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:
Sep. 06, 2022
Filed:
Apr. 16, 2021
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Darryl A. Colson, West Suffield, CT (US);
Roberto J. Perez, Windsor, CT (US);
Assignee:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/32 (2006.01); B64D 13/08 (2006.01); F04D 25/06 (2006.01); F04D 29/38 (2006.01); F04D 19/00 (2006.01); B64D 13/06 (2006.01); F04D 29/056 (2006.01); F04D 29/58 (2006.01);
U.S. Cl.
CPC ...
F04D 29/329 (2013.01); B64D 13/06 (2013.01); B64D 13/08 (2013.01); F04D 19/00 (2013.01); F04D 25/06 (2013.01); F04D 29/384 (2013.01); B64D 2013/0618 (2013.01); F04D 29/056 (2013.01); F04D 29/5806 (2013.01);
Abstract
A fan rotor for a ram air fan includes a hub and blades extending radially outwards from the hub. The hub includes an inner hub portion, a disk portion connected to a radially outer surface of the inner hub portion, and an outer hub portion connected to a radially outer surface of the disk portion. The outer hub portion has an upstream arm with a compound contoured surface. The compound contoured surface is configured to direct air flow around the compound contoured surface and along roots of the blades.