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    • 2. 发明授权
    • Bed with grid deck
    • 床与格子甲板
    • US08387180B1
    • 2013-03-05
    • US12435169
    • 2009-05-04
    • Dennis Paul Rizzardo
    • Dennis Paul Rizzardo
    • A47C21/08
    • A47C21/08A47C20/08
    • The present invention relates to a bed having a rigid deck supported over the base. Four sections can be provided, with three of the sections comprising rigid grids that lie in respective planes. The sections can be coplanar when the deck is in a flat position. Several cross members can be provided to support the deck sections. Holders, which can be comprised of slots that are formed in the cross members, provide bidirectional support to side rails. In this regard, the bed rails can be removably positioned within the slots to maintain the position of the bed rails and eliminate rail migration.
    • 本发明涉及一种具有支撑在基座上的刚性甲板的床。 可以提供四个部分,其中三个部分包括位于相应平面中的刚性网格。 当甲板处于平坦位置时,这些部分可以是共面的。 可以提供几个横向构件来支撑甲板部分。 可以由形成在横向构件中的槽构成的支架为侧轨提供双向支撑。 在这方面,床轨可以可拆卸地定位在槽内以保持床轨的位置并消除轨道移动。
    • 6. 发明授权
    • Active antenna system with fault detection
    • 有源天线系统故障检测
    • US06928281B2
    • 2005-08-09
    • US10318418
    • 2002-12-12
    • Dennis Paul WardRichard David Zerod
    • Dennis Paul WardRichard David Zerod
    • H01Q23/00H04B1/04H04B1/18H04Q7/20
    • H01Q23/00H04B1/0466H04B1/18
    • An active antenna power interface circuit couples a supply voltage from a radio receiver to an antenna feed. The circuit comprises a DC power input and a power switching element connected in series between the DC power input and the antenna feed. The power switching element has a control input for selecting a conducting state or a nonconducting state of the power switching element. A high side voltage sensor senses a first voltage proportional to a voltage at the DC power input. A low side voltage sensor senses a second voltage proportional to a voltage at the antenna feed. A controller is coupled to the control input and to the voltage sensors. The controller places the power switching element into the conducting state, samples the first and second voltages, calculates a voltage difference in response to the first and second voltages, compares the voltage difference to an upper limit and a lower limit. If the voltage difference is greater than the upper limit then the controller signals a short-circuit fault. If the voltage difference is less than the lower limit then the controller signals an open-circuit fault.
    • 有源天线功率接口电路将来自无线电接收机的电源电压耦合到天线馈电。 电路包括直流电源输入和串联连接在直流电源输入和天线馈电之间的功率开关元件。 功率开关元件具有用于选择功率开关元件的导通状态或非导通状态的控制输入。 高侧电压传感器检测与直流电源输入端的电压成比例的第一电压。 低侧电压传感器感测与天线馈电电压成比例的第二电压。 控制器耦合到控制输入和电压传感器。 控制器将功率开关元件置于导通状态,对第一和第二电压进行采样,根据第一和第二电压计算电压差,将电压差与上限和下限进行比较。 如果电压差大于上限,则控制器发出短路故障信号。 如果电压差小于下限,则控制器发出开路故障信号。
    • 7. 发明授权
    • High acid aqueous nanocomposite dispersions
    • 高酸性水性纳米复合物分散体
    • US06765049B2
    • 2004-07-20
    • US09953715
    • 2001-09-17
    • Dennis Paul LorahRobert Victor Slone
    • Dennis Paul LorahRobert Victor Slone
    • C08K334
    • B82Y30/00C08F2/00C08F2/44C08F265/06C08F292/00C08K9/04C08K9/08C08K2201/011
    • The present invention is directed to, in part, polymer clay nanocomposites having an acid containing monomer and clay. In one embodiment, there is provided a process for preparing an aqueous polymer clay nanocomposite dispersion, wherein the process comprises: providing an aqueous dispersion comprising at least one clay, optionally at least one ethylenically unsaturated monomer, and optionally at least one surfactant; providing a monomer mixture comprising at least 10% by weight of an acid containing monomer within the monomer mixture and optionally a surfactant; mixing the aqueous dispersion and the monomer mixture; and polymerizing the monomer to form the nanocomposite dispersion wherein the clay is at least partially exfoliated within the nanocomposite dispersion. The present invention also relates to the use of these compositions such as thickeners, dispersants, plastics additives, adhesives, coatings, flexographic inks, overprint varnishes, and dry cement powder modifiers.
    • 本发明部分地涉及具有含酸单体和粘土的聚合物粘土纳米复合材料。 在一个实施方案中,提供了一种制备水性聚合物粘土纳米复合物分散体的方法,其中所述方法包括:提供包含至少一种粘土,任选至少一种烯属不饱和单体和任选的至少一种表面活性剂的水分散体; 提供在单体混合物和任选的表面活性剂中包含至少10重量%的含酸单体的单体混合物; 混合水分散体和单体混合物; 并且使所述单体聚合以形成所述纳米复合物分散体,其中所述粘土至少部分地在所述纳米复合物分散体内剥离。 本发明还涉及这些组合物如增稠剂,分散剂,塑料添加剂,粘合剂,涂料,柔性版油墨,套印清漆和干燥水泥粉末改性剂的用途。
    • 9. 发明授权
    • Apparatus for separating mixed fluids and measuring quantity of component fluids
    • 用于分离混合流体和测量组分流体量的装置
    • US06736964B1
    • 2004-05-18
    • US10255983
    • 2002-09-26
    • Dennis Paul Caldwell
    • Dennis Paul Caldwell
    • B01D3500
    • B01D17/0208B01D17/0214Y10T137/3012Y10T137/3068
    • The apparatus for separating and measuring mixed fluids, specifically the separation of crude oil and water and the volumetric measurement of each of the mixed fluids using a mechanical portable device primarily involving a separation vessel, an adjustable float within the vessel which allows the fluid of less specific gravity to be released from the top of the separation vessel through an upper pipeline, the heavier specific gravity fluid to be released from the bottom of the separation vessel through a lower pipeline, with fluid volume meters on each of the pipelines to measure the liquid flowing through the respective pipelines, the apparatus presented as a portable unit transferable from one pumping device to another, allowing for an accurate measurement of the fluids being extracted by the pumping devices.
    • 用于分离和测量混合流体的装置,特别是原油和水的分离以及使用主要涉及分离容器的机械便携式装置的每种混合流体的体积测量,该容器内的可调节浮子允许流体少 比重通过上部管道从分离容器的顶部释放,较重的比重流体将通过下部管道从分离容器的底部释放,每个管道上具有流体体积计,以测量液体 流经相应的管道,该装置呈现为可从一个泵送装置转移到另一个泵送装置的便携式装置,允许精确地测量由泵送装置抽出的流体。