Impeller and rotary machine
AssigneeMitsubishi Heavy Industries, Ltd.
InventorsRyoji OKABE, Yasunori WATANABE
Life of this patent
Estimating the term…
Abstract
This impeller is provided with: an impeller body formed in a disk-like shape and having a boss hole section formed therein, the boss hole section allowing a rotating shaft to be fitted therein; and compressor blades provided on the front surface side of the impeller body so as to protrude from the hub surface of the impeller body. The impeller consists either of a first resin member and a second resin member, which are engaged with each other and which consist of a resin, or of a resin member and a metallic member, which are engaged with each other.
Claims14
An impeller comprising:
- an impeller body forming a disk-like shape and having a boss hole section formed therein, a rotating shaft being fitted into the boss hole section;
- and
- a plurality of blades provided on a front surface side of the impeller body so as to protrude from a hub surface of the impeller body,
- wherein the impeller is formed of a plurality of resin members, which are engaged with each other and made of a resin.
An impeller comprising:
- an impeller body forming a disk-like shape and having a boss hole section formed therein, a rotating shaft being fitted into the boss hole section;
- a plurality of blades provided on a front surface side of the impeller body so as to protrude from a hub surface of the impeller body;
- a resin member including a boss part that has the blades and the boss hole section formed therein, forms a tubular shape, and allows the blades to protrude therefrom to a radial outer side of the rotating shaft;
- and
- a metallic member including the hub surface that is disposed closer to an outer peripheral side than the boss part, is engaged with the resin member, and allows the blades to protrude therefrom to the front surface side.
An impeller comprising:
- an impeller body forming a disk-like shape and having a boss hole section formed therein, a rotating shaft being fitted into the boss hole section;
- a plurality of blades provided on a front surface side of the impeller body so as to protrude from a hub surface of the impeller body;
- a resin member including the blades;
- and
- a metallic member including the hub surface that is engaged with the resin member, has the boss hole section formed therein, covers a base end part of each of the blades from an outer peripheral side, and allows a tip part of the blade to protrude therefrom to the front surface side.
Dependencies are inferred from the claim text.