturing method thereof are provided in which an annealing step can be omitted and the number of circular disks can be reduced, and which provides improved fan strength and air blowing performance. A resin cross flow fan (1) is disposed with a plurality of blades (2) and a plurality of plates (3, 4, 5). The plurality of blades (2) are annually disposed about a rotation axis. Insertion portions (33, 43, 53) each constituted by a hole or a groove into which each blade (2) is inserted and projecting portions (34, 44, 54) that projects from the periphery of the insertion portions (33, 43, 53) in a direction of the rotation axis are formed on each of the plurality of plates (3, 4, 5) disposed spaced apart in the direction of the rotation axis. Each blade (2) is fixed to the projecting portions (34, 44, 54) by laser welding.