Abstract: A device for heating or cooling air, has a housing with an inlet and an outer, as well as an inlet plenum and an outlet plenum for passing air through the housing. A heat sink defines a plurality of air passages between the inlet and outlet and fans in the housing move air through the inlet plenum, across the passages, into the outlet plenum. A plurality of Peltier modules in the housing each have one surface in heat transfer contact with the heat sink and an opposite surface in contact with a heat transfer circuit such as a flow or water in pipes, for cooling or heating the opposite surfaces. A purely relay-based, or PWM-based power circuit is connected to the modules for powering the modules and fans to cool or heat the heat sink.

Abstract: There is disclosed a stirling system in which a rotary-type high-temperature expansion mechanical section, a rotary-type low-temperature compression mechanical section and a driving shaft common to both the mechanical sections are stored in a sealed container to achieve remarkable simplification and improvement of durability. In the stirling system, the rotary-type high-temperature expansion mechanical section and the rotary-type low-temperature compression mechanical section for constituting a stirling cycle, and the driving shaft common to both the mechanical sections are stored in the sealed container. The sealed container is divided into a rotary-type high-temperature expansion mechanical section side and a rotary-type low-temperature compression mechanical section side by a partition wall.

Abstract: A low temperature cryostat is disclosed. The low temperature cryostat may include a cryostat vessel, a cooling device arranged in the cryostat vessel for producing a cooling temperature level, a microscopy device for examining a sample, and at least one thermal coupling for thermally and mechanically connecting the microscopy device to the cooling device. The cooling device may comprise a pulse tube cooling system.

Abstract: An ice-making machine with an add on board that has a processor, a log program and a log memory. The log program periodically writes current values of operation parameters of the ice making of the machine in the log memory and makes the logged data available to an external device at predetermined times or when the current values contain an error condition.

Abstract: An economized refrigeration system includes a main refrigerant circuit having a condenser, an evaporator, an economizer, an expansion device intermediate the condenser and the economizer, and a main compressor fluidly connected by a main refrigerant line. The system also includes an economized refrigerant circuit including an auxiliary compressor system and an auxiliary refrigerant line fluidly connecting the economizer to the auxiliary compressor system and fluidly connecting the main refrigerant line to the auxiliary compressor at a location intermediate the main compressor system and the condenser. The auxiliary compressor system is independently controllable with respect to the main compressor system.

Abstract: Disclosed are methods of transferring heat to or from a fluid or body comprising causing heat to be transferred to or from a composition comprising at least one trifluoro, monochloropropene.

Abstract: An air conditioning system comprising an air mover for circulating air to a space; a vapor compression circuit including a compressor, a condenser, and an expansion device; an evaporator; an air-reheat heat exchanger; and a control system. In one embodiment, the evaporator receives refrigerant from the vapor compression circuit and provides a cooled stream of air to the space. The air-reheat heat exchanger is positioned to receive the cooled stream of air. In one embodiment, the vapor compression circuit, the evaporator, and the air-reheat heat exchanger are operable in combination to provide a plurality of modes of operation. In a preferred embodiment, the control system is configured to compute a Sensible cooling-to-Total cooling (S/T) process ratio and to control an operation of at least one of the vapor compression circuit, the evaporator, and the air-reheat heat exchanger. A method of manufacturing the air conditioning system is also provided.

Abstract: In a refrigerant cycle device having an ejector, a branch portion for branching a flow of refrigerant flowing out of the ejector into at least a first refrigerant stream and a second refrigerant stream is located. A first evaporator for evaporating the refrigerant of the first refrigerant stream is located to allow the refrigerant to flow to a suction side of the compressor, and a second evaporator for evaporating the refrigerant of the second refrigerant stream is located to allow the refrigerant to flow to an upstream side of a refrigerant suction port of the ejector. In addition, the branch portion is located to maintain a dynamic pressure of the refrigerant flowing out of the ejector, and the second evaporator is connected to the branch portion in a range where the dynamic pressure can be applied to an inside of the second evaporator.

Abstract: In an air conditioner (10), a refrigerant adjustment tank (14) is disposed in a refrigerant circuit (11). The refrigerant adjustment tank (14) is disposed just after an expander (16). In the refrigerant circuit (11), a liquid injection line (31) and a gas injection line (33) are arranged. When a liquid side control valve (32) is placed in the open state, liquid refrigerant in the refrigerant adjustment tank (14) is supplied through the liquid injection line (31) to the suction side of a compressor (15). On the other hand, when a gas side control valve (34) is placed in the open state, gas refrigerant in the refrigerant adjustment tank (14) is supplied through the gas injection line (33) to the suction side of the compressor (15).

Abstract: A temperature regulation system of the type utilizing free solar energy or electrical power, or both of them to heat up air and create thermo-siphoning effect and air driving force in order to regulate temperature, exchange air, and filter air. With the aids of electrical fan temperature regulation module to enhance its performance and support its functions while solar energy is not available or less. Three movable air flow channel units (1801, 1904, and 2008) that direct air flow directions in system to makes system functions controllable. A two-versioned bi-direction air flow channel extender (2201a and 2201b) being attached to system to improve indoor heat convection, and air filters (1806 and 2005), fan filter (1501), and indoor air filter units (2301 and 2302) being equipped in or attached to system makes air filtration possible. A system framework (FIG. 7) provides supporting mechanism for all system parts, aid, and attachments, and provides mechanism for mounting system to object.

Abstract: A heat pump system is disclosed that utilizes one or two compressors and multiple heat exchangers to provide forced air heating, radiant heating and/or water heating for an interior space. A controller directs energy to these multiple system outputs to provide maximum comfort, effectively utilize any excess energy, address fluctuations in energy output, prevent unsafe operating conditions and avoid intermittent compressor operation. The system may provide energy for a water heater in both heating and cooling mode, and control operation of the water heater to utilize system energy whenever possible and avoid use of a conventional water heater heating element. Load Management Control is also provided so that the system may be shut down remotely by a utility company.

Abstract: A refrigerated merchandiser that includes a case, a refrigeration system, at least one sensor, a controller, and a display. The refrigeration system is in communication with a product storage area of the case, and discharges a refrigerated airflow into the product storage area to refrigerate product. The refrigeration system includes a compressor, a condenser, and an evaporator coupled in series. The sensor is in communication with the refrigerated airflow to sense an airflow temperature and to generate a signal indicative of the airflow temperature. The controller is in electrical communication with the sensor to receive the signal indicative of the airflow temperature, and includes an algorithm that calculates a temperature of the product based on the signal indicative of the airflow temperature. The display is coupled to the case and is visible from outside the case, and is in electrical communication with the controller to show the calculated product temperature.

Abstract: A cooling apparatus comprises one or more cooling stations for installation in a support structure to provide a chilled surface for supporting a receptacle holding a comestible product. Each cooling station has a housing for being installed in the support surface and a cooling disc assembly mounted on the housing. The chilled surface is formed by a top disc of the cooling disc assembly in direct contact with a chilled fluidic cooling medium circulated through a cooling chamber of the cooling disc assembly. The housing provides a thermal barrier around the cooling disc assembly. The chilled surface provides heat transfer between the comestible product and the fluidic cooling medium in the cooling chamber to maintain the comestible product in a cooled state.

Abstract: An air conditioning installation cools computer apparatuses by air-conditioning a room where the computer apparatuses are installed. The air conditioning installation includes:(a) an inlet duct for making air flow into the room; (b) an air-conditioner which sends air into the inlet duct, and (c) inlet fans for the respective computer apparatuses to be cooled. The inlet fans are disposed at positions corresponding to inlets of the computer apparatuses installed in the room, and send air flown through the inlet duct into the room such that the air flows toward the inlets of the computer apparatuses.

Abstract: Apparatus for regulating refrigeration systems including a refrigerant fluid and comprising transport means (2) of the refrigerant fluid, suitable to carry and transport the refrigerant fluid, measurement means (3) suitable to measure the quantity of refrigerant fluid contained in the refrigeration system and a connection device (4) suitable to functionally connect the transport means (2) and the measurement means (3) simultaneously to the refrigeration system.

Abstract: A slush drink maker for household use is described. It includes a base housing a motor, a mixing chamber removably mounted on the base, an ice canister and auger assembly disposed substantially horizontally inside the mixing chamber, and a cover for covering the mixing chamber. The ice canister and auger assembly include a cylindrical ice canister, an auger disposed around the ice canister, and a gearbox which drives the auger to rotate in a first direction and drive the ice canister to rotate in a second direction opposite the first direction. The ice canister has a divider that divides an interior space of the ice canister into two or more compartments parallel to a rotation axis of the ice canister. In addition, the auger and the front end of the mixing chamber have improved shapes which facilitate the dispensing of the content from the mixing chamber.

Abstract: A product dispenser including a divider having at least one inlet zone recharge aperture disposed above an inlet zone of a cold plate, and at least one outlet zone recharge aperture disposed above an outlet zone of the cold plate, allows increased amounts of ice stored above the divider to be directed onto the inlet zone to compensate for an increased temperature of the inlet zone. The inlet zone recharge aperture is of a greater area than the outlet zone recharge aperture, or in the case of multiple apertures, the areas of like zone recharge apertures are combined to ensure that increased ice flow is delivered to the inlet zone. A method for distributing increased ice flow to the inlet zone to deliver chilled fluids within consumption specifications is also provided.

Abstract: A liquid cooler is disclosed that includes a housing and at least two heatsinks attached with the housing. The heatsinks each include a top wall with an inwardly facing wall, a bottom wall with an inner surface, interior sidewalls and an interior lower wall. The inner surface is formed to surround and contact a portion of an outer surface of a container. The inwardly facing wall, the interior sidewalls, and the interior lower wall define a cavity. The interior lower wall of the cavity includes at least one heat fin. An outer covering is included and surrounds the heatsink. A method of rotation is provided to rotate the heatsink and the outer covering.

Abstract: A cooling jacket resistor includes a passageway incorporated into a wall and across the entire inside length of a cooling jacket from an inside of the cooling jacket. The passageway may include at least one sump and may have a depth that inclines from a first to a second end. The cooling jacket resistor may be positioned at the lowest point of the cooling jacket when installed in an electrical motor/generator. The cooling jacket resistor may collect condensed refrigerant in liquid form and may transport the condensed refrigerant towards a drain port by gravity. The condensed refrigerant may then be drained from the cooling jacket resistor through the drain port. The cooling jacket resistor may be suitable for, but not limited to, applications in electric motors or generators that uses vapor as a coolant, for example, two-stage refrigerant cooled vapor cycle compressors.

Abstract: A method for retarding a greenhouse effect includes a) collecting a carbon dioxide component contained in the air, b) making the carbon dioxide component into a dry ice, and c) storing the dry ice in a storage space. Thus, the carbon dioxide is collected successively to reduce the carbon dioxide in the atmospheric layer quickly so as to retard the greenhouse effect efficiently so that the surface temperature on earth is kept at a normal state without rise. In addition, the carbon dioxide that is disposed at a gas state is made into a dry ice that is disposed at a solid state, so that the dry ice is stored in the storage space permanently, stably and safely without incurring evaporation or leakage.

Abstract: Liquefied natural gas (LNG) facility employing an intermediate pressure distillation column for recovery of ethane and heavier components from the processed natural gas stream in a way that increases operational stability and minimizes capital and operating costs.

Abstract: An improved sol-gel process is disclosed for the making of large synthetic silica based bioactive materials objects crack-free. A series of ordered mesoporous SiO2—CaO—P2O5 sol-gel glasses which are highly bioactive are synthesized through a sol-gel process. The mesoporous glasses are highly bioactive compared with conventional ones, due to the increased textural characteristics, i.e. surface area. The bioactivity tests point out that the surface area, porosity, and 3D-structure become more important than chemical composition during the apatite crystallization stage in these materials, due to the very high textural parameters obtained. The product is intended to be used for tissue engineering applications.

Abstract: The present invention provides process for fabricating an optical fiber assembly that includes two or more integral optical fiber elements having different interface characteristics, where at least one of the elements is a fiber optic device (fiber grating, in-fiber polarizer, coupler, mode filter, etc.), and where the length, and thus the cost, of each fiber optic device is advantageously optimized. The inventive process utilizes a two-stage approach, where at a first process stage, one or more optical fibers are spliced to one or more predetermined optical fiber device preforms (usable to fabricate one or more optical fiber devices), and where at a second process stage, one or more preform processing techniques (such as one or more of: drawing, twisting, etching, wrapping, etc.), are applied to the one or more preforms, to fabricate one or more corresponding optical fiber devices that are already integral with the optical fibers on one or both ends, thus forming the desirable optical fiber assembly.

Abstract: A laundry basket system comprising a rectangular base with a plurality of wheels. The base has a vertical, U-shaped frame member supported thereon, a laundry basket capable of holding a full load of laundry in turn being coupled to the frame member. The vertical frame has a series of holes formed along its vertical length on both sides, serving as height adjustments to enable the user to deposit clothing into a washer or dryer. Adjustable lock pins built into the basket snaps into position into selected holes in the frames member to position the basket at a desired vertical height. The basket has the ability to rotate so that the contents of the basket could be deposited directly into a dryer, and, after the laundry is dry, onto a folding table.

Abstract: A combination and key operated padlock is disclosed. Turning the dials to a correct combination will unlock a shackle to align a green indication member with an indicator window and remain same when the lock is locked again by turning the dials to an incorrect combination. Inserting a key into a keyhole and clockwise turning a key turning assembly will unlock the shackle wherein a red indication member moves to align with the indicator window. Counterclockwise turning the key will lock the shackle with the color “red” still displayed through the indicator window so as to advise the owner of the lock that the lock has been opened by means of a key.

Abstract: A door lock assembly includes a spindle tube inserted rotatably into a sleeve connected to a handle. A spindle drive is disposed in the spindle tube adjacent to a driven shaft that is disposed in the spindle tube and that has a driven part driven by a driving tooth of the spindle drive to rotate the driven shaft. A clutch tube is inserted into the spindle tube and is sleeved around the driven shaft. The clutch tube is connected movably to and moved by the driven shaft so that the clutch tube is connected to the sleeve in an unlocking position of the door lock assembly, or separated from the sleeve in a locking position. Thus, the handle idles in the locking position.

Abstract: An automatically or manually operable closure system for a closing flap (4) on a transport container (1) is situated distributed on the container frame (2) and a docking stand (3) at an unloading station. A rotating device for moving the closing flap (4) is provided on the docking stand (3) and a locking device for locking the closing flap (4) in the closed position is provided on the container frame (2). A flap shaft (5), whose other end is mounted rotatably in the container frame (2) and is implemented as a first connection element (7), engages axially to the rotational axis (24) of the closing flap (4). The first connection element (7) is axially coupled using a torsion-fixed tongue-groove pair to an axially displaceable second connection element (10). An axially acting compression spring (11) is situated between the two connection elements (7, 10). The second connection element (10) engages in a rotationally-fixed locking element in the closed position of the closing flap (4).

Abstract: The present invention suppresses rattle and assembly inaccuracies of a magnet and magnet detection means, and detects with certainty the position of a lock bolt. The power steering lock unit comprises a lock bolt, which is movable between lock and unlock positions, an actuator for causing the lock bolt to move; a transmission mechanism for transmitting the drive force of the actuator to the lock bolt; and position detection means for detecting the movement position of the lock bolt. The position detection means comprises a movable member to which a magnet is fixed, a base plate on which magnetic detection means for detecting the magnetic force of the magnet is disposed, and a holder for movably holding the movable member at a prescribed spacing from the base plate. A linking mechanism is provided for operating the movable member in response to operation of the lock bolt or the transmission mechanism.

Abstract: The invention relates to locking devices for doors in office facilities and domestic premises, for safes and etc. The device contains the key, housing with keyhole, reciprocating ram, locking module and at least one deadlock has new conditions. The control unit interacts with reciprocating ram and key extractor interacts with control unit. The reciprocating ram is mounted under the condition of its overlap of the keyhole and interaction with the control unit. A locking assembly unit is executed in the form of fixed and movable against the housing locking modules interacting between each other. Fixed locking module has code overhangs suitably matched to the code openings and/or key deepening. Extractor positioning provides a means for key moving during lock opening from the ram slot to the position of contact with mentioned code overhangs. The position of movable locking module provides a means for its interaction with at least one spar piece with the help of control unit.

Abstract: A method and apparatus for compositing putrescible waste material, the apparatus including a stationary elongated compositing chamber which is mounted to be generally horizontal in orientation or slightly inclined from an inlet end to an outlet end and includes at least one rotatable shaft therein with paddles or tines that extend therefrom in a generally helical pattern. Rotation of the shaft causes the composting material to move along the chamber. Air is injected into the compositing chamber and accumulates in a headspace above the compositing material where it is measured for flow rate, gas content and temperature and eventually removed from near an inlet end of the chamber.

Abstract: A system and method for treating solid waste includes a trommel screen and a composting unit. The trommel screen includes an inlet hopper and a rotating screening drum, which can be equipped with internal channeling members and bag rippers with blades. A composting and/or dewatering apparatus has a vessel portion, a cover portion and an internal auger. The apparatus includes a plurality of openings along its vessel portion to permit a volume of liquid from within the composting apparatus to be eliminated. The composting/dewatering unit can also include a sleeve member along the outside of the vessel portion. In one embodiment, waste items passing through the screening drum of the trommel screen are conveyed into the composting unit. In another embodiment, the discharged liquid is collected in one or more liquid collection structures and is conveyed to a clarifier tank.

Abstract: The invention relates to a fertilizer granule containing ammonium nitrate, comprising a core containing ammonium nitrate and a coating layer containing calcium sulphate. The coating layer consists of a mixture containing calcium sulphate and ammonium nitrate. Such a fertilizer granule is preferably produced by contacting the core with an aqueous ammonium nitrate solution and solid calcium sulphate particles, either as a slurry or separately. The production of the fertilizer granule is safe and easy.

Abstract: A novel phosphatic/potash compound fertilizer and a method of producing the same are provided for improving the solubility of phosphate components contained in an incinerated ash residue of chicken droppings for efficient utilization of the ash residue, with the alkalis of the lime component origin being neutralized.

Abstract: A non-contact spray lubrication device is provided that applies a thin layer of lubrication to a sheet of metal emanating from a coil. The amount of lubrication is important for metal forming and thus the speed of which the coil is being placed near nozzles of the non-contact spray lubricator is monitored by a plurality of proximity sensors that dictate the amount of spray being dispensed out of a nozzle and/or the speed of the coil.

Abstract: The invention relates to a method for straightening a metal strip (1) which is guided in the direction of transportation (R) through a straightening machine (2) and is straightened. In the straightening device (2), the metal strip (1) is impinged upon by a straightening force (F) which is applied by a plurality of straightening rollers (3) in the direction (N) which is perpendicular to the surface of the metal strip (1). According to the invention, prior to the metal strip (1) entering into the straightening machine (2), the thickness (d) of the metal strip (1) is determined and the position (a) of the straightening rollers (3) in the direction (N) which is perpendicular to the surface of the metal strip (1) is taken into account according to the determined thickness (d).

Abstract: A roll-forming or bending machine (1) is provided for forming an angled or rounded and simultaneously tapered hollow body or similar workpiece from a material blank. The roll-forming or bending machine (1) has at least one tapered roll (2) and at least one counter element, between which a forming pressure can be applied to the material blank. The one counter element has an elastic surface and is constructed as a bending table (3) for supporting the material blanks, so that the one or more rolls (2) apply the forming pressure on the material blank on the bending table (3). The bending table (3) is guided so that it can move in the longitudinal direction and can rotate about a rotational axis (5), and the one or more rolls can move perpendicular to the longitudinal direction, allowing a change in the relative position of the roll (2) and rotational axis (5) of the bending table (3) caused by a rotational movement of the bending table (3) to be compensated.

Abstract: A release mechanism for use in a leveling apparatus that performs a leveling process on a work object that has been wound in a coil configuration as a result of the work object being passed between a front side work roll in contact with the front side surface of the work object and a back side work roll that is in contact with the back side surface of the work, wherein the releasing mechanism switches between a work clamp state that allows performance of the leveling process and a release state that releases the work object from the clamp state by displacing a work roll support member that supports one of the work rolls relative to the another support member to change a distance between the work rolls by utilizing rotational movement of an electric motor.

Abstract: A two-dimensional sheet material is provided that is suitable for bending along a bend line to form a three-dimensional object. The sheet material is provided with a plurality of displacements in a thickness direction of the sheet material on one side of the bend line. A portion of the displacements shear adjacent the bend line and define an edge and an opposed face. The edge and opposed face configured to produce edge-to-face engagement of the sheet material during bending. Alternatively, sheet material is provided with a plurality of displacements in a thickness direction of the sheet material on one or both sides of the bend line, and with a plurality of corresponding and cooperating protrusions to improve structural integrity and/or to improve electromagnetic and radio frequency shielding. The sheet material may also be provided with a self-latching structure. A method of preparing and using these sheet materials is also described.

Abstract: A press working apparatus is provided with a first working unit and a second working unit 14. In the first working unit, a first stage is performed for forming a half-blanked portion 15 with a projecting shape at a region where a through hole P is to be formed in a sheet W. In the second working unit 14, a second stage S2 is performed in which the half-blanked portion 15 is blanked from the sheet W by a second punch 26 and a second die 23. Also in the second stage S2, when a blanked body is blanked from the sheet W, shaving work is performed with respect to a side wall surface Pa on a region of the sheet W where the blanked body has been blanked.

Abstract: A draw forming method for drawing a blank material (15). In this method, a restraint region (98) that is an outer peripheral section (21) of the blank material is held by a first holder means (22), and then a tension region (97) inside the outer peripheral section is displaced upward by a second holder means (23) relative to the restraint region. The displacement applies tensile force to a drawing region (96) that is the central section of the blank material.

Abstract: Various apparatus and methods for bending a sheet of media are disclosed.

Abstract: A wire crimping tool has two arms and an adjustable wire crimping device. The arms are pivotally connected to each other and each arm has a handle and a jaw. The adjustable wire crimping device is mounted on the jaws of the arms and has a duel crimping cavity and a threaded extension member. The duel crimping cavity is defined in a first one of the jaws and aligns with a second one of the jaws. The duel crimping cavity has an upper segment with a bottom and a lower segment. The lower segment is defined in the bottom of the upper segment and has a diameter smaller than that of the upper segment. The threaded extension member is adjustably mounted in the second jaw and has a crimping tip extending out of the second jaw and aligning with and extending into the duel crimping cavity.

Abstract: A rotating filler cam system including a lower die having a plurality of filler cams rotatably connected to thereto. A plurality of wedge assemblies are connected to a drive shaft, wherein upon actuation of the drive shaft, the wedge assemblies are driven to contact the filler cams and rotate the filler cams from a non-flanging to a flanging position.

Abstract: A press brake die holder for holding a press brake die having an upper, work-contacting portion and a lower, elongated tang. The die holder has an elongated body with a channel bounded by confronting walls, the channel being configured to receive the tang of the press brake die.

Abstract: Embodiments of the invention provide novel, industrially applicable, and non-obvious apparatus and methods for automatically, routinely, and accurately calibrating a trace detection portal. Embodiments of the apparatus include a calibrant container; a substance (or substances) uniquely identifiable by a trace detection portal as a calibrant; unique placement of the calibrant container's outlet relative to a substance collection port of a sample collection chamber; and/or computer executable instructions that, when executed by a computer processor, cause a consistent release of a measured amount of calibrant into the sample collection chamber upon command and/or at pre-determined time intervals.

Abstract: One aspect of the invention relates to a system adapted to calibrate a determination of information related to one or more gaseous analytes in a body of gas being delivered to an objective by a gas source. In one embodiment the system comprises a partial pressure sensor, a total pressure monitor, a partial pressure module, and a calibration module. The partial pressure sensor generates an output signal related to the partial pressure of the one or more gaseous analytes in the body of gas. The total pressure monitor determines the total pressure of the body of gas. The partial pressure module determines the partial pressure of the one or more gaseous analytes in the body of gas according to a partial pressure function, wherein the partial pressure function describes the partial pressure of the one or more gaseous analytes in the body of gas as a function of the output signal generated by the partial pressure sensor.

Abstract: Load-bearing devices, each including an overload indicator of the present invention interconnecting load bearing connectors, preferably elongated load bearing connectors are provided. In preferred embodiments, the load bearing connectors are chains, ropes, wire ropes, cables, straps and the like, preferably chain. The overload indicator includes a link having a strand of wire form material. The strand of wire form material having first and second portions, the first portion having a first strength; the second portion including a weaker segment having a second strength which is less than the first strength. The weaker segment preferably has a generally predetermined load bearing capacity or capability and is calibrated to reduce the load bearing capacity or capability of the overload indicator. Methods of making an overload indicator and a load bearing device including an overload indicators of the present invention are also disclosed.

Abstract: Impact-sensing and measurement systems are disclosed, especially for use in contact sports and related activities that involve exchanges of impacts or blows. The system generally includes at least one impact sensor, a controller, and a feedback device. The controller is in communication with the at least one impact sensor, and includes a microprocessor having a control program software executed thereon at least for processing data from the at least one impact sensor. The feedback device is in communication with the controller and is configured to produce an audio or video output, or combined audio and visual output, based on impact data produced by the impact sensor upon sensing an impact and processed by the first controller. The controller can be programmed to provide specialized training regimens and/or interactive training programs, such as over a computer network.

Abstract: A universal air bubble detector allows for use with a variety of sizes and types of tubing. The detector maintains proper alignment of a sensor emitter and receiver with different sizes of tubing. The detector may be mounted on existing equipment or may be used to monitor a tubing at any position along the tubing, and may operate in a stand alone mode or in combination with existing equipment.

Abstract: A sensor is provided which is able to determine the level of contaminant gas within a gas stream. In particular, the sensor is able to detect the level of hydrogen gas contamination within an oxygen containing gas stream, or the oxygen gas contamination within a hydrogen containing gas stream. The sensor has a first temperature measurement device which measures a first temperature within a catalyst bed which catalyst bed catalytically effects the reaction of hydrogen and oxygen to produce heat. The first temperature is compared to the temperature of the original gas stream measured using a second temperature measurement device. The difference in the first and second temperatures provides a heat signature which can be related to the contaminant gas concentration. A simple, cost effective and reliable contaminant gas sensor is provided.