Matches 1 - 26 out of 26
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...
7222639 Electrostatically actuated gas valve  
A gas valve body with a first flow chamber and, a second flow chamber including and a main valve positioned in line and between the first flow chamber and the second flow chamber. The main valve...
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...
7156365 Method of controlling microvalve actuator  
In a method of controlling an actuator of a microvalve, a controller is provided for supplying a voltage to the actuator. The controller provides an initial voltage to the actuator which is...
7011378 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...
6994115 Thermally actuated microvalve device  
A microvalve having a generally planar plate valve body defining a chamber and a plate valve member movable in the chamber about a pivot axis that is perpendicular to the valve body to control the...
6935355 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...
6761420 Proportional micromechanical device  
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...
6739576 Microfluidic flow control device with floating element  
A microfluidic flow control device includes a fluidic chamber, a first and a second microfluidic channel, at least one sealing surface between the first and the second channels, and a floating...
6672325 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...
6637722 Pilot operated microvalve device  
A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a cavity formed therein. A pilot valve supported by the body is movably disposed in...
6592098 Microvalve  
An improved microvalve device is configured to provide a more robust and durable operation to withstand the demands of various operating environments. The microvalve may comprise a valve seat and a...
6589229 Wearable, self-contained drug infusion device  
A wearable, self contained drug infusion device is disclosed that is capable of achieving the precise flow rate control needed for dose-critical drugs such as insulin. In preferred embodiments of...
6561479 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...
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 )...
6540203 Pilot operated microvalve device  
A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a cavity formed therein. A pilot valve supported by the body is movably disposed in...
6523560 Microvalve with pressure equalization  
Disclosed is a microvalve suitable for use in high pressure applications such as refriigeration. The microvalve has a displaceable member that slides across an inlet port, thereby creating an...
6305779 MEMS inkjet nozzle cleaning and closing mechanism  
MEMS inkjet nozzle cleaning and closing mechanism. An inkjet nozzle closing mechanism (1) having a slider (2) attached to the face of a nozzle plate (5). The nozzle plate (5) has a front face (5a)...
6267146 Piezoelectric valve  
When a drive signal is not applied to a piezoelectric element 42, a diaphragm 38 is contacted with a valve seat 52 to disconnect diaphragm chambers 24a, 24b from a passage 54. In this case, even if...
6261066 Micromembrane pump  
A micromembrane pump comprises a pump membrane which is adapted to be moved to a first and a second position with the aid of a drive means and a pump body connected to the pump membrane so as to...
6230606 Speed control apparatus for cylinder  
A speed control apparatus for a cylinder comprises the cylinder, speed controllers for controlling flow rates of a pressure fluid introduced into and discharged from cylinder chambers, a controller...
6230501 Ergonomic systems and methods providing intelligent adaptive surfaces and temperature control  
Ergonomic systems which provide medical therapy, comfort and enhanced function are provided. Surfaces are provided with adjustable contour, transient force damping and temperature. The technologies...
6102897 Microvalve  
The invention relates to a microvalve for disposable use with a casing with at least one valve seat and a closing element fusible under thermal application for the opening and/or closing of the...
6091050 Thermal microplatform  
A micromachined platform structure includes a substrate having a major surface and a platform positioned over the major surface. Plural support beams are tethered between the substrate and the...
6087638 Corrugated MEMS heater structure  
A thermal actuator comprising a first conductive material encased in a second non-conductive expansive material wherein said first conductive material is constructed in the form of a corrugated...
5946969 Lever displacement enlarging mechanism  
The invention provides a lever displacement enlarging mechanism which is applicable for a positioning apparatus of an optical stage, is provided with bisymmetrical levers enlarging and transmitting...
Matches 1 - 26 out of 26