Shaft-type cross-flow fan and method for manufacturing same
A cross-flow fan and manufacturing method technology, applied in the direction of non-variable pumps, non-volume pumps, radial flow pumps, etc., can solve problems such as residual weight balance and pressure difference, and achieve easy balance adjustment and shortening Manufacturing time, high-precision effect
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[0052] The biggest feature of the shaft type cross-flow fan 1 and its manufacturing method of the present invention is that a resin-made cross-flow double fan having a center wall 11, a bearing portion 12, and a fixing portion 13 is passed through a continuous shaft 20 that communicates with each other. 10 way to assemble, omitting the welding process. Embodiments are described below with reference to the drawings.
[0053] In addition, the double fan 10 described in the specification, claims and abstract of the present invention is a cross-flow fan obtained through the first process of the manufacturing method of claim 1 of the present invention (that is, the double fan 10 is formed on the center wall 11 A multi-blade impeller made of resin having a bearing portion 12 and a fixing portion 13, the double fan 10 is formed in a substantially cylindrical body, and on the cylindrical body, from the peripheral edge portions of the two faces of the central wall 11 toward both ends, ...
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