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:
Jan. 29, 2019
Filed:
Dec. 10, 2013
Carrier Corporation, Farmington, CT (US);
Ryan K. Dygert, Cicero, NY (US);
Peter R. Bushnell, Cazenovia, NY (US);
CARRIER CORPORATION, Farmington, CT (US);
Abstract
A fan assembly () includes a shrouded fan rotor () including 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 the plurality of fan blades (). The shroud () has a first axially extending annular portion () secured to the plurality of fan blades (), a second axially extending annular portion () radially outwardly spaced from the first axially extending annular portion (), and a third portion () connecting the first () and second () axially extending annular portions. A casing () is positioned circumferentially around the fan shroud () defining a radial clearance between the casing and the fan shroud. The casing () includes a plurality of casing elements () extending from a radially inboard surface () of the casing toward the shroud () and defining a radial element gap and an axial element gap.