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:
Nov. 26, 2024
Filed:
Jun. 27, 2023
Applicant:
Tyco Fire & Security Gmbh, Neuhausen am Rheinfall, CH;
Inventors:
Harold J. Dubensky, Columbia, PA (US);
James K. Spitzer, York, PA (US);
Roderick Ray Sentz, Spring Grove, PA (US);
Kevin R. Stockton, York, PA (US);
Assignee:
Tyco Fire & Security GmbH, Schaffhausen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 29/10 (2016.01); F04D 27/00 (2006.01); F24F 11/30 (2018.01); F24F 11/62 (2018.01); F24F 11/63 (2018.01); F24F 11/77 (2018.01); H02P 27/06 (2006.01);
U.S. Cl.
CPC ...
H02P 29/10 (2016.02); F04D 27/004 (2013.01); F24F 11/30 (2018.01); F24F 11/62 (2018.01); F24F 11/63 (2018.01); F24F 11/77 (2018.01); F05D 2270/335 (2013.01); H02P 27/06 (2013.01);
Abstract
A fan assembly is provided. The fan assembly includes a fan, a motor that is coupled to the fan, and a variable frequency drive (VFD) that is coupled to the motor. The motor includes a maximum rated speed that is greater than a maximum structural speed limit of the fan, and the VFD includes a current output limit configured to limit an operational speed of the motor to be less than or equal to the maximum structural speed limit of the fan.