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9038441 High speed helium leak detection system and method  
Improved high speed helium leak-detection system for storage tanks comprising a mobile enclosure for operation of electrical components of leak detection sensors in Class 1, Division 1, Group D...
9021866 Gas leak detector  
A gas-leak detector includes a suction pump that sucks sample gas and reference gas, two gas detection sensors, and a cell block having a cell therein. The cell receives the gasses and has two...
8997553 Leak testing device and method  
A leak testing device includes a body portion and a purge gas supply. The body portion defines a cavity. The cavity is operable to enclose a portion of a part to be leak tested. The body portion...
8997554 Method and apparatus for solid-liquid separation of drilling fluids for analysis  
A system and method for solid-liquid separation and analysis of drilling fluids is described. The method includes heating a retort body to a pre-determined temperature, with an inner wall of the...
8998170 Adapter for a capless fuel tank filler neck to test a fuel tank for leaks  
A filler neck adapter to be inserted through the open fuel mouth of a capless filler neck of a fuel tank of a motor vehicle. The adapter has a hollow flow body to create a continuous flow path...
8968568 Water filtration system  
A water or liquid substance filtration device is disclosed which removes microorganisms and organic contamination and sterilizes the containers and water lines after the unit. The unit is...
8950242 Testing hoses at increased pressure vessels  
A method and apparatus comprising a pressure vessel, a pressurization system connected to the pressure vessel, and a sensor system. The pressurization system may be configured to change a pressure...
8950243 Method of testing for leaks in a contained system  
A method of testing for leaks in a contained system with an interior containing system gas and system liquid at an operating pressure, the method comprising: pressurizing the interior of the...
8941509 Multiple and interchangeable meter reading probes  
A characteristic of a first utility meter is detected with a first probe head, and a characteristic of a second utility meter is detected with a second probe head. The characteristic of the first...
8931330 Method and device for detecting leaks in an underground liquid pipe, particularly a water pipe  
The invention relates to a method for detecting leaks in an underground liquid pipe (T), particularly a water pipe, into which a gas is fed through a diffuser (8) into the liquid of the pipe, the...
8925372 Method of testing a gas injector valve and a system for exercising the method  
Method of testing a gas injector valve for a combustion engine. The valve is placed in a holder (1) with a first chamber (2) and a second chamber (3), the valve spraying nozzle (11) being placed...
8921128 Method of manufacturing MEMS devices with reliable hermetic seal  
Manufactured capped MEMS device wafers are tested for hermeticity on a vacuum prober at differing pressures or on a wafer prober at differing temperatures. Resonant frequency testing is conducted....
8919184 Leak testing method and leak testing device for iodine filter  
A leak testing device for an iodine filter according to the present embodiment includes an iodine adsorption unit including an iodine filter provided in a chamber provided in a duct, to which flue...
8915122 Sniffing leak detector  
The invention relates to a sniffing leak detector comprising a sniffing line (11) and a feed line (33) that leads to a vacuum pump (16). A distribution point (24) from which a branch line (25)...
8893543 Leak detection method  
A leak detection method using a specimen filled with a test gas positioned in front of a suction opening. Air is suctioned along the entire surface of the specimen and takes up test gas in the...
8890698 Drainage circuit for draining liquid coming from a power plant of a rotorcraft, the circuit incorporating an appliance for monitoring an excessive flow of the liquid  
The invention relates to a drainage circuit (4) for a flow of a liquid (5), the circuit being fitted with a monitoring appliance (13) for monitoring an excess flow rate of the liquid (5). The...
8887586 Head space sampling device and method for detecting leaks in same  
The present invention relates to methods and systems for detecting leaks in a head space sampling device. One exemplary method for detecting leaks in a head space sampling device includes...
8881576 Test device for performing leak detection at a plurality of test sites  
The leak detection device comprises a plurality of measuring cells (10) in whose interior the absorption of a laser beam (17) is influenced by the presence of tracer gas. All of said measuring...
8875562 Filter and membrane defect detection system  
The present invention is directed to a method of locating leaks in a substrate (30) having a first and a second surface wherein the substrate (30) is adapted for preventing the flow of a fluid, or...
8869598 Methods and systems for monitoring a seal assembly  
A method for monitoring functionality of a seal assembly within an injector feed assembly is described. The method includes providing a buffer fluid to the seal assembly, measuring at least one of...
8843265 Turbo-charged engine purge flow monitor diagnostic  
A method for testing the evaporative emission system of a vehicle. The method provides for testing the evaporative emission system of a vehicle having a forced induction engine. The method...
8807391 Paint cartridge  
A paint cartridge includes a baggy tank having a dual structure formed by an inner bag and an outer bag in a cylindrical body. Inside the inner bag is a paint chamber. Between the outer bag and...
8806919 Leak detection apparatus and method  
A leak detector contains a pump that withdraws gas from a volume into which a tracer gas is leaking. The volume may also contain small amounts of air or other gas in addition to the tracer gas....
8786404 Multi-purpose protection system  
A multi-purpose protection system having a housing, an audio output device on the housing, an alarm activator on the housing, an external detector receptacle on the housing, an external audio...
8756978 Leak detector with optical tracer gas detection  
A leak detector comprises a cell provided with a tracer gas inlet preferably permeable to a tracer gas. In the cell, the tracer gas is caused to assume an energetically higher metastable state. By...
8737826 High pressure smoke machine  
There is provided a smoke generating device for use with a vaporizing material. The smoke generating device includes a housing defining an inner chamber configured to receive the vaporizing...
8720254 Device for detecting micro-leaks  
Micro-leaks are detected by means of a sniffer device including, in an original manner, a flat suction capsule (11) with divergent channels where the flow is regular, a resonant optical cavity...
8714236 Embedded heat exchanger for heating, ventilatiion, and air conditioning (HVAC) systems and methods  
A zone-control unit for use in a heating, ventilation, and air conditioning (HVAC) system, the zone-control unit includes a heat exchanger, an inlet piping assembly coupled with the heat exchanger...
8707765 Fuel vapor leak detection device  
A fuel vapor leak detection device for detecting a leakage of fuel vapor includes a pump which pressurizes or depressurizes insides of a fuel tank and a canister, a motor which drives the pump, an...
8689611 Leak detection system comprising a tracer gas mediating unit  
A system for detection of a leak at a leakage testing point of a test object by a tracer gas. A positionable tracer gas mediating unit has a tip. A marker is attachable at the leakage testing...
8662521 Upper coupler assembly and inspection method therefor  
Upper coupler assemblies for mounting coupling devices to trailers, and methods for inspecting upper coupler assemblies. The upper coupler assemblies include a housing having first and second...
8656758 Approaches for detecting leaks in a hard-disk drive (HDD) cover  
Approaches for a testing apparatus for evaluating a cover of a hard-disk drive. The testing apparatus may detect whether the cover has a defect that prevents the cover from being sufficiently...
8627710 Gas probe for sampling gas molecules from a fluid and a system comprising the gas probe  
A gas probe for sampling gas molecules from a fluid. A housing includes an orifice and is adapted to be arranged in gas communication with a test gas sensor. The probe includes a stack of layers,...
8621914 Respirator test accessory  
A test accessory for testing a variety respirators. The accessory is designed to compliment existing equipment to provide a robust assessment of respirator performance. The accessory may include a...
8616046 Hydrogen sensor  
A hydrogen sensor includes a housing, which is closed off by a membrane that is made of palladium and selectively only pervious to hydrogen. The housing is evacuated and contains a Pirani pressure...
8601858 Method for testing a mechanical integrity of an insulating layer covering a conductor in a cable  
A method for testing a mechanical integrity of an insulating layer covering a conductor in a cable, a longitudinal void being defined inside the insulating layer in a region of the conductor. A...
8555704 Calibration systems and methods for tracer gas leak detection  
Tracer gas leak detection is provided by a calibration system with a gas leak detector having a test port for receiving a sample containing a tracer gas and coupled to a vacuum pump; a calibrated...
8557589 Method for quantitatively determining the dye content in dyed oils  
A new method to determine by quantitative analysis the amount of dye present in dyed engine oils is provided. The method uses imaging techniques, such as spectrophotometry, and a combination of...
8549896 Vane pump and evaporation leak check system using the same  
A vane pump has an upper casing, a lower casing, a rotor and a motor. First to fourth points are defined on an outer peripheral end of a lower flat surface of the lower casing. The first point is...
8549895 Air filter leak inspection method  
An air filter leak inspection method is provided. First, an aerosol to be filtered containing particles is passed through an air filter having a first edge and a second edge. Next, a leakage...
8544315 At rest vacuum state for vacuum decay leak testing method and system  
A method and apparatus for leak testing of liquid and non-liquid filled rigid and semi-rigid nonporous containers wherein a container is enclosed in a conforming test chamber and subjected to...
8539818 Methods and systems for evaporative cooling infrared thermographic leak detection  
A method for leak testing a vessel is described. The method includes providing an environment within the vessel that is at a lower humidity than the environment surrounding the vessel, and using a...
8537019 Sniffing leak detector  
The sniffing leak detector comprises a sniffing probe, a suction device and gas detector. An operator-activated switch initiates the beginning of a measuring operation. The switch starts a time...
8528386 Sniffing leak detector according to the reference measurement principle  
A sniffing leak detector comprises a handle with a sniffing tip. Located at the sniffing tip is a measurement gas suction opening and a reference gas suction opening. The reference gas suction...
8511146 Portable apparatus for determining leaks in air ducts  
The disclosed portable apparatus for determining leaks in air ducts includes a wheeled cabinet having hand-graspable handles for transport. A front, covered equipment readout includes displays for...
8480763 Sealed battery and method for manufacturing the same  
A sealed battery includes a sealing plate 13 sealing a mouth of an outer can, an external terminal 16 attached to the sealing plate 13 and having a connecting terminal 23, and a current...
8465042 Upper coupler assembly and inspection method therefor  
Upper coupler assemblies for mounting coupling devices to trailers, and methods for inspecting upper coupler assemblies. The upper coupler assemblies include a housing having first and second...
8438908 Leak detection system and method  
A leak detector (1) adapted to detect a leak (40) of a first material by detecting a change in a physical/chemical property of a second material. The leak detector includes a quantum cascade laser...
8418530 Compositions and methods for detecting leaks in HVAC/R systems  
Compositions and related methods for detecting leaks in HVAC/R components such as furnaces, portable gas heaters, swimming pool heaters, air conditioners, heat pumps, refrigerators, freezers, and...
8413487 Compressor pressure measuring device  
A compressor pressure measuring device drives a compressor to operate for measuring its pressure. A positive pressure pipeline and a negative pressure pipeline are connected to the entry end and...