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    • 51. 发明申请
    • MULTI-RANGE ON-SITE FULL-AUTOMATIC PRESSURE CALIBRATION INSTRUMENT
    • 多范围现场全自动压力校准仪
    • US20150323409A1
    • 2015-11-12
    • US14806235
    • 2015-07-22
    • BEIJING CONST INSTRUMENT TECHNOLOGY INC.
    • Weili JIANG
    • G01L27/00
    • F04B35/04F04B19/006F04B39/00F04B39/0005F04B39/0094F04B51/00G01L27/005G05D16/208
    • Provided is a multi-range field full-automatic pressure and electric signal calibrating instrument, comprising: control components such as a shell, a power switch, multiple-interfaces, a display, a keyboard, and a gas pressure generating unit, a power supply unit, a pressure detecting unit, a gas pressure control unit and an electric signal detecting unit; the pressure output end of the pressure control unit is in parallel connection with pressure joints which are used for installing multiple pressure standard meters and detected meters with different ranges; the pressure control unit is in signal connection with the pressure standard meters; the electric signal detecting unit is in signal connection with the pressure control unit and the detected meters; the power supply unit can supply power by batteries. The calibrating instrument does not need to be externally connected with a gas cylinder and an alternating current power supply and can automatically generate a gas pressure and generate an accurate standard pressure; the design of the multi-range pressure standard meter can be suitable for various detected meters; the double detection and calibration for pressure and electric signals can be implemented; the weight and volume of the instrument are small; and the multi-range field full-automatic pressure and electric signal calibrating instrument is convenient to carry in the field and can carry out automatic calibration on various field pressure instruments.
    • 提供了一种多范围现场全自动压力和电信号校准仪器,包括:壳体,电源开关,多接口,显示器,键盘和气体压力发生单元等控制部件,电源 单元,压力检测单元,气体压力控制单元和电信号检测单元; 压力控制单元的压力输出端与压力接头平行连接,用于安装多个压力标准仪表和不同量程的检测仪表; 压力控制单元与压力标准仪表信号连接; 电信号检测单元与压力控制单元和检测的仪表信号连接; 电源单元可以通过电池供电。 校准仪器不需要与气瓶和交流电源进行外部连接,可以自动产生气体压力并产生精确的标准压力; 多范围压力标准表的设计可适用于各种检测仪表; 可以实现压力和电信号的双重检测和校准; 仪器的重量和体积小; 多范围全自动压力和电信号校准仪器,便于现场携带,可对各种现场压力仪表进行自动校准。
    • 55. 发明申请
    • Direct current magnetohydrodynamic pump
    • 直流磁流体动力泵
    • US20150219122A1
    • 2015-08-06
    • US13999257
    • 2014-02-03
    • Jan Vetrovec
    • Jan Vetrovec
    • F04F1/06F04B17/04
    • F04F1/06F04B17/04F04B19/006H02K44/04
    • The invention is for an apparatus and method for pumping of electrically conductive liquids such as liquid metals and electrolytes. The apparatus of the present invention is a self-contained direct current (DC) magneto-hydrodynamic (MHD) pump assembly formed by an upper core assembly, lower core assembly, and a flow channel. The flow channel is formed when the upper core assembly and the lower core assembly are put together. Permanent magnets are used to produce magnetic field inside the flow channel. When the flow channel is filled with electrically conductive liquid, the liquid comes into contact with electrodes within the lower core assembly. The electrodes may be used to draw electric current through the liquid, thereby generating MHD force onto it. As a result, a pressure may be generated within the liquid and/or the liquid may be caused to flow.
    • 本发明涉及用于泵送诸如液体金属和电解质的导电液体的装置和方法。 本发明的装置是由上芯组件,下芯组件和流通道形成的独立的直流(DC)磁流体动力(MHD)泵组件。 当上芯组件和下芯组件放在一起时形成流动通道。 永磁体用于在流道内产生磁场。 当流动通道填充有导电液体时,液体与下部芯组件内的电极接触。 电极可以用于通过液体吸引电流,从而在其上产生MHD力。 结果,可能在液体内产生压力,和/或可能导致液体流动。