Abstract: The invention relates to an adapter part (9) for connecting a medical hollow body (11) to a tension/compression measuring device (3), comprising a first connecting end (13), which is designed to connect the adapter part (9) to an interior (15) of a medical hollow body (11) in a fluid-tight manner, and comprising a second connecting end (17), which has a pressure chamber (19) and is designed to operatively connect the adapter part (9) to a tension/compression measuring device (3), so that a pressure in the pressure chamber (19) can be adjusted by means of the tension/compression measuring device (3), a hollow channel (21) passing through the adapter part (9) from the pressure chamber (19) to the first connecting end (13).

Abstract: A device for testing a sample via a gas stream that includes an opening, a generator for generating a gas stream in the device along at least one flow path, at least one pressure sensor, and a mass flowmeter configured to measure the mass flow rate of the gas stream along each flow path. The flow path including an exhaust path terminating at the opening, and the gas stream generator configured to exhaust a leakage gas along the exhaust path. The pressure sensor includes an exhaust pressure sensor configured to measure a pressure of the leakage gas along the exhaust path, and the mass flowmeter is configured to measure a parameter representing the mass flow rate of the leakage gas along the exhaust path. A calculation device determines the size of a leak hole, based on a measurement of the parameter representing the mass flow rate along the exhaust path.

Abstract: A hydrocarbon tank system environment corrosion inhibitor includes use of inert gas, preferably Nitrogen, to blanket ullage and interstice through the tank system. Blanket gas is provided is controller into coupling to access ullages. Blanket gas is provided upon fueling events to stabilize the pressure in the system and prevent entry of atmospheric air and water (vapor). Blanket gas may be continuously run into the ullage and/or other spaces in tank system. A controlled system allows for monitoring of pressures in the tank, and thereby identifies pressure events and even leaks in system due to unusual events, or general loss of pressure.

Abstract: A method of detecting a leak-induced abnormal condition in a fluid line system having a plurality of heaters includes determining a plurality of temperature characteristics at a plurality of locations of the fluid line system, where each temperature from among the plurality of temperature characteristics is associated with at least one heater from among the plurality of heaters and monitoring, for each of the plurality of heaters, an electrical characteristic of the heater. The method includes determining the leak-induced abnormal condition is present within the fluid line system in response to the electrical characteristic of a given heater from among the plurality of heaters and the temperature characteristic associated with the given heater satisfying a temperature-and-electrical characteristics (TEC) deviation condition and performing a corrective action in response to determining the leak-induced abnormal condition is present.

Abstract: Fluid storage testing systems, methods and apparatus are disclosed. One or more embodiments include a closed-circuit storage volume testing system for testing a storage volume. The system may include a water tank, a pump and an oil/water separator.

Abstract: A device and method of pressure testing a conduit structure to determine if there is a leak in a conduit layout, which includes employing a pressure testing device having a first part having a coupling end for sealably connecting to a first conduit portion, a second part communicably connecting to the first part and having a valve connection adapted to receive one of a positive pressure source and a negative pressure source, and a pressure meter operably connected to the pressure testing device, wherein the valve is open to receive one of the positive pressure source and the negative pressure source, the pressure meter displays one of a positive pressure and a negative pressure, opening the valve to receive one of the positive pressure source and negative pressure source, and reading the pressure on the pressure meter to determine if the pressure is being maintained.

Abstract: It is an object of the present invention to enhance reliability of an allowable limit conductance used for setting a threshold value for evaluating sealability of a test object, and further, enhance reliability of the sealability evaluation. By leak testing a test object 9A with a sealing defect 9g, a leakage characteristic that shows a relationship between an internal-external pressure difference and a leak flow rate is obtained. A conductance of a test object with a similar artificial leak 9B having a similar artificial leak device 29 disposed therein, conducting the leak-detected substance is measured. The similar artificial leak device 29 has a leakage characteristic similar to the obtained leakage characteristic. An allowable limit conductance is obtained based on results of the measurement. Sealability of a test object 9 is evaluated based on a threshold value set with a standard artificial leak device 9S having the allowable limit conductance.

Abstract: A method of assessing damage to a composite member requires the formation of a composite member comprising at least one cavity. A first pressure differential is then established between the cavity and the surrounding ambient pressure. The rate of change of the pressure differential over a first predetermined period is monitored and then the pressure differential is allowed to subside. The result of the monitoring step is stored as a reference value, so that after the composite member is damaged, or after it has been in service for a predetermined time, the test can be repeated and compared with the reference value. If the result of the repeated monitoring differs from the reference value by more than a predetermined amount, it is determined that the composite member is defective.

Abstract: There is described a testing apparatus (20) for testing the integrity of a tank (12). The apparatus comprises a control tube (22) configured to be at least partially submerged within the tank (12). The control tube (22) being controlled to open and close to permit the ingress and capture of fuel into the control tube (22) from the tank (12). A first gas tube (29) is connectable to a remote gas source (40) and is configured to deliver gas to an outer surface of the control tube (22) at a predetermined location. A second gas tube (29) is connectable to the remote gas source (40) and configured to deliver gas to an inner surface of the control tube (22) at a predetermined location.

Abstract: The invention relates to a method (1) for leakage monitoring of a fuel cell system (200). According to the invention, it is provided that the leakage monitoring is carried out before or during shut-down of the fuel cell system (200) and during or after restarting of the fuel cell system (200).

Abstract: A cleanable frame and a method for making a cleanable frame having a simplified frame design. A hygienic conveyor frame assembly comprises a plurality of hollow tubular sections joined together to form an evacuated, sealed conveyor frame support structure that functions as a sterilization zone. An integral carryway is placed on the support structure. Lifters coupled to the conveyor frame can lift the carryway and conveyor belt for cleaning. Infeed and outfeed assemblies are also movable between operating and cleaning positions. A sensor can monitor the conditions of the frame interior to ensure that the vacuum is maintained and initiate a corrective action if the vacuum seal is breached.

Abstract: A measurement device for ascertaining a fluid variable relating to a fluid and/or a fluid flow of the fluid, includes a computing device and a sensor module or a plurality of sensor modules for acquiring a respective sensor variable, depending on which the fluid variable can be ascertained by the computing device. The sensor module or the sensor modules is/are connected by at least two wires in each case to respective sensor contacts of the computing device. At least one of the sensor contacts is coupled by a respective capacitance to a reference circuit segment lying at a reference potential, in particular the ground potential, and the reference circuit segment is insulated with respect to direct current from the sensor contacts.

Abstract: Techniques for implementing and/or operating a system, which includes a pipe segment and a test head assembly. The test head includes an end container, in which an end of tubing of the pipe segment is disposed within the end container, an annulus seal implemented at least in part by solidifying fluid hardening material that is flowed into the end container to facilitate securing the test head assembly to the pipe segment and sealing an opening end of a tubing annulus of the pipe segment within the test head assembly, and a fluid port fluidly connected to a fluid conduit defined within the tubing annulus of the pipe segment to enable integrity of the tubing to be tested at least in part by flowing a test fluid into the fluid conduit defined in the tubing annulus, extracting fluid from the fluid conduit defined in the tubing annulus, or both.

Abstract: The current invention mitigates the problem of incorrect determinations of leaking packages during vacuum decay leak detection testing. As described in this disclosure, a testing chamber used for vacuum decay leak detection testing is exposed to interferences when not under vacuum or at low pressure conditions between testing cycles. By measuring one or more exposure time intervals immediately preceding a present test cycle, it is possible to improve detection of leaking packages by adjusting raw measured pressure gathered during vacuum decay leak testing based upon the length of exposure times and create corrected pressure data used to improve vacuum decay leak detection.

Abstract: An electrical housing comprises an opening adapted to receive an electrical cable and/or an electrical connector, a housing wall delimiting an internal volume of the electrical housing, and a test passageway. The test passageway has a dimension and a position in the housing wall adapted to permit testing of a sealed nature of the electrical housing while impeding access to an electrically live element in the internal volume of the electrical housing.

Abstract: A leaking tank testing device, including a main body, a tubing system disposed within at least a portion of the main body to receive contents therein from a tank container, a selector rotatably disposed on an outer surface of the main body to select a vacuum testing mode in a first position, and a pressure testing mode in a second position, a vacuum monitor disposed on at least a portion of the main body to display a gradient in pressure between the contents in the tubing system and an external pressure outside of the main body in response to the selector being moved to the vacuum testing mode, and a seal disposed on at least a portion of the main body to cover at least a portion of the tubing system in response to the selector being moved to the pressure testing mode.

Abstract: Devices and methods for container closure integrity testing by leak testing, in particular of pharmaceutical containers, which are composed of two parts, the container itself, which shows an opening, and a closure system that is used to close this opening of the container, such as a lid; and their application in quality control.

Abstract: A sensing system (10) for monitoring the integrity of a structure has first and second channels (12 and 14) arranged for sealing onto a surface (16) of the structure (18) to form respective spaced apart first and second galleries (20 and 22). A fluid (F1) is in the first gallery (20) and a fluid (F2) is in the second gallery (22). A measurement system (24) measures for a change in a pressure independent physical characteristic: a) in the first gallery (20); b) in the second gallery (22); c) between the first gallery (20) and the second gallery (22); or d) a combination of two or more of a), b) and c) where the change is dependent on a mass flow of fluid from one of, or between, the sealed galleries due to a crack in the structure. The pressure independent physical characteristic of the fluid can be the conductivity of the fluid or the optical properties of the fluid.

Abstract: A vehicle can include: an engine; an engine-off timer configured to detect an engine-off time for which the engine is turned off; an air temperature sensor configured to detect a temperature of air sucked into the engine; a water temperature sensor configured to detect a temperature of water in the engine; and a controller configured to determine whether the engine-off timer is operating normally based on the engine-off time detected by the engine-off timer, the temperature of air sucked into the engine detected by the air temperature sensor, and the temperature of water in the engine detected by the water temperature sensor.

Abstract: A battery manufacturing method including the steps of testing a cathode assembly that includes an air cathode and a battery can cathode portion that is not connected to a battery can anode portion, and joining an anode assembly, including a battery can anode portion in which anode material is located, to the tested cathode assembly.

Abstract: The invention relates to a testing device for checking the leak tightness of containers (5), comprising a holding unit (3) for holding at least one container (5), which holding unit has a first holding part (31) and a second holding part (32), wherein the holding unit (3) is divided into the first and second holding parts (31, 32) in the direction of a longitudinal axis (L) of the holding unit (3) and wherein a pivot shaft (4) for the pivoting of at least one holding part is arranged on the first and/or second holding part (31, 32).

Abstract: A corrugated constant pressure cylinder apparatus having no micro leaks and its method of use. The internal pressure of the corrugated cylinder (b10) is maintained at a constant pressure so as to allow for transport or storage in a state without micro leaks. The corrugated constant pressure cylinder apparatus is able to keep substances that exist in gaseous or liquid form at room temperature such as mixed refrigerant gases, volatile organic compounds (VOC), hydrocarbon mixtures-in liquid form, or is able to keep the pressure constant even if the internal volume changes due to the contents inside the cylinder.

Abstract: The present application provides a leak hole leak rate detection device and a method for implementing leak hole leak rate detection using the device. The device includes a gas storage tank, a valve, a leak hole, a latex sealing container, an electronic stopwatch and an electronic balance. The device can detect the leak rates of leak holes within a range of 1×10?1˜1×10?8 Pa·m3/s, and has the characteristics of scientific detection principle, simple and reasonable structure and the like.

Abstract: An assembly device for a battery component proposed herein includes at least one of members that are a positioning pin and a chuck. There is at least one exhaust passage inside the at least one of the members that are the positioning pin and the chuck. An outer peripheral surface of the at least one of the members that are the positioning pin and the chuck has at least one dust-collecting port to which the at least one exhaust passage opens. The at least one exhaust passage is connected to a suction machine.

Abstract: A method for leak detection of a packaged sealed product according to the steps: feeding liquid nitrogen to a vaporizer thereby forming gaseous nitrogen; mixing the gaseous nitrogen with multifunctional particles; feeding the mixture of gaseous nitrogen and multifunctional particles to a chamber wherein a packaged sealed product is present in the chamber; and transmitting a signal when the multifunctional particles contact a component leaking from the packaged sealed product. Typically, the packaged sealed product is a pharmaceutical or other medicinal product.

Abstract: The disclosure relates to a component device, in particular for a primary supporting component of an aircraft, the component device having a first component element, a second component element, a bonding providing a connection between the first component element and the second component element, and a detector device having at least one interior space sensor device configured to measure a change in a pressure and/or a concentration of a gas surrounding the interior space sensor device. The first component element, the second component element, and the bonding confine an interior space. The interior space sensor device is arranged in the interior space.

Abstract: Methods and systems for leak testing flexible expandable bags are disclosed.

Abstract: Methods and systems are provided for conducting an engine-off-natural-vacuum (EONV) test diagnostic on a vehicle fuel system and evaporative emissions system. In one example, a method may include setting an initial vent duration for the EONV test as a function of a likelihood that the vehicle will pass the EONV test during a pressure phase portion, or during a vacuum phase portion, and commencing the EONV test with the vacuum phase portion responsive to the likelihood that the vehicle will pass during the vacuum phase portion. In this way, battery power may be conserved and fuel economy improved, by avoiding a pressure phase portion of the EONV test if it is indicated that the vehicle is not expected to pass the EONV test during the pressure phase portion.

Abstract: A flow rate of a gas supplied into a processing vessel of a substrate processing apparatus is controlled according to a set flow rate of a first flow rate controller. The gas is also supplied into a second flow rate controller. When an output flow rate of the first flow rate controller is in a steady state, a first pressure measurement value of a first pressure gauge and a second pressure measurement value of a second pressure gauge of the second flow rate controller are obtained. A difference absolute value between the first pressure measurement value and a reference pressure value and a difference absolute value between the second pressure measurement value and a reference pressure value are calculated, and then, an average value of the difference absolute values is calculated. The difference absolute values and the average value are respectively compared with a first to third threshold value.

Abstract: Methods and apparatus for conducting in-service testing of a pneumatic signal amplifier are disclosed. In response to a test initiation signal, a processor of a valve controller operatively coupled to the pneumatic signal amplifier supplies a pressurized control fluid to an inlet of the pneumatic c signal amplifier. The processor determines a first pressure value corresponding to an inlet pressure of the pressurized control fluid at the inlet of the pneumatic signal amplifier, and further determines a second pressure value corresponding to an outlet pressure of the pressurized control fluid at an outlet of the pneumatic signal amplifier. The processor determines a ratio value between the first and second pressure values and determines whether the ratio value satisfies a threshold. In response to determining that the ratio value satisfies the threshold, the processor generates a notification indicating that the pneumatic signal amplifier is functional.

Abstract: Various aspects include a pressure testing device for testing a plumbing installation, along with related methods. In some cases, a device includes: a pressure testing line for coupling with the plumbing installation; a pressure sensor fluidly connected with the pressure testing line; a tamper-resistant memory; and a control system coupled with the pressure sensor and the tamper-resistant memory. In various embodiments, the control system is configured to control the pressure test of the plumbing installation based upon a threshold pressure for that particular test, and store a test record of the pressure test in a tamper-resistant memory upon completion of the pressure test.

Abstract: A method and a corresponding system for detecting a malfunction in an electric drive unit. The method comprises the following steps: ascertain (S17) a current flow characteristic (1) of an electric drive unit; detect (S33) a gradient change in the current flow characteristic (1) at a first point in time (t=n); compare (S35, S39) the gradient change with a predefinable gradient change range; establish (S45) a malfunction in the electric drive unit if the gradient change is outside the predefinable gradient change range.

Abstract: An evacuable flexible test chamber (10) for a leakage test of a test piece, having a wall (12) surrounding a test chamber volume (36), is characterized in that at least a portion of said wall is made up of two layers (18, 20) of wall material of which at least the layer (20) facing said test chamber volume (36) is made from a flexible material, and that between said two layers (18, 20) an overpressure as compared to the atmosphere surrounding said test chamber (10) is adapted to be created.

Abstract: Embodiments of the inventive subject matter include a method and apparatus for performing a leak test. A fluid flows through a first aperture of a product and at least a portion of the fluid is allowed to exit the product through a second aperture while the fluid is flowing through the first aperture. The second aperture is closed in response to determining that a first threshold parameter is reached. The first aperture is closed in response to determining that a second threshold parameter is met. Then, a leak test can be performed.

Abstract: A test inflation cycle of fluid flow is controlled from a fluid source to each inflatable bladder of a plurality of inflatable bladders of a compression garment. Pressure signals from at least one pressure sensor are received and compared to one or more reference pressure values. One or more inflation parameters of at least one of the inflatable bladders is set based at least in part on the comparison of the pressure signals, and the inflatable bladders are inflated to a respective second pressure greater than the corresponding test inflation pressure of each bladder based at least in part on the set one or more inflation parameters.

Abstract: A leak rate testing system for pressured containers such as inhalers includes a test chamber holding the pressurized containers and accumulating compounds leaking from the containers. A sample cell receives the compounds from the chamber and a spectroscopy system obtains spectral responses of compounds in the sample cell so that a controller can determine leak rates over time.

Abstract: A sound focusing mechanism for generating a focused source of sound provides for identifying a transmission loss of an object, areas of acoustic or thermal leakage within or acoustic flanking paths associated with the object. The sound focusing mechanism includes a housing having at least one wall formed from a material having high sound transmission loss properties. A sound generating device for generating a sound is located with a central cavity within the housing. An actuator assembly is operatively connected to the sound generating device for selectively operating the sound generating. The sound focusing mechanism is used in a method of determining the sound transmission loss and flanking paths of an object, as well as thermal loss.

Abstract: The invention relates to a method for determining the rate of leakage on a non-rigid specimen, wherein the specimen is introduced to a film chamber which can be evacuated, having at least one wall region made of a flexible material and the pressure in the film chamber is reduced outside of the specimen. The pressure gradient within the film chamber outside of the specimen is measured. In order to increase the accuracy of the leak detection, an outer over-pressure is exerted on the flexible wall region during pressure measurement which exceeds the pressure in the film chamber and outside of the specimen and the pressure inside the specimen.

Abstract: A method for testing the sealing tightness of a specimen, containing a gas, in a film chamber made from flexible material. The film chamber is evacuated by a vacuum pump and the gas flow flowing out of the film chamber and generated by the vacuum pump is measured during the evacuation and is examined with respect to a possible leak of the specimen.

Abstract: A purge vapor system, which includes a fuel tank, a fuel tank isolation valve in fluid communication with the fuel tank, and a carbon canister in fluid communication with the fuel tank isolation valve. The purge vapor system also includes a canister vent valve in fluid communication with the carbon canister, an air filter in fluid communication with the canister vent valve, and a latching mechanism for changing the canister vent valve between an open position and a closed position, where the latching mechanism is part of the canister vent valve. The latching mechanism is energized as the latching mechanism changes the canister vent valve between the open position and the closed position, and the latching mechanism is de-energized as the canister vent valve is held in the open position or the closed position.

Abstract: A fuel storage vessel includes a valve operatively associated with the storage vessel, a conduit disposed within the vessel and in fluid communication with the valve for delivering a stream of pressurized fuel to the storage vessel and a detector adjacent the conduit for detecting a state of the pressurized fuel in the storage vessel. The detector is positioned outside of the stream of pressurized fuel.

Abstract: An apparatus for filtering and/or purifying and/or conditioning a fluid comprises a pressure vessel having an inlet for introducing fluid into the pressure vessel and an outlet for removing fluid from the pressure vessel, filtering medium positioned inside the pressure vessel for filtering and/or purifying and/or conditioning fluid, and a shell surrounding the pressure vessel, the shell having sufficient anti-flammability properties to be resistant against fire to protect the pressure vessel from fire.

Abstract: A bioreactor container comprising has an at least locally flexible wall and at least one container opening. The wall of the bioreactor container has a fluid-tight inner sheet, and an at least locally fluid-permeable or structured outer sheet. A method for testing the integrity of the bioreactor container also is provided.

Abstract: An electric power steering device includes a ferrite core mounted on a wire harness connected to an electric motor and a bracket configured to fix the ferrite core to a vehicle.

Abstract: Techniques for testing a component for compatibility with a depressurization profile associated with a launch vehicle payload fairing during ascent are disclosed. A pressure of air or other gas within a pressure vessel containing the component is raised to a first value substantially higher than one atmosphere absolute pressure. The air/gas pressure within the pressure vessel is lowered, by venting into the ambient atmosphere, at a rate simulating or demonstrating margin with respect to the launch vehicle payload fairing depressurization profile. The component is inspected for damage. The component may be a panel including a honeycomb core sandwiched between two faceskins, the panel having a planar area in excess of twenty five square feet.

Abstract: 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 P1 in the bioreactor container at a first time T1 and determining whether the bioreactor container is sufficiently leaktight.

Abstract: 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.

Abstract: In one aspect, the invention relates to a system for monitoring a fluid dispensing system having a storage tank and a piping system having a maximum output flow rate threshold. The system includes a dispenser configured to dispense fluid from the fluid dispensing system during a dispensing time interval, a metering device in fluid communication with piping system, the metering device configured to measure a plurality of sample flow rates over time in response to fluid passing through the metering device, a gauge for measuring a volume of fluid dispensed from the storage tank during the dispensing time interval and a processor for executing a monitoring application which generates an alert within a substantially real-time period in response to an event of interest, the monitoring application comparing the maximum output flow rate threshold to the plurality of sample flow rates over time to generate the alert when one of the sample flow rates exceeds the maximum output flow rate threshold.

Abstract: A device for maintaining and analyzing an aerodynamic probe of stagnation pressure type intended to be installed in an aircraft comprises a channel with a first end that is intended to penetrate into the probe, and an ejector fluidly coupled to the channel to create an air depression in said channel relative to the ambient pressure and a closed vessel recovering any particles sucked into the channel, the ejector and closed vessel being external to the probe when the channel is inserted into the probe. The ejector is coupled to a pressurized gas source and ejects gas in proximity to a second end of the channel opposite the first end to suction the air present in the channel and thereby create the air depression in said channel.

Abstract: A method of operating a plant for the treatment of containers may include treating the containers with pre-set treatment parameters by a first treatment unit of the plant. The treatment parameters are capable of being altered at least in part and depend at least in part upon product parameters—characteristic of the container—of the containers to be treated. At least one product parameter characteristic of the container is determined by detecting a recognition mark associated with the container, and at least one treatment parameter is altered on the basis of this characteristic product parameter.