Hot-water storage type heating unit

Patent metadata

Field	Value
Publication number	US-9103554-B2
Application number	US-201013822660-A
Country	US
Kind code	B2
Filing date	Oct 20, 2010
Priority date	Oct 20, 2010
Publication date	Aug 11, 2015
Grant date	Aug 11, 2015

Abstract

In a hot-water storage type heating unit 1 , a liquid-liquid heat exchanger 15, which exchanges heat between a first hot-water circulation circuit 12 through which hot water stored in a hot-water storage tank 11 circulates and a heating circulation circuit 14 in which the hot water flows from a radiator unit 3 for heating, is disposed above the hot-water storage tank 11 , and a circulation pump 16 is disposed in the first hot-water circulation circuit 12 on the downstream side of the liquid-liquid heat exchanger 15 . In order to return the gas, which is separated by a gas-liquid separator 17 provided so as to be interposed in the first hot-water circulation circuit 12 between the liquid-liquid heat exchanger 15 and the circulation pump 16 , to the hot-water storage tank 11 , a return passage 18 which communicates between the hot-water storage tank 11 and the gas-liquid separator 17 is provided.

First claim

The invention claimed is:

1. A hot-water storage type heating unit, comprising:
a hot-water storage tank which stores hot water in an inner portion thereof;
a hot-water circulation circuit through which the hot water stored in the hot-water storage tank circulates;
a radiation circuit to which a radiator is connected and in which a heating medium flows;
a liquid-liquid heat exchanger which exchanges heat between the hot water which circulates through the hot-water circulatio…

Assignees

• Imai Seishia
• Rinnai Kk

Inventors

• Imai Seishia

Classifications

• F24D2200/12

  Mechanical Engineering · mapped topic

• F24D2220/06

  Mechanical Engineering · mapped topic

• F24D3/1075

  Mechanical Engineering · mapped topic

• F24D3/14

  Mechanical Engineering · mapped topic

• F24D3/02 Primary

  Mechanical Engineering · mapped topic