公开(公告)号：US20050092484A1

公开(公告)日：2005-05-05

申请号：US10700701

申请日：2003-11-04

申请人： Robert Evans

发明人： Robert Evans

IPC分类号： E21B31/107 ,  E21B31/113 ,  E21B23/00

CPC分类号： E21B31/107 ,  E21B31/1135

摘要： A downhole tool is provided with a pressure-balancing piston disposed within an interior cylindrical bore to have exposure to fluid pressure within an internal fluid chamber on one side and exposure to hydrostatic pressure on the other side. The piston is movable in response to increasing hydrostatic pressure and causes an increase in fluid pressure within the internal fluid chamber in equalization of the internal fluid pressure to hydrostatic pressure. A mandrel telescopically positioned within the housing forms internal spaces defining an internal fluid chamber exterior to the mandrel and having an interior fluid chamber with fluid ports placing the interior fluid chamber and the fluid chamber exterior to the mandrel in communication. The mandrel has a first pressure area A1 in communication with the interior fluid chamber and a second pressure area A2 of substantially equal area to the first pressure area A1, whereby invasive gas pressure acting on the first and second pressure areas balance the mandrel.

摘要翻译： 井下工具设置有设置在内部圆柱形孔内的压力平衡活塞，以暴露在一侧的内部流体室内的流体压力，并暴露于另一侧的静水压力。 活塞可以响应于增加的静水压力而移动，并且使内部流体室内的流体压力增加，使内部流体压力平衡到静水压力。 可伸缩地定位在壳体内的心轴形成限定心轴外部的内部流体室的内部空间，并且具有内部流体室，其具有将内部流体室和流体室放置在心轴外部连通的流体端口。 心轴具有与内部流体室连通的第一压力区域A 1和与第一压力区域A 1基本相等的面积的第二压力区域A 2，由此作用在第一和第二压力区域上的侵入气体压力平衡心轴 。

公开(公告)号：US06845562B2

公开(公告)日：2005-01-25

申请号：US10300129

申请日：2002-11-19

申请人： Robert Evans

发明人： Robert Evans

IPC分类号： B67B7/46 ,  B67B7/70 ,  B67B7/72

CPC分类号： B67B7/34 ,  B67B7/36

摘要： A can opener for opening cans of various sizes having an operating handle, which when rotated in a first direction functions to bring a sharpened cutting wheel of the can opener from an elevated position into piercing engagement with the top of the can with the butting wheel n piercing engagement with the top of the can, continued rotation of the handle will cause rotation of the can and will cause the cutter wheel to cleanly cut the top of the can so that the top can be easily removed. Reverse rotation of the handle will cause the cutting wheel to disengage from the top of the can and to return to its elevated, starting position.

摘要翻译： 一种用于打开具有操作手柄的各种尺寸的罐的开罐器，当操作手柄在第一方向旋转时，该罐可以将罐头开启器的切割轮从升高位置引导到与罐头的顶部与对接轮n刺穿接合 与罐顶部刺穿接合，手柄的持续旋转将引起罐的旋转，并且将导致切割轮干净地切割罐的顶部，使得顶部可以容易地移除。 手柄的反向旋转将导致切割轮与罐的顶部脱离并返回到升高的起始位置。

公开(公告)号：US06452980B1

公开(公告)日：2002-09-17

申请号：US09480776

申请日：2000-01-10

申请人： Peter Zalud ,  Jonathan Schepps ,  Robert Evans ,  Min-Long Lin

发明人： Peter Zalud ,  Jonathan Schepps ,  Robert Evans ,  Min-Long Lin

IPC分类号： H04B1500

CPC分类号： G07C9/00111 ,  H03M5/12

摘要： An apparatus is described for reducing coherent signal interference between at least two bit streams framed with a common clock signal. The apparatus includes an internal clock signal generated from the common clock signal and a Manchester encoder for encoding the internal clock signal with a unique signature. Also included is a logic AND-gate for combining one bit stream of the two bit streams with the encoded clock signal to produce an encoded output signal. When the encoded output signal is combined with another of the two bit streams during transmission, individual bits of the combined bit streams are identifiable at a receiving end. The receiving end decodes the combined bit streams and properly discriminates between ONEs and ZEROs.

摘要翻译： 描述了一种用于减少用公共时钟信号构成的至少两个比特流之间的相干信号干扰的装置。 该装置包括从公共时钟信号产生的内部时钟信号和曼彻斯特编码器，用于对具有唯一签名的内部时钟信号进行编码。 还包括用于将两个比特流的一个比特流与编码的时钟信号组合以产生编码的输出信号的逻辑与门。 当编码的输出信号在传输期间与两个比特流中的另一个组合时，组合的比特流的各个比特在接收端是可识别的。 接收端解码组合的比特流，并正确区分ONE和ZERO。

公开(公告)号：USD451416S1

公开(公告)日：2001-12-04

申请号：US29136556

申请日：2001-02-01

申请人： Robert Evans ,  Andre Cote

设计人： Robert Evans ,  Andre Cote

公开(公告)号：US5580790A

公开(公告)日：1996-12-03

申请号：US327349

申请日：1994-10-21

申请人： Robert Wall ,  George H. Sierra ,  Robert Evans ,  Sarah Bazydola ,  Alan Polito

发明人： Robert Wall ,  George H. Sierra ,  Robert Evans ,  Sarah Bazydola ,  Alan Polito

IPC分类号： B65D1/26 ,  B04B5/04 ,  B65D25/04 ,  G01N21/03 ,  G01N21/07 ,  G01N33/53 ,  G01N33/543 ,  G01N35/02

CPC分类号： B04B5/0421 ,  G01N21/07 ,  Y10T436/111666 ,  Y10T436/112499 ,  Y10T436/25375

摘要： Embodiments of the present invention feature a multilchambered cuvette having a first movement pattern and a second movement pattern, the first movement pattern comprises a stationary position and a rotation about a circular path. The second movement pattern comprises a rocking motion. The cuvette uses the first movement of fluid between chambers and a second movement pattern to effect mixing and incubation. The cuvette features a unitary housing having an opening over the first and second compartments to allow viewing and access.

摘要翻译： 本发明的实施例的特征在于具有第一运动模式和第二运动模式的多行比色皿，所述第一运动模式包括静止位置和围绕圆形路径的旋转。 第二运动模式包括摇摆运动。 比色皿使用腔室之间的流体的第一运动和第二运动模式来实现混合和孵育。 试管具有整体式壳体，其具有在第一和第二隔室上的开口，以允许观察和进入。

公开(公告)号：US5525202A

公开(公告)日：1996-06-11

申请号：US309014

申请日：1994-09-20

申请人： Robert Evans ,  Mark F. Shon ,  Virgil Wheeler ,  Nicolas Neckelmann

发明人： Robert Evans ,  Mark F. Shon ,  Virgil Wheeler ,  Nicolas Neckelmann

IPC分类号： G01N27/447 ,  G01N27/26

CPC分类号： G01N27/44704

摘要： A cassette for containing a gel slab used in an electrophoresis separation comprises a pair of spaced glass or like material plates having spacer strips interposed between marginal side edge areas of the plates to define a space for containing a gel slab between the plates. The spacer strips are made of a flexible double rolled smooth finished polymeric, preferably polyvinyl chloride material which when used for such purpose function to interface under pressing pressure imposed thereon to exclude atmospheric air at the interface so that once interfaced with the plates, atmospheric air pressure acting on the plates maintains a pressed sealed interface condition effective to prevent liquid flow from a liquid-containing gel slab composition cast in the cassette sideways through the cassette during gelation of the composition. An assembly tool and method for effecting cassette assembly is provided.

摘要翻译： 用于容纳在电泳分离中使用的凝胶板的盒子包括一对隔开的玻璃或类似材料板，其具有插入在板的边缘侧边缘区域之间的间隔条，以限定在板之间容纳凝胶板的空间。 间隔条由柔性双辊光滑成品聚合物，优选聚氯乙烯材料制成，当用于此目的功能时，在施加在其上的挤压压力下界面以排除界面处的大气，使得一旦与板接触，大气压力 作用在板上的压力密封界面条件有效地防止液体在组合物凝胶化过程中通过盒侧向流入盒中的含液体凝胶板组合物流动。 提供了一种用于实现盒组件的装配工具和方法。

公开(公告)号：US4705630A

公开(公告)日：1987-11-10

申请号：US871530

申请日：1986-06-06

申请人： Alan J. Gordon ,  Donald G. Billington ,  Robert Evans ,  David J. Bowman

发明人： Alan J. Gordon ,  Donald G. Billington ,  Robert Evans ,  David J. Bowman

IPC分类号： G01N33/48 ,  B04B5/00 ,  G01N1/28 ,  B01D33/22

CPC分类号： G01N1/2813 ,  G01N2001/2846

摘要： Centrifugation apparatus characterized by a carrier including both a bucket to accommodate a sample chamber and means for supporting a specimen container adjacent to the sample chamber so that material in the specimen container can be pre-centrifuged and then transferred to the sample chamber for centrifugation therein, using automated transfer means. The apparatus may include a disaggregator cooperable with the specimen container to disperse the contents of the latter prior to pre-centrifugation. The transfer means may be a pipette with arrangements for both external and internal flushing and measured dilution of a transferred sample. There may also be means for supplying treatment fluid to a reservoir of the sample chamber.

摘要翻译： 该离心装置的特征在于包括容纳样品室的桶的载体和用于支撑与样品室相邻的样本容器的装置，使得样品容器中的材料可以被预先离心，然后转移到样品室以进行离心， 使用自动转移手段。 该装置可以包括与样品容器配合的分解器，以在预离心之前分散其中的内容物。 转移装置可以是移液管，其具有用于外部和内部冲洗和测量的转移样品的稀释的布置。 还可以存在用于将处理流体供应到样品室的储存器的装置。

公开(公告)号：US4604964A

公开(公告)日：1986-08-12

申请号：US701818

申请日：1985-02-19

申请人： Alan J. Gordon ,  David W. Sterritt ,  Robert Evans

发明人： Alan J. Gordon ,  David W. Sterritt ,  Robert Evans

IPC分类号： G01N1/30 ,  G01N1/31 ,  G01N1/36 ,  G01N33/48 ,  B05C3/02

CPC分类号： G01N1/31 ,  G01N1/36

摘要： A tissue processing apparatus comprises a processing chamber (1), a plurality of reagent containers (5), only one of which is illustrated, and a selector valve (2) for sequentially connecting the processing chamber (1) to each of the said reagent containers (5) to transfer fluid between the chamber and such a container. A vacuum/compression pump (6) and a changeover valve system connected to each of the reagent containers (5) and to the processing chamber (1) is operable to promote reagent flow in a required direction between a reagent container (5) and a processing chamber (1) while maintaining a closed circuit for reagent and gas displaced by the pump between the chamber and the container.

摘要翻译： 组织处理装置包括处理室（1），多个试剂容器（5），仅示出其中一个;以及选择阀（2），用于将处理室（1）顺序地连接到每个所述试剂 容器（5）在腔室和这种容器之间传送流体。 连接到每个试剂容器（5）和处理室（1）的真空/压缩泵（6）和切换阀系统可操作以促进试剂在试剂容器（5）和 处理室（1），同时保持由泵在容器和容器之间移动的试剂和气体的闭合回路。

公开(公告)号：US4587970A

公开(公告)日：1986-05-13

申请号：US693592

申请日：1985-01-22

申请人： Loraine K. Holley ,  Robert Evans

发明人： Loraine K. Holley ,  Robert Evans

IPC分类号： A61N1/362 ,  A61N1/372 ,  A61N1/365

CPC分类号： A61N1/3622

摘要： There is disclosed a tachycardia control pacer in which there is generated a sequence of pacing pulses at intervals which are a function of the effective refractory period intrinsically associated with the rate of the patient heartbeats. If the tachycardia episode is not terminated, another sequence of pulses is generated; however, the rate of the new sequence is decreased if at least one unevoked heartbeat was sensed during the preceding pacing pulse sequence and the rate is increased in the absence of any unevoked heartbeat having been sensed during the preceding pacing pulses sequence. Also, in order to smooth the transition between the fast pulses used to terminate the tachycardia episode and subsequent beating in sinus rhythm, pacing pulses continue to be generated at increasing pacing intervals until they merge into standby pacing.

摘要翻译： 公开了一种心动过速控制起搏器，其中间隔地产生起搏脉冲序列，其是与病人心跳速率固有相关的有效不应期的函数。 如果心动过速发作没有终止，则产生另一个脉冲序列; 然而，如果在先前的起搏脉冲序列期间感测到至少一个未发作的心跳，并且在前一步骤起搏脉冲序列期间没有感测到任何未发生心跳的情况下增加速率，则新序列的速率将降低。 此外，为了平滑用于终止心动过速的快速脉冲之间的过渡以及随后在窦性心律中的跳动，起搏脉冲将继续以增加的起搏间隔产生，直到它们并入待机起搏。