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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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7614281 |
Method and system for detecting a leakage in a pipeline or similar conduit
The invention concerns a method and a system for detecting a leakage in a pipeline ( 4 ) or similar conduit characterized by the use of an umbilical flexible tube ( 1 ) laid within and along said...
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7614280 |
Quantitative fit test system and method for assessing respirator biological fit factors
A quantitative fit test (QNFT) system and method for assessing the biological fit factor (FF) performance of respiratory protective devices. The biological QNFT system includes the following three...
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7613584 |
Methods, systems and computer program products for automatically detecting leaks in a hydrant fuel piping system
Methods, systems, and computer program products for automatically detecting leaks in a type III hydrant fuel piping system is described. In one embodiment, the method includes automatically...
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7607351 |
Acoustic impact detection and monitoring system
A system is disclosed for detecting and locating harmful impacts to pipelines using sensors placed along the pipeline. The exact spacing of sensors is site specific and is set with the goal of...
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7604017 |
Water ingress detection system
The present invention provides a water ingress detection system ( 1 ) suitable for use in indicating the ingress of water ( 12 ) onto a pipe ( 2 ) or vessel inside a casing ( 3 ), from outside. The...
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7603252 |
Method and apparatus for calculating effective volume of diesel particulate filter
A method for calculating the effective volume of a diesel particulate filter invention may include: determining whether regeneration efficiency exists; determining, if regeneration efficiency...
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7601537 |
Method of checking the hermeticity of a closed cavity of a micrometric component and micrometric component for the implementation of same
In order to check the hermeticity of a closed cavity of at least one micrometric component, said component includes a structure made over or in one portion of a substrate, a cap fixed to one zone...
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7600989 |
Leak detector comprising an inlet
A leak detector includes an inlet, a high-vacuum pump, and a test gas detector, which is connected to the entry of the high-vacuum pump. A backing pump is connected to an outlet area of the...
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7594426 |
M45 protective mask outlet valve adapter
An adapter to connect a portable testing device known as the Joint Service Mask Leakage Tester (JSMLT) to the outlet valve body of a protective mask such as the M45 mask for testing and validating...
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7594425 |
Methods and systems for integrity testing of porous materials
The invention relates to integrity testing of porous material using a plurality of gases and to an apparatus and system for performing the same.
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7587928 |
Leak inspection device
A leak inspection device comprises: a vacuum chamber 2 for accommodating a product 1 ; a vacuum pump 3 for discharging air from the vacuum chamber; a He gas bomb 4 for supplying and charging...
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7584651 |
Procedure to diagnose a leak in the fuel tank in a fuel tank ventilation system
A method of diagnosing a fuel tank leak in a fuel tank ventilation system, comprising a fuel tank, an accumulator for fuel vapors and a fuel tank ventilation valve opening out into an intake...
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7581431 |
Gas leak detection device and method for same
A gas leak detection device for a fuel cell system equipped with a main valve (SV 1 ) in a fuel gas supply source ( 11 ), comprising a shutdown valve (SV 2 ) provided in a fuel gas supply channel...
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7581426 |
Test adapter for aircraft static vent
An adapter to test the static vent of aircraft instrumentation is provided. The test adapter comprises an adapter assembly and a seal holder. The adapter assembly comprises a plurality of prongs...
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7578169 |
Method and apparatus for continuously monitoring interstitial regions in gasoline storage facilities and pipelines
An underground storage system includes a primary containment unit and a secondary containment unit arranged to sealingly encompass the primary containment unit. The underground storage system...
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7575015 |
Secondarily contained in-dispenser sump/pan system and method for capturing and monitoring leaks
An in-dispenser leak pan provided inside the housing of a fuel dispenser. The leak collection chamber collects any fuel that leaks from fuel-handling components located inside the fuel dispenser...
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7574911 |
Remote fire extinguisher station inspection
An apparatus for remote inspection of fire extinguishers at one or a system of fire extinguisher stations includes, e.g., at each fire extinguisher station: a detector for lack of presence of a...
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7574897 |
Device for detecting leakage of liquid in tank
A device for detecting leakage of liquid in a tank, capable of detecting the leakage at high accuracy and sensitivity for a wide range of a leakage quantity. A flow rate sensor section attached to...
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7574896 |
Leak detection and control
Fluid leaks can be detected and controlled in a pressurized piping system. Apparatus for this includes control logic; in communication with the logic, a flow detector and/or a pressure detector,...
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7569182 |
Filter assembly for a reprocessor
The present invention provides a method of operating a reprocessor that has a chamber for receiving items to be sterilized. The reprocessor is filled with water that has passed through a first and...
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7565830 |
System, methods, and compositions for detecting and inhibiting leaks in engine oil systems
System, methods, and compositions are described for detecting and inhibiting leaks of an engine oil system. The composition may include an engine oil system sealant and a light activated compound....
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7561057 |
Method and apparatus for detecting severity of water leaks
A system for detecting water leaks is described. In one embodiment, the system includes a plurality of sensors, selected from a moisture sensor, a water level sensor, and/or a water temperature...
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7559232 |
Vacuum turntable system for leak testing melt blown bottles
A machine for leak testing melt blown bottles includes a base plate and is provided with a vacuum. The machine includes a turntable assembly, which has an inner ring fastened to the base plate. The...
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7559231 |
Leak inspection device
In an inspection device in which a leakage of He gas from a product 1 is detected when He gas is pressurized and charged into the product 1 accommodated in a vacuum chamber 2, a variable...
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7555936 |
Hydraulic hose with integral life-sensing capability and method therefor
A system and method for predicting structural failure of a wall of a fluid containment vessel, such as a hydraulic hose or other type of pressurized conduit of types used in mobile machinery,...
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7555935 |
End-of-line zone integrity detection for a piping network in a secondary containment monitoring and leak detection system
An end-of-zone or line sensor placed at the end of a secondarily contained fuel piping(s) or network(s). The interstitial space of the piping network is coupled to a vacuum-generating source that...
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7552623 |
Enhanced leak detection dye carrier
A leak detection dye carrier is formed using a two-stage process ( 53 ). In a first stage, the dye carrier ( 52 ) is saturated with a mixture ( 54 ) of a dye powder and an evaporable solvent, such...
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7552622 |
System for monitoring the health of electrical generators and method thereof
A method and apparatus is provided for a system for maintaining hydrogen purity in an electrical power generator where the system monitors the health of the electrical generating system by...
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7549338 |
Nanostructure sensor of presence and concentration of a target molecule
Method and system (i) to determine when a selected target molecule is present or absent in a fluid, (2) to estimate concentration of the target molecule in the fluid and (3) estimate possible...
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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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7540183 |
Methodology of monitoring a device to ascertain gas leakage therefrom
Provided is a method of monitoring a device to ascertain leakage of the gas there from. An area in the vicinity of the gas is illuminated with ultraviolet light, thereby causing the gas or its...
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7536900 |
Leak detector and leak detecting system using the same
A leak detecting system includes a leak detector that detects leakage of liquid stored in a tank based on fluctuation in a level of the liquid. The leak detector includes a liquid inlet/outlet...
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7536251 |
Motor vehicle and control method of motor vehicle
In a hybrid vehicle of the invention, when a voltage level E of a low-voltage battery exceeds a preset alert reference value Eth 1 (step S 115 ), fueling control activates a negative pressure pump...
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7527065 |
Double-walled flexible dispenser sump connection system
A double-walled flexible dispenser sump connection system prevents fuel leaks into a dispenser sump located below a fuel dispenser. An inner flexible connector and an outer flexible connector are...
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7526944 |
Remote monitoring of pipelines using wireless sensor network
A wireless sensor network is installed inside pipelines using sensors and wireless transceivers that are small, low-cost, and rugged. The objective is monitoring the pipeline and recommending...
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7523667 |
Diagnostics of impulse piping in an industrial process
Diagnosing operation of an impulse piping line in an industrial process is provided. A vibration source transmits a vibration signal through the piping and a vibration signal receiver receives 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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7520918 |
Method and system for identifying and repairing defective cells in a plugged honeycomb structure
A method and system for detecting defects in a plugged honeycomb structure includes forming a sheet of light having a first color across a first end face of the honeycomb structure, generating a...
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7520295 |
Capillary carrier with leak supervision
In a capillary carrier with an inlet and an outlet, a channel is formed and extends between the inlet and the outlet. At least one capillary tube is arranged within the channel, and sealing...
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7516649 |
System and method for determining duct leakage and fan flow efficiency
A system and method for determining “real time” air leakage from a duct involves an airflow meter for taking airflow measurements at the inlet and at the outlet of the duct. Also included is a...
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7516648 |
Apparatus and methods for leak detection in bioprocessing bags
An apparatus detects a leak of an electrically conductive fluid from a disposable plastic bag used in mixing applications, such as during bioprocessing in a sterile environment. In one embodiment,...
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7513141 |
Method for differentially pumping endblock seal cavity
A system for providing a seal between a rotating part and a stationary part that comprises two seals in series separated by a cavity is disclosed. The cavity may be at low pressure and failure of...
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7512207 |
Apparatus for delivering a tool into a submerged bore
An apparatus for delivering a tool into a nuclear reactor jet pump submerged in a reactor pool includes a frame, and a propulsion unit for controlling the movement of the tool delivery apparatus...
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7509841 |
Flexible leak detection system and method for double carcass hose
A fluid leak detection system mounts to a hose line segment of the type comprising at least an inner carcass and an outer containment carcass separated from the inner carcass by a collection space....
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7503205 |
Redundant vacuum source for secondary containment monitoring and leak detection system and method
A redundant vacuum-generating source system and method for generating and/or maintaining a vacuum level in a secondarily contained fuel-handling component that is monitored for leaks. The...
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7500384 |
Method for controlling the sealing of a tank on an aircraft
In a process for controlling a tank of an aircraft in flight configuration, provided with at least one filling fitting and at least one purge fitting, a detection gas supply is connected to at...
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7500382 |
Detection of leaks in heat exchangers
A method for the detection of leaks in a heat exchanger having discrete flow paths for working fluid and heat exchange fluid, respectively, the method comprises introduction of a detection fluid...
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7500381 |
Systems and methods for trace gas leak detection of large leaks at relatively high test pressures
Trace gas leak detectors and methods for trace gas leak detection of large leaks at relatively high test pressures are provided. A trace gas leak detector includes a test port to receive a sample...
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7498817 |
Method of nondestructive tightness testing based on gas discharge visualization
A method of nondestructive noncontact tightness testing of inner structure of articles based on gas discharge visualization includes the steps of providing a film for imaging on a dielectric plate...
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