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Match Document Document Title
8167265 Microvalve having magnetic wax plug and flux control method using magnetic wax  
Provided is a microvalve having a magnetic wax plug which includes a micro fluidic structure having an inlet portion and an outlet portion, a magnetic wax plug provided at a predetermined section...
8141575 Valve and production method thereof  
A valve includes a silicon substrate having first and second surfaces, a channel having an opening extending between both surfaces of the silicon substrate, and a metal pattern on the first surface...
8092761 Mechanically-actuated microfluidic diaphragm valve  
A microfluidic diaphragm valve. The valve comprises: an inlet port; an outlet port; a weir positioned between the inlet and outlet ports, the weir having a sealing surface; a diaphragm membrane for...
8083209 By-pass valve for heat exchanger  
A valve that includes a housing defining first and second bores having a central axis, and a peripheral valve seat. An actuator is located in the first bore and has a reciprocating seal disposed...
8070126 Device for actuation of a valve  
A valve operating device defined by the following features: a slider supported in axially displaceable manner in a housing and linked by an actuation segment to the valve, a first biasing spring...
8066031 Electro-hydraulic devices  
A microfluidic device includes a substrate including multiple electro-hydraulic valves and/or electro-hydraulic pumps that each include a flow channel and one or more hydraulic control channels,...
8062612 MEMS integrated circuit comprising microfluidic diaphragm valve  
A MEMS integrated circuit comprising one or more microfluidic diaphragm valves and control circuitry for the valves. Each valve comprises: an inlet port; an outlet port; a weir positioned between...
8025074 Micro-machined temperature dependent one-shot valve and process for production thereof  
A micro-machined temperature dependent one-shot valve is provided which has an operation temperature adjustable readily, causing no leakage below the operation temperature even at a high pressure...
8002235 Electrically actuated valves made from shape memory alloy wires embedded in elastomer  
Microfluidic valves constructed from elastomeric materials as the valve body components and employing shape memory alloy in wire form as the valve actuator. Various configurations of individual...
7981386 Mechanically-actuated microfluidic valve  
A mechanically-actuated microfluidic valve. The valve comprises an inlet port; an outlet port; a thermal bend actuator; and a valve closure member cooperating with the actuator. Actuation of the...
7980272 Microfluidic valve, method of manufacturing the same, and microfluidic device comprising the microfluidic valve  
Provided is a microfluidic valve, a method of manufacturing the microfluidic valve, and a microfluidic device that employs the microfluidic valve. The microfluidic valve includes a platform that...
7971651 Shape memory alloy actuation  
An actuator for use in actuating a valve to control the flow of fluids through the valve, the valve having a valve member movable between positions opening and closing the valve. The actuator...
7971849 Recirculating valve  
A recirculating valve according to the present invention comprises a fuel supplying passage in fluid communication with a fuel tank and an engine, a return passage in fluid communication with the...
7972718 Fluid manager using two shape memory alloy components and a battery including the same  
A fluid consuming battery (10) is provided with a fluid regulating system (50) for regulating fluid entry into the battery. The battery (10) includes a fluid consuming cell (20) having a cell...
7958906 Thermally induced single-use valves and method of use  
In accordance with an embodiment of the present invention, a thermally induced single-use valve is provided including a silicon wafer having a top surface and a bottom surface and at least one...
7926514 Valve unit and reaction apparatus having the same  
Provided are a valve unit and a reaction apparatus having the valve unit. The valve unit includes a phase transition material, which melts and expands upon an application of the electromagnetic...
7896621 Micro pump  
Provided is a micro pump having a simple structure. The micro pump includes a pump chamber including inflow and outflow passages through which a drive fluid flows, a first valve configured to open...
7892496 Mechanically-actuated microfluidic pinch valve  
A microfluidic pinch valve. The valve comprises a microfluidic channel defined in a compliant body; a valve sleeve defined by a section of the microfluidic channel, the valve sleeve having a...
7887756 Microfluidic system comprising mechanically-actuated microfluidic pinch valve  
A microfluidic system. The system comprises: (A) a microfluidics platform comprising: a compliant body having a microfluidic channel defined therein; a valve sleeve defined by a section of the...
7874305 Microvalve having magnetic wax plug and flux control method using magnetic wax  
Provided is a microvalve having a magnetic wax plug which includes a micro fluidic structure having an inlet portion and an outlet portion, a magnetic wax plug provided at a predetermined section...
7866624 Heat sensitive release valve for cryogenic tank  
A heatable cryo-valve for a cryogenic tank storing liquid hydrogen. In one embodiment, the cryo-valve includes a valve plate mounted to a valve body by a spring. The spring forces the valve plate...
7815161 Compact valve  
A compact valve using a shape memory alloy comprises: a moving valve body that contacts an inner periphery of a guide pipe having an built-in orifice, is freely movable and has a sealing portion to...
7766650 Gas-powered tool  
A controller includes a shell, a valve, a temperature-sensitive regulator and a cover. The shell defines an intake, a first space in communication with the intake, a second space in communication...
7762272 Gaseous fuel vehicle and automatic vent system  
A vehicle (1) equipped with a tank (2) for storage of a fluid under pressure on the vehicle, the tank being connected to at least one vent channel (3 and 33), the vent channel leading to a...
7748405 System, method and apparatus for reducing frictional forces and for compensating shape memory alloy-actuated valves and valve systems at high temperatures  
A valve system including a number of shape memory alloy (“SMA”)-actuated valves for controlling the flow of fluids is disclosed as is a variety of types of SMA-actuated valves and methods of ope...
7744058 Actuator  
An actuator (12) is disclosed for example controlling gas flow in a gas turbine engine. The actuator (12) comprises a first portion (14) having shape memory properties, and a second portion (16)...
7744059 Valve actuating device  
A valve system includes a valve body arranged in a valve housing and actuatable via a shape-memory element that is movable from an undeformed rest state to a tension deformed state and is again...
7712483 Adjustable seat valve with debris trap  
A debris trap for use in a gas valve fitting is provided. The debris trap comprises an elongated body extending about a first axis. The elongated body forms a passage therein extending along the...
7690621 Prestrained thin-film shape memory actuator using polymeric substrates  
A method for producing a plurality of thin film actuators is disclosed. The method includes depositing a film of a shape memory alloy material onto a polyimide film to form a shape memory alloy...
7648118 Flow-regulating valve and oil level control system using same  
A flow-regulating valve has at least one active material component that may be passively activated (e.g., in response to changes in surrounding temperature) to control fluid flow through the valve....
7484720 Temperature compensating valve assembly  
A temperature compensating valve assembly comprising a bimetallic spring, an O-ring, a body and a cap. The cap has at least one nib to provide compression on the bimetallic spring. The bimetallic...
7484528 Valve  
A valve is provided with a valve housing encompassing a pressure chamber and possessing at least two valve ports which open into the pressure chamber, whereby, in the pressure chamber at least one...
7478792 Microvalve having magnetic wax plug and flux control method using magnetic wax  
Provided is a microvalve having a magnetic wax plug which includes a micro fluidic structure having an inlet portion and an outlet portion, a magnetic wax plug provided at a predetermined section...
7454916 System for controlling cryogenic fluid flow rate and Joule-Thomson effect cooler comprising same  
A cryogenic fluid flow control system. This cryogenic fluid flow control system utilizes a first element forming a fluid inlet channel and an outlet passage that can be selectively blocked off by a...
7438030 Actuator operated microvalves  
An actuator operated microvalve and the method of making same is disclosed and claimed. The microvalve comprises a SiC housing which includes a first lower portion and a second upper portion. The...
7422192 Valve for fluids having a diaphragm shutter controlled by shape memory means acting also as defrosting means  
Described herein is a valve for fluids, liquids or dusts, which can be used to particular advantage for controlling openings for passage of cooling air in refrigerating apparatuses or the like. The...
7422191 Bistable miniature valve  
A bistable minivalve includes a movable component, an actuator that is electrostatically, magnetically, or mechanically coupled to the movable component for controllably switching the movable...
7407113 Products and process that act as a safety valve to prevent scalding  
A thermostatic valve incorporated within a plumbing system for regulating the flow of fluid. The thermostatic valve includes two valve assemblies operatively cooperating to preclude the flow of...
7395825 Method and device for activating an element made of a shape memory alloy  
A simple and cost-effective method is provided, according to which a positive temperature component (PTC) element directly controls the element made of a shape memory alloy. A simple and cost...
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...
7363942 Continuous automatic control and distributor valve, with a magnetic seal  
A valve which is composed of: —A seal consisting of two identical ferromagnetic discs (1), which enclose another smaller-diameter disc (2) and a permanent magnet, the rims (3) of the outer discs (...
7316227 Temperature-controlled PCV valve  
A positive crankcase ventilation valve includes a flow restrictor movable in an orifice to vary flow of fumes from an engine crankcase to an intake manifold in a vehicle. The valve also includes a...
7309056 Dual pedestal shut-off valve  
Integrated micro-valve is formed to control fluid flow and pressure. The valve converts supplied energy to mechanical energy through a means for energy conversion resident above a flexible wall or...
7302970 Liquid delivery device  
A micro liquid delivery device includes a flow channel for flowing a liquid, at least two pressure-generators for generating pressures provided in the flow channel, and a variable member placed...
7198248 Valve for fluids, liquids or powder material having a diaphragm shutter controlled by shape memory means  
A valve for gases, liquids or powdery material, comprises a diaphragm shutter element having a central part and a peripheral edge connected, respectively, to a central support and to a peripheral...
7192001 Thermopneumatic microvalve  
A microvalve device includes a semiconductor-based valve housing that defines a flow passage, and a valve face disposed within the valve housing and in fluid communication with the flow passage....
7182101 Device for controlling the flow of a fluid in one or more conduits in an electrical appliance, particularly in a dishwasher machine  
A device for controlling the-flow of a fluid in one or more conduits in an electrical appliance, particularly in a dishwasher machine, comprises at least a control member, movable between two or...
7175772 Small scale actuators and methods for their formation and use  
An actuator assembly and method for making and using an actuator assembly. In one embodiment, the assembly includes an actuator body having an actuator channel with a first region and a second...
7140391 Multiway valve  
A multiway valve contains a housing having several inlets and outlets and a chamber. Several seats are provided and each is respectively associated with one inlet or one outlet. A closure element...
7114913 Lubricant-cooled gas compressor  
In a lubricant-cooled gas compressor (10) the temperature of separated lubricant returned to the air-side (11) is monitored by a thermostatically controlled restrictor valve (22) which minimises...
Matches 1 - 50 out of 439 1 2 3 4 5 6 7 8 9 >