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    • 2. 发明授权
    • Solar power system requiring no active control device
    • 太阳能发电系统不需要主动控制装置
    • US4341607A
    • 1982-07-27
    • US214193
    • 1980-12-08
    • Raymond R. Tison
    • Raymond R. Tison
    • C25B1/02G05F1/67H01L31/02H01M8/06H01M16/00H01L31/04
    • G05F1/67C25B1/02H01L31/02021H01M16/00H01M8/0656Y02E10/58Y02P20/134Y10S136/291Y10S136/293Y10S323/906
    • A solar power system has a photovoltaic array having a locus of peak power points for various insolation levels, a voltage-dependent variable resistance load such as a water electrolysis unit electrically connected to the array, and a demand-dependent variable resistance load such as a DC to AC inverter connected in parallel with the electrolysis unit. The electrolysis unit or other voltage-dependent variable resistance load has a voltage-current characteristic in which the operating point is displaced from the array's peak power point for most insolation levels. The characteristic is displaced towards higher voltage-lower current operating points. The inverter may move the operating point of the photovoltaic array toward its peak power point when the load requires power. The system may be designed so that the array operates within about 5 percent of its peak power point over a wide range of inverter power demands. A fuel cell may be connected in parallel with the array to provide power to the inverter at low insolation levels, at night or in low sunlight. The fuel cell may use the hydrogen produced by the electrolysis unit for fuel. The total photovoltaic power made available by the system of this invention is generally greater than 95 percent and often greater than 98 percent of the maximum power which the photovoltaic array may produce for many insolation levels.
    • 太阳能发电系统具有光伏阵列,其具有用于各种日照级别的峰值功率点的轨迹,电压相关的可变电阻负载,例如电连接到阵列的水电解单元,以及依赖于需求的可变电阻负载,例如 直流到交流逆变器与电解单元并联连接。 电解单元或其他电压依赖的可变电阻负载具有电压 - 电流特性,其中在大多数日照电平下,工作点从阵列的峰值功率点移位。 该特性被移向较高的电压 - 较低电流工作点。 当负载需要电力时,逆变器可以将光伏阵列的工作点移向其峰值功率点。 该系统可以被设计成使得阵列在大范围的逆变器功率需求下在其峰值功率点的约5%内工作。 燃料电池可以与阵列并联连接,以在日光照射下,夜间或低阳光下向逆变器供电。 燃料电池可以使用由电解单元产生的氢燃料。 由本发明的系统提供的总光伏功率通常大于光伏阵列可以为许多日照级别产生的最大功率的95%并且经常大于98%。
    • 4. 发明授权
    • Apparatus and method for purifying natural gas via cryogenic separation
    • 通过低温分离净化天然气的装置和方法
    • US6082133A
    • 2000-07-04
    • US245570
    • 1999-02-05
    • Michael A. BarclayThomas C. BrookJohn A. BarclayRaymond R. Tison
    • Michael A. BarclayThomas C. BrookJohn A. BarclayRaymond R. Tison
    • B01D53/00F25J1/02F25J3/06F25J1/00
    • F25J3/061B01D53/002F25J1/0022F25J1/004F25J1/0042F25J1/0052F25J1/0212F25J3/0635F25J3/067F25J2205/20F25J2210/66F25J2220/66F25J2230/30F25J2270/02F25J2270/12F25J2270/66F25J2280/30F25J2290/44Y02C10/12Y10S62/909
    • An apparatus for separating CO.sub.2 from a mixture of gases includes CO.sub.2 and a second gas, the apparatus includes an active heat exchanger and a regenerating heat exchanger. The active heat exchanger includes a heat exchange surface in contact with the mixture of gases. The mixture of gases is present in the active heat exchanger at a predetermined pressure which is chosen such that CO.sub.2 freezes on the heat exchange surface when the surface is cooled by a refrigerant having a temperature below that at which CO.sub.2 freezes at the predetermined pressure. The regenerating heat exchanger includes a heat exchange surface in contact with the refrigerant and also in contact with a layer of frozen CO.sub.2. The refrigerant enters the regenerating heat exchanger at a temperature above that at which the CO.sub.2 in the frozen layer of CO.sub.2 sublimates. The sublimation of the solid CO.sub.2 cools the refrigerant prior to the refrigerant being expanded through an expansion valve, which reduces the temperature of the refrigerant to a point below the freezing point of CO.sub.2 at the predetermined pressure. The refrigerant is re-compressed by a compressor after leaving the active heat exchanger. In the preferred embodiment of the present invention, the gaseous CO.sub.2 released by the regenerating heat exchanger is used to precool the incoming gas mixture. A second precooling heat exchanger precools the compressed refrigerant by providing thermal contact with the refrigerant leaving the active heat exchanger.
    • 用于从气体混合物中分离CO 2的装置包括CO 2和第二气体,该装置包括主动热交换器和再生热交换器。 活性热交换器包括与气体混合物接触的热交换表面。 气体的混合物以预定的压力存在于活性热交换器中,该预定压力被选择为使得当表面被低于在预定压力下CO 2冻结的制冷剂冷却时,CO 2在热交换表面上冻结。 再生热交换器包括与制冷剂接触并且与一层冷冻CO 2接触的热交换表面。 制冷剂在高于二氧化碳冷冻层中的二氧化碳升华的温度下进入再生热交换器。 固体二氧化碳的升华在制冷剂通过膨胀阀膨胀之前冷却制冷剂,从而将制冷剂的温度降低到低于预定压力下的CO 2凝固点。 在离开主动热交换器之后,制冷剂被压缩机重新压缩。 在本发明的优选实施例中,由再生热交换器释放的气态CO 2用于预冷进入的气体混合物。 第二预冷热交换器通过与离开活性热交换器的制冷剂的热接触来预先压缩压缩的制冷剂。