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:
May. 19, 2020
Filed:
Feb. 14, 2020
Applicant:
Great Lakes Electric, Llc, Saint Joseph, MI (US);
Inventors:
Zheng Zhang, Saint Joseph, MI (US);
Steve J. Cook, Saint Joseph, MI (US);
Ze Jiang, Zhejiang, CN;
Yifeng Yu, Zhejiang, CN;
Assignee:
Great Lakes Electric, LLC, Saint Joseph, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 11/77 (2018.01); F24F 11/46 (2018.01); F24F 11/65 (2018.01); G05B 19/042 (2006.01); F24F 11/30 (2018.01); F24F 11/74 (2018.01); G05B 15/02 (2006.01); F24F 110/10 (2018.01);
U.S. Cl.
CPC ...
F24F 11/46 (2018.01); F24F 11/65 (2018.01); F24F 11/77 (2018.01); G05B 19/042 (2013.01); F24F 2110/10 (2018.01); G05B 2219/25257 (2013.01);
Abstract
Systems and method for retrofitting heating, ventilation and air-conditioning (HVAC) systems with a variable speed electronically commutated motor (ECM) are provided. A speed setting controller is adapted to be connected with a furnace main control board and a motor controller, and provides detecting, speed setting, and control functions that are required to operate the ECM.