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    • 44. 发明专利
    • HOT WATER HEATER
    • JPH11118162A
    • 1999-04-30
    • JP28171097
    • 1997-10-15
    • MATSUSHITA ELECTRIC IND CO LTD
    • TAKEOKA MASAHIKOKUSHIDA SHINJIYOSHIDA YUTAKAHASHIDO KENKICHIMURAKAMI SHIGERU
    • F24D3/00
    • PROBLEM TO BE SOLVED: To prevent hunting of warm air temperature from occurring at an early stage of operation by changing air supply volume of a warm air fan according to hot water temperature of a heat source machine in addition to operation conditions of a radiator. SOLUTION: If combustion has proceeded and air supply volume set values detected by a hot water temperature detector 3 and a hot water temperature calculating part 39 exceeds a lower limiter value, a comparator built in a radiator 18 transmits a signal to an air supply volume setting part 47 so as to operate a warm air fan 20. The signal of the air supply volume setting part 47 is also inputted to a variable blade controller 31 so as to set inclination angle of a variable blade 23 according to the signal. This control is repeated until the air supply volume set value reaches a target value so as to gradually increase supply volume of the warm air fan 20. Thus, the warm air fan 20 is operated according to the air supply volume set value until the air supply volume set value that is set according to hot water temperature data within a hot water temperature range set in advance reaches an air supply volume target value so that hunting such as cold air blowing or the, like can be prevented at an early stage of operation.
    • 46. 发明专利
    • COMBUSTION INSTRUMENT
    • JPH0821659A
    • 1996-01-23
    • JP15465794
    • 1994-07-06
    • MATSUSHITA ELECTRIC IND CO LTD
    • FUJIMOTO MASAYUKIHASHIDO KENKICHI
    • F24H9/02
    • PURPOSE:To facilitate the attachment and detachment of an exhaust tube and simplify the installation and the like of the main body of an instrument. CONSTITUTION:A combustion instrument is constituted so that an exhaust pipe 14 is loosely fitted into an exhaust tube 6 at the side of the main body of the instrument and is coupled thereto under abutting condition through an O-ring 19 while a cap 20, provided on the exhaust pipe 14, is coupled to a cap mounting tube 9, provided at the side of the exhaust tube 6 of a main body, through bayonet coupling whereby an air-tight condition between the main body exhaust tube 6 and the exhaust pipe 14 is retained while compressing the O-ring 19 but the exhaust pipe 14 is loosely fitted into the main body exhaust tube 6 by removing the cap 20. According to this constitution, the attaching and detaching of the exhaust pipe 14 can be effected by a slight force and the attaching and detaching of the cap 20 can be effected simply whereby the attaching and detaching of the main body of the instrument can be simplified remarkably.
    • 49. 发明专利
    • FAN FORCED HEATER
    • JPH0650612A
    • 1994-02-25
    • JP20474492
    • 1992-07-31
    • MATSUSHITA ELECTRIC IND CO LTD
    • KITAMURA MOTOHIKONAGATOSHI TAKEHIROSANO HIDEJIHASHIDO KENKICHIFUJIMOTO MASAYUKI
    • F24H9/06
    • PURPOSE:To prevent the increase of the temperature of a fan motor bearing part and to improve stability of fan motor fixing and vibration resistance, in a fan forced heater, especially convection fan support constitution. CONSTITUTION:A fan motor 5 to drive a convection fan 3 has a gap 18 for the flow of air provided on the outer periphery of a bearing part on the heat source body side of a fan motor in a way that a bearing part on the back side of the fan motor is fitted in and supported to a motor mounting tool 12 mounted on a device body through a support rubber and the heat source body side is brought into pressure contact for fixing such that a U-shaped fitment 16 is fitted through a vibration preventing rubber 15 to embrace the outer peripheral part of the fan motor is mounted on the motor mounting tool. This constitution prevents the increase of the temperature of the bearing part by means of suction air generated at a fan motor bearing part with the aid of a convection fan 3 and improves installation stability and vibration resistance of the fan motor 3 since a support part forms the outer periphery part of the fan motor.