Hanwha Power Systems Co., Ltd

Robert Pelton

Karl D Wygant

Bhavesh Patel

Se Woong Jung

A dual impeller includes: a hub configured to rotate about a rotation axis; a plurality of first blades which are disposed on a first surface of the hub along a circumferential direction of the hub; a first shroud which is mounted on the plurality of first blades to cover the plurality of first blades; and a plurality of second blades which are disposed on a first surface of the first shroud along a circumferential direction of the first shroud.

Dual impeller

A sealing assembly, which is mounted at a rear end of an impeller, and a turbo machine including the sealing assembly is provided, the sealing assembly includes a rotation body having a ring shape that surrounds a shaft coupled with the impeller at the rear end of the impeller; and an extension portion extending from the rotation body to the rear end of the impeller, such that an inner space is formed between the rotation body and the rear end of the impeller, wherein the extension portion is sealingly coupled with the rear end of the impeller.

Sealing assembly for reducing thrust and turbomachine including the same

A closed impeller includes: a housing provided with an opening; an insert inserted into one side of the opening; and an impeller body inserted into the other side of the opening, and including a plurality of blades and a shroud covering the plurality of blades, wherein the insert is provided with an inflow channel guiding a fluid into an inlet of the impeller body, and wherein a clearance between an outer surface of the insert and an inner surface of the housing forms a circulation flow channel connecting the other end of the inflow channel with a portion where one end of the inflow channel meets the inlet of the impeller body.

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Houston, TX, United States of America

Robert Pelton