Assignee: American Air Filter Company, Inc.

Location: Louisville, KY
No. of patents: 79

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Number	Title	Issue Date
4441898	Discharge apparatus for removing granular filter material from a filter housing and a filter apparatus having same A filter apparatus including a housing having a discharge apparatus for removing granular gas treating material from the hopper of the housing. The discharge apparatus includes a baffle plate extending across the hopper between the side walls of the housi...	04/10/1984
4342153	Pitch diameter gauge for a variable speed pulley A gauge for measuring the pitch diameter of a variable speed V-belt pulley including a body member which can be engaged on the rim of the pulley, a sliding gauge bar carried by the member projecting into the groove of the pulley to engage the tapered wall...	08/03/1982
4326866	Discharge apparatus for removing granular filter material from a filter housing and a filter apparatus having same A filter apparatus includes a filter housing having a gas treating enclosure portion and a hopper portion disposed below and open to the gas treating enclosure portion. The gas treating enclosure portion encloses a plurality of spaced apart filter cells w...	04/27/1982
4312648	Pocket filter arrangement A pocket filter cartridge having a plurality of side-by-side filter assemblies secured to a common mounting frame adapted to be secured across a dirty gas stream in a gas duct. Each of the filter assemblies includes a sheath-like filter bag suspended from...	01/26/1982
4309978	Forced air heater A forced air heater for heating a venting air stream including an outer casing, a fan for forcing the venting air stream through the casing, a combustion drum providing a combustion chamber for a burner supported within the casing, a flue gas header space...	01/12/1982
4308887	Gas damper A gas damper for regulating the mass flow of a stream of purging air as it is directed into an electrostatic precipitator including a generally cylindrical housing having a floating piston positioned in metering relationship to the discharge outlet of the...	01/05/1982
4306896	Filter bag anchoring arrangement A filter anchoring arrangement for securing the dependent ends of a row of filter bags suspended from a common filter supporting plate in a bag house. The anchoring arrangement includes a gathering member and a retaining member cooperating with the gather...	12/22/1981
4305740	Filter material charging apparatus A filter material charging apparatus for adding a gas treating material into gas treating cells contained in a filter housing includes an open bottomed gas treating material conveying channel and air evacuation conduits located in the filter housing over ...	12/15/1981
4300927	Pocket filter arrangement A pocket filter cartridge including at least one sheath-like filter bag which is suspended from a mounting sleeve affixed to an apertured header plate disposed across a dirty gas stream by a retaining collar holding it in press-fit clamping relation to th...	11/17/1981
4280595	Positive brake for a vehicle wheel A hand brake for a wheeled vehicle comprises an operating shaft carried within a sleeve affixed to the frame of the vehicle to accommodate axial displacement and rotation of the shaft attendant to shifting the brake between respective braking and non-brak...	07/28/1981
4276069	Filter arrangement A filter bag support member for fastening a filter bag to an apertured bag header plate member disposed between the dirty gas inlet and the clean gas outlet of a filter bag housing comprising a flow-through venturi-like tube having one end releasably fast...	06/30/1981
4272267	Gas filter A gas filter comprising a square frame and an interchangeable filter package containing a filter web of a folded zig-zag configuration forming a plurality of proximate filter pockets received on a support grid mounted on the frame and having a shape compl...	06/09/1981
4272262	Gas-separation filter device A filtering device for removing particulate matter from a gas stream includes a housing with its interior divided by a horizontal partition into an upper plenum chamber and a lower plenum chamber. Planar panel filters arranged in V-shaped banks are suspen...	06/09/1981
4272263	Filter arrangement A filter arrangement including a venturi element carried within a tubular filter by a flexible attachment ring at one end of the filter removably securing the filter in the aperture of an apertured plate member in a gas filtration system. The outermost di...	06/09/1981
4266956	Filter clamping device A clamping device for removably clamping a unit filter cell in position in a gas flow-through housing against a stationary gas flow-through frame structure includes a filter cell support tray selectively movable toward and away from the gas flow-through f...	05/12/1981
4264345	Filter housing A filter housing having one or more flow-through media support members releasably secured in the housing between the dirty gas inlet and the clean gas outlet to divide the housing into a dirty gas chamber and a clean gas chamber....	04/28/1981
4255175	Gas separation filter device having a handle A gas separation device has peripheral flow-through frame with a sheet of gas separation filter media disposed across the frame and attached to the frame for filtering a gas stream passing through the filter media. As an aid in installing and removing the...	03/10/1981
4253955	Liquid-solids separator A continuous flow liquids-solids separator for removing particulate solids suspended in gas scrubbing liquids used in industrial stack gas scrubbing systems. The separator includes a solids separating tank having a pair of parallel perforated walls and an...	03/03/1981
4253856	Filter arrangement A filter installation for a filter housing including a header plate having an aperture of a predetermined diameter, a tubular filter, a venturi-like member extending through the aperture into one end of the filter, an annular shoulder on said member havin...	03/03/1981
4247316	Gas separation filter device having a handle A gas separation device has a peripheral flow-through frame with a sheet of gas separation filter media disposed across the frame and attached to the frame for filtering a gas stream passing through the filter media. As an aid in installing and removing t...	01/27/1981
4237932	Control arrangement for a damper A damper control arrangement wherein a damper blade opens and closes a flow-through orifice in response to selective moving means, the selective moving means moving the damper blade a preselected distance from the orifice opening to vary the opening of th...	12/09/1980
4217122	Filter retaining latch A latch assembly for removably clamping a unit filter cell in position against a flow-through frame structure includes a shaft spaced from the flow-through frame structure and mounted for rotational movement about its longitudinal axis and for movement tr...	08/12/1980
4204980	Method and composition for removing iodine from gases A method and composition for removing iodine and organic iodides from an iodine-containing off-gas stream is provided. The composition for the removal is a ceramic material impregnated with a mixture of a metallic salt with a water-soluble secondary amine...	05/27/1980
4204847	Mist eliminator device for a wet scrubber apparatus A mist eliminator device, particularly well suited for use in a wet scrubber apparatus, has a plurality of parallel spaced apart chevron shaped baffle members transversely disposed in a peripheral frame to define a plurality of parallel correspondingly ch...	05/27/1980
4198454	Lightweight composite panel A lightweight composite panel for use in constructing a portable or mobile enclosure capable of resisting penetration by small arms projectiles, explosive forces and heat having a multi-layered sandwiched construction. The layers include spaced apart meta...	04/15/1980
4185157	Apparatus for collecting and removing smoke and fumes from a melting furnace plant An apparatus for removing smoke and fumes from a melting furnace including a stationary exhaust duct, an inverted funnel-shaped hood, and an extensible ducting stem pivotally interconnecting the hood and exhaust duct to accommodate shifting movement of th...	01/22/1980
4171621	Freeze protection device in heat pump system A water source heat pump system having a plurality of zone air conditioning units, each unit adapted for selectively heating or cooling a zone independent of other units, each air conditioning unit having an air conditioner coil, a heat exchanger of the t...	10/23/1979
4171211	Air filtering unit An air filtering unit includes a generally rigid, affixed framework having an inwardly extending planar flange defining an opening. A box-like filter cartridge has a lower edge surface adapted to seat on the framework flange. Means are provided for securi...	10/16/1979
4171210	Unit filter including filter retaining means A filter retaining device to prevent a unit filter from inadvertently falling out of a bottom access flow-through housing when the housing is opened to gain access to the interior. Bottom access flow-through filter housings typically include spaced apart ...	10/16/1979
4164901	Indoor gun firing range enclosure having a ventilation system An indoor gun firing range enclosure with a ventilation system for removing particulate matter, such as lead or other heavy metals, and unburned gunpowder, plus gaseous contaminants such as carbon monoxide, from the atmosphere within the enclosure to make...	08/21/1979
4164211	Damper assembly A damper assembly for use in gas-conducting conduits including a damper blade with a cavity therein for receiving a fluid and a plurality of outlet ports in flow communication with the cavity to provide means for providing a pressurized fluid seal around ...	08/14/1979
4164547	Process for removing sulfur dioxide in a wet scrubber The method for removing oxides of sulfur from a waste gas stream in a wet scrubber using a controlled amount of a fly ash solution as one of the sulfur dioxide reacting materials....	08/14/1979
4164399	Wet scrubbing device A wet scrubbing device having a transversely extending trough mounted in a vertically extending scrubbing tower with means to add a scrubbing solution to the trough and means to pressurize the fluid in the trough forcing the scrubbing solution out of the ...	08/14/1979
4162904	Silencer-separator device A silencer-separator having a cylindrical casing of circular cross section which is divided into an upper separator chamber and a lower expansion chamber. An inlet pipe directs a gas stream into the expansion chamber, and a pair of angularly disposed tube...	07/31/1979
4135900	Gas filter device A gas filtering device of the type having a pleated filter media for filtering a gas stream passing through the media from the upstream side to the downstream side of the filter device, a peripheral frame surrounding and attached to the margin of the plea...	01/23/1979
4127621	Quenching device A quenching device for a hot, dirty gas stream, the quenching device being disposed between a flow-through duct carrying a hot, dirty gas stream and a housing to treat the gas, the quenching device including a pair of cooling water sources in parallel tra...	11/28/1978
4127397	Discharge apparatus for filter assembly for radioactive contaminants Discharge apparatus for filter assembly for radioactive contaminants, the filter assembly including a housing with at least one filter bed therein, the discharge apparatus including a first conduit in fluid communication with an outlet from the filter bed...	11/28/1978
4127183	Silencer device A silencer device for attenuating fluid borne noise has a flow through housing with an open upstream end for the entrance of a fluid into the housing and a coaxial open downstream end for exhausting the fluid from the housing. An entrance header formed of...	11/28/1978
4124361	Sealing device for filter cells A sealing device for a plurality of flow-through filter cells in a filter cell housing including a longitudinally extending toggle joint support member extending through opposed side walls of the housing and a plurality of toggle joints mounted at the kne...	11/07/1978
4124362	Snap together header and cell side assembly A filter assembly including a filter frame with filter media disposed therein and a border flange arranged to engage the edge of the filter frame, the border frame being clamped to the frame by a deformable resilient clamp which is inserted between the fi...	11/07/1978

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Assignee: American Air Filter Company, Inc.