VANE WHEEL AND BLOWING DEVICE
First Claim
1. A vane wheel comprising:
- a shaft which is disposed along a center axis;
an impeller which includes an impeller cylinder portion into which one end portion of the shaft in an axial direction is inserted; and
a fixing member which is disposed on one end side of the impeller cylinder portion in the axial direction and which fixes the shaft and the impeller to each other,wherein the shaft includes a step surface which is a flat surface spreading outward in a radial direction at the other end of the one end portion of the shaft in the axial direction,wherein the other end surface of the impeller cylinder portion in the axial direction faces the step surface in the axial direction,wherein the impeller includes a convex portion which protrudes in the axial direction on at least one of one end surface and the other end surface of the impeller cylinder portion in the axial direction, andwherein the convex portion is in contact with the fixing member or the step surface.
1 Assignment
0 Petitions
Accused Products
Abstract
A vane wheel includes a shaft, an impeller, and a fixing member. The impeller includes an impeller cylinder portion into which one end portion of the shaft in an axial direction is inserted. The fixing member is disposed on one end side of the impeller cylinder portion in the axial direction and fixes the shaft and the impeller to each other. The shaft includes a step surface at the other end of the one end portion of the shaft in the axial direction. The other end surface of the impeller cylinder portion faces the step surface in the axial direction. The impeller includes a convex portion protruding in the axial direction on at least one of one end surface and the other end surface of the impeller cylinder portion in the axial direction. The convex portion is in contact with the fixing member or the step surface.
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Citations
9 Claims
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1. A vane wheel comprising:
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a shaft which is disposed along a center axis; an impeller which includes an impeller cylinder portion into which one end portion of the shaft in an axial direction is inserted; and a fixing member which is disposed on one end side of the impeller cylinder portion in the axial direction and which fixes the shaft and the impeller to each other, wherein the shaft includes a step surface which is a flat surface spreading outward in a radial direction at the other end of the one end portion of the shaft in the axial direction, wherein the other end surface of the impeller cylinder portion in the axial direction faces the step surface in the axial direction, wherein the impeller includes a convex portion which protrudes in the axial direction on at least one of one end surface and the other end surface of the impeller cylinder portion in the axial direction, and wherein the convex portion is in contact with the fixing member or the step surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification