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    • 71. 发明授权
    • Line voltage setback thermostat
    • 线路电压降温恒温器
    • US4775100A
    • 1988-10-04
    • US33965
    • 1987-04-01
    • Glenn C. GouldeyEugene M. ShanahanRobert E. Smith
    • Glenn C. GouldeyEugene M. ShanahanRobert E. Smith
    • G05D23/32F23N5/20
    • G05D23/32
    • A line voltage setback thermostat retrofitable over existing single width electrical wall outlet boxes. A metal deck plate is attached to the box and extends laterally beyond along the wall. The line load switch is mounted to the deck plate back and extends into the box and is covered with a metal cover. A resistor under the metal cover provides heat for setback mode operation of a bi-metal element which operates the load switch. A timer for energizing the resistor and surface wiring are surface mounted on the extended portion of the deck. A plastic cover is attached to the deck plate from the back and covers the timer and surface wiring and also retains the metal switch cover. An outer bezel with adjustment knobs extending therethrough provides indicia for setting the thermostat and timer.
    • 线路电压降压恒温器可以在现有的单宽电壁墙插座盒上改装。 金属甲板板连接在箱体上,横向延伸超过墙壁。 线路负载开关安装在甲板上,并延伸到箱体内并用金属盖覆盖。 金属盖下方的电阻为操作负载开关的双金属元件的遏制模式操作提供热量。 用于激励电阻器和表面布线的定时器表面安装在甲板的延伸部分上。 塑料盖从背面连接到甲板上,并覆盖定时器和表面布线,并且还保留金属开关盖。 具有延伸穿过的调节旋钮的外挡板提供用于设置恒温器和定时器的标记。
    • 72. 发明授权
    • Undersea hydraulic coupling and metal seal
    • 海底液压联轴器和金属密封
    • US4694859A
    • 1987-09-22
    • US801477
    • 1985-11-25
    • Robert E. Smith, III
    • Robert E. Smith, III
    • E21B33/038F16L29/04F16L37/30F16L39/00F16L29/00
    • F16L1/26E21B33/038F16L29/04F16L37/30F16L39/00Y10S285/917Y10T137/87957
    • A coupling and metal seal are disclosed, primarily for use in undersea hydraulic applications. The female member of the coupling is of three-piece construction. The main body portion accepts a cylindrical retainer which is held captive within the body by means of a spring clip or snap ring. The metal seal is generally ring-shaped and is positioned within the body and held captive by the retainer and clip. The male member, or probe, of the coupling fits within the retainer and body and protrudes through the ring of the metal seal. The seal engages the circumference of the probe and, when the coupling is pressurized, the seal is urged against the probe circumference and against the interior wall of the body, effectuating a fluid seal within the coupling. The metal seal is not irrevocably deformed in use and may be used repeatedly.
    • 公开了一种耦合和金属密封,主要用于海底液压应用中。 联轴器的阴构件为三件式结构。 主体部分接受通过弹簧夹或卡环保持在主体内的圆柱形保持器。 金属密封件通常是环形的,并且定位在主体内并由保持器和夹子夹住。 联接器的凸形构件或探头适配在保持器和主体内并且突出穿过金属密封件的环。 密封件接合探针的周边,并且当联接器被加压时,密封件被推靠在探针周边并抵靠身体的内壁,从而在联接器内实现流体密封。 金属密封件在使用中不会不可逆转地变形,可以重复使用。
    • 79. 发明授权
    • Chemical application apparatus for sprinkler systems
    • 喷淋系统化学应用设备
    • US08746593B2
    • 2014-06-10
    • US11424773
    • 2006-06-16
    • Robert E. Smith, III
    • Robert E. Smith, III
    • B05B7/26
    • B05B7/32A01C23/042
    • A liquid chemical dispenser for an irrigation system comprises a removable supply container for the chemical which, in a first embodiment, comprises a valve for preventing spillage of the chemical during attachment of the container to the dispenser. This feature allows the container to be mounted in an inverted position on the dispenser without loss of its contents. In a second embodiment, the chemical container comprises a membrane which is pierced by a dip tube when the container is attached to the dispenser. A section of the dip tube produces an annular vent passage in the membrane around the dip tube to provide vacuum relief. The configuration of the containers substantially reduces the chance of inadvertent contact with the contents and the simple design permits the containers to be disposable.
    • 用于灌溉系统的液体化学分配器包括用于化学品的可移除供应容器,其在第一实施例中包括用于防止在将容器附接到分配器期间溢出化学品的阀。 该特征允许容器以分配器的倒置位置安装,而不会损失其内容物。 在第二实施例中,化学容器包括当容器附接到分配器时由浸渍管刺穿的膜。 汲取管的一部分在汲取管周围的膜中产生环形排气通道,以提供真空释放。 容器的结构基本上减少了与内容物意外接触的机会,并且简单的设计允许容器是一次性的。
    • 80. 发明授权
    • Method for autonomous control of a chemical injection systems for oil and gas wells
    • 油气井化学注入系统自主控制方法
    • US08555914B2
    • 2013-10-15
    • US13732999
    • 2013-01-02
    • Robert E. Smith, IVMaurice SlotRichard R. Watson
    • Robert E. Smith, IVMaurice SlotRichard R. Watson
    • F16K31/12
    • E21B37/06E21B34/16E21B41/02G05B15/02G05D7/0635Y10T137/0368Y10T137/0379Y10T137/7759Y10T137/776Y10T137/7761
    • A control program for a positive displacement metering system measures the time required for the travel of a free piston in a cylinder of known volume to determine an average flow rate during a full stroke of the piston. The system may also measure and record the inlet and outlet pressures or the differential pressure between the fluid inlet and outlet. The control program positions a four-way valve which may function as an adjustable metering orifice in response to the measured average flow rate and/or changes in the inlet and outlet pressures to achieve the desired flow rate. At the end of each stroke, the four-way valve is repositioned to reverse fluid flow through the metering cylinder. The system may revise the valve position settings for both forward and reverse strokes based on the measured time required for a full stroke at a certain valve position. In this way, the system automatically and iteratively compensates for changes in fluid properties and fluid pressure. A cleaning cycle which progressively opens the valve stepwise and may culminate in full open valve travel in both fluid flow directions is provided in the event of an obstruction of the valve orifice.
    • 用于正位移计量系统的控制程序测量已知体积的气缸中的自由活塞行进所需的时间,以确定活塞全行程期间的平均流量。 系统还可以测量和记录入口和出口压力或流体入口和出口之间的压差。 控制程序根据所测量的平均流量和/或入口压力和出口压力的变化来定位四通阀,该四通阀可用作可调整计量孔,以实现所需的流量。 在每个行程结束时,四通阀重新定位,以逆流通过计量气缸的流体流动。 系统可以根据在特定阀位上的全行程所需的测量时间来修正前进和后退行程的阀位置设置。 以这种方式,系统自动和迭代地补偿流体性质和流体压力的变化。 在阀孔堵塞的情况下,提供逐步逐渐打开阀的清洁循环,并且可以在两个流体流动方向上最终完全打开气门行程。