Method for manufacturing impeller
AssigneeHonda Motor Co., Ltd.
InventorsHiroshi Ishikawa, Yoshinori Tsurugai, Yasuhisa Saito
Life of this patent
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Abstract
An impeller in which a plurality of vanes are provided so as to overlap each other back and forth as viewed in the direction of axis has a first impeller part on a front side and a second impeller part on a rear side. A method for manufacturing impeller includes a step of molding a first impeller part, a step of molding a second impeller part and a step of combining together the first impeller part and the second impeller part.
Claims10
A method for manufacturing impeller which is provided so that a plurality of vanes overlap each other back and forth as viewed in the direction of an axis, comprising:
- a step of molding, of two divided parts of a first impeller part and a second impeller part into which the impeller is divided so that the vanes are divided into a front side and a rear side as viewed in the direction of the axis, the first impeller part;
- a step of molding the second impeller part;
- and
- a step of combining together the first impeller part and the second impeller part into the impeller.
An impeller formed by joining together a first impeller member and a second impeller member which are divided in the direction of an axis via predetermined dividing planes, comprising:
- a recess portion which is formed in the dividing plane of the first impeller member;
- a projecting portion which is provided to project from the dividing plane of the second impeller member, which is formed into a ring shape which is concentric with a rotating axis, and which is inserted into the recess portion;
- and
- a joining portion where a distal end of the projecting portion and a deep end of the recess portion are joined together.
Dependencies are inferred from the claim text.