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公开(公告)号:US20060285983A1
公开(公告)日:2006-12-21
申请号:US11362411
申请日:2006-02-23
申请人: Bernard Bunner , Manish Deshpande , Sebastian Bohm , Richard Day , John Gilbert
发明人: Bernard Bunner , Manish Deshpande , Sebastian Bohm , Richard Day , John Gilbert
IPC分类号: F04B17/00
CPC分类号: F04B43/025 , F04B43/04 , F04B43/043 , Y10S977/963
摘要: An electromagnetic micropump for pumping small volumes of liquids and gases comprises a magnetic actuator assembly, a flexible membrane and a housing defining a chamber and a plurality of valves. The magnetic actuator assembly comprises a coil and a permanent magnet for deflecting the membrane to effect pumping of the fluid. A plurality of micropumps may be stacked together to increase pumping capacity.
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公开(公告)号:US20070044851A1
公开(公告)日:2007-03-01
申请号:US11591213
申请日:2006-11-01
申请人: John Gilbert , Bernard Bunner , Sebastian Bohm , Manish Deshpande
发明人: John Gilbert , Bernard Bunner , Sebastian Bohm , Manish Deshpande
IPC分类号: F16K27/00
CPC分类号: F16K99/0001 , F15C5/00 , F16K99/0005 , F16K99/0007 , F16K99/0009 , F16K99/0015 , F16K99/0046 , F16K99/0048 , F16K2099/0069 , F16K2099/0071 , F16K2099/0074 , F16K2099/0076 , F16K2099/008 , F16K2099/0084 , G05D7/0694 , Y10T29/49412 , Y10T137/87314
摘要: A latching microregulator for regulating liquid flow on micro-scale levels comprises a substrate having an inlet port and an outlet port, a valve element defining a valve chamber for opening and closing the inlet port, and an actuator assembly for actuating the valve element. The valve chamber is configured to contain a volume of fluid, and the inlet port and the outlet port are in fluid communication with the valve chamber to provide a liquid flow path through the chamber. The actuator assembly comprises a cantilever beam for moving the valve element between an open position and a closed position, an actuator, such as a piezoelectric element, for moving the cantilever beam, and a latch, such as a permanent magnet, for securing the cantilever beam in the closed position. A flow regulation system comprises a plurality of fluid channels of varied flow conductance and a plurality of latching microregulators for selectively blocking or allowing flow through each of the fluid channels.
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公开(公告)号:US20080086885A1
公开(公告)日:2008-04-17
申请号:US11973266
申请日:2007-10-05
申请人: John Gilbert , Bernard Bunner , Sebastian Bohm , Manish Deshpande
发明人: John Gilbert , Bernard Bunner , Sebastian Bohm , Manish Deshpande
IPC分类号: B21K1/20
CPC分类号: F16K99/0001 , F15C5/00 , F16K99/0005 , F16K99/0007 , F16K99/0009 , F16K99/0015 , F16K99/0046 , F16K99/0048 , F16K2099/0069 , F16K2099/0071 , F16K2099/0074 , F16K2099/0076 , F16K2099/008 , F16K2099/0084 , G05D7/0694 , Y10T29/49412 , Y10T137/87314
摘要: A latching microregulator for regulating liquid flow on micro-scale levels comprises a substrate having an inlet port and an outlet port, a valve element defining a valve chamber for opening and closing the inlet port, and an actuator assembly for actuating the valve element. The valve chamber is configured to contain a volume of fluid, and the inlet port and the outlet port are in fluid communication with the valve chamber to provide a liquid flow path through the chamber. The actuator assembly comprises a cantilever beam for moving the valve element between an open position and a closed position, an actuator, such as a piezoelectric element, for moving the cantilever beam, and a latch, such as a permanent magnet, for securing the cantilever beam in the closed position. A flow regulation system comprises a plurality of fluid channels of varied flow conductance and a plurality of latching microregulators for selectively blocking or allowing flow through each of the fluid channels.
摘要翻译: 用于调节微量级液体流动的闭锁微调节器包括具有入口端口和出口端口的基板,限定用于打开和关闭入口端口的阀室的阀元件以及用于致动阀元件的致动器组件。 阀室被构造成容纳一定体积的流体,并且入口端口和出口端口与阀室流体连通以提供通过该腔室的液体流动路径。 致动器组件包括用于在打开位置和关闭位置之间移动阀元件的悬臂梁,用于移动悬臂梁的致动器(例如压电元件)以及用于固定悬臂的闩锁(例如永磁体) 梁处于关闭位置。 流量调节系统包括多个不同流量的流体通道和多个用于选择性地阻塞或允许流过每个流体通道的闭锁微调节器。
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公开(公告)号:US20050166975A1
公开(公告)日:2005-08-04
申请号:US11099014
申请日:2005-04-04
申请人: John Gilbert , Bernard Bunner , Sebastian Bohm , Manish Deshpande
发明人: John Gilbert , Bernard Bunner , Sebastian Bohm , Manish Deshpande
CPC分类号: F16K99/0001 , F15C5/00 , F16K99/0005 , F16K99/0007 , F16K99/0009 , F16K99/0015 , F16K99/0046 , F16K99/0048 , F16K2099/0069 , F16K2099/0071 , F16K2099/0074 , F16K2099/0076 , F16K2099/008 , F16K2099/0084 , G05D7/0694 , Y10T29/49412 , Y10T137/87314
摘要: A latching microregulator for regulating liquid flow on micro-scale levels comprises a substrate having an inlet port and an outlet port, a valve element defining a valve chamber for opening and closing the inlet port, and an actuator assembly for actuating the valve element. The valve chamber is configured to contain a volume of fluid, and the inlet port and the outlet port are in fluid communication with the valve chamber to provide a liquid flow path through the chamber. The actuator assembly comprises a cantilever beam for moving the valve element between an open position and a closed position, an actuator, such as a piezoelectric element, for moving the cantilever beam, and a latch, such as a permanent magnet, for securing the cantilever beam in the closed position. A flow regulation system comprises a plurality of fluid channels of varied flow conductance and a plurality of latching microregulators for selectively blocking or allowing flow through each of the fluid channels.
摘要翻译: 用于调节微量级液体流动的闭锁微调节器包括具有入口端口和出口端口的基板,限定用于打开和关闭入口端口的阀室的阀元件以及用于致动阀元件的致动器组件。 阀室被构造成容纳一定体积的流体,并且入口端口和出口端口与阀室流体连通以提供通过该腔室的液体流动路径。 致动器组件包括用于在打开位置和关闭位置之间移动阀元件的悬臂梁,用于移动悬臂梁的致动器(例如压电元件)以及用于固定悬臂的闩锁(例如永磁体) 梁处于关闭位置。 流量调节系统包括多个不同流量的流体通道和多个用于选择性地阻塞或允许流过每个流体通道的闭锁微调节器。
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公开(公告)号:US07033148B2
公开(公告)日:2006-04-25
申请号:US10329013
申请日:2002-12-23
IPC分类号: F04B17/00
CPC分类号: F04B43/025 , F04B43/04 , F04B43/043 , Y10S977/963
摘要: An electromagnetic micropump for pumping small volumes of liquids and gases comprises a magnetic actuator assembly, a flexible membrane and a housing defining a chamber and a plurality of valves. The magnetic actuator assembly comprises a coil and a permanent magnet for deflecting the membrane to effect pumping of the fluid. A plurality of micropumps may be stacked together to increase pumping capacity.
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公开(公告)号:US20050123450A1
公开(公告)日:2005-06-09
申请号:US10979848
申请日:2004-11-01
申请人: John Gilbert , Manish Deshpande , Bernard Bunner
发明人: John Gilbert , Manish Deshpande , Bernard Bunner
CPC分类号: B65G51/08 , B01F13/0062 , B01F13/0064 , B01J2219/00822 , B01J2219/00831 , B01J2219/00833 , B01J2219/0086 , B01J2219/00891 , B01L3/502776 , B01L2200/0636 , B01L2200/0673 , B01L2300/0816 , B01L2300/0864 , B01L2300/0887 , B01L2400/0487 , B65G51/00 , G01N15/1404 , G01N15/1484 , G01N2015/1409
摘要: A microfabricated sheath flow structure for producing a sheath flow includes a primary sheath flow channel for conveying a sheath fluid, a sample inlet for injecting a sample into the sheath fluid in the primary sheath flow channel, a primary focusing region for focusing the sample within the sheath fluid and a secondary focusing region for providing additional focusing of the sample within the sheath fluid. The secondary focusing region may be formed by a flow channel intersecting the primary sheath flow channel to inject additional sheath fluid into the primary sheath flow channel from a selected direction. A sheath flow system may comprise a plurality of sheath flow structures operating in parallel on a microfluidic chip.
摘要翻译: 用于产生鞘流的微细鞘层流动结构包括用于输送护套流体的初级鞘流动通道,用于将样品注入主鞘流道中的鞘液中的样品入口,用于将样品聚焦在 护套流体和辅助聚焦区域,用于提供样品在护套液体内的附加聚焦。 次要聚焦区域可以由与主鞘流道相交的流动通道形成,以从选定的方向将另外的鞘流体注入主鞘流动通道。 护套流动系统可以包括在微流体芯片上并行操作的多个护套流动结构。
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公开(公告)号:US20080087584A1
公开(公告)日:2008-04-17
申请号:US11800469
申请日:2007-05-04
申请人: Andrew Johnson , John Gilbert , Manish Deshpande , Hugh Lewis , Bernard Bunner
发明人: Andrew Johnson , John Gilbert , Manish Deshpande , Hugh Lewis , Bernard Bunner
IPC分类号: B07C5/36
CPC分类号: B07C5/34 , B01L3/502761 , B01L2200/0647 , B01L2300/0816 , B01L2300/0864 , B01L2400/0439 , B01L2400/0487 , C12M47/04
摘要: An improved actuator for use in a microfluidic particle sorting system utilizes a staggered packing scheme for a plurality of actuators used to selectively deflect a particle in an associated sorting channel from a stream of channels. An actuator block may be provided for housing a two-dimensional array of actuators, each configured to align with an actuation port in an associated sorting chip containing a plurality of sorting channels. The actuator block may include a built-in stressing means to pre-stress each actuator housed by the block. An actuator comprising a piezo-electric stack may employ contact-based electrical connection rather than soldered wires to improve packing density. The actuator may be an external actuator. That is, the external actuator is external to the substrate in which the sorting channels are formed.
摘要翻译: 用于微流体粒子分选系统的改进的致动器利用交错填充方案用于多个致动器,用于选择性地偏转相关分拣通道中的粒子与通道流。 可以提供致动器块,用于容纳致动器的二维阵列,每个致动器阵列被配置为与包含多个分选通道的相关分选芯片中的致动端口对齐。 致动器块可以包括内置的应力装置,用于预加载由该块所容纳的每个致动器。 包括压电叠层的致动器可以使用基于接触的电连接而不是焊接线来改善堆积密度。 致动器可以是外部致动器。 也就是说,外部致动器在其中形成分拣通道的基板的外部。
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公开(公告)号:US20070065808A1
公开(公告)日:2007-03-22
申请号:US11603444
申请日:2006-11-22
申请人: Sebastian Bohm , John Gilbert , Manish Deshpande
发明人: Sebastian Bohm , John Gilbert , Manish Deshpande
CPC分类号: G01N15/1459 , B01L3/502761 , B01L3/502776 , B01L2200/0636 , B01L2200/0647 , B01L2300/0816 , B01L2300/0864 , B01L2400/0487 , G01N2015/149
摘要: A method and apparatus for sorting particles moving through a closed channel system of capillary size comprises a bubble valve for selectively generating a pressure pulse to separate a particle having a predetermined characteristic from a stream of particles. The particle sorting system may further include a buffer for absorbing the pressure pulse. The particle sorting system may include a plurality of closely coupled sorting modules which are combined to further increase the sorting rate. The particle sorting system may comprise a multi-stage sorting device for serially sorting streams of particles, in order to decrease the error rate.
摘要翻译: 用于分选移动通过毛细管尺寸的封闭通道系统的颗粒的方法和装置包括气泡阀,用于选择性地产生压力脉冲以将具有预定特征的颗粒与颗粒流分离。 颗粒分选系统还可以包括用于吸收压力脉冲的缓冲器。 颗粒分选系统可以包括多个紧密耦合的分类模块,其被组合以进一步提高排序率。 颗粒分选系统可以包括用于串行排列颗粒流的多级分选装置,以便降低误差率。
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公开(公告)号:US20060278288A1
公开(公告)日:2006-12-14
申请号:US11433781
申请日:2006-05-12
申请人: John Gilbert , Sebastian Bohm , Manish Deshpande
发明人: John Gilbert , Sebastian Bohm , Manish Deshpande
IPC分类号: F15C1/04
CPC分类号: B01L3/502738 , B01L3/502761 , B01L3/502776 , B01L2200/0636 , B01L2200/0647 , B01L2300/0816 , B01L2300/0864 , B01L2300/089 , B01L2400/0415 , B01L2400/06 , B01L2400/0688 , B01L2400/082 , B07C5/34 , F16K99/0001 , F16K99/0017 , F16K99/0019 , F16K99/0034 , F16K99/0036 , F16K99/004 , F16K99/0046 , F16K99/0048 , F16K2099/0074 , F16K2099/008 , F16K2099/0084 , G01N2015/149 , Y10T29/49405 , Y10T137/0318 , Y10T137/0396 , Y10T137/0497 , Y10T137/2076 , Y10T137/2082 , Y10T137/2191 , Y10T137/2196 , Y10T137/2202 , Y10T137/2207 , Y10T137/2213 , Y10T137/2224 , Y10T436/143333 , Y10T436/25375
摘要: A microfluidic system includes a bubble valve for regulating fluid flow through a microchannel. The bubble valve includes a fluid meniscus interfacing the microchannel interior and an actuator for deflecting the membrane into the microchannel interior to regulate fluid flow. The actuator generates a gas bubble in a liquid in the microchannel when a sufficient pressure is generated on the membrane.
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10.
公开(公告)号:US20050109410A1
公开(公告)日:2005-05-26
申请号:US11021251
申请日:2004-12-21
申请人: John Gilbert , Sebastian Bohm , Manish Deshpande
发明人: John Gilbert , Sebastian Bohm , Manish Deshpande
CPC分类号: B01L3/502738 , B01L3/502761 , B01L3/502776 , B01L2200/0636 , B01L2200/0647 , B01L2300/0816 , B01L2300/0864 , B01L2300/089 , B01L2400/0415 , B01L2400/06 , B01L2400/0688 , B01L2400/082 , B07C5/34 , F16K99/0001 , F16K99/0017 , F16K99/0019 , F16K99/0034 , F16K99/0036 , F16K99/004 , F16K99/0046 , F16K99/0048 , F16K2099/0074 , F16K2099/008 , F16K2099/0084 , G01N2015/149 , Y10T29/49405 , Y10T137/0318 , Y10T137/0396 , Y10T137/0497 , Y10T137/2076 , Y10T137/2082 , Y10T137/2191 , Y10T137/2196 , Y10T137/2202 , Y10T137/2207 , Y10T137/2213 , Y10T137/2224 , Y10T436/143333 , Y10T436/25375
摘要: A microfluidic system includes a bubble valve for regulating fluid flow through a microchannel. The bubble valve includes a fluid meniscus interfacing the microchannel interior and an actuator for deflecting the membrane into the microchannel interior to regulate fluid flow. The actuator generates a gas bubble in a liquid in the microchannel when a sufficient pressure is generated on the membrane.
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