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Match Document Document Title
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...
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...
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...
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...
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...
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...
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.
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...
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...
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 ( 6 S; 6 D) into a first secondary duct ( 7 S, 7 C) and a second secondary...
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...
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...
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...
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...
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 )...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
5117794 Fuel injection system  
A bistable fluidic switch is switched from its stable state by a pin inserted in the power nozzle of the bistable fluidic switch, the pin being controlled by an electromagnetic actuator which is...
5067509 Gas jet actuator using coanda effect  
A gas jet actuator device is described for imparting controlled vibrations o an object to which the device is connected. The device comprises a conduit defining an inlet section which is...
5040560 Method and apparatus for controlled modification of fluid flow  
Substantial alteration of the flow conditions in a fluid stream are effected by the application of controlled disturbances to the boundary of or within the stream by one or more piezoelectric...
4924912 Electrofluidic pin transducer with stable null setting  
The invention provides an electrofluidic pin transducer (64) which maintains a stable null setting for a control pin (46). In the control mode of operation, the pin (46) is rotatable in a...
4842162 Apparatus and method for dispensing fluid materials using position-dependent velocity feedback  
Apparatus and method for dispensing fluid materials wherein the fluid is discharged from a nozzle at a rate controlled by a metering valve having a seat and a stem moveable with respect to the seat...
4809730 Electrofluid converters  
A converter or valve to modulate fluid flow, that includes a fluid channel to receive the fluid which is delivered to an output. An electrically-energized bender is disposed in close proximity to...
4771204 Sealing method and means for fluid control device  
In a membrane valve fluid flow control device which includes a pair of superimposed surfaces wherein the membrane is interposed between the surfaces under compression and further serves as a seal....
H000221 Fluidic fuel control for advanced ramjet engines  
A ramjet fuel control system that provides a regulated fuel pressure of a predetermined differential between the fuel pump pressure and the inlet pressure to a metering valve. The differential...
4590970 Pulse width modulated pressure source  
A pulse width modulated pressure source wherein the path between a fixed pressure source and an output receiving port is interrupted periodically so that the receiving port receives a modulated...
4581624 Microminiature semiconductor valve  
A microminiature valve having a multilayer integral structure formed on a semiconductor substrate. The valve comprises a semiconductor substrate having inlet and outlet apertures and a raised valve...
4554941 Fluid vibration apparatus  
Apparatus for generating a pressure pulse in a fluid comprising a pipe, an opening into said pipe for filling said pipe with fluid, a piston mounted in the pipe, and coupled to a vibrator output....
4475519 Fuel injection system for internal combustion engines  
A fuel injection system is proposed which serves to inject fuel into the combustion chambers of internal combustion engines. The fuel injection system includes at least one inlet and one outlet...
4450375 Piezoelectric fluid control device  
A piezoceramic bender cooperates with an impacting member, membrane and valve seat to provide a novel piezoelectric transducer arrangement for achieving desired rapid and accurate control of fluids...
4441526 Analog electro-fluidic signal transducer  
An analog electro-fluidic signal transducer utilizing one or a tandem series of laminar proportional amplifiers. The transducer has input passages at a varying pressure differential produced by...
4418721 Fluidic valve and pulsing device  
A high capacity fluidic valve is disclosed which is useful for creating psure pulses in a drill string for communicating diagnostic information from the bottom of a well bore to the surface during...
4393898 Fluid outlet device and a method of controlling fluid flow through a nozzle  
A fluid passing through a nozzle operative on the principle of wall effect of fluidic devices is variously deflected. A pair of control valves are provided at control fluid passages for supplying...
4393897 Fluid outlet structure  
A fluid outlet structure includes cavities formed in both inner sidewalls of the outlet having control fluid passages from which control fluid is jetted toward a center of the outlet to deflect...
4391299 Electro fluidic actuator  
An electro-hydraulic (EH) actuator for converting electrical inputs into hydraulic output signals is described. The actuator features a pressure balanced design which permits operation at high...
4326559 Fluidic force transducer  
A fluidic accelerometer and electromagnetic transducer formed from a plurty of vertical laminations having a nozzle, a pair of outlets for receiving nozzle fluid and a flexible member as an...
RE30870 Electromagnetic fluidics system and method  
A fluidic system (e.g. amplifier or bistable unit) having an inlet branch and a pair of outlet branches separated by a fluid-flow splitter whereby the fluid is rendered electromagnetically...
4203128 Electrostatically deformable thin silicon membranes  
The invention relates to thin silicon membranes formed in layers of silicon such as are normally utilized as substrates in the manufacture of integrated electronic circuits. The thin membranes...
4073316 Flexible flow diverter  
A flow device for interaction with a fluid stream to control its direction comprises a conduit system which includes a cavity in communication with an inlet for the stream and at least one outlet...
4006755 Electrofluidic converter  
The converter comprises a plurality of series-connected bistable fluidic elements each having a supply input, two outputs separated by a jet splitter, and two conical inputs. The outputs of each...
3993101 Tristable fluidic device  
An electrofluidic transducer which utilizes an electromagnetic device that is energizable by electric currents of opposite polarity to shift a fluid beam in opposite directions away from a central...
Matches 1 - 50 out of 105 1 2 3 >