Abstract: Embodiments disclosed herein include an abatement system for abating compounds produced in semiconductor processes. The abatement system includes an exhaust cooling apparatus located downstream of a plasma source. The exhaust cooling apparatus includes at least one cooling plate a device for introducing turbulence to the exhaust flowing within the exhaust cooling apparatus. The device may be a plurality of fins, a cylinder with a curved top portion, or a diffuser with angled blades. The turbulent flow of the exhaust within the exhaust cooling apparatus causes particles to drop out of the exhaust, minimizing particles forming in equipment downstream of the exhaust cooling apparatus.

Abstract: A trap mechanism for trapping exhaust gas from a process chamber. The trap assembly includes a housing containing a plurality of trap units. The plurality of trap units are arranged successively along a flow direction of said exhaust gas. Each trap unit includes a set of trap panels parallel to each other and spaced apart from each other. The two opposite surfaces with a larger area of each trap panel are oriented substantially parallel to a flow direction of the exhaust gas flow. The two opposite surfaces with a smaller area of each trap panels are oriented orthogonal to the exhaust gas flow.

Abstract: A gas-liquid separator applicable to a refrigeration system includes a cylindrical body, an inlet pipe fixedly connected to an upper end of the cylindrical body and an outlet pipe fixedly connected to a lower end of the cylindrical body, and further includes a gas guiding element, the gas guiding element further including a baffle, a flange located at one end of the baffle, and a bottom plate located at the other end of the baffle, the baffle being located above the outlet pipe and blocking a gas inlet of the outlet pipe; the flange being fixedly connected to an inner wall of the cylindrical body; and the bottom plate being fixedly connected to a side wall of a gas inlet end of the outlet pipe.

Abstract: A device for feeding granulate and filler material to an extruder screw of an extruder, includes a cyclone with an inlet opening for introducing a delivery flow of pneumatically delivered filler material and an outlet opening for discharging the filler material which has been separated from the delivery flow, a feed funnel for the fresh granulate and a mixing section, to which the separated filler material and the fresh granulate are fed from the feed funnel. The cyclone is disposed at least partially in the feed funnel and coaxial with the latter, so that the outlet opening of the cyclone extends into a feed funnel outlet region which surrounds the outlet opening in an annular manner, wherein a stuffing screw passes axially through the outlet opening of the cyclone and protrudes at least partially into the mixing section which axially adjoins the outlet opening.

Abstract: Systems and apparatuses are described that collect dust from the air in a manner that maximizes the volume of air that can be cleaned, while allowing for easier transport of the dust-collecting apparatus to the installation site and improving distribution of air flow within the apparatus so as to provide for a more efficient filtration of the air. In particular, the dust-collecting apparatus includes first and second housing modules that are designed to be joined longitudinally to create a housing. The module having an inlet opening of the apparatus further includes an inlet baffling system that includes multiple baffle plates near the inlet opening that facilitate a cross flow air profile for the air entering the housing. Other components, including a target plate, a baffle support structure having support plates and cross supports, and hopper baffles, may also be provided to secure the baffle plates and enhance the airflow distribution.

Abstract: A droplet separator pack having at least two elongate lamella droplet separator profiles is described. Retaining strips that have a planar front and rear face and side faces adapted to the curved shape of the lamella droplet separator profiles are arranged between the lamella droplet separator profiles at at least one end thereof. The retaining strips include latching connection means for clipping together wherein the corresponding lamella droplet separator profiles are clipped together between adjacent retaining strips. In this manner droplet separator packs can be assembled in a simple manner at the place of installation.

Abstract: A lidded cylindrical container having an inlet duct having an intake for connecting to gas flow having particulate or liquid, and an outtake for directing the as flow downwardly and tangentially across a wail of the container. An outlet duct is integrally connected around the inlet duct and having an intake opening into the inside of the lidded cylindrical container and an outtake adapted to move the gas flow away from the particulate collection device leaving the particulate within the lidded cylindrical container. The cyclonic particulate collection device is secured to the lidded container through a single opening in the lidded cylindrical container.

Abstract: A droplet separator pack having at least two elongate lamella droplet separator profiles is described. Retaining strips that have a planar front and rear face and side faces adapted to the curved shape of the lamella droplet separator profiles are arranged between the lamella droplet separator profiles at at least one end thereof. The retaining strips include latching connection means for clipping together wherein the corresponding lamella droplet separator profiles are clipped together between adjacent retaining strips. In this manner droplet separator packs can be assembled in a simple manner at the place of installation.

Abstract: A method for precipitating overspray from the overspray-laden booth exhaust air of coating installations, in particular from painting installations, the overspray is carried by an air stream to a precipitation device, where a majority at least of the solid material is precipitated from the overspray. The overspray-laden booth exhaust air is guided through filter modules, in which overspray is precipitated and which are designed as replaceable one-way components having a filter housing and a filter unit, wherein each filter module is replaced by an empty filter module after reaching a loading overspray. Moreover, the invention relates to a device for precipitating overspray by means of such one-way filter modules, and to an installation for coating objects, in particular vehicle bodies.

Abstract: A gas compression system includes a compressor operable to discharge a mixed flow of gas and lubricant, a separator tank including an opening having a first face, and a separator element including a disk portion having a second face and a third face. The separator element is positioned at least partially within the opening and is operable to separate at least a portion of the lubricant from the mixed flow of gas and lubricant. A lid is coupled to the separator tank and includes a fourth face. A one-piece seal ring is coupled to the disk and is compressed between the lid, the disk, and the separator tank to define a first airtight seal between the first face and the second face and a second airtight seal between the third face and the fourth face.

Abstract: A dust collector for catching dust generated by temperature drop comprises a box, a plurality of separating boards, a plurality of catch boards, and a plurality of baffle boards. The separating boards partition the box to form an air flow channel. The catch boards and the baffle boards are staggered in the air flow channel; a portion of the catch boards are arranged in a central column to form a superimposition region along the vertical direction. The pores of the catch boards in the superimposition region are overlapped to make the air flow pour into the air flow channel easily. The baffle boards are staggered at the left or right of the catch boards, whereby the air flow takes more time to have a longer travel in the air flow channel, and dust is not accumulated in a single area but uniformly caught by the catch boards.

Abstract: A deoiler including a hub mounted on the vent shaft and a cover mounted on the hub between two stop faces which fix the cover avoiding the need to weld or bolt the cover.

Abstract: The invention relates to a liquid separator, particularly an oil separator for compressed air systems. The liquid separator comprises a housing (15), which can be detachably connected by means of a bayonet-type connector (11) to a counterpart (12). The housing (15) is locked onto the counterpart (12) by axial tensioning forces (F) operable to lock the bayonet connector (11).

Abstract: A system for delivering air to vehicle engines generally includes at least one air cleaner configurable to receive either conditioned air or unconditioned air and a conduit assembly coupled to the air cleaner for delivering cleaned air from the air cleaner to the vehicle engine.

Abstract: In an air filter housing (100) for an air filter element (2) with at least one housing bottom part (10) into which the air filter element (2) can be inserted completely or with a substantial portion of its length and a cover element (20) to be connected to the housing bottom part (10), on the housing bottom part (10) and on the cover element (20) at least one connector socket (14, 15) for connection to a hose conduit is provided, respectively. The connector socket for the side of the air filter element facing the cover element (20) is designed as a deflecting connector socket (14) that extends at least partially outside of the cross-sectional area covered by the air filter element (2) and that is connected to the housing bottom part (10).

Abstract: Disclosed is a device for separating liquids from gases comprising a preseparator that separates an untreated gas region from a preseparator gas region, a main separator comprising a coalescing element for increasing the size of liquid droplets and a post-separator.

Abstract: A grill assembly for a cyclone-type dust collecting apparatus has a grill member having a grill supporting portion supported on the air outlet, a conical grill and a cylindrical grill portion, preferably integrally formed with each other. The dust blocking member has a connection member inserted and connected through the air passage hole of the cylindrical grill portion, and has a plurality of holes partitioned by a rib and interconnected with the air passage hole; and a dust blocking plate integrally formed with the connection member that is spaced from the connection member, air is discharged through the air passage hole extending through the lower portion of the grill assembly, and dust and foreign substances particularly adhere around the air passage hole.

Abstract: A mixing chamber receives pyrophoric gas for mixing with oxygen prior to discharge into an upright housing of the apparatus. Tubular members within the housing define annular passageways through which the mixed gas and oxygen flow in a serpentine manner with reversal of flow direction promoting the precipitation of matter. A receptacle is removably attached to the housing for collection of matter with mounting means enabling periodic receptacle removal for cleaning. An enclosure about a housing end includes a door for access to the receptacle. Provision is made for ventilating of the enclosure to an exhaust conduit during door opening to prevent escape of gas and particulate to the atmosphere. A modified form of apparatus includes a filter and chemical bed for further treatment of the flow.

Abstract: The present invention provides a centrifugal air filter suitable for extracting impurities suspended in air. The filter includes a front wall, a rear wall spaced from the front wall, and a perimeter wall joining the front and rear walls and forming a cavity therebetween. Dividers divide the cavity into a plurality of vortex chambers. Each vortex chamber has a pair of inlets proximal opposing chamber ends and formed in the filter front wall, and an outlet formed in the filter rear wall generally centrally disposed between the inlets. Each vortex chamber extracts impurities by directing the air along a helical path through the vortex chamber from the inlets to the outlet. Air enters the vortex chamber inlets in the front of the filter, and exits the vortex outlet at the rear of the filter in the same plane.

Abstract: An air filter apparatus includes a filter body mountable in a support surface. A filter insert is mounted in a bore extending from one end of the body. A labyrinth air flow path is formed between a portion of the exterior surface of the filter body and an end cap mounted over an end portion of the body and through the filter insert in the bore in the body to prevent the ingestion of fluid through the filter.

Abstract: A new baffle device for a distiller has a tubular body and a baffle member fixed with respect to such body. The baffle member has a plurality of apertures for stripping dissolved solids from steam passing through the member. The distiller raw water vessel has a steam discharge nozzle and the baffle device extends part way into and is in telescoped engagement with the nozzle. The device is held in place by a retention ring and both the ring and the device are quickly removable from the raw water vessel for easy cleaning of the device and the vessel. The distiller has a condensing platform with a steam receiving port built into it. When the raw water vessel is on the platform in the water-boiling position, the baffle device extends between the nozzle and the port and forms a conduit for steam to flow to the condensing coil.

Abstract: An apparatus defines a chamber into which hazardous gas is discharged. Disposed about the hazardous gas discharge flow are nozzles from which oxygen flows for mixing with the hazardous gas. A structure within the chamber receives the hazardous gas and oxygen and defines an area in which a reaction occurs therebetween. The structure includes perforate components which deter the formation of gas pockets and diminish the risk of explosion. The hazardous gas mixed with oxygen is subsequently directed toward baffles on which may be deposited matter precipitating from the combined oxygen and hazardous gas. Prior to discharge from the apparatus, the gas and oxygen mixture may be subjected to a filter for further removal of matter. Both hazardous gas and oxygen flows are induced through the apparatus by a source of reduced pressure.

Abstract: An apparatus includes a housing into which a hazardous gas is introduced. A sleeve in the housing includes a perforate segment into which the gas is discharged along with flows of oxygen delivered from sleeve mounted nozzles. Particles forming in a sleeve defined mixing zone gravitate toward a first collection site within the housing. Within the housing are radially spaced tubular members through which the gas and oxygen mixture flows in a serpentine path with provision for the collection of particles precipitating from the flow adjacent one end of the housing. Metallic fibers render any gas collection in the housing inert. Provision is made for delivering, in the alternative, a pressurized air flow to the sleeve for oxidizing the hazardous gas flow utilizing ambient air. A diffuser plate imparts current to the ambient air discharged into the sleeve.

Abstract: A wet/dry vacuum cleaner in one commonly available configuration includes a canister having an interior region defining a chamber, a motor mounted on the canister, a filter mounted on the canister and disposed within the chamber, and an inlet fitting attached to the canister. The inlet fitting is positioned generally adjacent the filter which results in the flow of air or water carrying debris generally towards the filter. The present invention is directed to a deflector boot which is secured to the inlet fitting for deflecting the flow of air or water carrying debris away from the filter. The deflector boot includes a cylindrical wall having an open end at one end thereof and an end wall that encloses the opposite end of the cylindrical wall. The open end of the cylindrical wall is sized to fit snugly over the inlet fitting when attaching the boot to the fitting.

Abstract: A trap for collecting solid is connected to either an exhaust port or a suction port of a vacuum pump for trapping a solid material separated from a sublimed gas discharged by the vacuum pump. The trap includes a casing, a passage defining member disposed in the casing and defining a gas passage in the casing, and an intermediate member disposed between the casing and the passage defining member. The intermediate member is made of a flat thin sheet which is formed into a tubular member, and the tubular member is capable of being spread when taken out from the casing.

Abstract: The exhaust hood assembly has a vertically disposed greast extractor which leads into a suction ventilator adapted for expelling air and odor to the outside. The assembly has a first deflector at the entrance into the grease extractor to cause a first swirl of the air loaded with grease, impurities and odors, and a first release thereof into a bucket provided below the greast extractor. Inside the greast extractor there are two deflectors to cause swirls of the air load with grease and odor and release of grease and particles into the bucket. Finally, any grease and/or impurities not released in the grease extractor are centrifugally expelled by the suction ventilator and sent through a tube which also feeds into the bucket. This device is inexpensive to produce and is much more efficient than those currently in use.

Abstract: A housing receives ambient air through an inlet located so as to direct the airflow against blades of a rotor which disperses the airflow. A gas inlet conduit discharges hazardous gas into a chamber of the housing. The dispersed airflow acts on the hazardous gas entering the chamber to disperse and mix with the gas. The mixed air and hazardous gas flow impinges against a wall surface of the housing prior to discharge from the housing via an outlet conduit. A source such as the intake side of a blower induces the flow of air and hazardous gas through the housing and the outlet conduit. The rotor is located near an air inlet of the housing for rotor operation by airflow drawn into the housing. A flow sensor and damper control system are provided. Baffle assemblies are removably installed in the housing and include apertured plates which collect particles deposited by the mixed air and gas flow. Bypasses are provided to ensure an uninterrupted mixed air and gas flow past the baffle plates.

Abstract: Along the path of the cooking fumes of an exhaust hood where the fumes move with swirling motion, forwardly adjustable blades are disposed between a retracted and an extended position to accentuate or decrease the intensity of the swirling path end of the centrifugal force applied to the particles to be removed, depending on the volume and the flow rate of the cooking fumes which ascend through the hood. This blade arrangement also ensures a constant static pressure inside the hood for a maximum efficiency of extraction.

Abstract: A liquid-vapor separating drum has a screen dryer mounted in the upper portion between the primary separators and the vapor outlet. The screen dryer is constructed and mounted in such a way that only minimal access is required in the space above the screen dryer whereby the space can be minimized. A central pair of dryer rows is installed first when there is easy access. The two outside rows are then merely clipped in place which does not require any access. The bottoms of the rows are joined by drain panels which form a flow barrier and which serve to collect the liquid extracted by the screens. Hanging rods are used to support these drain panels and thereby indirectly support the bottoms of the rows. Vortex breakers in drain apertures of the drain panels improve the drainage rate.

Abstract: A cleaning apparatus including cyclones (11, 52, 81, 107) connected to a uniquely configured receiving chamber (12, 53, 99, 112) is described. The chamber has a diameter furthest from the cone opening (32, 75, 98, 118) at least 3 times the diameter of the cone opening such that dirt is not re-entrained from the chamber. Also described is an apparatus with a sealing member (33, 76, 100, 117) between the receiving chamber and cyclone which provides a seal during air flow and which allows separation of the chamber and cyclone for dirt removal. Also described is a ring second sealing member (34, 104) around an open portion of the receiving chamber which allows removal of the chamber from an outer container (10, 80) to facilitate emptying dirt.

Abstract: A spray booth is provided with inexpensive, disposable pre-baffles which collect overspray thereon prior to the overspray reaching the filtering stages. The preferred disposable pre-baffles are made of paperboard and after being coated with overspray for a short period, e.g., one week, are easily detached and replaced. The paint on the disposable pre-baffles can be baked to convert the paint and the baffle from a hazardous to a non-hazardous waste. The pre-baffles may collect as much as 80% of the overspray, some of which may be collected and re-used, and reduces the amount of sludge, filter cleaning, chemicals used in the reservoir water, and the emissions. Thus, the overall savings easily overcome the expense of replacing the disposable pre-baffles.

Abstract: An apparatus for purifying gaseous fluids is suggested, comprising a body surrounded by separator areas (18, 20) through which the fluids are flowing. The separator areas (18, 20) here are composed of interlacing profile sections, causing an acceleration or, resp. deceleration of the fluids flowing through.

Abstract: A separator for fluids having first and second section parts arranged in rows. The parts are, in cross section, open and trough-shaped, with edges which overlap. Each section part has an inner protrusion extending in the longitudinal direction thereof, which protrusion causes increased swirling and thus cleaning of the fluids flowing through the section parts. The section parts can be retained in a detachable manner in a holder to permit easy cleaning.

Abstract: A cleaning apparatus including inner cyclone (11) connected to a uniquely configures receiving chamber (12, 53, 99, 112) is described. An outer container (10) is outwardly tapered to facilitate dirt removal. The chamber has a diameter furthest from the cone opening (32, 75, 98, 118) at least 3 times the diameter of the cone opening such that dirt is not re-entrained from the chamber. Also described is an apparatus with a sealing member (33, 76, 100, 117) between the receiving chamber and inner cyclone which provides a seal during air flow and which allows separation of the chamber and inner cyclone for dirt removal. Also described is a ring second sealing member (34, 104) around an open portion of the receiving chamber which allows removal of the chamber from the outer container (10, 80) to facilitate emptying dirt.

Abstract: A separator for fluids having first and second section parts arranged in rows. The parts are, in cross section, open and trough-shaped, with edges which overlap. Each section part has an inner protrusion extending in the longitudinal direction thereof, which protrusion causes increased swirling and thus cleaning of the fluids flowing through the section parts. The section parts can be retained in a detachable manner in a holder to permit easy cleaning.

Abstract: A moisture trap is disclosed of the type, used in fluid suction equipment for dentistry in particular, which comprises a negative pressure intake (1) consisting of a venturi (2) that draws in fluid and delivers it into a vertical separation chamber (3) having an outlet (6) at bottom via which liquids are discharged, and an outlet (7) uppermost via which air is exhausted. A trap according to the invention has a separator device, located between the chamber fluid inlet (9) and the air outlet (7), embodied as a column of components arranged in such a way as to create a tortuous passage through the separation chamber (3) in which the direction of the stream of fluid is changed several times.

Abstract: The present invention is directed to a unitary member formed to fit in the engine compartment of a vehicle and to function to both direct ram air toward the air cleaner and to eliminate moisture from that air. The unitary member includes an intemediate portion between inlet and outlet portions. The intermediate portion has a moisture elimination section with a drain opening.

Abstract: A reusable grease filter for installation in an exhaust system for restaurant cooking equipment and the like comprising a frame adapted to be fixedly mounted in an exhaust system opening; louvers positionable within the frame having a plurality of discontinuous overlapping louver surfaces extending generally transversely of an exhaust system airflow direction and providing a plurality of tortuous air passages, whereby passage of flame through the grease filter is substantially blocked by the transversely extending overlapping louver surfaces, and whereby grease and other airborne particles are removed from exhaust air; and brackets fixedly mounted on the frame for stably holding the louvers in a predetermined position and for enabling rapid removal and reinstallation of the louvers in the frame for facilitating cleaning of the louvers. Specific structure of the frame, louvers and brackets which enables these functions is described.

Abstract: An inexpensive, disposable liner is shaped and dimensioned to conform to the hole spacings of a grid-like grating used as the floor of a paint spray booth. The liner shields the grating surfaces from airborne or spilled paint, while having holes to permit the necessary airflow through the grating. When the paint build-up on the liner significantly occludes the holes, the liner is removed and disposed of, and replaced by a clean one.

Abstract: An atmosphere control system for the cab of a self-propelled combine has its principal components arranged for series flow and mounted compactly on a rear portion of the floor of the cab. A pressurizing blower injects fresh air into an upstream filter chamber through a translational inertial precleaner which discharges any removed dust along with bleed air vertically downwards through the floor of the cab. A filter further cleans fresh air as it continues into the system, to pass through a heat exchanger and into circulation by a circulation blower and suitable ducting. Both precleaner and fresh air filter are accessible through a door in an outside wall of the cab.

Abstract: An industrial vacuum cleaner for collecting fibers collecting lint and the like and using said fibers as a filtration medium for air being exhausted from the cleaning system. The apparatus includes a positive displacement pump which draws the lint-laden air into a cylindrical housing having a plastic bag positioned therein which has holes provided therein. The plastic bag is, in turn, carried into a woven filter bag which is, in turn, carried within a rigid cylindrical mesh liner. As a result, the lint collected is removed from the air and builds up along the side walls of the plastic liner providing a filtration medium for lint-laden air subsequently drawn therein.

Abstract: An apparatus for removing particulate matter from gases includes an outer tube having an apertured bottom member, a plurality of stationary vanes for guiding gases into a vortical path through the outer tube, and an inner tube. The inner tube has a smaller diameter than the outer tube and fits partially inside the outer tube. Since the inner tube is arranged coaxially with respect to the outer tube, an annular passageway is defined between them. The passageway end of the outer tube is flared out forming a bell-mouth-shaped lip. A plurality of separate airfoil-shaped vanes, disposed across the passageway have their leading edges above the passageway. The bell-mouth-shaped lip and airfoil-shaped vanes, with their thicker leading edges extending above the passageway, both contribute to a more laminar flow through the passageway, thereby minimizing the pressure drop through the passageway.

Abstract: A downwardly and forwardly open shroud for a cooking station converges rearwardly and upwardly toward an outlet duct. A throat region of the shroud is provided with a removable panel having a slotted baffle. A gutter and sump are provided for catching condensate, grease and the like. The panel is easily removed for cleaning, for exchanging with a similar panel having a different size and/or shape of slotted baffle and the sump is placed for easy cleanout. Versions are shown wherein the shroud is wall-mounted at the cooking station or cart-mounted together with a mobile cooking station.

Abstract: A false ceiling for use in removing and/or dissipating contaminants in a room including a plurality of ceiling elements, each of which has an arcuate configuration, the concave surface of which is directed downwardly, and the convex surface of which is directed upwardly, the ceiling elements collecting and draining off contaminants in the form of condensate into collecting channels which are supported by support members on which the ceiling elements are also supported, the ceiling elements being defined by spaced apart parallel arcuate walls that define an air circulating passage therebetween, a plurality of spaced openings being formed in each of the walls to permit the free flow of air therethrough, the location of the openings in one of said walls being staggered relative to the location of the openings in the other of said walls.

Abstract: An oil separator device for use in a crankcase ventilation system of an internal combustion engine. The device comprises a cannister having an internal baffle member and partition means defining therewith an oil laden fume inlet chamber, an oil separating chamber and a fume outlet chamber. Oil laden fumes enter the fume inlet chamber where they are directed by the baffle member to a first 180.degree. volute section of the oil separating chamber and then to a second 180.degree. volute section having a smaller radius of curvature than the first section to thereby produce a vortex region adjacent to the center of the second volute section. Gaseous fluid with oil removed flows upwardly out of the oil separating chamber into the fume outlet chamber through a flue aperture in the partition at a location above the vortex region while separated oil is returned to the engine lubrication system through a drain aperture in the bottom of the cannister.

Abstract: A duct system for distributing humidified air from a humidifier has a duct and an eliminator sheet assembly mounted at an outlet of the duct. The eliminator sheet assembly includes eliminator sheets movably mounted in the outlet of the duct, and means for securing the eliminator sheets in a plurality of positions so that the direction of air discharged from the outlet can be changed. A structural member for mounting the eliminator sheet assembly at the duct includes a track defined by sidewalls, one of which sidewalls extends upward of the other to capture droplets emitted from the eliminator sheet assembly, and a drain plate assembly for catching condensation falling from the duct. The drain plate assembly includes an elongated trough for attachment to the duct, the trough having two sidewalls and a flexible partition. The partition has an inverted V-shaped cross section and divides the trough into two compartments extending side-by-side.

Abstract: Apparatus for the wet purification of gases, in which a wash liquid is sprayed into a gas to be purified and the gas is then forced or drawn through a separating wall having passage slots. The gas flow is divided up by pairs of such slots into pairs of sub-flows inside the wall, the sub-flows of each pair being rapidly accelerated to at least 30 m per second and then made to rebound on one another in a zone which is common to a pair of slots which causes them to be sharply deflected after which they separate and are decelerated. The sub-flows are accelerated by the passage slot construction which narrows inwardly from the exterior of the wall. Preferably two pairs of slots are provided, one pair converging into the wall and another pair diverging from the wall, both pairs opening into the common zone which is in the form of an X, the narrowest points of the slots being in said zone. The total area of the zones relative to the area of the wall is at maximum 15%.

Abstract: An eliminator core having a hinged member for sealing the top edges of a plurality of eliminator sheets formed in a bundle. More particularly the core having a cam for displacing the hinged member.

Abstract: The device is positioned in a stack arranged above a location where coke quenching is performed. The coke quenching, which takes place below the stack, evolves steam and gases containing solid coke particles or dust, and which must be prevented from passing into the outside atmosphere. The steam and gases flow upwardly through the stack and the device separates the solid coke particles and dust from the steam and gases. The device comprises a support beam carrying a plurality of shutter-like baffles, of plastic material, and liquid spray elements, and which is variable in length and positioned either obliquely or horizontally across the upper portion of the stack. In between successive coke quenching operations, the liquid spray elements are activated to flush the trapped solid coke particles and dust from the shutter-like baffles. The adjustable length of the device provides for the device to be positioned to extend across the stack at varying angles, or even horizontally.

Abstract: A method of and apparatus for collecting overspray materials from an article coating station wherein a velocity differential in the air stream of the duct system employed selectively transports and effects removal of solids from the overspray materials. A secondary filter removes fine mist and powdered coatings from the overspray. One section of the duct system is preferably made from disposable materials and a removable liner is preferably used in a collecting receptacle to facilitate clean up operations after the coating is completed.