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. 02, 2024
Filed:
Oct. 26, 2021
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/52 (2006.01); F04D 29/62 (2006.01); F01D 5/28 (2006.01); F04D 29/22 (2006.01); F04D 29/66 (2006.01); F04D 29/16 (2006.01);
U.S. Cl.
CPC ...
F04D 29/526 (2013.01); F01D 5/288 (2013.01); F04D 29/162 (2013.01); F04D 29/2222 (2013.01); F04D 29/622 (2013.01); F04D 29/666 (2013.01);
Abstract
A fan motor according to an embodiment of the present invention may include: an impeller a hub connected to a rotary shaft and at least one blade formed on the outer surface of the hub; a shroud surrounding the outer circumference of the impeller; and a coating layer coated on the inner circumferential surface of the shroud. The coating layer may include: a polymer having strength lower than the strength of the blade; and a plurality of beads mixed with the polymer and having strength higher than the strength of the polymer.