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    • 83. 发明授权
    • Gaming apparatus
    • 游戏机
    • US4391442A
    • 1983-07-05
    • US345024
    • 1982-02-02
    • David Levy
    • David Levy
    • A63F5/04A63F7/06A63F9/00A63F9/04A63F11/00
    • A63F5/00A63F9/0079A63F2009/009
    • A gaming apparatus in which a roulette wheel has a circular rim and a downwardly converging frustoconical bowl contained within the rim and joined thereto forming a track therewith for a roulette ball and a rotatable wheel head centered within the bowl at the bottom thereof and formed with a plurality of numbered compartments for receiving the roulette ball. An automatic roulette ball spinner has a pair of guide tubes directed oppositely to one another and positioned along the rim for directing the ball tangentially onto the track. The guide tubes have a roulette ball magazine communicating therewith including respective powered plungers for propelling the ball through the guide tubes. The powered plungers are randomly activated and, in addition, the propelling force of the powered plungers is randomly adjusted. The plungers are actuated either electromagnetically or pneumatically. Each guide tube communicates with the track by way of a respective bore formed in the rim with the outlet of each bore blocked by a pivoted arcuate flap biased into a closed position and displaceable into an open position by the ball propelled through the bore.
    • 一种游戏装置,其中轮盘车轮具有圆形边缘和向下收敛的截头圆锥形碗,其包含在轮辋内并连接到其上,形成用于轮盘的轨道以及位于其底部的碗中心的可旋转轮头,并形成有 多个编号的舱室用于接收轮盘赌。 自动轮盘滚球旋转器具有一对引导管,其彼此相对地引导并且沿着边缘定位,以将切线导向轨道。 引导管具有与之连通的轮盘游戏机,包括用于将球推过导管的各自的动力式活塞。 动力式活塞杆随机启动,此外,动力柱塞的推进力随机调整。 柱塞以电磁或气动方式启动。 每个引导管通过形成在边缘中的相应孔与轨道连通,每个孔的出口被偏置到关闭位置的枢转的弓形挡片阻挡,并且可以通过穿过该孔推进的球而移动到打开位置。
    • 85. 发明授权
    • System and method for testing fluid seals for leaks
    • 用于测试流体密封件用于泄漏的系统和方法
    • US09031789B2
    • 2015-05-12
    • US13315118
    • 2011-12-08
    • David Levy
    • David Levy
    • G01M3/28E21B47/117E21B33/06
    • G01M3/2846G01M3/2853
    • A system and method for testing a fluid seal in a device can include pumping fluid to the device and a control device simultaneously, while measuring the pressure of the fluid pumping to both devices. A change in volume of the fluid in the control device can be initiated, a change in pressure difference associated with the change in volume can be determined, and a leak test ratio can be formed therefrom. Changes in the pressure difference can be used to determine the presence of fluid leaks, which can be presented as test results to users connected to a network. A leak volume can be determined using the change in pressure difference and the leak test ratio.
    • 用于测试装置中的流体密封件的系统和方法可以包括在测量流体泵送到两个装置的压力的同时将流体泵送到装置和控制装置。 可以开始控制装置中的流体的变化,可以确定与体积变化相关联的压力差的变化,并且可以由此形成泄漏测试比。 可以使用压力差的变化来确定流体泄漏的存在,这可以作为连接到网络的用户的测试结果呈现。 可以使用压力差和泄漏测试比的变化来确定泄漏量。
    • 87. 发明授权
    • Testing system for connectors
    • 连接器测试系统
    • US08650934B1
    • 2014-02-18
    • US12700390
    • 2010-02-04
    • David Levy
    • David Levy
    • G01M3/28
    • E21B17/02F16L19/065G01M3/2853
    • A testing system for connectors usable with oil or natural gas wells using a test part connector and a control component connector. The system uses a test fluid in a test reservoir that is pumped to each connector simultaneously and using a test part pressure transducer and a control component pressure transducer to create a test response and a control response. The responses are then transmitted to a processor, which then compares the responses and presents compared results on a display, through a network and transmitted to a client device of a user.
    • 使用测试部件连接器和控制部件连接器的可用于油或天然气井的连接器的测试系统。 系统使用测试容器中的测试流体,同时泵送到每个连接器,并使用测试部件压力传感器和控制组件压力传感器来创建测试响应和控制响应。 然后将响应发送到处理器,处理器然后比较响应,并通过网络在显示器上显示比较结果,并将其发送到用户的客户端设备。
    • 89. 发明授权
    • Method to determine connector leaks during testing
    • 在测试期间确定连接器泄漏的方法
    • US08078412B2
    • 2011-12-13
    • US12432673
    • 2009-04-29
    • David Levy
    • David Levy
    • G06F17/00
    • G01M3/28
    • A method for evaluating the leak tightness of a connector, or multiple connectors. The method uses an administrative server having a library of pressure and temperature information on various connectors, as well as the ability to report pressure and temperature data to a network as uncorrected and corrected responses. The method uses a data logger for recording pressure and temperature readings and also reporting corrected and uncorrected responses using one or more equations to shorten the test time by at least 50 percent or to about 5 minutes or less. The method uses a test pump for applying pressure to a connector to generate a corrected pressure which indicates leaks when the corrected pressure changes.
    • 一种用于评估连接器或多个连接器的泄漏密封性的方法。 该方法使用具有各种连接器上的压力和温度信息库的管理服务器,以及将压力和温度数据报告给网络作为未校正和校正的响应的能力。 该方法使用数据记录器记录压力和温度读数,并且还使用一个或多个方程来报告校正和未校正的响应,以将测试时间缩短至少50%或约5分钟或更短。 该方法使用测试泵向连接器施加压力,以产生校正的压力,其在校正的压力变化时指示泄漏。