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    • 3. 发明授权
    • Check valve
    • US06651693B2
    • 2003-11-25
    • US10191099
    • 2002-07-09
    • John M. SimmonsTom M. SimmonsDavid M. Simmons
    • John M. SimmonsTom M. SimmonsDavid M. Simmons
    • F16K1504
    • F16K43/00F16K15/04F16K25/00Y10T137/6178Y10T137/7867
    • The check valve (12, 14) of the present invention is a ball-type valve that incorporates multiple annular valve seats (34, 38) of progressively smaller diameters for the specific purpose of providing a series of effective annular valve seats as the larger annular valve seats progressively deteriorate, and as the ball valve elements (24) wear away (decrease in diameter) from use, for example, as abrasive slurry is pumped through the check valves and through the fluid pump. Each of the annular valve seats (34, 38) comprises a flexible or otherwise deformable annular lip defined by a cylindrical section having an annular groove (36, 40) formed therein slightly outboard of the cylindrical section, such that the cylindrical section may deform slightly outwardly into the annular groove, thereby effecting an improved functional sealing engagement with the ball valve element (24) as the tip of the cylindrical section deforms outwardly into the annular groove. As abrasive slurry material is pumped through the fluid pump and through the check valve, the first annular valve seat (34) defined by the cylindrical section and first surrounding annular groove (36) deteriorates and the ball valve element wears away from the flow of abrasive slurry, causing the first annular valve seat to erode away and the ball valve element (24) to wear down (decrease in diameter). The first annular valve seat slowly deteriorates, and therefore increases in diameter, and the ball valve element slowly wears away, decreasing in diameter, to the point where they become no longer effective as a fluid seal. The worn ball valve element then engages a second annular valve seat (38), of the same configuration as the first annular valve seat (34), only necessarily of a smaller diameter than that of the first annular valve seat, and effects a seal therebetween. The combination of the increase in diameter of the first annular valve seat (34) and decrease in diameter in the ball valve element (24) permits the ball valve element to drop further toward the second annular valve seat (38), thereby causing the ball valve element to engage the second annular valve seat.
    • 4. 发明授权
    • Pneumatically shifted reciprocating pump
    • 气动往复泵
    • US5893707A
    • 1999-04-13
    • US810868
    • 1997-03-05
    • John M. SimmonsTom M. SimmonsDavid M. Simmons
    • John M. SimmonsTom M. SimmonsDavid M. Simmons
    • F04B9/135F04B43/113F04B17/00
    • F04B9/135F04B43/1136
    • A pneumatically actuated reciprocating fluid pump and spool valve combination is pneumatically shifted by pressurized air that exhausts from a respective pressurized bellows, diaphragm, or piston chamber, as the bellows, etc. nears the end of its pressure stroke (the exhaust stroke of the pumped fluid). This pressurized air exhausts from the bellows chamber via a shift piston and canister mechanism that seals on the face of the shift canister, rather than on its periphery. The pressurized air exhaust from the bellows chamber acts on the end of the valve spool element to shift the spool element to its opposite position, which reverses the application of pneumatic pressure and atmospheric exhaust between the two bellows chambers to actuate the reciprocating pump.
    • 气动往复流体泵和滑阀组合通过从相应的加压波纹管,隔膜或活塞室排出的加压空气气动地移动,因为波纹管等靠近其压力冲程的结束(泵送的排气冲程 流体)。 该加压空气通过移位活塞和罐机构从波纹管室排出,该移动活塞和罐机构在移位罐的表面而不是在其周边上密封。 来自波纹管室的加压空气排气作用在阀芯元件的端部上,以将阀芯元件移动到其相对位置,这反过来在两个波纹管室之间施加气动压力和大气排气以致动往复泵。
    • 5. 发明授权
    • Multilocation video conference terminal including video switching
contention control
    • 多位视频会议终端包括视频切换争用控制
    • US4531024A
    • 1985-07-23
    • US545206
    • 1983-10-25
    • John R. ColtonDominick ScordoDavid M. Simmons
    • John R. ColtonDominick ScordoDavid M. Simmons
    • H04M3/56H04N7/15H04Q11/04H04M11/00H04M7/14
    • H04N7/15H04M3/561H04M3/568H04Q11/04
    • In a multilocation video conference system, contention for the video to be transmitted to the locations is resolved by employing so-called talker and graphics contention resolution processes. Both the talker and graphics contention processes may be overridden by manual selection of the video to be viewed at each location. In the talker contention process, the video to be transmitted is not switched until one and only one talker location is detected during a predetermined talker timing interval. In the graphics contention process, all requests for graphics transmission are rejected until one and only one graphics transmission request is detected during a predetermined graphics request timing interval. Once transmission of graphics has been assigned to a location, all other locations in the conference are transmitted the graphics video information until the location displaying graphics releases from the graphics transmission mode or there is a manual override. The location transmitting graphics information is transmitted the video from the last of the other locations selected for talker video transmission.
    • 在多位置视频会议系统中,通过使用所谓的谈话者和图形争用解决过程来解决要发送到位置的视频的争用。 谈话者和图形争用过程都可以通过手动选择要在每个位置观看的视频来覆盖。 在讲话人争用处理中,要在被发送的视频不被切换,直到在预定的讲话者定时间隔内检测到一个且仅一个讲话者位置。 在图形争用过程中,对图形传输的所有请求都被拒绝,直到在预定图形请求定时间隔期间检测到仅一个图形传输请求。 一旦图形传输被分配到一个位置,会议中的所有其他位置被传送图形视频信息,直到从图形传输模式显示图形释放的位置或者手动覆盖。 发送图形信息的位置从被选择用于讲话者视频传输的其他位置的最后一个发送视频。
    • 9. 发明授权
    • Reciprocating pump, system or reciprocating pumps, and method of driving reciprocating pumps
    • 往复泵,系统或往复泵,以及驱动往复泵的方法
    • US07458309B2
    • 2008-12-02
    • US11437447
    • 2006-05-18
    • Tom M. SimmonsJohn M. SimmonsDavid M. Simmons
    • Tom M. SimmonsJohn M. SimmonsDavid M. Simmons
    • F04B43/073F04B43/067
    • F04B43/0736F04B43/067
    • Reciprocating pumps are disclosed. Particularly, reciprocating pumps including pressure chambers and fluid chambers defined by flexible members are disclosed. The volume of the pressure chambers and fluid chamber may be controlled using a piston driven by the flow of a control fluid to a pressure chamber and associated piston chamber. The flow of the control fluid may be directed to a first pressure chamber and associated piston chamber or a second pressure chamber and associated piston chamber. A pneumatically driven switch or an electrically driven switch may direct the flow of control fluid. The electrically driven switch may be controlled with a timer, a pressure sensor, or an optical sensor. The reciprocating pump requires minimal modification to permit the use of a pneumatic switch or electrical switch.
    • 公开了往复泵。 特别地,公开了包括由柔性构件限定的压力室和流体室的往复泵。 可以使用由控制流体的流动驱动到压力室和相关联的活塞室的活塞来控制压力室和流体室的体积。 控制流体的流动可以被引导到第一压力室和相关联的活塞室或第二压力室和相关联的活塞室。 气动驱动开关或电驱动开关可引导控制流体的流动。 电驱动开关可以用定时器,压力传感器或光学传感器来控制。 往复泵需要最小的修改才能使用气动开关或电气开关。
    • 10. 发明申请
    • Method and apparatus for end-to-end coupling of component bores
    • 组件孔端对端耦合的方法和装置
    • US20080048437A1
    • 2008-02-28
    • US11475790
    • 2006-06-27
    • Tom M. SimmonsJohn M. SimmonsDavid M. Simmons
    • Tom M. SimmonsJohn M. SimmonsDavid M. Simmons
    • F16L39/00
    • F16L41/08F16L39/00F16L47/28
    • A coupling assembly including a protruding annular nose portion having a longitudinal axis and a bore extending coaxially therethrough extending from a first component. The nose portion includes a frustoconical outer surface tapering radially inwardly toward the distal end thereof where the frustoconical outer surface meets the wall of the first component bore. A second component comprises a body carrying an annular skirt extending coaxially about a longitudinal axis and defining an entry bore, the annular skirt being separated from a surrounding, annular coupling bore wall of the second component by an annular recess therebetween. At the bottom of the annular recess may, optionally, be disposed a skirt compression adjustment ferrule, which may be integral with the body or formed as a separate component. A method of coupling component bores end-to-end is also disclosed.
    • 一种联接组件,包括具有纵向轴线的突出的环形鼻部和从第一部件延伸的同轴地延伸的孔。 鼻部包括截头圆锥形外表面,其朝向其远端径向向内渐缩,其中截头圆锥形外表面与第一部件孔的壁相接。 第二部件包括承载围绕纵向轴线同轴延伸并限定入口孔的环形裙部的主体,环形裙部通过其间的环形凹部与第二部件的周围的环形联接孔壁分离。 在环形凹部的底部可以可选地设置裙部压缩调节套圈,其可以与主体成一体或形成为单独的部件。 还公开了端部到端部耦合部件孔的方法。