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    • 3. 发明专利
    • DUCT PURIFIER IN BATH WATER CIRCULATOR
    • JPH1183163A
    • 1999-03-26
    • JP24436597
    • 1997-09-09
    • JANOME SEWING MACHINE CO LTD
    • KOYAMA TORUOGAWA YASUOASAI KOICHINOZAWA KATSUAKI
    • A47K3/00F24H1/00
    • PROBLEM TO BE SOLVED: To obtain a duct purifier for bath water circulator in which a circulation duct is cleaned with hot water and then the hot water is cooled down before being discharged so that it causes no burn on human body. SOLUTION: This duct purifier for bath water circulator comprises a heater 1, a circulation pump P, a circulation duct 5 for circulating bath water through a bathtub 10 by means of the circulation pump P, a coupling duct 6, first three- way valve V1 disposed at the base of the coupling duct 6 closely to the flow-out side of the circulation duct 5, a second three-way valve V2 disposed at an appropriate position closer to the flow-out side of the circulation duct 5 than the first three-way valve V1, and a pipe 7 for discharging water from the second three-way valve V2 to the outside of the bathtub 10. At the time of purifying the duct, bath water in the circulation duct 5 is heated up to a high temperature so that it can be circulated through the coupling duct 6. The hot water can be discharged from the discharge pipe 7 after purifying the inside of the circulation duct 5.
    • 6. 发明专利
    • AIR PURIFIER
    • JPS63137758A
    • 1988-06-09
    • JP28425686
    • 1986-12-01
    • JANOME SEWING MACHINE CO LTD
    • YAMAMOTO KAZUJIOGAWA YASUOSASANO AKIYOSHI
    • F24F7/00B03C3/40B03C3/68
    • PURPOSE:To reduce noise and to efficiently perform purification, by making it possible to change over air purifying operation only due to ion wind and air purifying operation due to the ion wind and wind from a fan. CONSTITUTION:When the power source switch 9 connected to a power source 16 is closed, a current is supplied to an air purifier and, when a change-over switch 7 is on a b-side, a current is supplied to the high voltage generator 8 of a dust collection unit and positive high voltage is applied to an ionizing wire. By this method, dust is positively charged to be collected by a dust collection electrode plate negatively charged and ion wind is also generated to perform suction and discharge. Next, when the change-over switch 7 is change over to an a-side, a current is also supplied to a fan motor 3 in addition to the high voltage generator 8 of the dust collection unit. Since large capacity suction and discharge due to the rotation of a sirocco fan is performed in addition to the dust collection due to the suction and discharge by the ion wind, a purifying speed is increased and rapid countermeasure can be taken against heavy contamination.
    • 8. 发明专利
    • DEVICE FOR CLEANING BATH WATER
    • JP2000237076A
    • 2000-09-05
    • JP3957499
    • 1999-02-18
    • JANOME SEWING MACHINE CO LTD
    • OGAWA YASUOASAI KOICHIKOMIYA YASUHIKOKODAMA NAGATOMO
    • A47K3/00B01D35/027
    • PROBLEM TO BE SOLVED: To enable filling water in a device through the use of a self-supply pump not by means of a manual work by executing a water filling operation through the use of a non-self-supply pump in the case of a normal operation and the self-supply pump in the case of filling water and executing control to change-over into the operation of the non-self-supply pump after a water filling state is recognized. SOLUTION: When a user indicates a water filling command or an operation start command with an operating device 6, a controller 5 drives the self-supply pump P2, permits it to fill water, stops the pump P2 after the end of water filling, changes-over the driving of the non-self-supply pump P1 and executes the normal operation in configuration. A configuration where a water existence sensor is arranged in the duct or the filter tank T of the device or the like as a means for detecting the end of water filling and the water filling end is detected by a detecting signal from the sensor is adapted. By the bath water purifying device with the configuration, water filling is executed by the pump P2 and the burden of the user is relieved.
    • 9. 发明专利
    • BATHING WATER PURIFYING DEVICE
    • JP2000135173A
    • 2000-05-16
    • JP30984698
    • 1998-10-30
    • JANOME SEWING MACHINE CO LTD
    • YAMAMOTO KAZUJIKODAMA NAGATOMOKATO SHINICHIKOYAMA TORUASAI KOICHIKOMIYA YASUHIKOOGAWA YASUO
    • A47K3/00B01D35/027F24H1/00
    • PROBLEM TO BE SOLVED: To perform stable hot washing with the bathing water in a bathtub by performing heating while compensating the temporary decrease of a temperature caused by bathing water in external piping to be cooled by an external air temperature based on a detected external air temperature value detected by an external air temperature sensor. SOLUTION: When a control panel 2 performs operation for starting hot washing, a controller 1 detects an internal circulating bathing water temperature from an internal temperature sensor 3 and simultaneously detects the external air temperature from an external air temperature sensor 4. Then, the controller 1 determines a temperature while considering the temperature decrease of bathing water in external piping 5 to be cooled by the external air temperature and controls a heater H corresponding to this temperature. Simultaneously, a switching valve V1 is switched to the side of bypass pipe and the temperature is elevated to the temperature determined by internal circulation. Further, the switching valve V1 is switched to the side of a switching valve V2 and water is circulated while retaining warmth in a full water system circulation mode. Afterwards, when hot washing is completed, the switching valve V2 is switched to the side of drain pipe.
    • 10. 发明专利
    • APPARATUS FOR CLEANING BATHTUB HOT WATER
    • JP2000111144A
    • 2000-04-18
    • JP29601698
    • 1998-10-02
    • JANOME SEWING MACHINE CO LTD
    • OGAWA YASUOKOMIYA YASUHIKOASAI KOICHI
    • A47K3/00B01D35/027F24H1/00G01N27/06
    • PROBLEM TO BE SOLVED: To prevent a fault or an erroneous operation and to improve reliability by providing two electrode plates coupled directly to a circuit board to sense a water immersion according to a change of a resistance value near a bottom. SOLUTION: A circuit board 25 for controlling an operation of cleaning means disposed in an apparatus body 2 is covered with a circuit cover 26 and mounted on a rear surface of a front cover 23. Two electrode plates 27 as a water immersion sensor are each formed of an anticorrosion metal plates of stainless steel or the like, and extended toward downward to the vicinity of a bottom of an apparatus body 4 mounted directly at a lower end of the circuit 25. When the body 2 is submersed in water, the water is stored in the body 2 so that an electric resistance between the plates 27 is changed, a water immersion sensor provided on the board 25 senses it. Thus, its cost can be reduced with a simple constitution, and even in an environment in which corrosiveness is high and an erroneous operation is feasible even in a bathroom, the immersion can be accurately continuously sensed with high reliability.