Class / Patent application number | Description | Number of patent applications / Date published |
073490200 | Receptacle | 84 |
20080196482 | Method and Apparatus For Detecting Tank Leaks - Method and apparatus for detecting tank leaks, in which a gas pressure acts on a fluid which is situated in a tank, and in which the gas pressure in the tank or tank system is changed, wherein a tank leak is detected by evaluation of a temporal profile of a sum pressure of the fluid which is situated in the tank. | 08-21-2008 |
20090025455 | Leak Characterization Apparatuses and Methods for Fluid Storage Containers - According to the invention, an apparatus to characterize leaks in a fluid storage container is disclosed. The apparatus may include a valve coupler, a gas manifold and a processor. The valve coupler may couple the apparatus with a closed valve on the fluid storage container. The gas manifold may be coupled with the valve coupler and may include a first branch connected with a gas monitoring device. The gas monitoring device may scan for a plurality of gases that may be emitted by the closed valve of the fluid storage container. The processor may be operable to receive gas monitoring device data representing masses for one or more of the plurality of gases detected by the monitor. | 01-29-2009 |
20090025456 | Leak Characterization Apparatuses and Methods for Fluid Storage Containers - An apparatus for determining a leak rate of a gas from a closed valve is disclosed. The apparatus may include a vacuum pump, a pressure measuring device, a monitoring device, and a computer. The vacuum pump may be configured to couple downstream of the closed valve and decrease the pressure of the downstream side of the closed valve. The pressure measuring device may be configured to couple with the downstream side and determine the pressure. The monitoring device may be configured to couple with the downstream side and monitor a gas, where the gas may be emitted from the closed valve and be characterized by a mass. The monitoring device may further be configured to determine the mass. The computer may be configured to control the vacuum pump based on the pressure, and determine the leak rate of the gas based at least in part on the mass. | 01-29-2009 |
20090100910 | ADDITIONAL CONTAINMENT SYSTEM FOR STORAGE TANK - An additional containment system for a fluid containment vessel includes an outer section, an inner section, and a monitoring system. A plurality of independent and distinct zones of interstitial space are positioned between the outer section and the inner section. The monitoring system is connected to and separately monitors a pressure in each of the zones. A divider plate is attached to both the inner section and the outer section and divides a first zone from a second zone. Upon detecting a leak, the monitoring system provides an indication as to the leak being in the outer section or in the inner section, and upon detecting a leak, the monitoring system also provides an indication as to which of the zones the leak is detected. | 04-23-2009 |
20090320565 | Method and apparatus for providing leak-before-burst failure of a pressurized component - In a pressure vessel, pressure fitting, or pressure component, service use may result in the propagation of fatigue cracks. According to embodiments, a leak channel may be designed and formed to cause a pressurized fluid nominally contained by the pressure member to leak after formation of a fatigue crack, rather than undergoing a more catastrophic burst failure. According to an embodiment, a method is taught for determining the propensity of fatigue cracks to form, determining the location of the possible fatigue cracks, and determining a location for a leak channel, leak hole, weep hole, etc. for preventing burst failure. According to an embodiment, a computer program performs steps to design leak channels for prevention of burst failures in favor of leak-before-burst (LBB) failures. | 12-31-2009 |
20090320566 | Systems and Methods for Monitoring the Integrity of a Tank - A conduit is connected to the interstice between an outer and inner wall of a storage tank or the liner thereof and may be used to monitor the integrity of the interstice. The conduit comprises a coupling in fluid communication with the interstice, a tube connected at one end to the coupling and having a length sufficient to extend into a riser pipe of the tank. The conduit may also include a bushing holding the tube apart from the tank and providing for the variable positioning of the tube with respect to the tank. A method of monitoring the integrity of the interstice uses monitoring equipment connected to the conduit. | 12-31-2009 |
20100058838 | Sensor for Detecting Surface Cracks in an Article - A laminated sensor comprises a base stratum and a terminal stratum. The base stratum has a first surface that is affixed to a surface of a structure to be monitored. The terminal stratum is affixed to the opposite second surface of the base stratum. A connector is attached to the terminal stratum. The base stratum is provided with first and second channels and that are cut through the thickness of the base stratum. The terminal stratum is provided with holes that extend through the thickness of the terminal stratum. A first pair of the holes are positioned to register with the first channel, while a second pair of the holes are positioned to register with the second channel. A first conduit is formed by the first channel and the holes; while a second conduit is formed by the second channel and the holes. The connector connects with tubes to provide fluid communication between the conduits and a differential pressure monitoring system. | 03-11-2010 |
20100095747 | Method and Device for Testing the Tightness of a Fuel Tank of an Internal Combustion Engine - The invention relates to a method and a device for testing the tightness of a fuel tank of an internal combustion engine, in particular of a vehicle, with a pressure switch which communicates with the interior of the fuel tank, and a diagnosis means for testing the serviceability of the pressure switch by evaluating the switching status of the pressure switch. So that diagnosis of the pressure switch is possible even with the internal combustion engine shut off or the vehicle turned off and for internal combustion engines with exhaust gas turbochargers, it is proposed, according to the invention, that the diagnosis means test the opening behavior of the pressure switch when the temperature rises. | 04-22-2010 |
20100132437 | METHOD FOR CONTROLLING A HOMOGENEOUS BATCH OF PRESSURISED FLUID CYLINDERS - The invention relates to a method for controlling a homogeneous batch ( | 06-03-2010 |
20110061449 | ELECTRONIC DEVICE - According to one embodiment, an electronic device includes an airtight container, a functioning unit, and an airtightness detection unit. The airtight container has a containment space capable of being sealed airtightly. The functioning unit is stored in the containment space. The functioning unit is capable of executing a prescribed function. The airtightness detection unit is stored in the containment space. The airtightness detection unit is capable of detecting an airtightness of the containment space. | 03-17-2011 |
20110239742 | APPARATUS FOR TREATING A MEDICAL LIQUID, AND METHOD FOR CHECKING THE LEAKTIGHTNESS OF THE APPARATUS - The invention relates to an apparatus for treating a medical liquid which includes a treatment machine having a coupling surface and a flexible mat arranged on the coupling surface, with a cassette made of a hard part having liquid-conducting passages which are covered by a flexible film being able to be coupled to the coupling surface of the treatment machine via the flexible mat. In accordance with the invention, the apparatus for making possible the monitoring of a fault-free coupling to the cassette at the coupling surface is made such that a pressure difference of the pressure can be determined between the cassette and the flexible mat and of the pressure between the mat and coupling surface. The invention furthermore relates to a method for the checking of the leak tightness of the aforesaid apparatus. | 10-06-2011 |
20120024045 | SYSTEM AND METHOD FOR TESTING FUEL TANK INTEGRITY - The invention relates generally to a system and method for testing fuel evaporative systems, and more particularly to a stand-alone tank tester system (and method) for testing vehicle fuel tank integrity. Furthermore, a self-contained calibration tank with switchable leak sizes for calibrating the tank tester to multiple leak sizes is provided. Constant flow and vacuum methods for testing fuel tank integrity are also provided. | 02-02-2012 |
20120111095 | Heat Exchanger Integrity Testing - The invention relates to the integrity testing of a heat exchanger numeral | 05-10-2012 |
20130180318 | SYSTEMS AND METHODS FOR DETECTING AND COMMUNICATING MOISTURE LEAKS IN FLUID CONDUITS - A system for detecting and communicating moisture leaking from a fluid conduit of the type comprising a fitting configured to mate with the fluid conduit, the fitting including an outer surface including an outer edge portion that is enclosed within the fluid conduit when positioning the fluid conduit over at least a portion of the outer surface, wherein the system includes a sensor for detecting moisture, the sensor being positioned proximate to the outer edge portion of the fitting and configured to generate a signal representing a result of moisture detection, and a receiver configured to receive the signal generated by the sensor. The system may include a communication circuit to provide wired or wireless communication between the sensor and the receiver. Other systems and method for detecting and communicating moisture leakage are further disclosed herein. | 07-18-2013 |
20130186182 | LEAK INSPECTION DEVICE AND LEAK INSPECTION METHOD - A leak inspection device for inspecting leaks from a work by sealing a gas inside the work or sucking the gas therefrom includes: a depressurizing device that reduces the pressure of the gas inside the work; a pressurizing device that pressurizes the gas inside the work; a temperature sensor that detects the temperature of the work; a pressure sensor that detects the pressure of the gas inside the work; and a controller. The controller calculates the saturation vapor pressure at the same temperature as the temperature of the work, controls the depressurizing device to thereby reduce the pressure of the gas inside the work to the saturation vapor pressure, sucks the water vapor that has vaporized inside the work, controls the pressurizing device to thereby seal the gas inside the work and pressurize the gas inside the work until the temperature of the work detected by the temperature sensor reaches a predetermined temperature. | 07-25-2013 |
20130263648 | VALVE DEVICE AND FUEL-VAPOR LEAK DETECTION DEVICE USING THE SAME - A valve device includes a first valve body including a first seat portion that defines a first opening, a shaft reciprocatable in a direction of a center axis of the first opening, and a first valve member supported by the shaft to contact or be separated from the first seat portion in accordance with the reciprocation of the shaft. The first valve member contacts the first seat portion in an entire circumference of the first seat portion with deforming elastically due to a force from the first seat portion when the first valve member contacts the first seat portion in a state where a reciprocation direction of the shaft is inclined from the center axis of the first opening. Accordingly, air sealing of the valve device can be ensured even when the reciprocation direction of the shaft is inclined from the center axis of the first opening. | 10-10-2013 |
20130312495 | METHOD AND SYSTEM FOR QUICKLY DETECTING AN ABSENCE OF A LEAK IN A FUEL SYSTEM - It is proposed a method for detecting rapidly an absence of a leak in a fuel system mounted on board of a vehicle, the fuel system comprising a pressure sensor adapted to measure pressure comprised within a predetermined working range of pressure. The method is such that it comprises the steps of:
| 11-28-2013 |
20130312496 | System and Method of Implementing a Low Pressure Charcoal Canister - A portion of a fuel system of a vehicle is disclosed. The portion of the fuel system includes an evaporative emissions leak check system selectively fluidly-connected to an evaporative emissions system. The evaporative emissions leak check system includes a vacuum source. The evaporative emissions system includes a canister and a first fluid conduit fluidly-connecting the canister to the fuel tank. The portion of the fuel system also includes a vent valve that demarcates the first fluid conduit to include a first fluid conduit segment extending from the canister and a second fluid conduit segment extending from the fuel tank. The arrangement of the vent valve in an open orientation permits fluid communication of the canister with the fuel tank by way of the first fluid conduit. The arrangement of the vent valve in the closed orientation fluidly-isolates the canister from the fuel tank. A method is also disclosed. | 11-28-2013 |
20140083169 | TEST SYSTEM AND METHOD FOR FLEXIBLE CONTAINERS - A portable test device and related method are disclosed for conducting integrity testing of flexible containers. The test is particularly useful for testing aseptic flexible film bags in a manner that maintains the sterile nature of the container and removes crinkles by inflating the containers to remove crinkles and establish an inflation set point. The decay in pressure is measured over a predetermined period of time; if pressure loss does not exceed a predetermined threshold the integrity of the bag is confirmed and it can be filled without further manipulation of the container that may result in introducing flaws. | 03-27-2014 |
20140083170 | TEST SYSTEM AND METHOD FOR FLEXIBLE CONTAINERS - A portable flexible container integrity test device for conducting integrity testing of flexible containers is disclosed. The test device is particularly useful for testing aseptic flexible film bags in a manner that maintains the sterile nature of the container and removes crinkles by inflating the containers to remove crinkles and establish an inflation set point. The test device includes a programmable logic controller (PLC), a pressure transducer in electronic communication with the PLC, a power source configured to provide electrical power to the PLC, a blower in electronic communication with the PLC, a gas delivery pathway in selective fluid communication with the blower, and a human/machine interface in electronic communication with the PLC. The device is portable and configured to fluidly connect to a flexible container via the gas delivery pathway. | 03-27-2014 |
20140116115 | METHOD AND DEVICE FOR INSPECTING FLEXIBLE CONTAINER - A method for testing a flexible container includes arranging the flexible container on a winding core that can be rotated about a winding axis W and forms an internal support. The method continues by winding the flexible container around the winding axis W arranging an external support around the wound container and connecting at least one container opening of the container to a fluid source. The method proceeds by filling the container with a fluid from the fluid source to generate a predetermined positive pressure P1 in the flexible container at a first time T | 05-01-2014 |
20140130578 | METHOD AND APPARATUS FOR CONTINUOUSLY MONITORING INTERSTITUAL REGIONS IN GASOLINE STORAGE FACILITIES AND PIPELINES - An underground storage system includes a primary containment unit and a secondary containment unit. The underground storage system further includes a leak detection system which is fluidly connected to the secondary containment system, and which is adapted to detect fluid leaks in the primary containment system and the secondary containment system. | 05-15-2014 |
20140165707 | TEST METHOD AND APPARATUS FOR BIOREACTOR CONTAINERS AND USE - A method for testing the integrity of a bioreactor container includes providing a bioreactor container having a fluid-tight, at least locally flexible wall and having at least one container opening and providing a test apparatus having a bioreactor container compartment and a fluid-permeable and/or structured reception sheet arranged replaceably on the bioreactor container compartment. The method continues by arranging the bioreactor container in the bioreactor container compartment so that the bioreactor container wall contacts the reception sheet in the bioreactor container compartment, connecting the container opening of the bioreactor container to a fluid source filling the bioreactor container with a fluid from the fluid source to generate a predetermined positive pressure Pi in the bioreactor container at a first time Ti and determining whether the bioreactor container is sufficiently leaktight. | 06-19-2014 |
20140260556 | SYSTEM, METHOD, AND APPARATUS FOR UTILIZING A PUMPING CASSETTE - The present invention involves, in some embodiments, fluid handling systems and methods for pumping fluid to and from a patient. The system and methods in certain embodiments involve a pumping cartridge and a reusable component configured to mate with the pumping cartridge comprising. The reusable component may comprise a control chamber and a pressure transducer configured to measure a gas pressure associated with the control chamber, and may further include a processor configured to supply the control chamber with a gas at a predetermined pressure, open the pump chamber to the surroundings, monitor the gas pressure associated with the control chamber using the pressure transducer over a predetermined period of time, and determine if the change in gas pressure exceeds a predetermined limit. | 09-18-2014 |
20140338428 | WATER LEAK EARLY DETECTION SYSTEM AND METHOD - An early leak-detection warning system is disclosed, including an early leak-detection device having a processor operably configured to execute instructions for monitoring a reservoir for a potential undetected leak. The early leak-detection device determines a rate of water loss for the reservoir; determines an expected rate of water loss for the reservoir based on at least one predetermined factor; and compares the rate of water loss to the expected rate of water loss. In response to the rate of water loss exceeding the expected rate of water loss by a predetermined threshold, the system determines that there may be a leak associated with the reservoir. | 11-20-2014 |
20150059445 | CONTAINER COVER TO CLOSE A TRANSPORTER AND/OR STORAGE CONTAINER - The object of the invention is a container cover ( | 03-05-2015 |
20160069770 | METHOD AND DEVICE FOR TESTING THE TIGHTNESS OF LARGE-VOLUME CONTAINERS - A method for testing tightness of container includes placing a bell-shaped test head over a mouth of the container, sealing the container against the test head, accommodating at least a portion of the container in a testing chamber within the test head, increasing a pressure difference between a pressure within the testing chamber and an internal pressure of the container, identifying evidence of matter exiting the container and entering the testing chamber. Typical evidence includes emergence of filling substance into the testing chamber and/or foaming of the filling substance in the testing chamber. Identifying such evidence includes using a camera to monitor either the region of the container or the test chamber for the evidence. | 03-10-2016 |
20160084207 | Method For Monitoring For A Rupture In A Fuel Vapor Container - A method for monitoring for a rupture in a storage element of a fuel tank system having a fuel tank includes: detecting, by a mass flow sensor, thermal conductivity of an unmoved air mass in a first line of the fuel tank system; and identifying a rupture in the storage element if the detecting by the mass flow sensor detects a change in the thermal conductivity of the unmoved air mass in the first line when a second valve is in a closed state and/or when an air pump is at a standstill. | 03-24-2016 |
20160091389 | Systems and Methods for Sample Characterization - The present disclosure relates to systems and methods for determining an integrity of a sample chamber. In certain embodiments, formation fluid is collected from a subterranean formation within a sample chamber disposed in a downhole tool, the downhole tool is withdrawn from a wellbore, an estimated surface pressure of the collected formation fluid is determined, the estimated surface pressure of the collected formation fluid is compared with an actual surface pressure of the sample chamber, and the integrity of the sample chamber is determined based on the comparison of the estimated surface pressure and the actual surface pressure. | 03-31-2016 |
20160167510 | Fuel Tank System | 06-16-2016 |
20160252421 | Indicator for Proving Tightness of Seals in a Packaging Consisting of at Least Partially Light Permeable Thermoplastic Film | 09-01-2016 |
20180024026 | System And Method For Integrity Testing Of Flexible Containers | 01-25-2018 |
20190145702 | AUTONOMOUS SEAL MONITORING FOR A REFRIGERATION UNIT | 05-16-2019 |
073490300 | Sealed | 51 |
20080202213 | SYSTEM AND METHOD FOR SELF-VERIFICATION OF SAFE STORAGE WITHIN HERMETICALLY SEALED CONTAINERS - A system to first verify an adequate degree of hermeticity of a hermetic container in providing safe storage of a commodity by retaining sufficient hermeticity in a closed container and if satisfactory, loading a commodity in the container to self-verify the continued safe storage of the commodity by retaining sufficient hermeticity to protect the commodity from the effects of at least one of oxygen, humidity, insects and microflora in a hermetic container on the commodity therein. The hermetic container has at least one self-verifying component for measuring a parameter internal to the container, during and after manufacture, before and after placement of a commodity therein, and for providing the measurement externally to the container. | 08-28-2008 |
20080276693 | METHOD FOR LEAK TESTING AND LEAK TESTING APPARATUS - For leak testing closed containers ( | 11-13-2008 |
20080282775 | CHAMBER SEALING VALVE - According to some embodiments, a test fluid may be provided into a chamber associated with a cooling system for an electronic integrated circuit. Moreover, a valve may be partially inserted into an opening of the chamber to seal the chamber. The valve may include a first sealing portion to seal the chamber at the opening when the valve shaft is inserted the first distance. The valve may then be inserted an intermediate distance, between the first distance and a second distance, to unseal the chamber. Note that the valve may include a second sealing portion, offset from the first sealing portion, to seal the chamber at the opening when the valve is inserted the second distance. The valve may further define a passage, between the first and second sealing portions, to permit a flow of the test fluid when the valve is inserted the intermediate distance. | 11-20-2008 |
20090000355 | Device for Measuring the Permeation of a Hollow Body Such as a Container - Device for measuring the permeation of a hollow body provided with an opening such as a neck in particular, this device comprising a chamber in which the follow body is placed, on a support; this hollow body, when placed on its support, together with the chamber defining an internal space and an external space, the device being provided with means for providing sealing between the internal space and the external space, the sealing means comprising three seals, namely a first seal, a second seal termed the intermediate seal, and a third seal, these three seals being housed in grooves belonging to the body of the support, these seals projecting from the side edge of the support and being able and configured to bear against the internal face of the opening of the hollow body; the body of the support, the opening of the object and the seals thus define two spaces positioned between the internal space and the external space, a first space being bordered by a first seal and an intermediate seal, the second space being defined by the intermediate seal and a third seal. | 01-01-2009 |
20090025457 | METHOD FOR LEAK TESTING AND LEAK TESTING APPARTUS - For leak testing closed containers ( | 01-29-2009 |
20090241644 | STERILE SYRINGE LEAK TESTING METHOD AND MACHINE - Described is a leak testing method for disposable sterile syringes ( | 10-01-2009 |
20090249865 | MECHANICAL SEAL DEVICE - A mechanical seal device capable of preventing a sealing ability from being lowered by the irregular displacement of the seal surface of a sealing ring and by the deterioration of a packing for sealingly fitting the sealing ring by heat generated due to its slidable contact with the sealing ring. The mechanical seal device comprises the rubberlike elastic material annular packing having a joining face fitted peripheral surface (inner peripheral surface ) of a stepped hole and an adhesive face on the inner peripheral side of the joining face and having an insertion tip part at its insertion tip inserted into the fitting peripheral surface and the sealing ring for fixing having a fitting surface joined to the adhesive face of the packing, a rear surface fitted to the support face (bottom face ) of the stepped hole, and a seal surface on the opposite side of the rear surface. With the rear surface joined to a support surface, a space part is formed between the insertion tip part and the opposite surface thereto on the support surface side. The packing is inserted into the space part to fit the rear surface onto the support face by the elastic force of the packing. | 10-08-2009 |
20090266148 | SEAL CHECKER - A seal checker for conveying and pressing a packaging bag by upper and lower conveyance units is provided which is capable of saving space with a compact structure, and is also capable of improving maintainability and cleanability. A lower transfer conveyor is mounted on a main body frame, and an upper transfer conveyor is supported by an elevating mechanism mounted to the main body frame. The elevating mechanism includes first and second link members and a frame that connects upper end portions of the link members to each other. Lower portions of the first and second link members are connected to the main body frame. The frame is configured so as to move in parallel with the lower transfer conveyor. | 10-29-2009 |
20090272177 | Seal Section Assembly Mechanical Face Seal Integrity Verification Tool - A test device for testing the integrity of a seal has a clear t-shaped liquid reservoir with three ends. A guide adapter is connected to the first end of the liquid reservoir and extends axially therefrom along an axis of the reservoir. A shaft adapter is connected to the second end of the body, opposite the first end. A test shaft with first and second ends extends axially through the first and second ends of the body and test and shaft adapters along the axis. The first end of the shaft is adapted to be connected to the rotating shaft of pump assembly. | 11-05-2009 |
20090288478 | METHODS FOR MANUFACTURING UNLEAKY CLOSED CONTAINERS AND LEAK TESTING APPARATUS - In a leak testing apparatus and a method for manufacturing unleaky closed containers having first and second flexible wall areas with different flexibility characteristics, a biasing member is moved toward and onto the first flexible area and a force detector monitors a biasing force at the second flexible area. A container is considered unleaky if a difference signal from force measuring signals at first and second points in time fulfills a test criteria. Sampling the biasing force monitored which results in the first force measuring signal includes determining maximum biasing force signal value which occurs during a time span up to and including the first point in time. | 11-26-2009 |
20100064779 | METHOD OF CHECKING THE HERMETICITY OF A CLOSED CAVITY OF A MICROMETRIC COMPONENT AND MICROMETRIC COMPONENT FOR THE IMPLEMENTATION OF THE 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 of the substrate to protect the structure, and an indicator element whose optical or electrical properties change in the presence of a reactive fluid. The indicator element may be a copper layer for an optical check or a palladium resistor for an electrical check. The micrometric component is placed in a container which is then hermetically closed. This container is filled with a reactive fluid under pressure, which is oxygen for the optical check and hydrogen for the electrical check. The component in the container is subjected to a reactive fluid pressure higher than 10 bars for a determined time period, and to thermal (T>100° C.) or optical (λ<500 nm) activation. After this time period, an optical or electrical check of the indicator element determines the hermeticity of said cavity. | 03-18-2010 |
20100095748 | NON-DESTRUCTIVE TEST APPARATUS - The present invention provides a non-destructive test apparatus which can be applied not only to a structure in dry conditions but also to a structure constructed under water or in a location to which it is difficult for a worker to gain access. The non-destructive test apparatus includes a support frame which is disposed adjacent to the target structure and has a vertical guide rail, and a vacuum box which moves upwards or downwards along the guide rail of the support frame. The vacuum box is attached to the target structure and creates a vacuum therein. The non-destructive test apparatus further includes a hoist which is provided on the upper end of the support frame to move the vacuum box upwards or downwards, a fastening unit which fastens the support frame and the vacuum box to the target structure, and a vacuum pump which creates a vacuum in the vacuum box. The non-destructive test apparatus further includes a defect detecting unit which measures a strength of vacuum in the vacuum box to determine whether the target structure is defective, and a control unit which controls the elements. | 04-22-2010 |
20100154517 | Apparatus and Method of Detecting Microchip Hermeticity - A microchip system has a package forming a hermetically sealed interior, and MEMS structure within the interior. The system also has a gas sensor for detecting the concentration of at least one of oxygen or hydrogen within the interior. | 06-24-2010 |
20100170326 | LEAK DETECTION IN COMPOSITE TOOLS - A device for detecting an air leak in a tool comprises a vacuum bag and a leak detection film disposed along an inside face of the vacuum bag. The leak detection film may include oxygen sensitive material configured to change physical appearance at a location of an air leak in the tool. A breather layer may be interposed between the tool and the leak detection film for facilitating air flow therebetween. | 07-08-2010 |
20100180670 | Device for testing the performance of a sealant for SOFC stacks - An apparatus is disclosed for testing the performance of a sealant for solid oxide fuel cell packs. The apparatus includes an oven including a base, a platform provided on the base and a frame connected to the platform. An elevator is used to raise and lower the oven. A pressuring and testing chamber is provided on the platform. The pressuring and testing chamber includes a first body and a second body connected to the first body. A carrier is provided between the first and second bodies. The carrier includes a first plate and a second plate so that the sealant can be provided between the first and second plates. A pusher includes an end connected to the frame and another end for pushing the second plate. A pusher-driving unit is connected to the frame for raising and lowering the pusher. | 07-22-2010 |
20100251805 | METHOD FOR LEAK TESTING AND LEAK TESTING APPARATUS - For leak testing closed containers ( | 10-07-2010 |
20100257919 | METHOD AND APPARATUS FOR INSPECTING PINHOLE IN SYNTHETIC RESIN BOTTLE - Provided is a pinhole inspecting method for suitably inspecting a pinhole in a bottle compared with conventional pinhole inspection. A reference inner pressure (P | 10-14-2010 |
20100326173 | METHOD AND APPARATUS FOR TESTING FILLED AND SEALED CONTAINERS - A testing method comprising introducing into a pressure chamber ( | 12-30-2010 |
20110061450 | METHOD FOR LOCATING PRESSURE LOSSES IN VACUUM BAGS - Method for locating pressure losses in vacuum bags used in the manufacturing of composite material parts, according to which the vacuum bag with a part in its interior coated by airweave at a pressure lower than atmospheric pressure, is exposed to contact with a gas dispersion at atmospheric pressure of solid suspended tracing particles, preferably tar, which in the event of there being pressure losses in the vacuum bag, are deposited in the airweave areas close to them. The contact between the vacuum bag and the gas dispersion is performed preferably through an applier of said gas dispersion over the vacuum bag through an application device, either in open surroundings or in closed surroundings such as an autoclave. | 03-17-2011 |
20110146386 | Package Leak Detection - Systems, methods, and apparatus are provided for detecting improperly sealed portions of sealed packages. For example, in one embodiment, a package leak detection system automatically provides pressure within a tank for a predetermined period of time. The tank is at least partially filled with colored fluid with a sealed package being at least partially submerged in the colored fluid. In the tank, the pressure inside the tank forces the colored fluid into improperly sealed portions of the sealed package. After the predetermined period of time has elapsed, the package leak detection system automatically shuts off the package leak detection system and releases the pressure within the tank so the sealed package can be inspected for potential leaks. | 06-23-2011 |
20120079873 | LARGE LEAK DIAGNOSTIC TOOL FOR A SEALED FUEL SYSTEM IN A VEHICLE - A vehicle includes a sealed fuel system and a controller. The fuel system includes a fuel tank, a fuel cap, a control orifice, and an absolute pressure sensor. The controller associates a threshold large leak in the fuel system with a fuel cap sealing error. The controller detects completion of a prior refueling event, compares measurements from the pressure sensor to a reference vacuum across the control orifice to determine the presence of the threshold large leak, and sets a diagnostic code corresponding to the large leak only upon completion of the prior refueling event. A method for detecting the large leak includes detecting completion of the refueling event, comparing vacuum measurements from the absolute pressure sensor to a reference vacuum across the orifice to determine the presence of the large leak, and setting a diagnostic code corresponding to the large leak only upon completion of the prior refueling event. | 04-05-2012 |
20120111096 | INTEGRATION MANUFACTURING PROCESS FOR MEMS DEVICE - A method for manufacturing an MEMS device is provided. The method includes steps of a) providing a first substrate having a concavity located thereon, b) providing a second substrate having a connecting area and an actuating area respectively located thereon, c) forming plural microstructures in the actuating area, d) mounting a conducting element in the connecting area and the actuating area, e) forming an insulating layer on the conducting element and f) connecting the first substrate to the connecting area to form the MEMS device. The concavity contains the plural microstructures. | 05-10-2012 |
20120144899 | Testing Protocol for a Double Walled Tank - A protocol for testing the integrity of a double-walled underground storage tank. | 06-14-2012 |
20120160014 | Method for leak testing closed, at least partially gas filled containers - For detected smallest leak in closed containers, which are at least to a part filled with a gas, the container ( | 06-28-2012 |
20120210773 | METHOD OF TESTING AIR TIGHTNESS OF SEALED LASH ADJUSTER | 08-23-2012 |
20130031961 | RECONFIGURABLE LEAK TESTING SYSTEM - A reconfigurable leak testing system includes a leak testing station, an off-shuttle disposed adjacent to the leak testing station, and a fixture cartridge that is translatable between the off-shuttle and the leak testing station. The fixture cartridge is configured to selectively couple with the leak testing station and includes an upper fixture, a lower fixture, and a plurality of actuatable testing features. The fixture cartridge is configured to receive a part between the upper fixture and lower fixture, and the plurality of actuatable testing features are configured to contact the received part to create a closed volume adjacent the part, wherein the closed volume may be pressurized via a pressurized fluid, and examined for leaks. | 02-07-2013 |
20130031962 | RECONFIGURABLE LEAK TESTING SYSTEM - A reconfigurable leak testing system is provided that includes a leak testing station and at least one off-shuttle cart removably attachable to the leak testing station. A fixture cartridge is translatable between the off-shuttle cart and the leak testing station. The fixture cartridge is configured to selectively couple with the leak testing station. The fixture cartridge includes an upper fixture, a lower fixture, and an actuatable testing feature. The fixture cartridge is configured to receive a part between the upper fixture and lower fixture. The actuatable testing feature is configured to contact the part. A closed volume is defined at least partially by the actuatable testing feature and the part. | 02-07-2013 |
20130118233 | SEAL INTEGRITY EVALUATION DEVICE AND METHOD OF USE THEREOF - Apparatuses for evaluating the integrity of a container seal and methods of using same are provided. The apparatuses include a sealed container having a conductive fluid and a first probe therein, a conductive solution bath having a second probe therein, a conductivity meter and a pressurized fluid supply. A pressurized fluid is supplied from fluid supply to an interior of the sealed container through the first probe until the seal on sealed container ruptures, first and second probes create an electrical circuit, and the conductivity meter detects a flow of electrons between the two probes. In this manner, apparatuses of the present disclosure are able to quantify the amount of internal pressure in the container at the time the container seal ruptures. | 05-16-2013 |
20130186183 | LEAK DETECTION APPLIANCE - The leak detection appliance has a test inlet to which a test chamber containing the test specimen can be connected. A high-vacuum pump produces a high vacuum in a test gas detector. A preliminary vacuum pump contains two pump stages. In order to evacuate the test chamber, the pump stages are operated in parallel mode, with their suction capabilities being added. When the necessary vacuum has been achieved, the pump stages are operated in series in order to produce the necessary high vacuum—which is required for high detection sensitivity—on the test gas detector. | 07-25-2013 |
20130192346 | APPARATUS AND METHOD FOR DETERMINING PACKAGE INTEGRITY FOR POROUS AND NON-POROUS PACKAGES - A package testing system or apparatus that may be mounted directly onto an F/F/S machine and allows for communication with an F/F/S machine in the form of either a digital or analog signal. The communication may be implemented into a PID loop which allows for a predetermined burst pressure set point to be reached “automatically” by either the burst pressure controller or the F/F/S controller to automatically adjust the sealing parameters via the PID loop. The system may employ a novel sealing system that uses either a viscous solution or a series of laminated materials to seal either the needle entry point or the puncture side of the material in its entirety, thereby eliminating the use of known sealing patches that cover the porous webbing in testing. Methods for conducting such testing and for operating such systems are within the scope of the present disclosure. | 08-01-2013 |
20130291625 | METHOD FOR LEAK TESTING AND LEAK TESTING APPARATUS - For leak testing closed containers ( | 11-07-2013 |
20140007656 | SYSTEM AND METHOD FOR DETECTING A LEAK IN AN AIR BED - A leak detection method for an air bed having an air chamber comprises adjusting the air chamber to a predetermined pressure level, sensing a first pressure value of the air chamber after a first time interval, sensing a second pressure value of the air chamber after a second time interval, determining a pressure change in the air chamber, detecting whether the air chamber is leaking by comparing the pressure change with a second pressure value, and displaying a leak detection indicator. In one embodiment, the second pressure value is a pressure change in a second air chamber. In another embodiment, the second pressure value is an expected pressure change of the air chamber that is calculated based upon changes in ambient temperature and barometric pressure. | 01-09-2014 |
20140165708 | METHOD FOR LEAK TESTING A HOUSING - A method for testing the tightness of a housing involves providing a pressure sensor in a housing, sealing the housing, and detecting a pressure level in the housing. | 06-19-2014 |
20140174159 | PRESSURE-RESISTANT-CONTAINER GAS LEAKAGE DETECTING DEVICE FOR A VEHICLE TO WHICH A DISCHARGE TUBE CASING IS ATTACHED - A pressure-resistant-container gas leakage detecting device for a vehicle, to which a discharge tube casing is attached, includes: a casing having a first casing member and a second casing member coupled to the first casing member to form an internal space; a pressure-resistant container having a body coupled to the interior of the casing and a discharge tube exposed to the outside of the casing, the discharge tube adapted to introduce gas thereinto and to discharge gas therefrom; the discharge tube casing adapted to cover the discharge tube; a first gas leakage detecting sensor attached to the discharge tube casing; corrosion-preventing gas injected between the pressure-resistant container and the casing to be filled thereinto higher or lower than atmospheric pressure; and a gas pressure detecting sensor coupled to the casing to detect the occurrence of the change in the pressure of the corrosion-preventing gas. | 06-26-2014 |
20140216139 | TEST APPARATUS FOR RECHARGEABLE BATTERY - A test apparatus is provided for detecting a gas leakage from at least a rechargeable battery, the test apparatus includes a stainless steel vacuum chamber storing the rechargeable battery and full of the low temperature gases, a first pump coupled to the stainless steel vacuum chamber and sucking the low temperature gases in the stainless steel vacuum chamber so the pressure inside is decreased to a first pressure, a second pump coupled to the stainless steel vacuum chamber, wherein after the pressure inside the stainless steel vacuum chamber is decreased to the first pressure, the second pump sucks the low temperature gas in the stainless steel vacuum chamber so the pressure inside is decreased from the first pressure to a second pressure, and a test device coupled to the second pump and tests the gas leaked from the rechargeable battery among the low temperature gas. | 08-07-2014 |
20140230525 | ELECTRONIC DEVICE PROVIDED WITH AUTOMATIC LEAK DETECTION MEANS - The electronic device is provided with an automatic leak detection means, notably for a gas leak, in the case of the device. The automatic leak detection means includes a pressure sensor, a temperature sensor and a calculation unit connected to the pressure sensor and to the temperature sensor. The calculation unit, which is a microcontroller, the pressure sensor and the temperature sensor are arranged inside the case. In operation, the microcontroller checks, based on measurements performed by the pressure sensor and the temperature sensor over time, whether the variation in pressure in the case is within a defined margin proportional to the variation in temperature to determine whether or not the case has a sufficient degree of sealing. | 08-21-2014 |
20140230526 | ELECTRONIC DEVICE PROVIDED WITH AUTOMATIC LEAK DETECTION MEANS - The electronic device ( | 08-21-2014 |
20140290344 | METHOD AND APPARATUS FOR CHECKING SYRINGE BODIES - Described is a method for checking syringe bodies of the type comprising a hollow body, a seal for closing the hollow body and a dose of a liquid product enclosed by the hollow body and by the seal, the method comprising the steps of applying a pneumatic negative pressure to the syringe body and moving a stop body towards the syringe body in such a way that, during at least a part of the step of applying the pneumatic negative pressure, the stop body obstructs withdrawal of the seal towards a rear end of the syringe body opposite the liquid. | 10-02-2014 |
20140326053 | METHOD FOR TESTING THE HERMETIC SEALING OF PACKING - A method for testing the hermetic sealing of packages, comprising subjecting the package to two or more moderate depressurization cycles in order to cause stress to the package followed by a final depressurization step at a high negative pressure in order to reveal possible failures and air leaks. | 11-06-2014 |
20140352409 | DEVICE FOR DETECTING LEAKS IN PACKAGES - A device for detecting leaks or weaknesses in a flexible package. The device includes a first member having a non-conductive surface, a second member secured in a position adjacent the first member, and a control system. The second member has an electrically conductive first portion and an electrically conductive second portion. The electrically conductive first portion of the second member is normally electrically insulated from the electrically conductive second portion of the second member. The control system is arranged to detect an electrical current between the electrically conductive first portion and the electrically conductive second portion. The second member may be positioned relative the first member to compress a flexible package between the first member and the second member. | 12-04-2014 |
20140360251 | AIRTIGHT TEST APPARATUS AND AIRTIGHT TEST METHOD USING THE SAME - The present invention discloses an airtight test apparatus and an airtight test method using the same for testing an airtight property of a case assembled with a plurality of additional members thereon in which the case has through holes corresponding to the additional members. The airtight test apparatus comprises a base, a top plate and a plurality of sealing members selectively and detachably disposed on the top plate. The top plate is capable of moving towards the base to allow the sealing members to correspondingly seal the through holes. During test, the case is placed on the base to form a gas chamber, an air-extracting is performed for the gas chamber and an air pressure is detected. When the detected air pressure is larger than a predetermined value, the sealing members can be selectively utilized to seal the corresponding through holes for determining which through holes have poor airtight property. | 12-11-2014 |
20150090009 | METHOD AND DEVICE FOR LOCALIZING A DEFECT IN AN ELECTROCHEMICAL STORE AND DEFECT LOCALIZATION SYSTEM - The invention relates to a method for localizing a defect in an electrochemical store ( | 04-02-2015 |
20150107340 | METHOD FOR LEAK TESTING AND LEAK TESTING APPARATUS - For leak testing closed containers ( | 04-23-2015 |
20150316441 | METHOD AND APPARATUS FOR TESTING QUALITY OF SEAL AND PACKAGE INTEGRITY - Embodiments relate to a method and apparatus for determining information relating to a leak in a package. In an embodiment, a solenoid/gravity system is used to rapidly pressurize a flexible package to a desired pressure and to rapidly withdraw the pressurizing agent, where another solenoid is used to rapidly and retractably impact a region on the package under test. Sensors are used to sense data corresponding to a wave in the package generated from the region of impact. The data is acquired and processed to determine information regarding a leak in the package, such as whether there is a leak in the package under test, the size of the leak, and/or the location of the leak. | 11-05-2015 |
20150362399 | PLASTIC TUBE SEALING AND TEST SYSTEM - A tube sealing positioning apparatus has a tube holder slidable on a vertical guide from a lower to an upper portion of a sealing chamber for positioning adjacent a heating apparatus and a clamping apparatus. The heating apparatus may have a nozzle to direct heated air on an open end of a plastic tube. The clamping apparatus may have two clamping devices slidably disposed to clamp the heated open end of the plastic tube to fuse the tube wall adjacent the open end. A control processor may be connected to control movement and dwell time of the tube holder, and to control heat application and clamp spacing and time. A sealed tube may be attached to a top cover to be positioned in a test container. A sealing disk may close the top cover and may direct fluid pressure into the tube and apply a vacuum to the test container. | 12-17-2015 |
20150362401 | PROCESS AND DEVICE FOR THE TIGHTNESS CHECK OF A CONTAINER - A container has a tube-like or tubular shell, which is sealed against the surrounding atmosphere and has a weld seam at at least one end. For checking the tightness of the container the internal pressure in an interior space of the container is increased by means of external action and the thereby ensuing deformation of the weld seam is detected. Provisions are made in this connection for the weld seam to be clamped between clamping elements before increasing the internal pressure only in a partial area of its surface, which has a distance from the end of the weld seam facing the interior space. | 12-17-2015 |
20160054194 | METHOD OF INLINE INSPECTING AND/OR TESTING DEVICES AND APPARATUS TO PERFORM SUCH METHOD - Inspecting and/or testing of inline conveyed devices is performed in that a monitoring unit is applied to a device. The monitoring unit is removed in a removing area. Within the timespan the monitoring unit is applied to the device, the monitoring unit is operated in a standalone operating mode. During a timespan information about the device to which the monitoring unit is applied is collected in the monitoring unit. This timespan of collecting includes at least a part of the timespan during which the monitoring unit is operated in standalone mode. | 02-25-2016 |
20160161359 | AIR TIGHT PACKAGING CONTAINER FOR EASY LEAKAGE TEST AND LEAKAGE TEAT METHOD AND APPARATUS USING SAME - The present invention relates to an airtight packaging container, which is easy to carry out a leakage test, includes a cosmetic container ( | 06-09-2016 |
20160161361 | TEST SYSTEM AND METHOD FOR FLEXIBLE CONTAINERS - A portable test device and related method are disclosed for conducting integrity testing of flexible containers. The test is particularly useful for testing aseptic flexible film bags in a manner that maintains the sterile nature of the container and removes crinkles by inflating the containers to remove crinkles and establish an inflation set point. The decay in pressure is measured over a predetermined period of time; if pressure loss does not exceed a predetermined threshold the integrity of the bag is confirmed and it can be filled without further manipulation of the container that may result in introducing flaws. | 06-09-2016 |
20170234760 | TEST DISC, TEST SYSTEM AND METHOD FOR TESTING THE SEAL OF A GLOVE WHICH IS INSTALLED IN A PORT OF AN ISOLATOR, A GLOVE AND AN ISOLATOR FOR USE WITH THE TEST SYSTEM | 08-17-2017 |
20190145852 | QUICK LEAK DETECTION ON DIMENSIONALLY STABLE/SLACK PACKAGING WITHOUT THE ADDITION OF TEST GAS | 05-16-2019 |