Abstract: The liquid Leak Detector container must be mounted on the radiator support frame in a level position about eight inches from the radiator in line with the overflow tube. The overflow tube has to be cut to enable the tube ends to be fitted over each nipple of the container and secured by adjustable clamps. The radiator must be filled up with coolant to the top of the radiator filling neck while pinching the overflow tube below the coolant level of the overflow holding tank. The radiator cap is put on tight and the pinched tube released. When the engine is started up the coolant will increase in temperature and expand forcing the coolant to flow through the detector container to the overflow holding tank until the engine has reached operating temperature. The coolant will flow back into the radiator when the engine is not running.The presence of air in the coolant begins to accumulate in the top of the radiator when a leak develops.

Abstract: A device that measures the distance traveled, speed, and height jumped of a person while running or walking. Accelerometers and rotational sensors are placed in the sole of one shoe along with an electronic circuit that performs mathematical calculations to determine the distance and height of each step. A radio frequency transmitter sends the distance and height information to a wristwatch or other central receiving unit. A radio frequency receiver in the wristwatch or other unit is coupled to a microprocessor that calculates an output speed based upon step-distance and elapsed time, and the distance traveled of the runner from the sum of all previous step distances. The output of the microprocessor is coupled to a display that shows the distance traveled, speed, or height jumped of the runner or walker.

Abstract: A freezing tank for making ice cream includes an outer tank that has a first enclosing tank wall with a first open end, and an inner tank that is placed in the outer tank through the first open end and that has a second open end surrounded by the first open end. The inner tank has a second enclosing tank wall received in the first enclosing tank wall. The first and second enclosing tank walls confine a cooling chamber for receiving a freezing fluid therein. The second open end is jointed to the first open end in a fluid-tight relationship to prevent leakage of the freezing fluid. Pressurized fluid can enter into the cooling chamber via a first hole that is communicated with the cooling chamber and that allows for insertion of a pressurizing device. A pressure detecting device can be mounted to the first enclosing tank wall to detect a decreased pressure representative of existence of a leakage via a second hole formed in the first enclosing tank wall.

Abstract: A sensor mount for mounting a sensor to a substrate having a support member, a substrate attachment surface, and a sensor attachment surface. The support member can be attached to the substrate at the substrate attachment surface and the sensor can be attached to the support member at the sensor attachment surface. The sensor mount is shaped so an oblique angle is formed between the plane that includes the substrate attachment surface and the plane that includes the sensor attachment surfaces. Preferably, the support member has a wedge shape.

Abstract: Acceleration measurement device comprising a housing (1), an acceleration sensor unit (6) and a carrier (2) defining a location for the acceleration sensor unit (6). The carrier comprises connecting legs (3) in order to produce at least one mounting plane (18, 20) for the housing (1), wherein the location plane (20) is placed at any angle (Alpha) to the mounting plane (18, 19).

Abstract: Device for detecting the rotational speed of a wheel of an in-line skate, the wheel being supported by rotating rings of two rolling bearings with fixed rings 9 of the two rolling bearings being secured to an axle mounted on a plate. The detection device includes a sensor and an encoder which are arranged in a volume bounded axially by the two rolling bearings and radially by a cylindrical surface which is coaxial with the rolling bearings and has a diameter represented by the external diameters of the outer rings of the rolling bearings.

Abstract: An apparatus for inspecting sealed packages of product includes a conveyor belt for receiving the packages. An inspection belt contacts the packages and moves away from the conveyor belt a particular distance depending on whether the packages are properly sealed. When engaged by a package with a good seal, the inspection belt is moved a first distance which causes an indicator carried thereon to send a signal which prevents removal of the good package from the conveyor belt. However, when a leaky bag contacts the inspection belt, the inspection belt is moved a second distance which is insufficient to cause the indicator to send a signal. Consequently, the improperly sealed package is removed from the conveyor belt. The inspection belt may be mounted for linear or pivotal movement upon being contacted by the packages carried by the conveyor belt.

Abstract: A mounting device for use with a washing machine to mount a cantilevered piezoelectric film accelerometer to a circuit board. The invention includes a housing structure having a cavity formed therein, with the accelerometer extending inwardly into the cavity from a first wall of the housing structure. The invention also includes a means for flattening the cantilevered piezoelectric film proximate the first wall of the housing structure.

Abstract: A sensor subassembly contains a base part that is formed of plastic and has a sensor holding region with sensor connections provided therein and a connection region with plug connections provided therein. A sensor element with electrical contacts is electrically conductively connected to the sensor connections. Fastened to the base part is a printed circuit board, via which an electrical connection between the sensor element and the plug connections is made.

Abstract: An acceleration sensor 1 comprises a circuit board 3 on which an acceleration detecting element 2 is carried. A plurality of connecting terminals 4 arranged along the periphery of the circuit board 3 are projected outward after penetrating through a metal base plate 5. The metal base plate 5 is fixed to the connecting terminals 4 spaced apart from the circuit board 3 by a predetermined distance in a state being insulated from the connecting terminals 4. The peripheral edge of the metal base plate 5 is connected to a case 7 covering the entire acceleration sensor 1. Circuit elements constituting a signal processing circuit for processing a detection signal of the acceleration detecting element 2 are arranged on the upper surface and the lower surface of the circuit board 3.

Abstract: For leak testing closed containers (9) which are filled with a filling product containing at least one liquid component the container is introduced in a test cavity (1) which is evacuated at least down to vapor pressure of that liquid component. The pressure in the surrounding of the container (9) and thus within test cavity (1) is monitored. Monitoring is performed by a vacuum pressure sensor (7), whereas lowering pressure surrounding the container (9) is performed by a vacuum pump (5).

Abstract: A leak detection device securable in detection proximity to a fluid vessel. The leak detection device includes a sensor element and a monitoring assembly. The sensor element has a monitorable characteristic, and the monitorable characteristic changes upon contact, immerson or in exposure to the fluid contained in the vessel. The monotoring assembly is responsive to the monitorable characteristic and produces an changing electrical output in response to change in the monitorable characteristic. The vessel and leak detection device may form an assembly including a shroud or cover over the detection device and a leak-susceptible portion of the vessel, to provide a microenvironment in which the detection device is operated.

Abstract: A method and apparatus for treating an object with ozone by: introducing the object to be treated and ozone into a sealed treatment chamber; and applying a negative pressure to said treatment chamber to prevent ozone leaking from said treatment chamber into the atmosphere and to provide an indication of the condition of the seal. The object may be treated according to a Static mode, or a Flow mode.

Abstract: A method and apparatus are directed to non-destructive testing for a leak in a sealed package having an interior chamber formed of a gas-permeable portion and a non-gas-permeable portion. A temporary barrier having an aperture is formed to the gas-permeable portion to temporarily seal the gas-permeable portion of the sealed package except at the aperture. A tracer gas is applied through the aperture at the gas-permeable portion, whereby the tracer gas enters into the interior chamber. The concentration of tracer gas is measured at the exterior of the sealed package, thereby testing for a leak in the sealed package.

Abstract: A package tester is provided which uses a rotating platen (10) to convey packages under test between first and second test positions. A compressive load (22) is applied to a package (50) before it reaches the first test position and travels with and remains in contact with the package as it moves towards the second test position. Thus, the package is kept under load for longer than is possible with known package testers working at an equivalent test rate.

Abstract: The present invention provides a method for determining fill volumes of a plurality of clutch elements in an automatic transmission wherein each clutch element is applied in a predefined order and the fill volume of each clutch element is obtained by determining when the rotational speed of the engine varies from the rotational speed of the transmission's turbine by a predefined amount. The plurality of clutch elements comprises at least a 2C, 4C, UD, OD, and LR clutch element.

Abstract: A hand-operated accelerator device includes a handgrip speed controlling actuator sleeved rotatably on a handlebar. A speed controlling signal emitting member has an elongated chamber therein with an opened guiding slot. A shifting member is slidably received in the elongated chamber, and has two magnets spaced apart from each other, and a protruding member extending outwardly of the guiding slot to move the shifting member in the chamber upon rotation of the actuator. A hall-effect generator extends transversely between the magnets so as to generate a voltage signal to be received by a circuit board when the shifting member is moved in order to convert the voltage signal into a control signal for controlling revolutions of an electric drive mechanism of an electric-powered bicycle. A spring is disposed to bias the shifting member in a longitudinal direction.

Abstract: Apparatus and methods whereby flexible walled containers may be automatically pressure tested at a pressure testing station for the purpose of determining the presence of defective containers. Detected defective containers may thereafter be transported to an ejector station and ejected physically from their respective supporting tray. The pressure testing station is provided with an array of pressure testing heads which are moveable reciprocally towards and away from the containers while supported in their tray. Each of the pressure testing heads thus makes sealing contact with the rim of an individual respective one of the containers supported in the tray. The ejector station is provided with an array of ejector assemblies equal in number to the number of containers supported on a tray and oriented at an angle relative to a vertical cross-machine plane. If a container is determined to be defective (i.e.

Abstract: An acceleration sensor device includes a molded package mounted on a circuit board and first and second leads protruding from the molded package and joined to the circuit board. The molded package retains an island portion of a lead frame in a state where a chip mounting surface of the island portion is perpendicular to the circuit board. An acceleration sensor is mounted on the chip mounting surface of the island portion. After attaching the acceleration sensor chip to the island portion, the island portion is bent up in the lead frame. Then, the island portion, the acceleration sensor chip, and the first and second leads are integrally molded to make the molded package. Accordingly, a detection axis of the acceleration sensor device can be arbitrary set, and the molded package is stably mounted on the circuit board.

Abstract: Providing an apparatus for detecting gas leakage from the periphery of a cylinder valve or the like of a plurality of gas cylinders, non-manually in a short time without failure, in place of manual detection.The apparatus for detecting gas leakage from a plurality of gas cylinders is characterized in that the apparatus is constructed such that one end of each of flexible hoses (2) is connected to each cap (1) put on a plurality of gas cylinders, the other end of each of flexible hoses is connected to one of the faces of an assembly panel (3), another flexible hose (4) is led out of the other face of the assembly panel and connected to a detector (6), a gas aspirator (5) for sucking gas from the cap, is connected upstream or downstream of the detector (6), and these apparatuses are controlled by a controller (7).

Abstract: Provided is a semiconductor acceleration detecting device capable of improving the impact resistance in handling the device singly with a relatively simple construction without providing any other member. The device is a semiconductor acceleration detecting device S1 having a construction in which a package body Pc formed by mounting an acceleration detecting semiconductor chip on a die pad and molding it with the lead terminal sections Tr of lead pins protruding outward is combined by bonding with a main body section Bd, so that the device is totally formed into an approximately rectangular parallelepiped shape comprised of a pair of first surfaces F1 from which the lead terminal sections are protruding, a pair of second surfaces F2 approximately perpendicular to a suspension lead, and a pair of third surfaces F3 approximately parallel to the die pad.

Abstract: A system and method for detecting leakage of a part, includes a controller for generating a start command, a voltage generating circuit for generating at least one high voltage pulse signal in response to the start command, at least one testing station including first and second probes for placing a non-conductive part therebetween and for applying the at least one high voltage pulse signal to the non-conductive part, and an inductive detector detecting current from one of the first and second probes. The inductive detector generates a detection signal in response to the detection and transmits it to the controller. The controller compares the detection signal with a reference signal and determines any presence of leaks in the non-conductive parts based on the comparison result.

Abstract: The invention provides an improved bubble leak tester, and associated method for performing a leak test and operating the leak tester, to test for leaks in a test part. The apparatus and methods of the invention allow for simple, inexpensive, quick and accurate testing of the test part, provides a visual indication of a leak, and eliminates the part damage and clean-up associated with conventional water immersion tests. Further, the apparatus and methods in accordance with the invention control liquid backflow, so that contamination and damage to the device is reduced. In one embodiment in accordance with the invention, a leak tester is provided that is connectable to a reference volume and a test volume for determining the presence of a leak in the test volume.

Abstract: A method for manufacturing encapsulated semiconductor devices, including rotary speed sensing devices, by using a lead frame. Electrical terminals of the semiconductor device are electrically connected to electrical leads from the lead frame. The semiconductor device is encapsulated in a plastic housing which is also connected to positioning posts located on the lead frame. The electrical leads are disconnected from the lead frame, permitting additional processing of the semiconductor device, including testing.

Abstract: A device for confining leaks of one or more gases contained in a gas cylinder, which comprises a shroud made of a flexible and nonflammable material which is inert with respect to the gas or gases contained in the cylinder and designed to partially envelope said cylinder, wherein said shroud has an opening provided with means for sealing said shroud to the surface of the cylinder and wherein the shroud is provided with an outlet coupling connected to a line for removing one or more of the gases to a means for neutralizing said one or more gases.

Abstract: A device serves to enable detection of leakages in flange joints in pipelines. Between end faces (22, 24) adjacent, opposing flange pipe ends, a packer (30') has been disposed, the packer being adapted to bear sealingly against seat faces which said end faces (22, 24) exhibit. At each of the opposite side faces of the packer (30'), an annular groove (26', 28') has been formed, said annular grooves being closed and thereafter forming annular cavities when the joint has been established. Between at least one cavity (28') and the surroundings outside the pipeline (14, 16), a fluid connection (38') is established. The packer (30') is formed with a through-going hole (32') establishing fluid-communication between the two annular cavities (26', 28').

Abstract: A speed sensor assembly is mounted to a steering knuckle with a threaded fastener. The fastener is initially hand tightened until it is axially obstructed by a spacer provided on the speed sensor assembly. A tool then is used to apply high torque to the fastener so as to deflect or break away the spacer so that the speed sensor assembly may be tightly clamped to the steering knuckle by the fastener. The spacer prevents hand tightened speed sensor assemblies from being properly aligned with a tone wheel. Unless a tool is used to fully seat the speed sensor assembly, the assembly will give a false test signal indicative of improper or incomplete mounting.

Abstract: A method for leak testing of a hermetic package closure comprises the steps of: creating a pocket in a lid; plating the lid; placing solder in the pocket; melting the solder in the pocket; drilling a hole through the solder and the plated lid creating an unplated area on the plated lid; testing the hermetic package closure for leaks through the hole; heating the solder reflow, wherein surface tension of the solder over the hole and the unplated area enable the solder to form a hermetic closure.

Abstract: A method prevents corrosion of a vessel made of a corrodible material. The vessel has a bottom which has an outer surface. The method includes detecting the appearance of water at the outer surface of the bottom of the vessel.

Abstract: In order to obtain a reliable idea of the state of tightness for tightness testing of containers filled with liquids in which a pressure differential .DELTA.p is created between the interior of the container and its exterior, and also relative to the container wall in contact with the filling, an impedance measurement (7) is performed using measuring electrodes (3a, 3b) on the exterior of container (1).

Abstract: A device for evaluating air removal is subjected to a sterilization process whose effectiveness is dependent on a sufficiently high vacuum being achieved. A closure or lid (20, 70) seals an opening into an interior chamber (12) of a container (10). The closure and container are mechanically interconnected, e.g., fricitonally, such that a preselected pressure differential across the closure is needed to release the closure. The friction or other mechanical interconnection level and a pressure in the interior chamber are selected such that when the exterior of the container is subject to a preselected vacuum, the closure releases. Ease or reliability of reading the indication is improved with a spring (50) for expelling the closure or a frangible member (56, 72) which is severed or irreversibly deformed as the closure releases.

Abstract: An acceleration sensor is able to reduce the mount space thereof and to prevent detection precision from being lowered by yawing when external force is applied. The acceleration sensor reduces the mount space by attaching a circuit substrate so as to extend perpendicularly to a mounting substrate, and prevents detection precision from being lowered by yawing of the circuit substrate by setting the acceleration detecting direction of an acceleration detecting device mounted on the circuit substrate parallel to the main surfaces of both the mounting substrate and the circuit substrate.

Abstract: A method and apparatus are directed to non-destructive testing for a leak in a sealed package having an interior chamber formed of a gas-permeable portion and a non-gas-permeable portion. A temporary barrier having an aperture is formed to the gas-permeable portion to temporarily seal the gas-permeable portion of the sealed package except at the aperture. A tracer gas is applied through the aperture at the gas-permeable portion, whereby the tracer gas enters into the interior chamber. The concentration of tracer gas is measured at the exterior of the sealed package, thereby testing for a leak in the sealed package.

Abstract: A speedometer or odometer assembly for an in-line skate that includes a signal processor and display housing mounted on the skate toe with a sensor mounted under the toe very close to the forward wheel. A field producing sensing element is fixed in the elastomeric portion of the forward wheel where it passes in close proximity to the sensor as the wheel rotates. The display housing is connected to the sensor by a flat conductor and the three are quickly removable as a unit from the skate.

Abstract: A method of providing a gas-gettering medium within hermetically sealed devices which allows small cavity devices to be leak tested to verify their seal integrity. The gettering medium utilizes forms of charcoal, including activated carbon materials. A hermetically sealed device with the charcoal incorporated therein, as in an otherwise normal void in the device, or mixed with a charge of explosive in the device.

Abstract: An apparatus for testing watertightness of a railcar comprises a blower fan apparatus with an exhaust duct and an exhaust outlet that can be sealed against an aperture in the railcar. The fan blower of the apparatus is capable of providing an airflow to the railcar to provide a pressure differential of between about 0.5 to about 2.5 inches of H.sub.2 O between an interior of the railcar and an exterior of the railcar. The blower is operated to provide air to the railcar to provide a pressure differential, causing bubbles to form in a liquid solution applied to the exterior surface of the railcar. The railcar is marked for subsequent repair at locations where bubbles are detected.

Abstract: A method and device for testing containers, the method calling for a difference in pressure to be generated between the pressure inside the container and the pressure immediately surrounding the container, the behavior of one of these pressures permitting the gas tightness of the container to be assessed. A pressure value is stored and subsequently compared with one of the pressures, the stored pressure value being stored electronically and compared with at least one value of the output signal from a pressure sensor. The container is housed in an enclosure which is connected to a pressure or suction line, and a pressure-value storage unit, a comparator unit and a pressure sensor are associated with the pressure or suction line.

Abstract: A method of decreasing the bulge of gable top cartons by evaluating and modifying top sealing heat patterns. Cartons are formed, dye stained and the quality of the seal evaluated for heat damage and top seal quality. The heating pattern is adjusted as required, and the resulting heat seal is reevaluated to determine if further adjustments are required, so that the resulting cartons can achieve a near air-tight condition in the headspace of the carton to thereby resist bulging.

Abstract: For leak testing closed containers (9) which are filled with a filling product containing at least one liquid component the container is introduced in a test cavity (1) which is evacuated at least down to vapour pressure of that liquid component. The pressure in the surrounding of the container (9) and thus within test cavity (1) is monitored. Monitoring is performed by a vacuum pressure sensor (7), whereas lowering pressure surrounding the container (9) is performed by a vacuum pump (5). Leakage is detected by monitoring a pressure change in the surrounding of the container which is due to evaporation of liquid emerging from a leak and being evaporated in the low pressure surrounding.

Abstract: A feed assembly for a pack seal tester includes a vertically extending housing having a top opening for receipt of packages therein and a bottom opening for discharge of packages therefrom. The housing includes a feed hopper comprised of two parallel movable opposed spaced C-shaped sidewalls. A piston plate is aligned to remove packages from the bottom opening and into a package test chamber, the package test chamber being in alignment with the bottom opening. The package test chamber includes means to align said packages at a preselected position for testing by a pack seal tester.

Abstract: A container inspection apparatus inspects sealing performance of a closure of a container such as a bottle filled with effervescent beverage. The apparatus include a plurality of support members for placing a container thereon and movable along a certain path, a plurality of ultrasonic transducers fixed to one of the support members for generating ultrasonic vibration, and a supply device for supplying liquid to an upper surface of the support member. The ultrasonic vibration of the support member caused by the ultrasonic transducer is transmitted to a bottom of the container through liquid interposed between the bottom of the container and the upper surface of the support member. After vibrating the bottom of the container, beverage in the container is imaged by an imaging unit to detect a defective container which is not sealed properly.

Abstract: An inertial sensor assembly has three silicon chips that are each machined to form a respective vibrating inertial sensor, an acceleration sensor and engaging edge formations. The three chips are assembled in an orthogonal arrangement by engaging the edge formations with one another.

Abstract: A method for checking the sealing of a package, which includes a base part and a cover. A vibratory component is enclosed in a cavity in a gas of defined viscosity. Upon penetration from outside of a gas of different viscosity, the viscosity in the cavity, and thus also the vibratory properties of the vibratory element, are influenced. The sealing of the package can thus be checked at any time. The vibratory element can also be used generally to measure viscosity.

Abstract: A sensor structure for use with container inspection systems utilizes a continuous-wave (CW) microwave radar to measure the curvature or the vibration characteristics of a container wall through a thick corrugated cardboard case top or on a single item container processing line. A radar antenna directs RF energy toward cans moving along a conveyor. The antenna emits a beam which, over time, illuminates a narrow region along a line from one outer edge of the can to the opposing outer edge, as the can passes the antenna. During this time, a continuous measurement of the relative change in distance from the antenna to the top of the can is generated and sampled for acquisition by a computer, and an estimate of the profile is made from changes in the distance measurement. The profile is used as a measure of the internal pressure of the can or as an indication of the presence of manufacturing defects.

Abstract: An acceleration sensor element constitutes a piezoresistance type acceleration sensor in which an acceleration sensor chip including a cantilever structure of mass and beam parts and a piezoresistor formed on the beam part is mounted on a main lead which is slanted for positioning the piezoresistor and the center of gravity of the mass part substantially on the same horizontal plane in a mounted state of the sensor. The element thereby improves the reliability and assures such property as other-axis sensitivity of the sensor at the time of shipment.

Abstract: A method for analyzing the internal pressure of a closed container includes inducing vibration in a surface of the container; detecting sound resulting from the vibration; deriving information representing the detecting sound; and determining whether this information corresponds to a predetermined spectral frequency condition and a predetermined spectral amplitude condition. To ensure that the test results are not affected by modulating distortion which may be present in the information, the information is tested for the presence of a modulating distortion, and if so processed to compensate for the effects of this modulating distortion, prior to being tested against the predetermined spectral conditions.

Abstract: An accelerometer providing shear isolation from unwanted shear forces by means of a shear isolation member located inside the accelerometer housing. The shear isolation member is rigidly attached to the housing at a mounting end and one or more piezoelectric crystals are mounted on a crystal mounting region. The mounting end is sufficiently far from the crystal mounting region that shear forces exerted on the accelerometer housing are not transmitted through the mounting end to the crystal mounting region, while vibrations, which affect the entire accelerometer, produce shear forces in the crystal which are easily detected.

Abstract: A force indicating device for monitoring acceleration forces developed during the motion an object. The device, when attached to a swinging or rotated sports implement, can be used to improve the speed and consistency with which the implement is swung.

Abstract: A method and apparatus for leak testing an article in which an evacuable test chamber and a mass spectrometer leak detector are provided. The conduit links the test chamber and the mass spectrometer. A first valve is provided nearer the test chamber and a second valve is provided nearer the leak detector for controlling the flow through the conduit and for defining between the valves the trapped volume that is associated with the conduit. The trapped volume is evacuated with the first valve closed and the second valve opened. The pressure differential between the first point situated intermediate the first valve and the test chamber is measured and a second point situated intermediate the second valve and the leak detector is measured. The pressure differential between the first and second points is measured and a pressure differential reference point is determined. The second valve is closed to form the trapped volume and the first valve is opened to communicate the trapped volume and the evacuation chamber.

Abstract: The present invention relates to a system for sensing leakage which comes from a battery and flows in a battery pack. The system comprises a electrical leakage sensor for sensing whether a battery is leaking and outputting the sensed result; a leakage display for displaying in response to the leakage sensor; a leakage communicator for receiving the sensed result from the leakage liquid sensor and transmitting it to a portable electronic equipment. The leakage sensor either utilizes a conductive glass mat or a pair of complementary interdigitated electrodes disposed on the surface of such sensor. The system senses a leakage occurring from a battery and collecting at the bottom of a battery pack and displays the sensed result together with transmitting the sensed result to a portable electronic equipment.