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    • 2. 发明授权
    • Heating resistor flow rate measuring instrument
    • 加热电阻流量测量仪
    • US07051589B2
    • 2006-05-30
    • US10480333
    • 2001-06-13
    • Shinya IgarashiTakayuki SaitouHiromu Kikawa
    • Shinya IgarashiTakayuki SaitouHiromu Kikawa
    • G01F1/68
    • G01F1/72G01F1/684
    • A heating resistor flow rate measuring instrument, having a heating resistor and a thermally sensitive resistor disposed in a sub-passage of a main passage. The heating resistor is disposed in a portion of the sub-passage which has an upstream-side opening substantially perpendicular to the forward direction of a fluid flow and a downstream-side opening substantially parallel to the reverse flaw direction, and the thermally sensitive resistor is disposed in a second sub-passage portion having an upstream-side opening substantially parallel to the forward flow direction and a downstream-side opening substantially perpendicular to the reverse flow direction. Based on changes in resistor temperatures when the flow direction reverses, a precise flow rate may be determined even when a pulsation occurs in the fluid, as both a plus effect caused by a backward flow is eliminated and a value corresponding to the backward flow may be subtracted to obtain accurate flow information.
    • 一种加热电阻器流量测量仪器,具有设置在主通道的子通道中的加热电阻器和热敏电阻器。 加热电阻器设置在子通道的具有基本上垂直于流体流的正向的上游侧开口和基本上平行于反向缺陷方向的下游侧开口的部分中,并且热敏电阻器 设置在具有基本上平行于前向流动方向的上游侧开口的第二子通道部分和基本上垂直于反向流动方向的下游侧开口。 基于流动方向反转时电阻器温度的变化,即使在流体中发生脉动也可以确定精确的流量,因为消除了由反向流动引起的正效应,并且与后向流相对应的值可以是 减去以获得准确的流量信息。
    • 7. 发明授权
    • Refrigerant
    • 制冷剂
    • US06581404B2
    • 2003-06-24
    • US10217870
    • 2002-08-13
    • Takeo KomatsubaraYasuki TakahashiTakayuki SaitouMiyuki Kawamura
    • Takeo KomatsubaraYasuki TakahashiTakayuki SaitouMiyuki Kawamura
    • F25B4300
    • C09K5/045C09K5/042
    • An object of the present invention is to provide a refrigerant in which an odorant is added, the odorant being compatible with refrigerants and refrigerating device oils, and having no reactivity with refrigerating device oils and materials forming refrigerating circuits, and to provide a refrigerating device in which the refrigerant is circulated in the refrigerating circuit. A refrigerant whose main component is a hydrocarbon having 1 to 4 carbon atoms, or a flammable hydrocarbon fluoride obtained when one or more hydrogen atoms of the hydrocarbon is substituted by fluorine atoms, the refrigerant containing a tetrahydrothiophene as an odorant, and a refrigerating device in which the refrigerant is circulated are provided.
    • 本发明的目的在于提供一种加入臭味剂的制冷剂,与制冷剂和制冷装置油相容的加臭剂,与制冷装置油和形成制冷回路的材料无反应性,并提供一种制冷装置 制冷剂在制冷回路中循环。主要成分为碳原子数为1〜4的烃的制冷剂,或者烃的一个以上的氢原子被氟原子取代时所得到的可燃性氟化烃,含有 四氢噻吩作为加臭剂,以及制冷剂循环的制冷装置。