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.

Date of Patent:
Jun. 19, 2018

Filed:

Dec. 12, 2016
Applicant:

Honeywell International Inc., Morris Plains, NJ (US);

Inventors:

Daniel J. Sullivan, St. Anthony, MN (US);

Camel J. Zhang, Tianjin, CN;

Levi Geadelmann, Edina, MN (US);

Gary Yang, PRC, CN;

Angela Zhao, Tianjin, CN;

Assignee:

Honeywell International Inc., Morris Plains, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 11/00 (2018.01); G05D 23/19 (2006.01); G05B 19/048 (2006.01);
U.S. Cl.
CPC ...
F24F 11/0012 (2013.01); F24F 11/006 (2013.01); F24F 11/008 (2013.01); F24F 11/0034 (2013.01); F24F 11/0079 (2013.01); F24F 11/0086 (2013.01); G05B 19/048 (2013.01); G05D 23/1904 (2013.01); F24F 2011/0035 (2013.01); F24F 2011/0057 (2013.01); F24F 2011/0063 (2013.01); F24F 2011/0064 (2013.01); F24F 2011/0073 (2013.01); F24F 2011/0091 (2013.01); G05B 2219/2614 (2013.01);
Abstract

Fan coil thermostats can provide energy savings by, for example, not unnecessarily heating and/or cooling an unoccupied room or other space. Fan coil systems employing such a fan coil thermostat may be more energy efficient. A fan coil system may include a fan coil that is configured for fluid communication with a source of heated fluid and/or a source of cooled fluid, a valve that controls fluid flow through the fan coil, a fan that blows air across the fan coil and a fan coil thermostat. The fan coil thermostat may include a controller that implements a control algorithm that may include an unoccupied temperature setting. The controller may be programmed to permit a user to enter a user-chosen temperature setting. In response, the controller may initiate a timer, and may automatically return to the unoccupied temperature setting once the timer has expired.


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