logo

For the Inventor, By the Inventor

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.:

US 11226114 B1

PDFFull Text
Date of Patent:
Jan. 18, 2022

Filed:

May. 03, 2017

Inlet for axial fan

Applicant:

Carrier Corporation, Palm Beach Gardens, FL (US);

Inventor:

Ryan K. Dygert, Cicero, NY (US);

Assignee:

CARRIER CORPORATION, Palm Beach Gardens, FL (US);

Attorney:

Cantor Colburn LLP

Primary Examiner:

Richard A Edgar

Assistant Examiner:

Aye S Htay

Int. Cl.
CPC ...
F24F 1/0029 (2019.01); F24F 1/029 (2019.01); F04D 29/54 (2006.01); F04D 29/66 (2006.01); F24F 1/0323 (2019.01); F24F 1/0287 (2019.01); F04D 19/00 (2006.01); F04D 25/12 (2006.01); F04D 29/34 (2006.01); F24F 13/20 (2006.01); F04D 29/38 (2006.01); F04D 25/06 (2006.01);
U.S. Cl.
CPC ...
F24F 1/029 (2019.02); F04D 19/002 (2013.01); F04D 25/12 (2013.01); F04D 29/34 (2013.01); F04D 29/541 (2013.01); F04D 29/542 (2013.01); F04D 29/667 (2013.01); F24F 1/0029 (2013.01); F24F 1/0287 (2019.02); F24F 1/0323 (2019.02); F24F 13/20 (2013.01); F04D 25/06 (2013.01); F04D 29/38 (2013.01); F04D 29/544 (2013.01); F24F 2013/205 (2013.01);
Abstract

A fan assembly () includes a shrouded fan rotor () having a plurality of fan blades () extending from a rotor hub () and rotatable about a central axis () of the fan assembly, and a fan shroud () extending circumferentially around the fan rotor () and secured to an outer tip diameter of the plurality of fan blades (). A fan casing () encloses the shrouded fan rotor (). The fan casing () defines a fan inlet () of the fan assembly and includes an inlet extension () at an outer diameter of the fan casing, extending axially upstream of a conventional bell mouth inlet (), relative to a direction of airflow through the shrouded fan rotor ().

Find Patent Forward Citations

Loading…