RESIN IMPELLER

WIPO Patent Application WO/2017/126398

A1

[Problem] To provide a resin impeller capable of achieving both an improvement in efficiency and an improvement in output. [Solution] This resin impeller has a center shaft part 3 and a plurality of blades 5 formed at equal intervals around said center shaft part 3, wherein rotating around an axis CL of the center shaft part 3 causes a fluid flowing in between adjacent blades 5 from a direction along the axis CL of the center shaft part 3 to flow out toward the outer side of the center shaft part 3 in a radial direction orthogonal to the axis CL. The blades 5 are spirally formed from one end side toward another end side along the axis CL of the center shaft part 3. At outer end sides of the blades 5 in the radial direction are: a first flow rectification section 11 formed such that a deformation amount toward a rotation direction side gradually increases toward the outside of the center shaft part 3 in the radial direction orthogonal to the axis CL; and a second flow rectification section 12 that is smoothly connected to the outer end of the first flow rectification section 11 in the radial direction and is formed such that the deformation amount toward a direction side opposite to the rotation direction gradually increases toward the outside of the center shaft part 3 in the radial direction orthogonal to the axis CL.

YAMAGUCHI TETSUO (JP)
OKAMOTO SHINICHIRO (JP)

PCT/JP2017/000734

July 27, 2017

January 12, 2017

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ENPLAS CORP (JP)

F04D29/22; F04D29/24; F04D29/28

JPH0219895U	1990-02-09
JP2007009831A	2007-01-18
JP2001082383A	2001-03-27
JPS52124206A	1977-10-19

OHNUKI & KOTAKE (JP)

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