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. 06, 2015

Filed:

Apr. 30, 2013
Applicant:

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

Inventors:

Seth E. Rosen, Middletown, CT (US);

Ronald M. Struziak, Longmeadow, MA (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 32/06 (2006.01); F16C 33/74 (2006.01); F16C 17/02 (2006.01);
U.S. Cl.
CPC ...
F16C 17/024 (2013.01); F16C 33/74 (2013.01);
Abstract

Disclosed is a bearing sleeve for supporting a shaft of an air cycle machine. The bearing sleeve includes an outer diameter and an inner diameter. The outer diameter is within a range of 3.222 and 3.224 inches. Further included is a foil retaining cavity provided in the inner diameter of the sleeve. The foil retaining cavity includes a slot and first and second openings located at opposing axial ends of the slot. Each of the first and second openings include a small portion and a large portion having different axial lengths. A ratio of the combined axial lengths of the large portions to an axial length of the foil retaining cavity is within a range of 0.19:1 and 0.22:1. Further included is a seal attachment portion provided at one axial end of the bearing sleeve configured to circumferentially support a seal.


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