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:
Feb. 10, 2015
Filed:
May. 23, 2011
Applicants:
Chester V. Swiatek, Amherst, NY (US);
Mikhail Grigoriev, East Amherst, NY (US);
James Hitt, Lancaster, NY (US);
Inventors:
Chester V. Swiatek, Amherst, NY (US);
Mikhail Grigoriev, East Amherst, NY (US);
James Hitt, Lancaster, NY (US);
Assignee:
Ingersoll Rand Company, Davidson, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 1/02 (2006.01); F01D 5/22 (2006.01); F04D 29/30 (2006.01);
U.S. Cl.
CPC ...
F04D 29/30 (2013.01);
Abstract
A system, in certain embodiments, includes an impeller having a plurality of impeller blades coupled to an impeller hub body, wherein each impeller blade is sculpted having a nonlinear profile extending from a hub intersect surface of the impeller blade to a shroud intersect surface of the impeller blade.