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. 05, 2016
Filed:
Apr. 11, 2014
Applicant:
Trane International Inc., Piscataway, NJ (US);
Inventor:
Robert Wayne Helt, Westborough, MA (US);
Assignee:
Trane International Inc., Piscataway, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24H 3/00 (2006.01); F24D 19/10 (2006.01);
U.S. Cl.
CPC ...
F24H 3/002 (2013.01); F24D 19/1009 (2013.01);
Abstract
A method is provided for controlling operation of electrical heating elements in a heating, ventilating, and air conditioning (HVAC) system in accordance with fan operating conditions, the method comprising the steps of: monitoring speeds at which a fan motor is operating; communicating status signals indicative of fan motor operating speeds; and upon receiving a status signal indicating the fan motor is operating at a speed exceeding a predetermined maximum speed, communicating a control signal instructing a heater interlock to interrupt power supplied to at least one electrical heating element.