Abstract: The silencer for fume extracting hoods is comprised of a panel (1) consisting of a lower tray (4), an insulating intermediary sheet (5), and an upper or porous filling foamed material (6) acting as a sound absorbing and limiting or damping material. The panel is hinged to the fume extracting hood (7) by articulation means (2).

Abstract: An exhaust assembly is provided for expelling contaminated air from a building. The assembly includes a plenum, a fan assembly attached to the plenum, and a windband mounted on top of the fan assembly. The fan assembly is constructed of cylindrical outer and inner walls which define a drive chamber and surrounding annular space. A fan driven by a motor whose shaft extends downward from the drive chamber draws exhaust air from the plenum and blows it up through the annular space to a nozzle at the top of the fan assembly. The motor is pivotally mounted inside the assembly to provide access to the motor components when it is desired to perform inspection and maintenance.

Abstract: A securing device for a filter element, which can be detachably mounted on an extractor hood, has a connecting implement for detachably connecting the filter element to the associated extractor hood. The connecting implement catches the filter element when detaching the filter element from the extractor hood and prevents it from falling down. The connecting implement has a fixing element with a rod-like section and with a thickening connected thereto. The connecting implement also has a closure element with a U-shaped slot. The rod-like section of the fixing element is formed so that it fits the U-shaped slot of the closure element.

Abstract: An improved de-coupling device for vehicle exhaust systems specifically emergency vehicle exhaust systems. In this application, flexible hoses are normally utilized as a conduit for exhaust fumes. This invention incorporates a tether inside the flexible hose thereby alleviating tension on the flexible hose. The weight of the nozzle elbow and the natural moment that is produced when a fire truck leaves the fire station with the nozzle on offers an ideal application for the snap ring assembly. The tether and the flexible hose are typically straight or near straight and when the fire truck leaves the station, tension is supplied by the cable, and when a sufficient moment is generated, the nozzle breaks free.

Abstract: A fume hood adapted to be connected to an exhaust system, the fume hood including a cabinet formed with a chamber having a generally flat bottom wall and a sash door mounted at the front end of the chamber for movement in a vertical plane to provide an access opening to the chamber. An air directing member is mounted on the cabinet outside of the plane of movement of the sash door relative to the chamber and it is generally aligned with the bottom wall. The air directing member is formed with an opening positioned to cause a first path of outside air to flow into the chamber along the surface of the bottom wall and being formed with another portion for directing a second path of outside air in a direction generally parallel to and above the first path.

Abstract: Disclosed is a human cell/tissue culturing system including a plurality of incubators, each incubator capable of aseptically storing/culturing cell(s) or tissue(s) derived from a (human) individual and identifying the cell(s) or the tissue(s) during incubation, wherein each incubator comprises a detector corresponding to an individual key, the response of the detector permitting opening/closing of a door of each incubator, the response of the detector of one incubator triggering the interception of the function of the detector(s) of other incubator(s) to consequently inhibit opening/closing of the door(s) of the other incubator(s).

Abstract: A movable spray-painting stand includes a worktable provided with four casters and having a wind-exhausting device and a filtering device assembled thereon. The wind-exhausting device has an air inlet communicating with the wind outlet of the filtering device. A separating device is provided in front of the wind inlet of the filtering device to form a spray painting space. A collapsible work frame is pivotally assembled with the work table and positioned under the separating device, able to be positioned in the spray painting space after articles to be spray painted are placed on its upper plate. The spray painting stand can be moved around freely, and the exhaust and the odor of paint produced during spray painting can be filtered by the filtering device, conforming to environmental protection and ensuring workers' health.

Abstract: A portable enclosure apparatus is provided with a frame assembly having a bottom wall, an upper frame member and a single pair of vertical support members. The support members are easily length adjusted by a single user to vary the height of the system while in use. The frame assembly can be quickly disassembled for convenient storage and transport. A cover envelopes the frame assembly to complete the enclosure. A portable dust collector can be coupled with the cover to secure airborne debris moving into the enclosure.

Abstract: A portable enclosure, easily erectable and collapsible, to provide environment control and prevent contaminants from being released from the enclosure. The enclosure provides a flexible envelope attached to the interior of the space defined by vertical and horizontal supports which can be erected and collapsed. When erected the enclosure functions as an anteroom and has removable panels in the sides and top. In use, the enclosure is sealed against a vertical or horizontal surface to be worked on and a panel from the side of the enclosure is opened and closed to provide access to the surface by the user. When collapsed the enclosure is a package approximately the size of an average golf club bag which is easily portable to another location. Ducting is provided to which negative pressure pumps are connected to maintain negative pressure within the enclosure and draw contaminants into the pump and then into a closed container.

Abstract: A connection assembly for an exhaust extraction system which is designed to vent the exhaust from a vehicle tail pipe includes, in combination, three primary components. One component is an annular sleeve which is constructed and arranged to assemble onto the vehicle exhaust pipe. Next, there is a nozzle locator ring which slides onto the annular sleeve such that one end of the sleeve extends beyond one side of the nozzle locator ring and the opposite end of the sleeve extends beyond the opposite side of the nozzle locator ring. The third component is an exhaust nozzle assembly which includes a generally cylindrical nozzle and a pair of magnet packs located circumferentially 180 degrees apart. An extension sleeve inserted into the annular sleeve includes a series of baffles to deflect and direct vehicle exhaust.

Abstract: An pressure differential distribution system which offers an pressure differential reaction element (1) made of a comfortable, flexible pressure differential interface (2) that is attached to a support element (3), which in conjunction with a difference in pressure between the interior volume of the differential reaction element (1) can conform to various extended or reduced conformers. The flexible pressure differential interface (2) may retract within an enclosure(4). An emission removal adaptor (12) or terminal interface (23) may be coupled to a substance source (10) to capture or move substances on a pressure differential from a first zone to a second zone.

Abstract: A remote control system for motor groups (22) for extractor fans (21), in particular for industrial and kitchen extractor fans, according to which the motor group itself (22), provided dismounted from the extractor fan (21), can also be installed inside a protective casing (10), to be mounted at the outside of the building, separate and distant from the structure of the extractor fan (21); the electrical connection between extractor fan (21) and motorisation takes place through suitable multi-way connectors (17, 30), whereas the electrical connection of the extractor fan (21) to the mains is carried out inside a suitable connection block (27). In such a way, it is possible to connect different interchangeable motor groups (22) to a kitchen extractor fan (21), so as to offer the user the possibility of choosing the desired performance, without each time having to buy a new complete extractor fan (21).

Abstract: A counterweight apparatus is provided for automatically self-returning an enclosure sash or other closure member to at least one preselected intermediate position when released after being opened beyond that intermediate position and for selectively maintaining the closure member in at-rest positions, when released, between that intermediate position and a fully closed position.

Abstract: A robotic welding station cleaning assembly (10) for removing particulates from an air-filled chamber surrounding a welding robot (12). A frame (14) is positioned about the robot (12) and includes a top (20) defining an opening (26) therein. A shield (28) is supported by the frame (14) to define the robot chamber. A spark arrestor (48) is supported on the frame (14) for controlling sparks created by welding. A blower housing (30) having an inlet (27) is disposed immediately above and in direct fluid communication with the opening (26) to move air from the chamber to the blower housing (30). The frame (14) includes a separate support stand (32) for supporting the blower housing (30) on the top (20) of the chamber.

Abstract: A multi-functional welding platform is disclosed. The multi-functional welding platform has a box body at a base thereof. The rear side thereof is installed with a power input end, a power regulator, a high voltage discharging plate, a power output end, etc. A lower side of the platform is installed with an air inlet space. A rear side of the space has a fan. A plurality of air inlet holes are distributed on the platform and filtering material is placed therein. Other than providing the general device for welding, harmful gas or metal smoke enters into the air inlet holes on the platform and then is filtered and then exhausted from the fan so that the operators will not breath harmful gas.

Abstract: A compact, portable, lightweight, low power consuming, convenient, versatile and sterile laminar airflow device, useful in obtaining a workspace substantially devoid of airborne particulate contaminants, said device having a body (C) divided into an upper and lower chambers; the upper chamber housing one or more pre-filtration members (B), a motor (T) driving a fan (S), and one or more filters (U) located below the motor; and the lower chamber provided with a slideable front panel (M), a removable platform (X) located at the lower portion of the chamber and a perforated plane (N) placed on the removable platform.

Abstract: A room ventilator for venting smoke exhaled by a smoker from a room to an exterior location. The room ventilator has an intake unit located in the room for drawing in smoke exhaled by the smoker, an air pump for producing an air flow to draw the smoke into the intake unit and exhausting the smoke to the exterior location, a connecting tube for connecting the intake unit to the air pump, and a window outlet adjuster for mounting in a window which enables a connecting tube to pass from the room to the exterior location. The window outlet adjuster has adjustable flaps for forming a barrier between the room and the exterior.

Abstract: The present invention is an exhaust removal system designed for buses and semis. The telescoping mast with the capture nozzle allow the user to nestle the capture nozzle over the vehicle exhaust stack by simply rolling the unit into position. This obviates the need for a ladder or crawling around on the vehicle prior to the vehicle being repaired in a garage. Once the unit is in place a swivel joint allows the operator to exhaust to the left or the right. This makes it easier to direct the exhaust outdoors, or to an exhaust header, as the case may be.

Abstract: A mobile enclosure unit for containment of contaminants has a vertical, wheeled frame assembly having an open upper end and a lower wall. The frame assembly is adjustable in height so that the open upper end can be positioned in contact with a ceiling, allowing access for workers to work on or in the ceiling. A pliable cover sleeve surrounds the frame assembly from the upper end to the lower wall to form a chamber within the frame assembly having an open upper end to allow a worker in the chamber to access the ceiling area above the open end of the unit. An exhaust system is mounted in the frame inside the sleeve for drawing in air from the chamber, filtering debris from the air, and exhausting filtered air from the chamber.

Abstract: An arrangement for removing gas, smoke, solid particles and the like in connection with welding and/or cutting consisting of two parts which can be easily latched together, namely an outer housing and an inner part. The outer housing comprises a unit for the suction of air-borne pollutants, and also a duct arranged with small opening for cooling fluid to escape for cooling both the outer housing and the inner part. A pyramidal shaped structure within the housing for assisting the reduction of the speed and energy of the spark particles formed during welding or cutting.

Abstract: The invention relates to a medical-technical or dental-technical work table (1) which in its forward region of its table surface (2a) has a protection arrangement (11) having a protection plate (11c) in upwardly extending arrangement, which protection plate is held on the work table by means of a holder (12), whereby there is provided a rearward rear-wall-like protection arrangement part (11b) having a rear wall (11d; 52) behind the protection plate (11c) which part is positionable in a disposition on the work table (1) and/or on a carrier arm (14) in which the rearward protection arrangement part (11b) forms with the protection plate (11c) a hood-shaped protection arrangement (11).

Abstract: An exhaust recovery system vents exhaust from an exhaust pipe of a vehicle, located in an enclosed structure, as the vehicle is driven out of the structure. The system includes a coupling attached to a detachably connectable coupling support assembly to support the coupling proximate the vehicle exhaust pipe. An elongate flexible hose has a first end and a second end, where the first end of the hose is connected to the coupling. The second end of the hose is connected to an extendable assembly. A first member is interconnected between the support assembly and the extendable assembly that when tensioned as a result of the vehicle being driven out of the structure extends the extendable assembly.

Abstract: An apparatus for the capture of overspray, blast media particles, and errant particle generated during spraying without employing an enclosure is disclosed. The apparatus is to be employed proximal a worker on a platform. The overspray capture mechanism is located intermediate the platform and the object being sprayed of coated. The mechanism includes a centrally supported suction duct which exerts a negative pressure in the area, the duct extends from the work area to a filtration area proximal a pump. A generally rectangular, flexible capturing device surrounds the duct. The flexible capture device is located intermediate a first and second support. The first and second supports include hydraulic elements which control the position of the supports and hence the flexible capture device. By use of the capturing device, liquid buildup, overspray or errant particles will be caused to move to and into the suction duct and then to a filtration system.

Abstract: A hood to be mounted against a wall above a cooking area, comprising filtering elements and fan means which are integrated in a supporting frame and are connected to a control device. The hood further comprises a depth compensation device which is constituted by a contoured lamina arranged at a portion of the frame that is adjacent to the wall at an adjustable angle, suitable to convey all the cooking fumes toward an extractor intake.

Abstract: An exhaust gas extraction apparatus for a vehicle shed includes a running rail arranged in the exit direction of a vehicle in an upper shed region, with a carriage which can travel thereon and an extraction hose hanging down therefrom, with an extraction socket disposed at its lower, free end and capable of being clamped onto the exhaust of the vehicle. A connecting hose which can extend elastically in its longitudinal direction, is connected at one end to the carriage and at the other end to a collecting line and is carried from the running rail by a plurality of supports with rollers which can move in the running rail. A brake device is arranged on the carriage, with a movable brake shoe which can be pressed onto the running rail in its braking position by a pneumatic, electrical, electromagnetic or mechanical actuating device. A control device is also provided which acts through a control pulse on the actuating device on release of the extraction socket from the exhaust.

Abstract: Method and apparatus for removing dust produced by the treating of human or animal nails. An air current produced by a fan is directed through an adjustable conduit towards the nails being treated. A funnel attached to a second adjustable conduit leading to a filter is positioned beyond the nails so that dust particles are entrained by the air current and carried into the funnel and to the filter. The fan is of sufficient power to cause very fine dust particles to be removed.

Abstract: An ashtray for use with an apparatus for the reduction of tobacco smoke, the ashtray having a body with a peripheral wall and separating wall for defining a first area for extinguishing a cigarette and a second area for disposing ash therein. The ashtray is provided with a cover having a bottom wall, a back wall and a hingedly mounted cover flap.

Abstract: The present invention relates to a device for removal of exhausts from vehicles, which device includes a rail (3) which is mounted in premises in which the vehicle is located when its exhausts shall be removed. The rail (3) may be composed or put together of a plurality of rail members (19) of which each rail member (19) has a length which is similar to or somewhat less than the length of a standard-type pallet (21) so that all the rail members (19) of one rail (3) or several rails (3) can be transported on said pallet (21) in unassembled condition. Each rail member (19) has such coupling spaces in opposite end portions that coupling portions of coupling members (20) can be inserted into coupling spaces of two adjacent rail members (19).

Abstract: An elevator assembly for use with a second hand smoke reduction device having a chimney assembly for capturing and exhausting smoke away from a smoker, the elevator assembly having a plurality of telescopically arranged support tubes for supporting the chimney assembly, the support tubes being configured so that the chimney assembly can be vertically adjusted allowing the smoker to position the chimney adjacent his/her mouth to capture expelled smoke.

Abstract: A fixed torpedo mounted in the center of a funnel assembly for a dust collector removes residue caused by a machining practice applied to a work piece, with enhanced flow characteristics due to the fixed torpedo of a dual cone shape fixedly secured in the funnel.

Abstract: The base attached to the top of a surface and adjustable for positioning directly to the side of the patron, at the level of the patron's face. The chimney assembly is mounted on the base for capturing tobacco smoke. A fan disposed in the chimney assembly for propelling smoke upwardly.

Abstract: A spray booth includes an outer enclosure in which the temperature and humidity of a fluid (such as air) is not controlled and a fluid handling unit within this enclosure, which circulates and controls the temperature and humidity of a smaller volume of the same fluid (air) to develop an environment suitable for application of coatings to desired substrates. In use, fluid is drawn from the outer enclosure into the inner, fluid handling unit in order to clean and modify the temperature and humidity of the fluid being handled, conditioning it to be delivered to the region of limited size which is established for receiving the substrate to be coated.

Abstract: Exhaust extractor device for evacuating vehicle exhaust gases from a working area and comprising a suction device for generating a vacuum in at least one suction hose (5) connected to a suction side of the suction device. The suction hose is provided at its end with a connector piece (9) for temporary attachment to the exhaust pipe of a motor vehicle. The connector piece is displaceable between an attachment position in which the exhaust pipe extends through a connector opening (19) into an open passage (20) through the connector piece, and a standby position in which the connector piece is removed from the exhaust pipe and is closed by means of a closure member (25). The closure member presents an internal sealing surface (26) located at a distance from the connector opening, and is in the form of a body having a peripherally extending sealing surface (27).

Abstract: A box like base is hung from the under surface of a table and is slidable outwardly therefrom to a position adjacent the patron. A chimney assembly is mounted in the container and extendible upward in use for capturing tobacco smoke. A fan disposed in the chimney assembly for propelling smoke upwardly.

Abstract: A shared spectrum communications unit and system provides communications without interfering with incumbent point-to-point receivers. This system includes a transmitter (e.g., of a PCS device) and a geographical location device which is operatively associated with the transmitter. The geographical locating device determines the position of the transmitter, and provides position information to a frequency authorization device. Geographical information pertaining to the PCS device is compared with the locations of the incumbent point-to-point receivers, using a database of the frequency authorization device including the locations of the point-to-point receivers, and a frequency allocation/authorization is generated to the PCS device when the PCS device is located outside of a predetermined range associated with local point-to-point receivers. An authorized frequency is stored and employed by the frequency authorization device for control of the operating frequency of the PCS device.

Abstract: An electrostatic powder coating system usable for coating articles transported along a substantially non-conductive article transport conveyor belt supported by a substantially non-conductive slide member. The system includes a substantially non-conductive coating booth with an open side portion supported by an upright support member disposed on a movable base member. The coating booth is laterally movable toward and away from the conveyor, and the coating booth is movable along the upright support member so as to position the coating booth downwardly toward and upwardly away from the conveyor. An electrostatic coating applicator is directed into the coating booth for applying powder coating to articles transported along the conveyor. A coating collector includes a coating booth exhaust duct coupled to the coating booth, and a conveyor exhaust duct laterally movable toward and away from the conveyor.

Abstract: A selectively positionable fluid conduit for gas removal from or gas introduction to a specific environment is disclosed. The fluid conduit includes a tubular wand having an orifice at the distal end thereof. Unwanted gases are removed by suction force through the orifice. Desirable or therapeutic gases are introduced to a specific location through the orifice. The tubular wand is coupled to a malleable positioning tube. The malleable positioning tube can be manipulated into various configurations such that the positioning tube maintains the last chosen configuration. In one disclosed embodiment, the malleable positioning tube includes tubular bellows formed from a plurality of alternating large and small diameter rings joined by frusto-conical walls. In another embodiment, the malleable positioning tube includes a malleable wire associated with a semi-rigid tube. Interaction between the rings and the frusto-conical walls imparts malleable properties to the positioning tube.

Abstract: The hose comprises two flexible portions connected respectively to the suction unit and to the fume-conveyor element or hood, and a rectilinear portion which is articulated to the suction unit and the hood. The rectilinear portion comprises two rigid tubes between which is disposed an extensible bellows-type tube. Rigid tubes are held co-axial by a pair of rectilinear guides fixed to one of the rigid tubes and slidably engaging on a pair of fixed slides on the other rigid tube. The two rigid tubes are, finally, connected by a tension spring the action of which is braked by two friction disks disposed between the guides and the slides.

Abstract: A smoke removal device, especially designed for use in welding, having one or more portable funnels, with a wide opening through which suction may be directed to remove smoke from particular areas where combustion is taking place, and a narrow opening opposite to the wide opening, a vacuum device for creating the suction by which the smoke is removed, the vacuum device having an inlet valve for each funnel, and hoses connecting the narrow opening of each portable funnel to one of the inlet valves of the vacuum device. In a preferred embodiment, the portable funnel is connected to a base containing magnets. The funnel is connected to the base by a first cylinder extending downward from the funnel, with the first cylinder fitting inside a second cylinder attached to the base, with the funnel and first cylinder being rotatable in relation to the base and the second cylinder. A wheeled, multifilter carriage is provided to clean smoke coming from the funnel before it is exhausted into the surrounding air.

Abstract: An emergency exhaust system is couplable to a vehicle for conducting exhaust fumes from the vehicle exhaust pipe to an enclosure ventilation system to be exhausted from the vehicle enclosure when the vehicle is normally parked when not being used. The exhaust system includes an elongated flexible hose assembly that is connected to the ventilation system and to an adaptor conduit which at its terminal end has a ring mounting electromagnets for magnetically attaching to a mount plate dependingly secured to the vehicle to have the vehicle exhaust pipe extend therethrough. An intermediate portion of the hose assembly is connected through a balancer assembly to a trolley movable along a rail in a forward direction as the vehicle moves to exit the enclosure. As the trolley moves adjacent to the rail front end, through automatic controls, the magnetic coupling to the mount plate is disengaged.

Abstract: Contaminated air in general anaesthesia is extracted via a hemispherical hood 1 located closely over the patient. The hood 1, which is of a thin-wall transparent-shell form, is mounted for hand-touch variation of its orientation on an arm 2 which is carried by a telescopic column 3 that allows for height adjustment. The arm 2 extends from a unit 18 that allows the hood 1 to be swung horizontally about the column 3, and gas is drawn from the hood 1 near its open mouth 6 via a low-down port 7 (FIGS. 3 to 5) that is coupled through the arm 2 and column 3 to a fan unit 4. Relief 23 of the bottom margin of the hood 1 may be used to enhance access to the patient, and for maneuverability the column 3 is trolley-mounted or adjustable laterally on a fixed track 35 (FIGS. 9 and 10).

Abstract: A magnetically-attached exhaust nozzle assembly for use as part of an exhaust extraction system for a fire truck includes an annular nozzle locator ring which is designed to slide over and secure to the exhaust pipe of the fire truck. The nozzle locator ring includes an inner sleeve which fits closely against the outside diameter of the exhaust pipe and an outer sleeve which receives a flexible exhaust nozzle. The exhaust nozzle is integrally connected with a flexible hose of the extraction system and establishes sealing engagement at two locations on the nozzle locator ring. There is axial sealing by abutment up against a flange of the nozzle locator ring and circumferential or radial sealing due to the fit of the nozzle on the outside surface of the outer sleeve. The flexible exhaust nozzle includes a guide rail which helps with the initial alignment and a magnet housing which ultimately attaches by magnetic attraction to the surface of the exhaust pipe for securely holding the nozzle in position.

Abstract: A dust collector, with a funnel assembly mounted on a flexible arm and provided with a vacuum assist, provides a sutiable apparatus to remove residue caused by a machining practice applied to a work piece.

Abstract: A portable isolation enclosure apparatus for safely removing material from the walls of a building structure while isolating the portion of the walls from which the material is being removed. The apparatus includes an booth with an open top, a plurality of side walls, and at least one open side disposed between two of the side walls. The apparatus is positioned against the wall such that an area of the wall is isolated from the ambient environment and is disposed in the open side of the booth such that a worker located inside the booth can access the area of the wall. A frame is adjustably attached to the booth so as to extend above the top of the booth a desired distance. A vacuum filter system is provided for drawing air from outside the booth into the interior of the booth, filtering the air along with any airborne contaminants, and then exhausting clean air to the environment.

Abstract: A method and apparatus for actuating a direct source exhaust gas capture system for capturing and exhausting exhaust from a vehicle tailpipe which automatically starts when the ignition system of the vehicle is actuated prior to the engine starting, and which is operable to automatically restart when the vehicle returns to the vehicle storage facility.

Abstract: An adjustable device for exhaustion and/or supply of gases and gas supported particles, the device comprising at least one exhaustion and/or supply conduit which is pivotable in at least a vertical direction, whereby at least one force-producing balancing device is provided for balancing the exhaustion and/or supply conduit. In order to provide at such an adjustable device that the balancing device generates balancing forces which correspond with the correct balancing requirement, the force-producing balancing device cooperates with a compensating device which compensates for the differences between the balancing force that the force-producing balancing device exerts on the exhaustion and/or supply conduit and the force required for balancing the exhaustion and/or supply conduit in substantially all its positions.

Abstract: A device at exhaust-gas extraction hoses for extracting the exhausts from the exhaust pipe on a vehicle, whereby the exhaust-gas extraction hose (1) is adapted to be retained at the vehicle (4) in an exhaust-gas extracting position (A), whereby the exhaust-gas extraction hose (1) includes a retaining device (8) which can be located on the vehicle (4) spaced apart from the exhaust pipe (3) and whereby an end portion (6) of the exhaust-gas extracting hose (1) includes and/or cooperates with a tightening device (7) which can by tightened by bending and/or stretching the end portion (6) in an exhaust-gas extracting position (A) when the retaining device (8) is attached to the vehicle (4).

Abstract: A device for exhausting gas or the like, comprises a support and at least one exhaustion tube movably mounted to the support and having a frame which is connected to the support in a manner pivotable at least in vertical direction. The frame is provided with a balancing mechanism for the exhaustion tube, said balancing mechanism comprising a cable with a draw spring. The cable is guided between support and frame such that there are formed at least two cable portions to create two force components producing an opposite variable torque around the pivot point of the frame such that the balancing torques, counteracting the gravitational torque, are produced.

Abstract: A coupling assembly (56) for coupling an exhaust system to a pipe through which hot gases are discharged. The coupling assembly (56) couples the exhaust pipe (54) of a vehicle (16) to a flexible exhaust suction hose (42) of a vehicle emission capture system (10) of the type that discharges vehicle exhaust gases from within a structure (12) to a location outside of the structure. The coupling assembly includes two portions, one portion being a rubber-like boot (62) which is secured to the free end (42.3) of a flexible suction hose (42), the rubber-like boot carrying near its free end (62.2) a garter spring (64), and the other portion of the coupling assembly being a ball adaptor (60) which may be secured to the tail pipe (54) of a vehicle. The ball adaptor has a connection portion (60.1) and a spherical portion (60.3) through which hot exhaust gases may pass. The major external diameter of the spherical portion of the ball adaptor is slightly greater than the internal diameter of the garter spring (64).

Abstract: Adjustable local extraction device comprising a suction tunnel, an exhaustion device connected to one end of the suction tunnel, and a nozzle connected to a second end of the suction tunnel. A filter is provided within the suction tunnel.