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.
Patent No.:
Date of Patent:
May. 27, 2014
Filed:
Jun. 28, 2010
Applicant:
David G. Converse, Hampden, MA (US);
Inventor:
David G. Converse, Hampden, MA (US);
Assignee:
Hamilton Sundstrand Space Systems International, Inc., Windsor Locks, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 17/12 (2006.01); F04D 29/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multi-stage centrifugal fan is provided and includes first and second stages of a rotor having substantially axially aligned rotor vanes formed to impart energy to a fluid moving in an outward radial direction when the first and second stages of the rotor rotate about a centerline and a stator having stator vanes radially interposed between and substantially axially aligned with the first and second stage rotor vanes.