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Measuring And Testing > With Fluid Pressure

With Fluid Pressure

With Fluid Pressure patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

04/10/14 - 20140096593 - System and method for rapid measurement of the air void distribution of fresh concrete
According to an embodiment, there is provided herein a method of determining the air void distribution in a sample of fresh concrete. One embodiment of the invention determines a parameter related to air void distribution by applying a known pressure to a fresh concrete sample, measuring a first value representative...

03/20/14 - 20140076029 - Load-controlled accelerated wear testing system for heart valve prostheses and other cardiovascular devices
A load-controlled accelerated wear testing system to test cardiovascular prostheses that enables a user to tune pulse waveform by adjusting the output loading pressure of a linear motor driving the testing system. A portion of the testing system is open to the atmosphere during testing, allowing a relatively lower threshold...

03/13/14 - 20140069172 - Hydrostatic test tool and method of use
Hydrostatic testing tool and methods for testing a test article, such as a hose or container having an external threaded aperture. The preferred testing tool includes a housing, a piston and a collet body having a plurality of collet segments collectively forming a cylindrical inner perimeter having a variable diameter,...

02/27/14 - 20140053632 - Scanning probe with twin-nanopore or a-single-nanopore for sensing biomolecules
A mechanism is provided for sensing molecules. A twin-nanopore probe includes a first channel and a second channel. A first pressure-controlled reservoir is connected to the first channel to generate a positive pressure. A second pressure-controlled reservoir is connected to the second channel to generate a negative pressure. A container...

02/06/14 - 20140033798 - Integrated safety and motion control testing device
In accordance with some implementations of the described invention, a testing device is provided which includes a safety shield having one or more motion control cam tracks, wherein the cam tracks are configured to receive a cam follower that is connected to a mounting member onto which is mounted one...

02/06/14 - 20140033799 - Method and apparatus for the remote nondestructive evaluation of an object
A method and apparatus for the remote nondestructive evaluation of an object such as a wind turbine blade involves applying mechanical and/or thermal stress to the object and then scanning the object using long-range thermographic and/or laser interferometric imaging. The laser interferometric imaging is preferably performed by a long range...

12/26/13 - 20130340503 - Pressure monitor optimizaiton of fluid path utilization
A device comprising a pressure monitor and a control means that receives a signal representing measured pressure at the pressure monitor and controls the controllable elements of a fluid system is utilized to monitor a fluid system for error conditions, to optimize operations and to diagnose the fluid system. By...

12/05/13 - 20130319084 - Method and apparatus of flush pump feature for portable liquid purifying filter
A flush pump feature on a liquid purifying filter includes a segment of flexible tubing containing a small bulb pump is described. Two check valves are positioned upstream and downstream of the bulb pump which then terminates with a simple manually operated open/closed valve. The addition of this flush pump...

10/24/13 - 20130276516 - Actuator predictive system
An actuator system includes a piston-cylinder arrangement including a piston that is movable with respect to a cylinder. A first flow path is in fluid communication with the piston-cylinder arrangement and a second flow path is in fluid communication with the piston-cylinder arrangement. A control system is operable to fluidly...

10/17/13 - 20130269418 - Method for monitoring an scr system
A method for detecting whether an injector with a valve controlled by a PWM signal of an SCR system is at least partially clogged, the system including a pump, or a positive-displacement pump, driven by a motor and pressure of which is controlled by a controller that continuously measures the...

10/17/13 - 20130269419 - Sensor device for detecting a flow property of a fluid medium
A sensor device for detecting at least one flow property of a fluid medium. The sensor device includes at least one sensor housing, in which at least one electronic module having at least one flow sensor for detecting the flow property is accommodated. The electronic module is at least partially...

09/05/13 - 20130228005 - Diagnostic method for poppet valves and measuring device for carrying out said method
The invention relates to diagnostic methods according to the preamble of the equivalent claims 1 and 2, with which the state of a poppet valve in the course of the switching cycles and/or events thereof, such as the occurrence of pressure shocks or surges during continuous operation is/are monitored continuously,...

08/22/13 - 20130213119 - Safety system
A safety system for testing high-pressure devices comprising an explosion-proof safety housing; a high-pressure pneumatics testing equipment located within the housing; a closeable access opening in the housing for inserting a high-pressure device for testing within the housing; a device located within the housing for coupling the high-pressure pneumatics testing...

08/22/13 - 20130213120 - Apparatus for and a method of characterising mechanical properties of a sample
The present disclosure provides an apparatus for characterising mechanical properties of a sample. The apparatus comprises a structure for supporting the sample and applying a first pressure in a first direction to the sample and an actuator for modulating the first pressure. The apparatus also comprises a pressure applicator containing...

06/20/13 - 20130152668 - Methods for determining wettability alteration
A protocol for determining the effect of water composition on surface alteration is described using simple and less preparation sensitive, brine/oil and rock/brine/air systems when compared to conventional rock/brine/oil measurement methods. A model glass/brine/oil system is described and it is demonstrated that experimental measurements of contact angle obtained using a...

06/20/13 - 20130152669 - Hose tester intensifier
This disclosure relates generally to systems and methods for testing hoses, and also to a configuration for an intensifier for increasing the pressure and temperature of oil within the hoses to be tested....

05/30/13 - 20130133405 - Shut-off valve testing system
The shut-off valve testing system provides for the testing of the main shut-off valve of a combustible gas supply line in such facilities as refineries, factories, or other plants utilizing such gaseous fuel. The system includes a combination hydraulic-pneumatic cylinder receiving pneumatic pressure from a suitable source, the cylinder communicating...

05/02/13 - 20130104628 - Condition determining
A method and apparatus are disclosed for determining a condition at an item of media container. The method includes the steps of locating a suction element at a pick up region of a container, selectively connecting a source of negative pressure to the suction element, determining a pressure at the...

03/07/13 - 20130055792 - Hygienic integrity test in ultrafiltration systems
A method for testing the integrity of a hollow fibre membrane includes inserting a sterile, monomolecular gas into an interior of the hollow fibre membrane, applying a starting gas pressure on the gas in the interior of the hollow fibre membrane at a first point in time, and measuring the...

03/07/13 - 20130055793 - Filter clogging detection apparatus
There is provided a filter clogging apparatus capable of detecting clogging of an individual filter without being limited to the direction in which cooling air is taken in. There is provided a filter clogging detection apparatus for detecting clogging in filter (2) for preventing dust contained in cooling air (7)...

07/12/12 - 20120174654 - Hydrostatic test tool and method of use
Hydrostatic testing tool and methods for testing a test article, such as a hose or container having an external threaded aperture. The preferred testing tool includes a housing, a piston and a collet body having a plurality of collet segments collectively forming a cylindrical inner perimeter having a variable diameter,...

03/15/12 - 20120060588 - Humidity and osmotic suction-controlled box
Described herein are systems, apparatuses and methods for the design and use of a suction-controlled box for the measurement of stress-dependent soil and water characteristics, shear strength, volume changes and consolidation characteristics from a single unsaturated soil specimen. The suction-controlled box can include a suction control part and a mechanical...

02/09/12 - 20120031172 - Device and method for applying a force to a planar surface
A device for applying a force to a planar surface includes a tub, a cavity, a membrane, and an opening. The tub includes a bottom wall, at least one sidewall, and a cavity defined between the bottom and sidewalls. The membrane is disposed within the cavity and a perimeter edge...

12/22/11 - 20110308299 - Pressure guiding tube blockage diagnosing device and blockage diagnosing method
A pressure transmitting device detects, through a pressure guiding tube, a pressure of a liquid, slurry, gas, or the like to be measured, wherein there are fluctuations in the pressure; where the pressure guiding tube blockage diagnosing device comprises: a rising/falling frequency detecting portion for segmenting into a plurality of...

09/29/11 - 20110232368 - Pressurized and heated testing chamber
An apparatus and process for testing a sample of a hydraulic fracturing fluid is provided. A small quantity of a fracturing fluid sample to be observed and/or tested is placed in a chamber designed with suitable heat and pressure simulation apparatus. With the sample chamber, the efficacy of the fracturing...

09/29/11 - 20110232369 - Pressure guiding tube blockage diagnosing device and blockage diagnosing method
A pressure transmitting device detects, through a pressure guiding tube, a pressure of a liquid, slurry, gas, or the like to be measured, wherein there are fluctuations in the pressure; where the pressure guiding tube blockage diagnosing device comprises: a rising/falling frequency detecting portion for segmenting into a plurality of...

06/23/11 - 20110146385 - Fatigue evaluation of prostheses by radial excitation of tubular structures
Prostheses are fatigue tested using an apparatus under simulated physiological loading conditions. A fluid housing defines an entrance chamber having fluid outflow ports and an exit chamber having opposing fluid inflow ports and a central flow conduit in communication with the entrance chamber and the exit chamber. A plurality of...

06/09/11 - 20110132073 - Fatigue testing system for prosthetic devices
A fatigue testing system provides simultaneous cycle testing for a plurality of prosthetic devices under simulated physiological loading conditions. A plurality of sample holders containing test samples of prosthetic devices is positioned between a distribution chamber and a return fluid chamber to form an integrated test chamber. A reciprocating linear...

04/28/11 - 20110094294 - Duct smoke detection system and method
An assembly for testing of smoke detectors, installed to detect the presence of smoke in ductwork or through a smoke protected opening, and includes a plenum rated hose assembly having a duct end and a smoke end. The hose assembly smoke end is extendable to within the duct and is...

03/17/11 - 20110061448 - Hydraulic system calibration method and apparatus
A ground engaging vehicle including a frame, an engine connected to the frame, a controller, and a hydraulic system powered by the engine. The hydraulic system includes a plurality of actuators, a plurality of valves, and at least one sensor. The plurality of valves include a first valve associated with...

09/02/10 - 20100218596 - Methods and apparatus for testing a honeycomb body
Methods are provided for testing a honeycomb body comprised of a core portion comprising honeycomb cell walls and a circumferential skin portion overlying at least some outer honeycomb cell walls. The circumferential skin portion includes a cement mixture layer. The method comprises the step of directing a fluid stream from...

06/17/10 - 20100147053 - Breakaway tooling apparatus
A breakaway tooling apparatus connectable to a manipulator and at least one tool for limiting the amount of damage to the associated manipulator and tool when the apparatus accidentally engages an obstacle. The detection mount has a narrowed neck region and stepped throughbore adjacent the narrowed neck region for creating...

02/18/10 - 20100037680 - Methods and apparatuses for detecting occlusions in an ambulatory infusion pump
An improved pump, reservoir and reservoir piston are provided for controlled delivery of fluids. A motor is operably coupled to a drive member, such as a drive screw, which is adapted to advance a plunger slide in response to operation of the motor. The plunger slide is removably coupled to...

12/17/09 - 20090308138 - Process for measuring the uniform filling of reactors with solid bodies
The invention relates to a process for measuring the uniform filling of reactors or columns with solid bodies and to an apparatus for performing the process....

03/12/09 - 20090064763 - Pressurized oxygen for evaluation of molding compound stability in semiconductor packaging
A test environment and an associated method of testing and analyzing a semiconductor package material containing a molding compound, for stability in a sustained oxygen environment. Test samples are exposed to a pressurized gas containing oxygen, under elevated temperature below the glass transition temperature of the molding compound. Control samples...

02/05/09 - 20090031788 - Hydraulic scale for determing seeding density of a planter and method
A hydraulic scale for planter calibration is disclosed. The hydraulic scale includes a tube having indicia disposed thereon. The tube has a substantially closed bottom and a substantially open top. The indicia disposed on the tube include at least one scale having a zero line. The tube is configured to...