Abstract: An air conditioning system to treat a latent heat load and a sensible heat load in a room includes a plurality of utilization units, a heat source unit, and connection pipes that connect between the units. The utilization units include adsorbent heat exchangers provided with an adsorbent on the surface of each. The utilization units are configured to alternate between an adsorption process and a regeneration process. The heat source unit includes a compression mechanism and an accumulator.

Abstract: An ice-cube making device for use in a refrigerated cabinet is provided. The ice-cube making device is attachable to a freezer liner and thus makes efficient use of the space in the freezer cavity. The ice-cube making device includes a mechanism for extracting ice by applying a twisting torque to one or more ice-cube trays therein. The ice-cube making device may also include mechanisms for refilling the ice trays with water and for providing a user-friendly installation. Aspects of the present invention may be performed either manually or may be automated.

Abstract: The invention relates to an insulated container (11) which can be evacuated and has an application (12) to be cooled, in which insulated container (11) a vacuum can be built up by means of a vacuum pump (22). In order to allow the vacuum pump (22) to be switched off during normal operation, a getter material (26) is arranged in the insulated container and binds gas components which penetrate into the insulated container as a result of unavoidable leakages. The invention provides for the getter material to be accommodated in maintenance areas (20), which can be disconnected by means of valves (21) from the working area (18) which contains the application (12). This allows the getter materials (26) in each maintenance area to be replaced or regenerated, while the operation of the application (12) to be cooled can be maintained owing to the partitioning of the working area (18) from the maintenance area (20).

Abstract: At least one embodiment of the inventive technology relates to a frozen environmental sample temperature control system that comprises a frozen formulation having water in an amount from substantially 87% to 78% by weight of the formulation, and salt in an amount from substantially 13% to 22% by weight of the formulation, the system further including at least one container containing the frozen formulation; and a cooler having insulating material disposed between an outer wall and an inner surface that defines an inner chamber into which the at least one container and the at least one frozen environmental sample may be placed for storage and/or transport. Various embodiments may incorporate specific types of insulating material and/or adaptations to an inner surface of the cooler to enhance the insulation effected thereby.

Abstract: A free cooling conditioning device for climate controlling of an enclosed space comprising, inside a box-like containment body, a first main fan for aspirating air from the enclosed/outside space, an evaporator, to which the first fan sends aspirated air to introduce it in the enclosed space, a condenser associated with the evaporator, a second fan for air flow over the condenser, a compressor, associated with the condenser and the evaporator to form a refrigeration circuit for aspirated air cooling, a first shutter, upstream of the first fan, for selecting the air stream aspirated by the first fan, from either ambient air, for a direct-cooling conditioning, or external air for free cooling conditioning, and a second shutter for redirecting the air stream in output from the enclosed space either toward the second fan, in the second free cooling mode, or toward the first shutter, at least partly open toward the first fan, for aspiration of ambient air, in the cooling mode.

Abstract: A storage system that has variable temperature includes one or more drawers. The one or more drawers are independently operable of one another. A heating and cooling system is in thermal communication with the one or more drawers. The heating and cooling system generates even air-flow around all sides of the one or more drawers for heating and/or cooling thereof.

Abstract: An article of manufacture for making and producing a plastic three layer freezable food containers with food containers preferably made of plastic analogous to Rubbermaid and Tupperware containers. The container defines a volume with an inner surface of plastic for supporting a food product. The container defines a second wall of plastic in which the container has a freezable layer of blue gel that is sealed between the first and second walls of plastic and the freezable layer is made of freezable material such as “Blue Ice” which enhances the chilling of the food products supported in the volume. The container has a third layer of plastic which creates a insulating layer of air to help absorb and insulate the second frozen layer from the outside temperatures therefore helping to maintain refrigerated temperatures in the inner container surface of plastic for up to 8 hours in a stand alone situation.

Abstract: An air conditioning system includes a plurality of latent heat utilization side refrigerant circuits which are connected in parallel with one another, and a plurality of sensible heat utilization side refrigerant circuits which are connected in parallel with one another. The latent heat utilization side refrigerant circuits include adsorbent heat exchangers provided with an adsorbent on the surface of each. The sensible heat utilization side refrigerant circuits respectively include air heat exchangers and are capable of exchanging heat between the refrigerant and air.

Abstract: An ejector refrigerant cycle device includes an ejector that has a nozzle portion for reducing pressure of refrigerant on a downstream side of a radiator to expand the refrigerant, and a refrigerant suction port from which refrigerant is drawn by a high-velocity refrigerant flow jetted from the nozzle portion, an evaporator that evaporates refrigerant and flows out the evaporated refrigerant to the refrigerant suction port, a flow amount changing unit that changes a refrigerant flow amount flowing into the evaporator, and a pressure abnormality detecting portion for detecting a pressure abnormality of a high-pressure refrigerant on an upstream side of the nozzle portion. In the ejector refrigerant cycle device, when the pressure abnormality detecting portion detects the pressure abnormality, the flow amount changing unit makes the refrigerant flow amount flowing into the evaporator larger than that in a normal pressure state of the high-pressure refrigerant.

Abstract: There is provided a refrigerator. The refrigerator includes a compressor for compressing a refrigerant, a condenser for heat-exchanging the compressed refrigerant with ambient air, an expansion member for expanding the heat-exchanged refrigerant, a condensing pipe interconnecting the condenser and the expansion member, a vaporizer for heat-exchanging the expanded refrigerant with a cooling air in a freezing or cooling chamber, and a suction pipe interconnecting the vaporizer and the compressor and associated with the condensing pipe to allow a heat exchange between the suction pipe and the condensing pipe.

Abstract: To provide an expansion device which controls high pressure-side pressure such that the pressure does not exceed a predetermined pressure in terms of absolute pressure, while operating in response to differential pressure between pressure at an inlet thereof and pressure at an outlet thereof. An expansion device comprises an orifice for expanding refrigerant, a valve element disposed on a downstream side of a valve hole and urged by a shape-memory alloy spring in a valve-opening direction, a shaft disposed to extend through the valve hole and having one end thereof rigidly fixed to the valve element, and a spring provided at the other end of the shaft, for receiving load generated by differential pressure between pressure of refrigerant at an inlet of the device and pressure of refrigerant at an outlet thereof, in a valve-opening direction.

Abstract: An apparatus and method useful for partially condensing vapor in the upper section of a fractionation tower to separate and remove a lighter gaseous fraction from a condensed liquid component, such as nitrogen from natural gas. A downflow, knockback condenser is disclosed that utilizes a vapor riser to introduce a flow of vapor into a headspace above a vertical tubular heat exchanger, thereby establishing a downflow of condensed liquid and a lighter gaseous fraction through the heat exchange tubes.

Abstract: A clamping tool of chain ends of an accessory in which a holder provided at one end of a chain portion of the accessory is engaged with a holder receiver provided at the other end of the chain portion to be interlocked with each other, wherein the holder and the holder receiver are respectively provided as attracting members with magnets attracting each other or with a magnet and a metal material attracted by the magnet at positions capable of guiding the holder and the holder receiver to a proper engaging location. In accordance with the invention, a pair of interlocking members can be guided to and located at proper interlocking positions with respect to each other without depending on visual observation.

Abstract: The invention relates to a safety device comprising long elements (1) which are guided using slits (2) and grooves (3). A two-sided button (4) is disposed between the slits in the long elements (1) and is used to slide said elements in order to obtain the desired length.

Abstract: Magnetically connected socket joint components comprise one or more paired components so as to form socket joint structures which can form various different articles, such as, for example, articles of jewelry, toys, educational implements, games or amusement devices, instructional aids, eyeglass frames, robotic arms, prosthetic devices, human replacement joints, and the like. The socket joint structures comprise convexly configured male and concavely configured female socket components which may be fabricated from suitable magnetic materials, or alternatively, the convexly configured male socket components may be fabricated from suitable magnetic materials while the concavely configured female socket components may be fabricated from suitable ferromagnetic materials, or vice versa.

Abstract: An apparatus, a system and a method for connecting a first ornamentation to a second ornamentation are provided. A first end and a second end are connected to a first ornamentation and/or a second ornamentation which may be, for example, a jewel. Indentations are formed in the first end and the second end to receive rings which may surround the first end and the second end. The rings may glow in the absence of light. The first end may have an opening for receiving a rod. The second end may be removably connected to the rod. The opening in the first end may be sized to receive the rod to secure the first end to the second end.

Abstract: A ring having health promoting functions, which fits all fingers and comprises a fixed part, which is formed from a precious metal or titanium material and is comprised of a simple substance composition or a resin mixture composition of a simple metal or alloy powder, and an elastic flexible part.

Abstract: A preform is supplied between a pair of molding dies, followed by heating, softening and pressing. A smallest radius of curvature in the preform is smaller than a radius of a globular member having a volume equal to that of the preform. In this fabricating method, -an abutment portion between the molding die and the preform is located at a curved surface or the center of the molding die, thereby preventing any local abutment of the preform against the molding die.

Abstract: A gas supplying unit supplies a nitrogen gas into a furnace body of a graphite heating furnace in which at least a part of the furnace body is formed with a graphite. An exhausting unit exhausts a gas inside the furnace body to outside the furnace body. A dew-point temperature of the nitrogen gas supplied into the furnace body is equal to or lower than ?80° C. A pressure inside the furnace body is equal to or higher than 140 Pa with respect to an atmospheric pressure outside the furnace body.

Abstract: There is disclosed a knitting machine comprising: at least one knitting needle; at least one positive yarn feed device for feeding yarn to said at least one knitting needle; needle monitoring means for providing information relating to the at least one knitting needle during the course of a knitting operation; and a controller for controlling the operation of the positive yarn feed device; in which the controller is adapted to: receive information from the needle monitoring means during the course of a knitting operation; use said information to calculate a desired amount of yarn to be fed to a knitting needle; and control the positive yarn feed device so that the positive yarn feed device feeds the desired amount of yarn to the knitting needle during the course of the knitting operation.

Abstract: A take-off comb, in particular for a flat-bed knitting machine or a loop-forming machine, comprising a number of take-off elements that are held in a bed (19), with the bed consisting exclusively of bent sheet metal parts. The take-off elements (10) may comprise closing elements (15) that can be shifted by a closer ledge (35). The closer ledge (35) and, optionally, a slider (45) assigned to the ledge, are preferably also bent sheet metal parts. Consequently, the thusly configured take-off comb (7) can be manufactured in a cost-effective and precise manner.

Abstract: A pile knitting method by a weft knitting machine is provided in which a compound needle can be used to form a pile stitch and simultaneously hold other stitches. After a hook of a needle body receives a fastening yarn fed thereto, a carriage brings together a yarn feeder for feeding a pile yarn and the hook receives the pile yarn. On a front needle bed, the needle body is raised to a tuck position in a state where an old loop is set on a tongue of a slider. The hook of the needle body holds therein the fastening yarn. When the pile yarn is fed to the hook from the yarn feeder, the hook holds therein the fastening yarn and the pile yarn. The pile yarn is set also on a tongue of a slider on a rear needle bed, which tongue has been already raised and advanced into a needle bed gap.

Abstract: A washing machine which has no need of adding detergent by the user and the washing method thereof the said washing method comprises balancing setting the PH surface tension electrical conductivity and hardness of the washing liquid in a certain range, washing in general automatic washing machine with the use of a high PH electrolyzed water combined with a regulator; in which the PH of the said washing liquid is in the range of 8.5-1 I, the electrical conductivity of it is in the range of 261 us/cm-875 us/cm the surface tension is in the range of 2540 mN/m, the hardness is in the range of 5-400 ppm, if necessary 0.20.

Abstract: A washing machine is provided. The washing machine includes a cabinet defining a contour of the washing machine, a front panel coupled to a front portion of the cabinet, a control panel coupled to an upper portion of the front panel, upper panels coupled on both sides of the control panel, and side panels coupled on both sides of the front panel. Each upper panel is provided at a lower end with a hook portion. Each side panel is provided at an upper end with a hook hole in which the hook portion is inserted.

Abstract: A washing machine is provided. The washing machine includes a front panel defining a front portion of the washing machine, a decoration panel covering a front-outer circumference of the front panel, a coupling projection formed on at least one of the front and decoration panels, and a slot-shaped hole formed on at least one of the front and decoration panels so that the coupling projection can be sliding-coupled thereto.

Abstract: A charging opening arranged in the front side of the housing of a household appliance and which can be sealed by means of a door. A door handle, which can be fixed to a door frame, or a handle area, which is integrated into a door frame, enables the door to be moved with the hand. An optical display can signal the state of closure of the door and controllable illuminating means, internal to said device, can characterize operational states. The device improves perceptibility of optical signals which are emitted from a domestic appliance and to facilitate interpretation of the contents thereof by a user in relation to the situation of closure of the door. The door handle is provided with at least one illuminating means or is connected optically to said means such that the light can be emitted outwards from the door handle or handle area.

Abstract: The restraining apparatus includes a housing having an interior. A first end of a binding loop strap is attached to the interior of the housing and a second end is routed through the housing and connected to a handle for pulling with one hand. The binding loop is slideably movable in a first direction to reduce the overall dimension of the loop. The binding loop is slideably movable in a second direction to expand the overall dimension of the binding loop. A locking mechanism is disposed in the interior of the housing and connects to the binding loop. The locking mechanism includes both a lower cleat and an upper cleat for controlling the movement of the binding loop through a groove within the locking mechanism. When the lower cleat is engaged, the overall dimension of the binding loop decreases. When the upper cleat is engaged, the overall dimension of the binding loop increases.

Abstract: A lock includes a lock body and a separate removable shackle rotatably mounted within the lock body. The shackle may include a head portion at an end of a shackle stem. The shackle head may rotate with respect to the shackle stem.

Abstract: A golf club securing mechanism includes a rigid member and a flexible member. The flexible member is wovenly engaged with the rigid member to define one or more golf club holding regions between the flexible member and the rigid member. The flexible member can be manipulated to vary a size of the one or more golf club holding regions such that in a loose position a golf club can be positioned within one of the golf club holding regions and in a tightened position the golf club is tightly fixed between the rigid member and the flexible member.

Abstract: A lockable container comprising a lock portion and a container is provided. The lock portion has a first part and a second part, wherein the first part has an opening component and at least a lock mechanism, the second part has at least a latch driven by the opening component. The container fits the second part. The container has at least an inner space and a wedge corresponding to the latch. The lock mechanism restricts a displacement of the opening component when the lock mechanism is locked. The lock mechanism releases the opening component when the lock mechanism is unlocked.

Abstract: A door lock able to be prevented from being locked by an unexpected exterior force includes a main body, a fixing member and a handle. The main body is provided with a sleeve at the center extended outwards from two sides. One end of the sleeve is matched with a lining tube that is linked with a button. Via rotating the button for an angle, projections of a stopper attached with one end of the button is to be guided into a blocking groove of the lining tube, enabling the button to be locked in the blocking groove so that the button can not be pressed down, able to prevent the button from being locked by an unexpected exterior force.

Abstract: A combination tool includes a compact “D” shaped handle and a rotating drum for tool selection. The straight back segment of the “D” provides an axis for rotation of the drum. The drum includes opposed tool ends, either of which may be rotated into position for use. In a preferred embodiment, the tool ends are keys for releasing a tamper resistant cap over a Schrader valve. Each key is shaped for a cap used with a particular Freon® refrigerant used in an air conditioning unit. The drum includes indicia of which Freon® refrigerant the corresponding key matches.

Abstract: A protective sleeve for a lock includes a circumferential wall delimiting a longitudinal through-hole. The circumferential wall includes at least one longitudinal slot, forming at least one shielding skirt for shielding a housing of a latch mechanism of a lock that extends into the protective sleeve via the longitudinal slot. A tab extends from a perimeter delimiting the longitudinal slot into the longitudinal through-hole of the protective sleeve. The tab is extended through by an associated mounting post of the lock. A lock with such a protective sleeve is also disclosed.

Abstract: A water-dispersible particle is provided that includes a sulfate or phosphate of potash in an amount ranging from 5% to 99.9% by weight of the total dry weight of the particle. A binder component is present in an amount from 1% to 95% by weight. The sulfate or phosphate of potash and the binder component on that contact with water causes particle dispersion into more than 100 pieces. A process for making a water-dispersible particle includes mechanical aggregation of a sulfate or phosphate of potash into a pellet. A binder component is present in the particle in an amount ranging from 1% to 95% by weight. The sulfate or phosphate of potash and the binder component are present in a form such that contact with water causes particle dispersion into more than 100 pieces. The pellet is then dried and ready to be applied.

Abstract: A method for coiling thin metal strip (1), especially hot-rolled or cold-rolled thin steel strip, on a coiler mandrel (3a) which is adjusted in diameter. At the beginning, the inner windings (12) of the coil are coiled on the adjusted coiler mandrel diameter, and, after the final winding of the coil (11), the coiler mandrel (3a) is pulled out, or the coil (11) is taken off. One or more profile grooves (17) are pressed into one inner winding or into several adjacent inner windings (12) on the circumference during rotation of the coil.

Abstract: A self-retaining scraping device for continuously cleaning work rolls of a roller leveler assembly has a first wall having two angled or curved portions and a straight portion extending between the angled portions; and a second wall having two angled or curved portions and a straight portion extending between the angled portions. The first wall and second wall are connected to each other via the straight portions. The angled or curved portions of the first wall extend in an opposite direction from the angled or curved portions of the second wall. The scraping device is inserted between adjacent work rolls and has multiple scraping edges contacting outer surfaces of the work rolls to continuously clean the work rolls. The scraping device is supported by the work rolls.

Abstract: A computer controlled roll-forming apparatus is adapted to provide a repeating pattern of different longitudinal shapes to a continuous beam “on the fly” during the roll-forming process. A sweep station of the apparatus includes a primary bending roller tangentially engaging the continuous beam along the line level and an armature for biasing the continuous beam against the primary bending roller for a distance partially around a downstream side of the primary bending roller to form a sweep. Actuators adjustably move the armature partially around the downstream side of the primary bending roller between multiple positions for imparting a series of different longitudinal shapes. Internal and external mandrels control wall stability to allow even sharper sweeps. In one form, the apparatus also includes a coordinated cut-off, so that when separated into bumper beam segments, the ends of the individual beam segments have a greater sweep than their center sections.

Abstract: Profiles (50) are formed in a production line with a cross-section that varies along their length from a plane metal strip (10) that is unwound from a coil (9), whereby edge cutters (14) and a number of roll-forming units (17-24) are used where not only the edge cutters but also the roll-forming units can be displaced individually sideways relative to the strip. The edge cutters (14) and the roll-forming units (17-24) are individually controlled such that they follow the lines of extent of the side edges (51, 52) that are cut and the lines of the corners (53-56) that are subsequently formed, and the forming of one corner with a number of roll-forming units is started only after the forming of a corner that lies more closely to the edge of the strip has been completed.

Abstract: The invention relates to a device for producing a metallic product (1) by rolling, comprising: a first area (2) inside of which slabs are produced by primary shaping; a second area (3), which is located downstream from the first area (2) in the direction of flow (F) of the material and inside of which at least one first rolling device (4) for rolling slabs is arranged; a third area (5), which is located downstream from the second area (3) in the direction of flow (F) of the material and inside of which at least one second rolling device (6) for rolling slabs or the intermediate product produced therefrom is arranged, and; a fourth area (7), which is located downstream from the third area (5) in the direction of flow (F) of the material and inside of which at least one aftertreating device (8) for the rolled material is arranged In order to increase the economic efficiency of the device, this device is characterized by (having a conveying device (9) with which the metallic product (1) can be removed between th

Abstract: An apparatus for manufacturing a trapezoidal wire using two-set shaping rollers has a body rotating about a central axis at a predetermined speed, a plurality of first shaping roller sets installed along an outer circumference of the body, each first shaping roller set including an upper roller and a lower roller and a shaping portion, into which a wire is inserted to be processed, between the upper roller and the lower roller, and a plurality of second shaping roller sets arranged after the first shaping roller sets along the outer circumference of the body and in a direction in which the wire moves, each second shaping roller set comprising an upper roller and a lower roller and a shaping portion, into which the wire is inserted to be processed again, between the upper roller and the lower roller, wherein wires processed by the first and second shaping roller sets while passing therethrough are stranded by the rotating body.

Abstract: A water-cooled furnace roll has a hollow rotating arbor, having cooling fluid passages formed therein, wherein the arbor is formed from a heat resistant centrifugally cast alloy, and a plurality of annular tires spaced along said arbor and secured to the arbor, wherein the spaces between the tires is adapted to receive refractory material to insulate the arbor.

Abstract: A mandrel assembly has a mandrel, a biasing member, and a outer member. The biasing member biasly maintains the outer member in a first position, which corresponds to a contoured portion of the mandrel, when the outer member is either on the access or the blind side of a workpiece. The biasing member is compressible to allow the outer member to move into a second position as the outer member is moved through an opening in the workpiece. In the first position, the outer member includes a maximum outer circumference that is larger than the opening of the structural workpiece. In the second position, the outer member includes a maximum outer circumference that fits within the opening of the structural workpiece.

Abstract: To improve a bending apparatus for flat material parts, comprising a bending device at which the flat material part is positioned in an insertion plane prior to bending and remains in the insertion plane during bending, and a handling device having handling axes for picking up the flat material part from a feed position, inserting it into the bending device for bending, taking it out of the bending device and placing it in a deposit position, so that the bending apparatus requires as little constructional expenditure as possible, it is proposed that the handling device comprise a positioning axis, that the positioning axis have a greater positioning accuracy than the handling axes, that, when positioning the flat material part in at least one bending position relative to a bending line of the bending device, the positioning axis be aligned parallel to the insertion plane and parallel to a direction extending transversely to the bending line, and that, with handling axes rigidly secured, the flat material part

Abstract: The invention relates to an electrohydraulic pressing device (1) that can be operated using one hand. The device comprises a working head (30), an electric motor (4), a pump (20), a hydraulic reservoir (33), and a gear mechanism (19) extending between the electric motor (4) and the pump (20). A holding area (5) around which a hand is placed is provided and an actuating switch (39) is assigned to this area. The aim of the invention is to improve a pressing device of this type with regard to the handling thereof. To this end, the invention provides that the holding area (5) is formed around the electric motor (4), and the actuating switch (39) is situated between the electric motor (4) and the working head.

Abstract: An improved apparatus and method of securing a vehicle to a conventional vehicle repair frame rack utilizes conventional and readily available T-brackets or angle irons welded to four comers of the base of the vehicle to be repaired. A pair of square crossbeams extending in parallel from side to side, one of them near the vehicle's forward and the other near the aft end, under the base of the vehicle, are removably attached to the clamping tie-down members of the frame rack by sliding insertion through a first pair of aligned sleeves, each sleeve affixed to a bracket clamped by a tie-down member of the frame rack. Each crossbeam is releasably attached to the base of the vehicle by sliding insertion through a second pair of aligned sleeves bearing clamping assemblies, each clamping assembly of the invention being clamped to a T bracket welded onto the rocker panel, or angle iron, as the case may be, welded onto the bottom of the base of full-size-frame vehicles.

Abstract: A probe replacement method for a scanning probe microscope for measuring the surface of a sample, having a cantilever (21) having a probe (20), and a measurement unit for measuring a physical quantity between the probe and sample. The scanning probe microscope is provided with a cantilever mount (22), a cantilever cassette (30), an XY stage (14) and Z stage (15) for moving the cantilever cassette, and an optical microscope (18). In a first step, a cantilever is selected from the cantilever cassette and is mounted on the cantilever mount. In a second step, an optical microscope is moved and the mounted cantilever is set in a prescribed position in the field of view after the cantilever is mounted in the scanning probe microscope. In the second step, a step is provided for moving the optical microscope side or the cantilever side and performing positional adjustment.

Abstract: The invention regards monitoring the functional position of a hinge through a non contacting sensor, in particular working with a magnetic field, comprising a rotation position generator and a sensor unit, measuring over an angular range, wherein the rotation position generator, in particular the magnet on the one hand, and the sensor unit with the sensor element on the other hand, are opposing each other at a distance, and are rotationally fixed on the one hand to one of the pivoting parts of the hinge, and on the other hand to one of the non moving parts of the hinge, or of the component carrying the hinge.

Abstract: An impulse sensor having: a long elastic structure formed of a material to be deformed according to an impulse; a cable insertion hole formed in the elastic structure; and a cable inserted through the cable insertion hole, the cable being operable to cause a variation in propagation energy due to its deformation. A distance from a central line of the cable to an outer surface of the elastic structure is varied in a longitudinal direction of the elastic structure.

Abstract: A chemical sensing system has: an interrogation unit operable to wirelessly transmit an interrogation signal and wirelessly receive a response; an environmentally sealed container for holding a chemical analyte; a sensor array unit in fluid communication with the analyte disposed within the container, where the sensor array unit is operable to generate a response in the presence of a chemical stimulus; and a passive responder unit connected with the sensor array unit, the responder unit being powered from the interrogation signal, where the responder unit is operable to wirelessly receive the interrogation signal and wirelessly transmit the response to the interrogation signal to the interrogation unit.

Abstract: An apparatus and a method for taking out samples of a gaseous medium containing particles, the apparatus comprising a pipe having one end adapted for introduction into the gaseous medium, a tubular filter positioned coaxially with the pipe, a removable closure positioned on the down stream side of the tubular filter, means for removing filtered gas from the outside of the tubular filter and separate blow back means in communication with the outer side of the tubular filter.