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    • 1. 发明专利
    • 1 can type composite heat source machine
    • JP5330285B2
    • 2013-10-30
    • JP2010017801
    • 2010-01-29
    • リンナイ株式会社
    • 秀介 近藤英男 岡本政一 清水征樹 宮島勇一 沢田
    • F24H1/10F23N5/24F24H1/00
    • PROBLEM TO BE SOLVED: To detect clogging of a fin in a heat exchanger on one side, in one can type complex heat source machine having: a pair of burners 2 1 , 2 2 disposed in parallel with each other in a single can body; a pair of heat exchangers 3 1 , 3 2 disposed in parallel with each other in an upper section of the can body; and a partitioning wall 8 for dividing the inside of the can body into two combustion chambers 7 1 , 7 2 , and cooling the partitioning wall by the air from an air supply chamber 5. SOLUTION: At least a part of an area of the partitioning wall 8 facing both combustion chambers 7 1 , 7 2 is made hollow, and a temperature sensor 10 is disposed in the hollow section. When the fin of one of the heat exchangers is clogged, a combustion gas in one of the combustion chambers corresponding to the heat exchanger flows in a state of deflecting to a partitioning wall side, and a detection temperature of the temperature sensor 10 rises. In a single combustion for burning only one of burners, the presence or absence of fin clogging of one of the heat exchangers corresponding to one of the burners is discriminated on the basis of the detection temperature of the temperature sensor 10. COPYRIGHT: (C)2011,JPO&INPIT