Matches 1 - 50 out of 233 1 2 3 4 5 >


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US20110030453 METHOD AND APPARATUS FOR TESTING SLURRY PENETRATION THROUGH MAT FACER IN GYPSUM-BASED PANEL PRODUCTION  
A method of testing penetration of a slurry through a mat facer includes the steps of placing the facer mat beneath a slurry test dispenser, storing slurry in a reservoir of the slurry test...
US20120125085 WATERPROOFING TEST DEVICE AND METHOD  
A waterproofing test device tests waterproofing performance of a unit under test (UUT). The UUT has thereon a test recess and an aperture. The aperture is hermetically sealed with a gas-permeable...
US20140144212 METHODS FOR TESTING A HONEYCOMB FILTER  
Methods of testing a honeycomb filter include the step of maintaining an average temperature of the honeycomb filter and/or fog within a range of from about 10° C. to about 30° C. and flowing a...
US20130152671 Capillary-Based Calibration Standards For Measurement of Permeability  
A calibration standard or check plug provides calibration standards in the permeability range of 10-10,000 nanoDarcy. The check plug is of similar exterior dimensions to a core sample that would...
US20110174057 PORE STRUCTURE CHARACTERIZATION OF FILTRATION CARTRIDGES AT SPECIFIC LOCATIONS ALONG CARTRIDGE LENGTH  
A method for determining pore structure characteristics of a filtration cartridge includes the steps of placing a porometry test location isolating device in sealing contact with the filtration...
US20140352407 CANISTER STATUS DETERMINATION  
A method and apparatus are disclosed for determining status of a canister of a topical negative pressure (TNP) system. The method includes the steps of monitoring pressure provided by a pump...
US20090056420 Percolation test timer  
A device to aid in the testing procedure for soil percolation used in the design of septic systems. The device is used to measure the rapidity of a change of water surface elevation. The device...
US20150013434 DEVICE FOR MEASURING POLLUTION INDEX OF FILTRATION MEMBRANE  
A device for measuring the pollution index of a filtration membrane includes: a raw water supply part; a first filtration membrane; a raw water supply line; a first flow rate measuring part; a...
US20070277592 FILTER SENSOR  
A filter life sensor assembly within an air handling system is disclosed. The air handling system includes an air flow intake, an air flow exit, and a filter disposed between the air flow intake...
US20140137637 AIR PERMEABILITY TESTER  
An air permeability apparatus has a test head with an opening, a vacuum pump, a clamping arm and an orifice disk arranged between the test head and the vacuum pump, wherein the orifice disk has a...
US20140096594 METHOD OF NON-DESTRUCTIVE INSPECTION OF FLAT MEMBRANE  
A pore diffusion type flat membrane separation apparatus X including a plurality of flat membranes 7 and a plurality of flat plate-like supports 1 arranged alternately with each other, each flat...
US20120297862 METHOD OF CHECKING A MEMBRANE FILTRATION MODULE OF A FILTRATION PLANT  
A method of checking a membrane filtration module of a filtration plant, where the membrane filtration module includes a discharge pipe for the filtrate and a membrane element for filtering a...
US20130104629 HOLDER FOR MEASURING PERMEABILITY OF UNCONSOLIDATED SEDIMENT  
Disclosed is a holder for measuring a permeability of an unconsolidated sediment. The holder includes a sediment installation part having a solid sediment attached to opposite ends of an...
US20130327126 POROSITY MEASUREMENT  
The measuring device is an on-line measuring device including a pressure generator and a sensor, by which is determined porosity of paper or board, constituting an object of measurement, by...
US20130042670 DETERMINATION OF PORE SIZE IN POROUS MATERIALS BY EVAPORATIVE MASS LOSS  
A method for determination of pore-size distribution in a porous material called evapo porometry (EP) is capable of determining pore sizes from approximately the nanometer scale up to the micron...
US20110174056 BIAXIAL STRESS, SHEER, PERMEABILITY, AND PEEL TEST METHOD AND MACHINE TO CONDUCT THE SAME  
The subject invention relates to an apparatus and process for testing various parameters and properties of high strength flexible, fabric laminates. In particular, the apparatus comprises a...
US20140318219 Method for Accelerated Testing of a Membrane Module  
A method of accelerated testing of a membrane module for resistance to cyclic stress during operation of an industrial membrane separation process comprising loading at least one membrane module...
US20120167666 ARTICLES WITH POROUS PARTICLES FOR SECURITY PURPOSES  
An article comprises one or more porous particles. Each porous particle comprises a polymer that provides a continuous solid phase including an external particle surface, and first and second...
US20140109653 INTELLIGENT PIPELINE PRESSURE SENSING DEVICE  
An intelligent pipeline pressure sensing device is disclosed. Conventionally, both blower and exhaust fan use the motor with fixed rotation speed to drive the fan blade, so the input/output...
US20130340505 MULTI-FUNCTION TESTING APPARATUS FOR CEMENT AND METHODS OF USING THE SAME  
A multi-function testing apparatus contains a test cell, a piston positioned within the test cell and an adjustable piston depth-setting rod. The testing apparatus may be used to assess carbon...
US20140000346 HIGH PRESSOR SENSORS FOR DETECTING MEMBRANE FOULING  
In one aspect, the invention relates to methods and devices for detecting membrane fouling in a membrane-based water processing system. This abstract is intended as a scanning tool for purposes of...
US20080296208 Reverse Osmosis Filtration Devices with Rfid Tag-Powered Flow and Conductivity Meters  
The present invention relates to reverse osmosis filtration devices, and more particularly, to membrane filtration devices (10, 11, 12) that have flow meters and fluid conductivity meters powered...
US20110048109 Method And Apparatus For Inspecting Ceramic Wall Flow Filters  
Methods are disclosed for inspecting a cylindrical porous ceramic body by positioning a diffuser near, and spaced apart from, the first end of a ceramic body; flowing a tracer flow toward the...
US20140060159 PERMEABILITY FLOW CELL AND HYDRAULIC CONDUCTANCE SYSTEM  
The present invention relates to devices and methods for measuring the permeability of dentin. More particularly, the invention relates to devices and methods of quickly and accurately measuring...
US20140060158 PERMEABILITY FLOW CELL AND HYDRAULIC CONDUCTANCE SYSTEM  
The present invention relates to devices and methods for measuring the permeability of dentin. More particularly, the invention relates to devices and methods of quickly and accurately measuring...
US20140060157 PERMEABILITY FLOW CELL AND HYDRAULIC CONDUCTANCE SYSTEM  
The present invention relates to devices and methods for measuring the permeability of dentin. More particularly, the invention relates to devices and methods of quickly and accurately measuring...
US20140060156 PERMEABILITY FLOW CELL AND HYDRAULIC CONDUCTANCE SYSTEM  
The present invention relates to devices and methods for measuring the permeability of dentin. More particularly, the invention relates to devices and methods of quickly and accurately measuring...
US20150020507 PARTICULATE FILTER PERFORMANCE MONITORING  
A method for particulate filter performance monitoring in an exhaust gas treatment system is provided. The method includes monitoring a current received from a soot sensor in the exhaust gas...
US20130014562 Method for use of microdialysis  
Very accurate measurements of mass transfer can be made rapidly by permitting diffusion of an agent desired to be measured into or out of a small, very precisely known volume of a microdialysis...
US20100082259 PERCOLATION TEST APPARATUS  
The present invention includes a method and apparatus for determining the percolation rate of soil. The method includes providing a test assembly configured to be placed over the top of a test...
US20100050720 Passive nutrient removal material mixes  
Materials, compositions, substances and methods and systems for stormwater treatment in wet ponds, dry ponds and a green roof system. A first embodiment provides in-situ treatment unit within the...
US20110167896 ESTIMATION OF RESERVOIR PERMEABILITY  
A method for determining the permeability of a petroliferous reservoir comprising injecting a tagged organic molecule into the reservoir at a first location, and detecting a signal associated with...
US20140116114 PERMEAMETER FOR IN-SITU MEASUREMENT OF SATURATED HYDRAULIC CONDUCTIVITY  
Disclosed is a permeameter for in-situ measurement of saturated hydraulic conductivity. The permeameter includes a chamber fixedly installed into a streambed sediment such that the inside of the...
US20060042356 Measuring soil permeability in situ  
Soil permeability is measured in situ by connecting an elongated fluid supply tube to a section of prefabricated vertical drain for remote fluid communication with interior portions of the drain....
US20070056905 Continuous pressure decay test  
A continuous integrity test is performed on membranes in a membrane filtration system during the backwashing phase. The membrane pores are backwashed by applying a gas at a pressure below the...
US20070289362 Air scouring for immersed membranes  
A method of cleaning filtering membranes involves scouring the membranes with bubbles while the lumens of the membranes contain a gas at pressure below the bubble point of the membranes. The...
US20150000379 METHOD OF MODELING PERMEATION TO ESSENCES OF A MULTILAYER POLYMER STRUCTURE  
A method of constructing a model of permeation to mixtures of solvents of a multilayer polymer structure with n monolayers and its associated computer program. For example, selecting several...
US20100313633 ESTIMATING EFFECTIVE PERMEABILITIES  
A method for determining effective permeabilities of earth formations. The method includes receiving a database having one or more measurements made on a collection of fluid filled rocks and...
US20100017151 Detecting A Fouled Air Filter In A Computer Equipment Enclosure  
Detecting a fouled air filter in a computer equipment enclosure that includes an air filter, a supply plenum connecting the air filter and the computer equipment enclosure, a fan operating at a...
US20110079075 MOLECULAR IMPRINTED THREE-DIMENSIONALLY ORDERED MACROPOROUS SENSOR AND METHOD OF FORMING THE SAME  
A molecular imprinted three-dimensionally ordered macroporous (MiTOM) sensor for detecting small organic molecules and a method of forming the same. A target template associated with a number of...
US20140109652 METHOD FOR DISPERSION AND ADSORPTION COEFFICIENT ESTIMATION USING AN ANALYSIS OF PRESSURE TRANSITION DURING A VISCOSITY-SWITCH  
Disclosed is a method for estimating porous-media longitudinal dispersion and adsorption coefficients. According to various embodiments of the invention, a method for estimating porous-media...
US20110094295 CEMENT TESTING  
Devices and methods for testing cement include: a pressure vessel with a sample container inside an interior working volume of the pressure vessel, the pressure vessel configured to supply a first...
US20130312491 DEVICE AND METHOD FOR DETERMINING THE PERMEATION RATE OF BARRIER ELEMENTS AND ULTRA-BARRIER ELEMENTS  
The invention relates to a method and a device for determining the permeation rate of barrier elements and ultra-barrier elements according to an isostatic permeation measurement method. In the...
US20130269420 METHODS OF MEASURING POROSITY ON UNCONVENTIONAL ROCK SAMPLES  
Embodiments disclose methods of estimating porosity from a pore volume and bulk density. The porosity is obtained by multiplying the pore volume and bulk density. Methods disclosed in the subject...
US20100223980 Rapid integrity testing of porous materials  
The invention relates to a rapid recirculation based integrity testing of porous material and to an apparatus and system for performing the same.
US20100043532 ELECTRONIC LEVEL SENSOR AND TIMER BASED FALLING HEAD SOIL PERMEAMETER  
Determination of hydraulic properties such as porosity and permeability of soil is of paramount importance in hydrology and civil engineering. In order to achieve greater accuracy in determination...
US20140102177 MINIATURIZED FLOW-THROUGH CELL  
The present disclosure relates to a diffusion cell for testing the permeation of a compound(s) across a membrane. Also, the present disclosure relates to a method of manufacturing a diffusion...
US20090229347 SYSTEM FOR GAS PERMEATION TESTING  
A system for measuring gas permeation through container walls is disclosed, wherein a pressure fluid is introduced into a container to be tested. Once the pressure fluid is introduced into the...
US20060169027 Apparatus for accurately measuring permeation rates through polymeric pipes and uses thereof  
There is provided apparatus for measuring the permeation of liquid organic compounds within polymeric pipe. The apparatus includes flanges positioned at the open ends of the pipe, appropriately...
US20140202235 CARTRIDGE FILTER ROBUSTNESS TESTING  
A method includes providing at least one filter element in a test rig. The at least one filter element separates a clean side from a dirty side within the test rig. The pressure differential...

Matches 1 - 50 out of 233 1 2 3 4 5 >