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Class Information
Number: 137/831
Name: Fluid handling > Flow affected by fluid contact, energy field or coanda effect (e.g., pure fluid device or system) > Means to regulate or vary operation of device > By movable element > Electrically-actuated element (e.g., electro-mechanical transducer)
Description: Device wherein the movement of the member is caused by electrical energy.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8550298 Microfluidic dispensing assembly Oct. 8, 2013
8528602 Microvalve system Sep. 10, 2013
8459202 Substrate processing apparatus Jun. 11, 2013
8413953 Polymer actuator, and valve and shaft-sealing structure each using the same Apr. 9, 2013
8343421 Method and system for enhanced high intensity acoustic waves application Jan. 1, 2013
8240336 Phase-change valve apparatuses Aug. 14, 2012
8127794 Dispenser arrangement for fluidic dispensing control in microfluidic system Mar. 6, 2012
8100670 Liquid propulsion device incorporating a pyrotechnic gas generator in the structure thereof Jan. 24, 2012
8100672 Autonomous electrochemical actuation of microfluidic circuits Jan. 24, 2012
8096322 Microfluidic device with variable volume material Jan. 17, 2012
8051878 Magnetic valves for performing multi-dimensional assays using one microfluidic chip Nov. 8, 2011
8020586 One-step flow control for crossing channels Sep. 20, 2011
8011388 Thermally actuated microvalve with multiple fluid ports Sep. 6, 2011
7992591 Magnetically actuated microfluidic mixers Aug. 9, 2011
7946308 Methods of packaging valve chips and related valve assemblies May. 24, 2011
7694694 Phase-change valve apparatuses Apr. 13, 2010
7591636 Negative pressure supply apparatus Sep. 22, 2009
7537028 Device for fluid processor and its fluid flow path setting device, fluid processor, and fluid processing method May. 26, 2009
7537182 Simultaneous multiple-location separation control May. 26, 2009
7448412 Microvalve assemblies and related structures and related methods Nov. 11, 2008
7367359 Proportional micromechanical valve May. 6, 2008
7204581 Magnetic actuator using ferrofluid slug Apr. 17, 2007
7096888 Fluidic pulse generator system Aug. 29, 2006
7093617 Fluidic diverter valve with a non-spherical shuttle element Aug. 22, 2006
7080664 Fluid amplifier with media isolation control valve Jul. 25, 2006
7069943 Microfluidic system including a bubble valve for regulating fluid flow through a microchannel Jul. 4, 2006
7000638 Diverter valve with multiple valve seat rings Feb. 21, 2006
7000639 Air-distribution device based on the Coanda effect with means for imparting a circulatory motion on the flow of air not properly oriented Feb. 21, 2006
7000640 Air-distribution device based on the coanda effect Feb. 21, 2006
6941967 Air-distribution system Sep. 13, 2005
6926036 Fluidic diverter valve with a non-spherical shuttle element Aug. 9, 2005
6877528 Microfluidic system including a bubble valve for regulating fluid flow through a microchannel Apr. 12, 2005
6843263 Partially closed microfluidic system and microfluidic driving method Jan. 18, 2005
6792976 Fluid distribution device having improved deviating means Sep. 21, 2004
6561224 Microfluidic valve and system therefor May. 13, 2003
6347645 Fluid dynamic diverter valve for an appliance Feb. 19, 2002
6142444 Piezoelectrically actuated microvalve Nov. 7, 2000
6131879 Piezoelectrically actuated microvalve Oct. 17, 2000
5983944 Apparatus for active fluid control Nov. 16, 1999
5931178 High-speed water jet blocker Aug. 3, 1999
5927335 Spherical chamber fluidic ball diverter valve Jul. 27, 1999
5927320 High-speed water jet blocker Jul. 27, 1999
5785815 Process for damping pressure pulsations and apparatus for performing the process Jul. 28, 1998
5588466 Magnetostrictive transducer Dec. 31, 1996
5362027 Flow regulating valve for magnetic particles Nov. 8, 1994
5271431 Microvalve Dec. 21, 1993
5117794 Fuel injection system Jun. 2, 1992
5067509 Gas jet actuator using coanda effect Nov. 26, 1991
5040560 Method and apparatus for controlled modification of fluid flow Aug. 20, 1991
4924912 Electrofluidic pin transducer with stable null setting May. 15, 1990

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