JPH0176525U

JPH0176525U -

Info

Publication number: JPH0176525U
Application number: JP1987172070U
Authority: JP
Priority date: 1987-11-12
Filing date: 1987-11-12
Publication date: 1989-05-24

Description

[Brief explanation of the drawing]

第１図はこの考案に係るインペラの略解斜視図
、第２図はその分割断面図である。１……インペラ、２……全翼ブレード、２ａ，
２ｂ……分割片、３……半翼ブレード、４……ボ
ス部、５……分割線、６ａ……半翼インペラ、６
ｂ……全翼インペラ、１２……接合面。 FIG. 1 is a schematic exploded perspective view of an impeller according to this invention, and FIG. 2 is a divided sectional view thereof. 1... Impeller, 2... Flying blade, 2a,
2b... Division piece, 3... Half-wing blade, 4... Boss portion, 5... Parting line, 6a... Half-wing impeller, 6
b...Flying impeller, 12...Joint surface.

Claims

[Claims for Utility Model Registration] Full-wing blades and half-wing blades are provided alternately on the outer peripheral surface of a substantially truncated conical boss portion along a direction twisted with respect to the central axis and inclined in the circumferential direction. ,
The length of the full-wing blade in the axial direction is longer than the length of the half-wing blade in the axial direction, and the twist angle of the full-wing blade and the half-wing blade with respect to the central axis is from the middle part to one end side. In an impeller in a turbocharger having different parts, a first blade that traverses the flying blades so as to separate from other parts a part of the flying blades in which the angle of twist is approximately equal to the angle of twist in the half blades.
one of the half-wing blades so as to pass through the boss portion surface between the full-wing blade and the half-wing blade continuously with the first parting line and to separate the half-wing blade from the full-wing blade. An impeller structure for a turbocharger, characterized in that it is divided into at least two parts in the axial direction by a second dividing line that detours around the end side, and the divided parts are joined and integrated.