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| Number | Title | Issue Date |
| 8096322 | Microfluidic device with variable volume material The invention relates to a microfluidic device comprising a first plate forming the substrate and including at least one perforation and, on either side of said first plate, at several locations, a material for defining passage portions consisting, in at least one o... | 01/17/2012 |
| 8051878 | Magnetic valves for performing multi-dimensional assays using one microfluidic chip An apparatus for performing multi-dimensional assays using a microfluidic chip is presented. The apparatus comprises of two crossing series of micro-channels on the microfluidic chip. The apparatus further comprises of a plurality of magnetic valves placed at the cr... | 11/08/2011 |
| 8020586 | One-step flow control for crossing channels In one embodiment of the present invention, an apparatus for one-step flow control at a micro-channel crossing comprises a first micro-channel and a second micro-channel, a plurality of magnetic valves, and a guiding magnet. The guiding magnet produces a proximal ma... | 09/20/2011 |
| 7992591 | Magnetically actuated microfluidic mixers In one embodiment as described in this section, an apparatus for mixing of microfluidic streams on a chip is presented, which comprises a micro-channel and a plurality of magnetic valves on the chip. A guiding magnet produces a proximal magnetic field gradient to ex... | 08/09/2011 |
| 7448412 | Microvalve assemblies and related structures and related methods A valve chip may include a substrate having first and second faces and openings between the first and second faces, and a plurality of flexible valve flaps on one of the faces of the substrate with each flexible valve flap being associated with at least one of the o... | 11/11/2008 |
| 7367359 | Proportional micromechanical valve The present invention provides a proportional microvalve having a first, second and third layer, and having high aspect ratio geometries. The first layer defines a cavity with inlet and outlet ports. The second layer, doped to have a low resistivity and bonded betwe... | 05/06/2008 |
| 7315109 | Actuators and fluid delivery systems using such actuators An actuator includes a non-magnetic, electroactive material that is suitable to impart force upon application of an electric current, a power supply to provide an electric current to the electroactive material and a controller in operative connection with the power ... | 01/01/2008 |
| 7285041 | Air passage switching device and vehicle air conditioner An air passage switching device includes a slide door slidable along first and second opening portions partitioned by a partition portion, a guide member for guiding the slide door, and a link mechanism for slidably moving the slide door along the guide member. The ... | 10/23/2007 |
| 7263456 | On circuit finalization of configuration data in a reconfigurable circuit Reconfigurable circuits with configuration data loaders are described herein. The configuration data loaders are adapted to enable on circuit finalization of configuration data provided in symbolic form, not fully resolved. ... | 08/28/2007 |
| 7258605 | Heating system for a vehicle A heating system for a vehicle has a heating air blower (24) for generating a heating air stream to be introduced into the interior space of a vehicle, a heater (22) with a heat exchanger arrangement (26) for heating the heating air stream being... | 08/21/2007 |
| 7250839 | Magnetostrictive thin film actuator Magnetostrictive actuator. The actuator includes a flexible substrate and a magnetostrictive film on the substrate. The shape of the flexible substrate is altered in the presence of a magnetic field. ... | 07/31/2007 |
| 7238102 | Heating, ventilation, and air conditioning system having a film valve and film for controlling air flow A HVAC system of a motor vehicle includes a film having openings defined therein and moveable between open and closed positions. The film regulates airflow by opening and closing apertures defined in a housing of the HVAC system. The film is disposed in a film valve... | 07/03/2007 |
| 7204581 | Magnetic actuator using ferrofluid slug A magnetostatic actuator uses a ferrofluid slug confined in a cylindrical tube which is wrapped in a conducting coil. By applying a current to the coil, a magnetic field is generated inside the coil. The ferrofluid slug may be attracted to the interior of the coil b... | 04/17/2007 |
| 7096888 | Fluidic pulse generator system A fluidic pulse generator system includes two fluidic diverter valves that are both controlled by a single fluidic pilot valve. The fluidic pilot valve and the two fluidic diverter valves are each adapted to receive a flow of pressurized fluid. The flow of pressuriz... | 08/29/2006 |
| 7093617 | Fluidic diverter valve with a non-spherical shuttle element A fluidic diverter valve for use in flight control systems that includes a non-spherical shuttle element disposed within a cavity formed in the valve housing. In one embodiment, the shuttle element has a disc-shaped main body with first and second sides that are sub... | 08/22/2006 |
| 7080664 | Fluid amplifier with media isolation control valve A fluid amplifier is presented. The fluid amplifier comprises at least one control valve for controlling at least one of a first control fluid flow and a second control fluid flow. That is, the control valve has a movable element for selectively opening and closing ... | 07/25/2006 |
| 7069943 | Microfluidic system including a bubble valve for regulating fluid flow through a microchannel 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 fl... | 07/04/2006 |
| 7063612 | Air mixing unit for a ventilation system An air mixing unit for a ventilation system includes a housing with a control door to control at least one inlet air stream, a mode door to control at least one outlet air stream and air passages for supplying air through said mixing unit. An air duct system that is... | 06/20/2006 |
| 7000638 | Diverter valve with multiple valve seat rings A diverter valve includes a valve bore having a set of valve seats associated with each fluid outlet port. Each set of valve seats is at least partially separated from one another by a flow channel. The valve seat configuration increases the impact area for the valv... | 02/21/2006 |
| 7000640 | Air-distribution device based on the coanda effect An air-distribution device based upon the Coanda-effect comprises two mobile elements that move in synchronism and in phase opposition for distributing an air flow into two ducts. ... | 02/21/2006 |
| 7000639 | Air-distribution device based on the Coanda effect with means for imparting a circulatory motion on the flow of air not properly oriented Described herein is a Coanda-effect air distributor for distributing a flow between a number of ducts set downstream. Provided in the area that separates the initial ends of two ducts set downstream is the inlet of a recirculation duct that creates an air circulatio... | 02/21/2006 |
| 6976507 | Apparatus for creating pulsating fluid flow A fluidic oscillator is disclosed, wherein the fluidic oscillator includes a fluid source and a housing coupled to the fluid source. At least one recess is formed within the housing. An insert resides within each at least one recess; the insert provides at least one... | 12/20/2005 |
| 6941967 | Air-distribution system An air-distribution system comprises a fluid device that enables deviation of a flow of air that traverses a main duct (6S; 6D) into a first secondary duct (7S, 7C) and a second secondary duct (7C, 7D), exploiting the Coanda... | 09/13/2005 |
| 6931892 | Drainage control device for washing machines A drainage control device for washing machines is disclosed. This device controls the drain port, provided at the bottom of a washing tub, thus draining water from the washing tub in accordance with an operational mode of a washing machine. This drainage control dev... | 08/23/2005 |
| 6926036 | Fluidic diverter valve with a non-spherical shuttle element A fluidic diverter valve for use in flight control systems that includes a non-spherical shuttle element disposed within a cavity formed in the valve housing. In one embodiment, the shuttle element has a disc-shaped main body with first and second sides that are sub... | 08/09/2005 |
| 6877528 | Microfluidic system including a bubble valve for regulating fluid flow through a microchannel 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 fl... | 04/12/2005 |
| 6843263 | Partially closed microfluidic system and microfluidic driving method This specification disclosed a partially closed microfluidic system and a fluid driving method. The microfluidic system is comprised of a substrate with microfluidic elements and a thin film. A feature of this structure is that the thin film is elastic and deformabl... | 01/18/2005 |
| 6792976 | Fluid distribution device having improved deviating means A fluid distribution system comprised of an inlet duct (1) and two outlet ducts (6 and 7) including deviating means for directing the inlet flow into one or the other outlet ducts (6 and 7) composed of a mobile wall (2) suit... | 09/21/2004 |
| 6561224 | Microfluidic valve and system therefor A valve (105) controls fluid flow in a microfluidic system (100). The valve (105) has an input port adapted to receive fluid exerting a predetermined level of pressure on the valve (105) and an output port. The valve (105) has a variable sized aperture di... | 05/13/2003 |
| 6347645 | Fluid dynamic diverter valve for an appliance A fluid dynamic diverter valve is provided which has a valve body with a fluid inlet zone communicating with a fluid diversion zone, which in turn communicates with a fluid outlet zone. In the fluid inlet zone there is at least one inlet for a fluid, at l... | 02/19/2002 |
| 6142444 | Piezoelectrically actuated microvalve A microvalve includes a micromechanically structured chip defining a valve seat with a flow opening therethrough, an elastic suspension device and an edge region. A valve plate is defined by a piezoelectric actuator and is connected to the edge region of ... | 11/07/2000 |
| 6131879 | Piezoelectrically actuated microvalve A microvalve has a base element provided with a passage opening, a tappet, a suspension device for guiding the tappet, and a piezoelectric actuator for actuating the tappet. The suspension device guides the tappet relative to the base element in such a wa... | 10/17/2000 |
| 5983944 | Apparatus for active fluid control An apparatus is described for producing fluidic jet perturbations for controlling a fluid stream and mix of fluids. The invention is especially applicable to aerodynamic bodies for delaying separation and increasing the maximum angle of attack. The teachi... | 11/16/1999 |
| 5931178 | High-speed water jet blocker An apparatus and method for performing high speed interruption of the flow of a very fine, high pressure, high speed water jet 12 of the type used to cut foods, paper, and other goods. The water jet 12 is interrupted by a pivotal blocking bar 22 within a ... | 08/03/1999 |
| 5927320 | High-speed water jet blocker An apparatus and method for performing high speed interruption of the flow of a very fine, high pressure, high speed water jet 12 of the type used to cut foods, paper, and other goods. The water jet 12 is interrupted by a pivotal blocking bar 22 within a ... | 07/27/1999 |
| 5927335 | Spherical chamber fluidic ball diverter valve A fluidic ball diverter valve for use in aerospace applications for diverting the output of a fluidic amplifier comprises a valve chamber having an inlet and two outlets. The orientation of the outlet valve seats is such that a line of action between the ... | 07/27/1999 |
| 5785815 | Process for damping pressure pulsations and apparatus for performing the process Process for damping pressure pulsations and apparatus for performing the process. The process of this invention serves for the damping of pressure pulsations in a fluid, particularly a fiber suspension, flowing in a closed system wherein the pressure puls... | 07/28/1998 |
| 5588466 | Magnetostrictive transducer A magnetostrictive transducer wherein a magnetostrictive layer is applied to a flexible element, for example, a flexible beam. The flexible element is deflected by an external magnetic field. The thin magnetostrictive layer consists of Tb.sub.(1-x) Dy.sub... | 12/31/1996 |
| 5362027 | Flow regulating valve for magnetic particles A valve for regulating the flow of materials which are made up substantially of magnetic particles. The valve includes an outer housing and a core assembly secured within the housing to define an annular flow passage therebetween. The core assembly suppor... | 11/08/1994 |
| 5271431 | Microvalve A microvalve in multi-layer structure is proposed, where an inlet connector, a return connector and an outlet connector are produced by planar structuring of material layers. The microvalve has a first and a second stage, which is disposed behind the firs... | 12/21/1993 |
