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:
Jan. 20, 2015

Filed:

Jul. 11, 2011
Applicants:

Loc Quang Duong, San Diego, CA (US);

Xiaolan HU, San Diego, CA (US);

Gao Yang, San Diego, CA (US);

Anthony C. Jones, San Diego, CA (US);

Inventors:

Loc Quang Duong, San Diego, CA (US);

Xiaolan Hu, San Diego, CA (US);

Gao Yang, San Diego, CA (US);

Anthony C. Jones, San Diego, CA (US);

Assignee:

Hamilton Sundstrand Corporation, Windsor Locks, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/22 (2006.01); F01D 5/04 (2006.01);
U.S. Cl.
CPC ...
F01D 5/048 (2013.01); F05D 2260/941 (2013.01);
Abstract

A turbine wheel is disposed about an axis and has a back having a separator disposed thereon, an inner undercut disposed between the separator and the axis, and an outer undercut disposed between the separator and an outer periphery of the back face. The inner undercut is defined by a first radius blending toward the axis and into a first flat section, and further defined by a second radius blending into the first flat section and into the separator.


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