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    • 4. 发明专利
    • HEAT STORING DEVICE
    • JPH10288359A
    • 1998-10-27
    • JP9583397
    • 1997-04-14
    • TOSHIBA CORPTOSHIBA AVE KK
    • MYOJIN KAZUHISAARAI YASUHIROSHIBATA KAZUNORI
    • F24F5/00
    • PROBLEM TO BE SOLVED: To perform the stable use of a heat storing device for a long period without decreasing a heat storage material by providing a heat storage container with a vaporization suppressing means. SOLUTION: A heat storing device 30 comprises a heat storage container composed of a metallic heat storage tank 31 and a metallic cover body 32. A heat storage material 33 for brine consisting mainly of water and mixed with 30% ethylene glycol is contained at the internal part of the heat storage tank 31 to prevent the occurrence of freezing and corrosion during a low temperature. Further, the cover body 32 increases a mechanical strength by a rim and a stem suppression means is arranged at the central part thereof and an opening 36 to be communicated with the atmosphere is opened. An opening area prevents the excessive increase of the internal pressure of the heat storage container by steam generated from the heat storage material 33 and is sufficiently reduced in a manner not to excessively discharge the steam to the atmosphere.
    • 5. 发明专利
    • COOLING AND HEATING APPARATUS
    • JPH04194559A
    • 1992-07-14
    • JP32255990
    • 1990-11-28
    • TOSHIBA CORPTOSHIBA AVE KK
    • SAITO KAZUOKUMAZAWA KATSUYOSHIARAI YASUHIROSAITO TOSHIHIKOSANO TETSUOKAMEYAMA SHINICHI
    • F25B13/00
    • PURPOSE:To obtain a variable capacity with a wide range by sufficiently covering a low heating capacity, by a method wherein when heating operation requires a with heating capacity, a first opening or closing valve is opened, a second opening or closing valve is closed, and the operation of a refrigerant heating and the operation of a heat pump are simultaneously performed; and on the other hand, when the heating operation is enough even with a low heating capacity, the first and second valves are closed and only the operation of the heat pump is performed. CONSTITUTION:When heating operation requires a large amount of heating-capacity, the operation of heating a refrigerant and the operation of a heat pump are simultaneously performed. In this case, a two-way valve 63 on the upstream side of a refrigerant heater 53 is opened and a two-way valve 73 on the upstream side of a two-cylinder type compressor 27 is closed. The refrigerant flows parallel to the side of the refrigerant heater 53 under high pressure and to the side of an outdoor heat-exchanger 57 under low pressure, and absorbs heat by combustion and heat from the air. In the case where the heating operation is enough even if the heating capacity is small, the operation of the refrigerant heater 53 is stopped, the two way valve 63 is closed, and only the operation of the heat pump using the outdoor heat-exchanger 57 is performed. At this time, the two-way valve 73 is in the state of closing in that state, and the refrigerant coming out of the outdoor heat-exchanger 57 does not flow to the side of a pipe line 65, and flows only to the side of a pipe line 71, and thus flows into only one line of a first cylinder 39. Therefore, the heating operation can be covered even an extremely small heating-capacity.
    • 7. 发明专利
    • DE10196614T1
    • 2003-10-30
    • DE10196614
    • 2001-09-14
    • TOSHIBA KK
    • OMA ATSUSHIOGAMI YASUJIARAI YASUHIRO
    • F28B1/00H01M8/06H01M8/04H01M8/00H01M8/10
    • A solid polymer type fuel cell system according to the present invention has a heat source of exhaust fluid from an electricity generation unit 23 in condensed heat exchangers 38, 40 in a heat recovery unit 19 and supply water from a water supply unit 66 as a heat source to be heated to a hot water through heat-exchanging process. The fuel cell system comprises a hot water supply unit 41 for supplying the hot water to a heat utilization section, gas-liquid separator 30 for preliminarily mixing the drain water generated during the heat-exchanging process to the fuel to be supplied to a fuel reforming unit 22, and a circulation path 45 for circulating the water to a cell body 32 of the electricity generation unit to carry out the heat-exchanging and supplying the hot water to the heat utilization section. According to this structure, there can be provided the solid polymer type fuel cell system in which the drain water contained in the combustion exhaust gas can be effectively and fully recovered and the recovered drain water can be also effectively utilized.