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    • 47. 发明专利
    • WASHING MACHINE
    • JPH0938602A
    • 1997-02-10
    • JP19522195
    • 1995-07-31
    • SANYO ELECTRIC CO
    • NORO MASARUMATSUNAGA HIDEAKIOSANAWA MITSURUSAKANE TETSUOYUKI TAKENARI
    • A47L15/00A47L15/42A47L15/46B05B17/08B08B3/02B08B3/10
    • PROBLEM TO BE SOLVED: To obviate the occurrence of the bumping phenomenon that the air in a washing chamber expands at a breath and to prevent the contamination of the washing machine, etc., by spouting of hot water by injecting the hot water in a special operating state into the washing chamber at the time of restarting the operation after the air in the washing chamber is exchanged with the cooled outdoor air. SOLUTION: The objects to be washed, for example, experimental appliances, are previously mounted at respective upper and lower stage racks UR, DR and, thereafter, these appliances are installed in the washing chamber 20 at the time of washing. A water feed valve 37 is first turned on to store the hot water in a water storage tank 27 and, thereafter, the hot water feed valve 37 is turned off at the point of the time the water attains the regulated water level as a prewashing batch stage. The temp. of the hot water is detected by a water temp. detecting thermistor 50. The bumping phenomenon that the air in the washing chamber 27 expands at a breath is judged not to arise when the detected temp. is judged to be below the specified tap. Further, the hot water is respectively supplied via first and second supplying pipes 59, 60 to upper and lower nozzles 26, 23 by continuously turning on a circulating pump 55, by which the experimental appliances are washed. At this time, the temp. of the hot water is kept constant by subjecting a heater 51 to on/off control.