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:
Feb. 06, 2018

Filed:

Dec. 11, 2015
Applicant:

Rinnai Corporation, Nagoya-shi, Aichi, JP;

Inventor:

Ryosuke Yuge, Aichi, JP;

Assignee:

RINNAI CORPORATION, Nagoya-Shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24D 17/00 (2006.01); G05D 23/19 (2006.01); F24D 19/10 (2006.01);
U.S. Cl.
CPC ...
G05D 23/1919 (2013.01); F24D 17/0026 (2013.01); F24D 17/0078 (2013.01); F24D 19/1051 (2013.01); Y10T 137/6497 (2015.04); Y10T 137/86171 (2015.04);
Abstract

A hot-water supply systemcomprises a temperature responsive valveprovided in a first bypass passage, an orificeprovided in a second bypass passage, a flow rate sensorprovided in a water supply passagedownstream from a connection point with the second bypass passage, a circulating pumpprovided in the water supply passagedownstream from the connection point with the second bypass passage, and a controller. The controlleroperates the circulating pumpand executes circulation heating operation for operating a burner to heat the hot water circulating through a circulation circuit, when a flow rate detected by the flow rate sensoris equal to or more than a specified flow rate.


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