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:
Dec. 26, 2017

Filed:

Nov. 17, 2014
Applicant:

Rinnai Corporation, Nagoya-shi, Aichi, JP;

Inventors:

Satoshi Kaneiwa, Nagoya, JP;

Shihori Nishiyama, Nagoya, JP;

Assignee:

RINNAI CORPORATION, Nagoya-Shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24D 19/10 (2006.01); F24H 9/20 (2006.01); G05D 23/19 (2006.01); F24F 11/00 (2006.01); F24H 3/06 (2006.01);
U.S. Cl.
CPC ...
F24H 9/2085 (2013.01); F24F 11/006 (2013.01); F24H 3/065 (2013.01); G05D 23/19 (2013.01);
Abstract

A room heater is operated on receiving an on-command from a thermostat when a detected temperature detected by a second room-temperature detector falls below a first reference temperature, and is stopped on receiving an off-command when the temperature detected by the second room-temperature detector is above a second reference temperature that is set higher than the first reference temperature or when the thermostat is manually operated to be switched off. A setting temperature for temperature control to be carried out when the on-command is received again is updated according to a difference between the set temperature and the temperature detected by the first room-temperature detector on receiving the off-command. When the off-command is received before passing a predetermined period of time after receiving the on-command, the updating of the set temperature is prohibited if the temperature detected by the first room-temperature detector is below a predetermined minimum lower reference temperature.


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