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:
Dec. 06, 2016

Filed:

Dec. 03, 2013
Applicant:

Resmed Motor Technologies Inc., Chatsworth, CA (US);

Inventors:

Barton John Kenyon, Ashfield, AU;

Nicholas Jerome Reed, Mount Colah, AU;

Andrew Wilson, Rose Bay, AU;

Ian Malcolm Smith, Westleigh, AU;

Assignee:

ResMed Motor Technologies Inc., Chatsworth, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/22 (2006.01); A61M 16/00 (2006.01); F04D 25/06 (2006.01); F04D 29/60 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F01D 5/225 (2013.01); A61M 16/0057 (2013.01); A61M 16/0069 (2014.02); F04D 25/0606 (2013.01); F04D 29/601 (2013.01); F04D 29/668 (2013.01); A61M 16/0066 (2013.01);
Abstract

An impeller comprising: a top shroud; a bottom shroud, a plurality of vanes extending from the top shroud to the bottom shroud, each said vane including a top edge at a radially inner portion of the vane in contact with the top shroud and a bottom edge at a radially outer portion of the vane in contact with the bottom shroud, such that a radially inner portion of the vane at the bottom edge of each vane is not in contact with or adjacent the bottom shroud and a radially outer portion of the vane at the top edge of each vane is not in contact with or adjacent the top shroud.


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