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7620522 |
Diagnostic device for at least one pneumatic valve actuator arrangement
A diagnostic device for at least one pneumatic valve actuator arrangement, comprises a pressure sensor, a volumetric flow sensor, a control means for producing control signals for the valve...
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7611673 |
PMDS microfluidic components and methods of operation of the same
Component microfluidic devices which are integrated with polydimethylsiloxane (PDMS) microfluidic chips, include designs for an electrical and optical pressure gauge, valve, electrostatic and...
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7611634 |
Method for monitoring the degree of fouling of a filter
A method of filtering a fluid wherein after filtering a contaminated fluid, which causes the formation of a filter cake, a substantially non-contaminated fluid is fed through the filter cake and...
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7594424 |
Automated timer and setpoint selection for pneumatic test equipment
A fill time and stabilize and measurement time are determined for a pneumatic testing procedure. The fill time is computed by identifying, in the filling of a sample unit, a time when a substantial...
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7578168 |
Increasing gas gauge pressure sensitivity using nozzle-face surface roughness
A gas gauge for sensing distance to an object includes a gas supply system and a nozzle that supplies the gas from the gas supply system to a space between the nozzle and the object. For example,...
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7568379 |
Method of measuring porosity by means of ellipsometry and device for implementing one such method
The method for measuring the porosity of an element is performed by means of a measuring device comprising a measuring chamber in which the element is disposed, a solvent tank associated with an...
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7565828 |
Systems and methods for testing packaging
Disclosed are apparatus and methods for testing packaging and/or materials (e.g., package integrity and/or seal strength testing) wherein one or more coatings are applied to the one or more...
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7555933 |
Method and software for detecting vacuum concentrator ends-of-runs
A method for determining ends of runs in a vacuum concentrator includes operating the vacuum concentrator at a pressure set point, periodically inducing a pressure increase in the vacuum...
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7549985 |
Method and system to create and acoustically manipulate a microbubble
A method and system to create and acoustically manipulate without destroying a microbubble which, in biological applications, can manipulate structures such as cells and subcellular structures at a...
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7549321 |
Pressure sensor
A choked-flow orifice gas gauge proximity sensor for sensing a difference between a reference surface standoff and a measurement surface standoff is disclosed. Unlike existing proximity sensors,...
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7549320 |
Measuring cement properties
A cement sample testing apparatus including a first pressure zone; a second pressure zone; and a pressure control system. The pressure control system can be in fluid communication with the first...
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7546759 |
Chemical/biological hose test adapter
The invention relates to devices and methods for adapting a standard protective mask test apparatus to perform leak testing of a mask air hose assembly as an independent equipment component, i.e.,...
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7543479 |
Machine for pressure testing container
An inspection machine for pressure testing a glass bottle filled with water. A normal test pressurizes the bottle until the pressure reaches an acceptable level. If the bottle bursts or leaks the...
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7527109 |
Locating apparatus and system
Apparatus and methods for locating underground obstructions are disclosed. One embodiment of the present invention comprises an elongate probe with a first and second end and a first internal fluid...
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7526948 |
Device and method for detecting foreign material on the surface of plasma processing apparatus
A detection technique for detecting foreign material on the surface of a plasma processing apparatus, capable of accurately sucking/extracting and measuring foreign material contained in the...
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7523644 |
Method and apparatus for verifying the integrity of a joint seal
A system for verifying the integrity of a seal comprises an elastomeric seal on either side of a metal sealing gasket. A pressure test penetration is provided into an axial channel at a position...
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7520161 |
Tightness test for disk bond connections and test structure for carrying out said method
A process and a test structure for testing the hermeticity of bond connections are described. Points are provided on the wafer pair to be connected, at which hermetically closed cavities are...
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7509863 |
Measuring and testing device incorporating an air gauge
The present invention relates to a measuring and testing device incorporating an air gauge capable of measuring dimensional characteristics of a tapered bore of a component. The measuring and...
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7500380 |
Measuring distance using gas gauge proximity sensor
In a gas gauge, effects due to changes in the local environment are reduced by causing a measurement nozzle and a reference nozzle to react as if they were co-located, or located at approximately...
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7475591 |
Methods and systems for hydrostatic testing a pipeline
A method of hydrostatic testing a selected section of a pipeline having fluid flow therethrough, including the steps of introducing into the pipeline a pig train including a leading seal pig, a...
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7472602 |
Determination of elastomer material properties for the Mullins effect using a bi-axial test device
Systems and methods for determining material properties of elastomers for the Mullins effect are described. In one aspect of the present invention, material properties of an elastomer membrane...
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7472580 |
Pressure sensor
A vacuum-driven gas gauge proximity sensor for sensing a difference between a reference surface standoff and a measurement surface standoff is disclosed. Unlike existing proximity sensors, the...
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7472579 |
Liquid flow proximity sensor for use in immersion lithography
An apparatus and method for precisely detecting very small distances between a measurement probe and a surface, and more particularly to a proximity sensor using a constant liquid flow and sensing...
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7469573 |
Methods and apparatus for determining the position of an obstruction in a passage
A method of determining the position of a blockage ( 192, 392 ) in a passage ( 15, 313 ) having a first end and a second end. The method comprises blowing a sealing device ( 200 ) into the passage...
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7437911 |
Method and system for operating an air gauge at programmable or constant standoff
Provided are a method and system for measuring a distance to an object. The system includes an air gauge configured to sense a distance to a surface of the object and a sensor configured to measure...
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7437910 |
Pressure differentiator fitted with a temperature equalizing material
An object of the invention is to provide a pressure differentiator capable of improving measurement accuracy. The pressure differentiator of the invention includes an isothermal pressure vessel ...
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7431569 |
Pump health monitoring
A method of monitoring the health of a positive displacement hydraulic pump comprising the steps of:
establishing a flow path having a known flow number between a high pressure outlet line...
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7416902 |
Method and apparatus for airborne particle sorting
An apparatus for airborne particle sorting is provided comprising a charging system adapted for applying an electrostatic charge to the particles, such that particles of at least a first group are...
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7412344 |
System for synchronously controlling the testing of pluralities of devices and the method of the same
The present invention discloses a system for synchronously controlling the testing of pluralities of devices, comprising a server, a switch coupled to the server, and a testing instrument coupled...
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7390465 |
System and method for contamination detection within sealed containers
A system and a method to detect biological and chemical agents in a sealed contained at, for example, a mail-processing center. The system includes filtration and vacuum subsystems cooperatively...
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7389188 |
Fluid-structure coupled numerical simulation method and program for fluid-structure coupled numerical simulation storage device
A fluid-structure coupled numerical simulation method is provided. The method uses a finite volume method employing an orthogonal mesh and a computer and memory setting a solid area based on a...
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7360492 |
Railway car with overload detector
The invention provides an overload detector with a simplified system configuration to be applied to a railway car having a connecting bogie. A connecting bogie 52 (two axle bogie) having front...
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7325445 |
Air test to determine surface roughness
A surface roughness measuring apparatus ( 11 ) has a probe ( 27, 41 ) with a smooth surface region ( 31, 43 ) contoured to conform to a surface ( 33 ) the roughness of which is to be measured, and...
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7325440 |
Hole inspection system for a pierced container
A hole inspection system for a pierced container 1 for inspecting an outwardly opened hole 1 a formed in a flexible container 1 for performing a proper inspection for the size of the hole 1 a...
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7325439 |
Fluid permeability measurement system and method
A system for measuring the permeance of a material. The permeability of the material may also be derived. The system provides a liquid or high concentration fluid bath on one side of a material...
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7324864 |
Apparatus and method for measuring forces imparted on valve assemblies of metered dose delivery containers during manufacture thereof
An axial force measurement apparatus ( 40 ) comprises a head member ( 42 ) adapted for receiving force imparted by an external force-applying source, and a transducer ( 44 ) such as a load cell for...
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7322225 |
Adhesion promotion vacuum monitoring system for photo resist coaters
An apparatus and method for monitoring pressure within an adhesion promotion unit is provided. The apparatus in one embodiment includes a chamber configured to receive and heat a semiconductor...
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7310994 |
Method and device for obtaining a determined flow resistance of a flow channel by means of a measuring bridge
The invention relates to a method and device for obtaining a determined flow resistance of a flow channel, especially an opening in a component. The method involves the following steps: a liquid...
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7303613 |
Filter sensor and indicator for vacuum cleaners
A pressure actuated electrical switch and indicator to indicate to a user that a filter vacuum cleaner requires cleaning or replacing. In a first embodiment, the pressure actuated electrical switch...
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7276023 |
Device for checking endoscope channels
In order to check endoscope channels, a predetermined quantity of liquid is led, at a predetermined pressure, through the channel that is to be checked, and the period of time for this is measured...
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7254988 |
Method and apparatus for testing pulsatile endurance of a vascular implant
A method for testing the pulsatile endurance of a vascular implant 3 comprises placing a resilient insert 4 into the implant and repeatedly expanding and contracting the insert, thereby...
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7231945 |
Method of proof testing glass
A method of proof testing glass containers is disclosed. The method involves applying pressure to a sealed container in two discrete stages as shown in FIG. 1 . In the first stage, the pressure is...
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7231277 |
Surface shape determining device for a machining apparatus and surface shape determining method
In a state of separating a front end face of an air injecting nozzle 23 from a worked work W by a predetermined interval h, the air injecting nozzle 23 is moved at a constant speed in an X axis...
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7219533 |
Small hole diameter automatic measuring apparatus, small hole diameter measurement method, and shower plate manufacturing method
A small hole diameter measuring apparatus including: a flow rate measurement section comprised of an automatic pressure control device which supplies a fluid to the inlet side of small holes in a...
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7210363 |
Scan testable filter housing assembly for exhaust applications
A filter housing assembly for exhaust applications and method of testing the same is provided. In one embodiment, the filter housing assembly includes a housing having a filter receiving aperture,...
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7209240 |
System and apparatus for measuring displacements in electro-active materials
A specialized containment cell with optically transparent apertures, in conjunction with a laser interferometer system provides the means for non-contact displacement measurements of electro-active...
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7207208 |
Blown installation of optical fibres and method and apparatus for determining the length of a passage along which an optical fibre is to be blown
An apparatus ( 12 ) is provided for use in determining a length at least representative of the length of a tube that defines a passage in an optical fibre cable ( 10 ) along which an optical fibre...
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7185529 |
Shower station testing assembly for pressure testing plumbing
The present invention provides a testing assembly for pressure testing a plumbing system in a building where the building has a shower station with a drain and a shower inlet. The testing assembly...
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7174769 |
Monitoring contents of fluid containers
Apparatus for remote inspection of fluid containers, e.g., portable tanks or fluid pipelines, includes an electronic circuit in communication between each container (or at various locations along a...
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7165442 |
Method of detecting a water leak in a locomotive
Disclosed herein are methods for detecting a water leak in a locomotive engine cooling system comprising numerous components, each being a potential source of leakage of water. The method typically...
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