The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 18, 2025

Filed:

Apr. 26, 2024
Applicant:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Inventors:

Alden Lee Winn, Glastonbury, CT (US);

Andrew W. Solomon, Windsor, CT (US);

Assignee:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01); F01D 5/22 (2006.01); F01D 5/28 (2006.01);
U.S. Cl.
CPC ...
F01D 9/04 (2013.01); F01D 5/225 (2013.01); F01D 5/28 (2013.01); F05D 2240/12 (2013.01); F05D 2240/30 (2013.01); F05D 2300/17 (2013.01);
Abstract

An impeller includes a cylindrical portion defining a fluid inlet, the cylindrical portion coaxial with a rotational axis of the impeller, a hub, a shroud extending downward and radially away from the cylindrical portion and covering the hub, a first plurality of vanes extending between the shroud and the hub, and an extension portion disposed between the shroud and the hub and downstream of the first plurality of vanes. The extension portion includes an outer ring, and inner ring, and a second plurality of vanes extending between the outer ring and the inner ring.


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