Title:
熱源機
Document Type and Number:
Japanese Patent JP7220046
Kind Code:
B2
Abstract:
To provide a heat source machine that prevents a back flow of acid water vapor, and has excellent workability.SOLUTION: A heat source machine comprises: a burner body 30 in which a burner 31 is arranged; a fan case 40 connected to the burner body 30, and in which a fan 70 for supplying a mixture of fuel gas and combustion gas to the burner 31 is housed; and a check valve 5 comprising a flap 52 to be opened to only a downstream side of a gas flow passage for the mixture. The check valve 5 is arranged closer to an upstream side than a discharge port 44 in a fan side connection flow passage.SELECTED DRAWING: Figure 2
Inventors:
Takahiro Ono
Application Number:
JP2018191480A
Publication Date:
February 09, 2023
Filing Date:
October 10, 2018
Export Citation:
Assignee:
Rinnai Corporation
International Classes:
F23L3/00; F23L13/02; F24H9/02
Domestic Patent References:
| JP2017020693A | ||||
| JP4208347A | ||||
| JP10300153A | ||||
| JP2006046243A | ||||
| JP59139659U |
Attorney, Agent or Firm:
Eiji Miyazaki
Tomohiro Harada
Tomohiro Harada