Abstract: An air drying system using plural air drying units. The system includes moist air and dry air plenums and a pair of substantially identical air drying canisters. Each unit has a single lower bases and a single, flanged mounting bracket. The moist air plenum is connected to an air inlet in the lower base, and the dry air plenum is connected to a dry air outlet in the lower base.

Abstract: An evaporative emissions filter for an engine air induction system. The evaporative emissions filter includes a hydrocarbon vapor-adsorbent member disposed within the air induction system outside the direct air flow path. A mechanism is provided for mounting the evaporative emissions filter within the air induction system. Hydrocarbon vapors present in the air induction system after engine shut-down are substantially retained in the adsorbent member until air flows through the air induction system after the engine starts.

Abstract: An adsorptive filter/member for adsorbing a gaseous adsorbate. The filter includes two layers of a flexible polymeric material to form an area therebetween. Fasteners are located at predetermined areas across the two layer outer surfaces, the fasteners extending from the outer surface of one layer to the outer surface of the other layer. The fasteners subdivide the area into a plurality of substantially enclosed chambers. Adsorptive media is disposed within each of the plurality of chambers. The chambers are adapted to substantially evenly distribute adsorptive media throughout the filter. Throughbores extend through the filter, and receive attachment members for mounting the filter to a surface. A gaseous adsorbate flow path is in gaseous communication with one of the outer surfaces of the two layers. Each of the two layers' polymeric materials includes pores that are permeable to the gaseous adsorbate, yet are substantially impermeable to the adsorptive media.

Abstract: A canister for a motor vehicle is connected to a fuel tank and a throttle pipe to adsorb fuel gas containing noxious constituents, which are generated in a fuel tank. A first space and a second space, through which the fuel gas flows, are defined, the fuel gas flows in opposite directions through the respective first and second spaces, the second space is divided into space parts by a plurality of support filters, a fuel gas reducing device is installed in one space part, which is delimited by two support filters, and air flow through the fuel gas reducing device is perpendicular to air flow through the first and second spaces.

Abstract: A disposable dryer cartridge for an air/gas dryer apparatus for installation in an air/gas line delivering compressed air or gas to an air/gas-driven tool. The cartridge includes a flexible elongated casing having a drying composition therein. The casing has an air/gas inlet and an air/gas outlet thereon. A handle is also provided on the casing. The casing is self-configurable into a cross-sectionally contracted configuration when lifted by the handle to facilitate insertion in or removal from an air/gas dryer apparatus. Following insertion of the casing in an air/gas dryer, it is manipulated as necessary to reconfigure the casing from the contracted configuration to an operational configuration wherein the casing is not cross-sectionally contracted and wherein the drying composition is compacted. When the casing needs replacement, it can be grasped by the handle and lifted to re-effect the contracted configuration and thereby removed from the dryer.

Abstract: Embodiments of oxygen concentrators having a sieve bed that includes a vessel filled with a separation medium are disclosed. The sieve bed vessel at least partially supports one chassis component of the oxygen concentrator with respect to another chassis component. of the oxygen concentrator.

Abstract: Inside of a first absorption chamber of a canister, a heat storage material container in which a heat storage material constituted of a material that is larger in thermal conductivity and higher in heat capacity than an absorber is accommodated is provided. Since the heat storage material is isolated from the absorber, a larger contact area of the absorber with vaporized fuel gas and air can be secured, and thereby the absorption capacity and desorption capacity of the absorber can be highly exerted. Accordingly, the heat storage material can inhibit the absorber from varying in temperature, the absorber can be prevented from deteriorating in absorption capacity, and the heat storage material can be prevented from deteriorating.

Abstract: A disposable cartridge air/gas dryer apparatus for installation in an air/gas line delivering compressed air or gas to an air/gas-driven tool. The dryer includes a pressure vessel having first and second ends, an inlet port, and an outlet port. A disposable dryer cartridge is disposed in the pressure vessel. The cartridge includes a casing and a quantity of a drying composition in the casing. A cartridge support surface in the pressure vessel supports a first end of the cartridge. A cartridge-receiving opening is provided in the pressure vessel for inserting and removing the cartridge in the pressure vessel. A cover removably covers the opening and captures a second end of the cartridge. The dryer can be provided with a handle so that it can be easily and quickly replaced by opening the cover, pulling out the cartridge and inserting a new cartridge.

Abstract: An exhaust gas filter cartridge which is suitable for use in a muffler such as to form an exhaust gas filtering system is disclosed. The filter cartridge preferably includes a first porous longitudinal wall and a second porous longitudinal wall, both porous longitudinal walls having openings which allow for a sufficient gas flow through the filter cartridge. An absorbent material, preferably in pellet form, is housed substantially in-between the first porous longitudinal wall and the second porous longitudinal wall of the filter cartridge. The filter cartridge is preferably disposable. A guard casing may be used in conjunction with the filter cartridge to provide an exhaust gas filtering system. The guard casing preferably has two end closure structures. A gas inlet end structure is preferably associated with one end closure structure and a gas outlet end structure may be associated with the other end closure structure of the guard casing.

Abstract: A compact sorbent filter for selectively sorbing contaminants and method of removing contamination from an enclosure with a filter is disclosed. Filters of the present invention comprise two or more modular adsorbent units that can be foldably connected and possibly symmetric about one or more axis. In another aspect, the invention provides a laminar support, having at least one edge, a first side and a second side opposite the first side, wherein the article is folded along the fold line about the at least one edge of the laminar support such that the first adsorbent assembly is adjacent to the first side of the laminar support and the second adsorbent assembly is adjacent to the second side of the laminar support. In this aspect, the laminar support may be exposed or covered by the adjacent adsorbent assemblies.

Abstract: A carbon filter panel for an air cleaner is provided according to an embodiment of the invention. The carbon filter panel includes a frame including one or more side members and a frame interior space and a plurality of spaced-apart carbon elements extending across the frame interior space. Airflow can pass between the plurality of carbon elements and through the carbon filter panel.

Abstract: A desiccant cartridge (10) having a seal (12) therearound for forming a proper seal between cartridge (10) and canister (14) of a receiver/dryer or accumulator assembly includes a cup (16) extending along an axis (18) having inner wall portion (20) and outer wall portion (22) connected to transverse portion (24) to define a chamber (26) containing desiccant particles (30). Cap (70) is secured to cup (16) to secure the desiccant particles (30) inside chamber (26). Outer wall portion (22) is provided with the seal (12) that is composed of a flexible thermoplastic elastomer that is resistant to heat during welding shut of the canister (14).

Abstract: A method and apparatus in which a granular adsorbent, absorbent, chemisorptive, or catalytic material, particularly activated carbon is intermixed with (a) meltable polymer(s), and that the resulting mixture is heated under pressure and pressed into a molded piece (2). We propose to heat the mixture under pressure in a connecting part for a respirator or fan filter unit or in a connecting part (1) for an adapter for a respirator or fan filter unit, thereby positively and/or non-positively compacting it with said connecting part, and to make the connection between said connecting part (1) and said compacted mixture gastight.

Abstract: A tangential air filter configuration is designed for applications where there is a potential for a pollutant to back flush out. The tangential in-line air filter reduces air resistance and prevents back flow, allowing the air to traverse through a forced air system during operation without resistance, and absorbs particulates and prevents back flow of fuel vapors when the forced air is at a standstill. The filter medium has a plurality of pleats or corrugations with a longitudinal axis parallel to the forced airflow direction. A diffusion barrier is formed when the forced air is at a standstill. Vapors are not passed or forced through the filter medium; rather pollutants are aggressively absorbed during diffusion.

Abstract: The present invention relates to a refrigerator having a cabinet forming a fresh food storage compartment and a freezer compartment, at least one door for opening and closing the cabinet, and an adsorbing device containing a desiccant material for collecting moisture from air inside the cabinet, wherein the adsorbing device is mounted inside the cabinet.

Abstract: An evaporated fuel processing device (10), in particular for an internal combustion engine of an automotive vehicle, comprises a tank port (12) and an atmospheric port (22); a first adsorbent chamber (14) between the tank port (12) and the atmospheric port (22); and a second adsorbent chamber (18) between the first adsorbent chamber (14) and the atmospheric port (22), the first and second adsorbent chambers (14, 18) being filled with an adsorbent material (16). According to an important aspect of the invention, at least two elongate flow passages (26, 26?) are arranged in parallel between the first adsorbent chamber (14) and the second adsorbent chamber (18).

Abstract: An evaporative emissions filter for an engine air induction system. The evaporative emissions filter includes a hydrocarbon vapor-adsorbent member disposed within the air induction system. A mechanism is provided for mounting the evaporative emissions filter within the air induction system. Hydrocarbon vapors present in the air induction system after engine shut-down are substantially retained in the adsorbent member until air flows through the air induction system after the engine starts.

Abstract: Filters and filtering methods for placement in an electronic enclosure, such as a hard disk drive housing, are disclosed. In one embodiment the filter includes a housing having a top, a base, and at least one sidewall extending from the top to the base, the housing defining an inlet port and an outlet port through the sidewall, and a breather port in the base, the housing further defining an internal volume. Adsorbent filter media is disposed within the internal volume of the housing such that the housing defines a first path for flow of fluid through the breather port in the base to the filter media and a second path for flow of fluid through the inlet port, into contact with the filter media, and out the outlet port.

Abstract: Disclosed herein an evaporative emission treatment device comprising: a housing; and an adsorption member disposed in the housing, the adsorption member comprising an adsorption component comprising an activated carbon textile made from a novoloid precursor.

Abstract: A portable pressure swing adsorption apparatus and conservation device for medical use, and a sound enclosure for the apparatus having two isolating sections to enclose the apparatus, the enclosure having an inlet in one of the sections for allowing ambient air into the enclosure and an outlet in the other section for enabling waste gases from the apparatus to exit the enclosure and causing the ambient air and waste gases substantially to change direction within the enclosure before entering or exiting the apparatus.

Abstract: An improved system and method for mounting an air dryer is provided. The improved system and method employs a single centralized special fitting that secures the air dryer manifold to a reservoir. The bore in which the fitting is disposed is used to communicate air from the reservoir to the air dryer in order to purge the desiccant in the air dryer. The mounting assembly includes anti-rotational mechanisms which prevent the air dryer from rotating about its axis. The mounting assembly may also include a reservoir and a mounting bracket for the reservoir which uses less than 75 percent of a truck mounting rail height.

Abstract: A fuel vapor treatment device for an automotive vehicle includes a casing having a charge port connected to a fuel tank, a purge port connected to an intake side of an engine, and an atmospheric air port through which atmospheric air is introduced. Fuel vapor adsorbing material is filled in the casing. A filter is disposed in the casing and between the atmospheric air port and the fuel vapor adsorbing material to trap dust contained in atmospheric air. A baffle plate is disposed in the casing and between the atmospheric air port and the filter to change flow of atmospheric air introduced through the atmospheric air port into a generally radial direction. Additionally, an annular space is formed around the baffle plate so that atmospheric air from the baffle plate flows through the annular space to the filter.

Abstract: Systems and methods for removing hydrocarbons and other pollutants from roadway surfaces are provided. The systems can include a pollution trap attached to a vehicle, where the pollution trap comprises an absorbent pad, filter, or membrane. The pollution trap is affixed to the vehicle, for example, in the wheel well, on a mud flap, on the underside of a vehicle or another suitable place where the pollution trap can be exposed to a roadway pollutant. The methods described herein can include liberating roadway pollutants from a roadway and using a pollution trap to collect the liberated roadway pollutants.

Abstract: A filter member which comprises one layer of deodorizing filter 1, which is composed of a reticulated filter substrate and a deodorizing agent adhering to the surface of its skeletons, and one or two layers of dust collecting filter 2a and 2b laminated on any one side or both sides thereof, with the resulting laminate being pleated.

Abstract: A vent insert with an integral carbon-to-carbon composite filter element is used to vent enclosures such as drums and convenience cans containing transuranic materials which generate hydrogen. The vent inserts do not utilize adhesive to retain filter elements therein but rather utilize a housing having a filter element support with a knife edge to form a seal and a press fitted lid. Both the housing and lid are formed of corrosion resistant HASTELLOY® C-22® alloy. The vent inserts resist HCl corrosion as well as corrosion induced by nitric acid and chlorinated solvents.

Abstract: A device, system, and method for collecting grease on rooftop exhaust fans, comprising a gasket formed of sorbent material. The gasket is dimensioned for placement between an exhaust fan and a base for the exhaust fan. When placed between the exhaust fan and the base for the exhaust fan, grease is absorbed and retained by the gasket during operation of the exhaust fan.

Abstract: A device is disclosed for cooling motors that generate heat during operation. The device is more specifically directed to handheld power tools where long operation can lead to overheating of the handheld tool.

Abstract: An adsorbent article having a base body or matrix onto which is applied an adsorptive coating. The body or matrix can be a honeycomb matrix or structure having a plurality of cells defining a plurality of passages extending through the body. The adsorptive coating comprises an adsorptive media, such as activated carbon or ion exchange resin, that is bound by a polymeric adhesive or resin. The adsorbent article has a minimal pressure loss therethrough.

Abstract: A gas cabinet assembly for dispensing of gas to a process facility such as a semiconductor manufacturing tool. A purge gas dry scrubber is integrated with the gas flow circuitry and a venturi pump in the gas cabinet. Purge gas is flowed through the flow circuitry in the gas cabinet subsequent to on-stream dispensing of process gas through such flow circuitry, and forms a purge effluent including the residual process gas. The purge effluent is flowed through a dry scrubber unit to sorptively remove the process gas species from the purge effluent. The resultant process gas-depleted purge effluent is vented from the gas cabinet, e.g., into the ducting of the house exhaust system of the process facility. Monitoring of the relative depletion of the dry scrubbing medium in the dry scrubber may be carried out with endpoint detection, e.g., using colorimetric change techniques, toxic gas monitor devices, or PLC/CPU arrangements.

Abstract: A scrubber for eliminating NO from air flowing through the scrubber, comprising a housing (1) having at least one inlet hole (2) and an outlet hole (4) and which is comprising filtering material (6). A second outlet hole (9) is provided in the housing (1) at a position situated at a distance from the first outlet hole (4) and any inlet hole (2) so that the air leaving the second outlet hole (9) will have flown at least through a depth of the filtering material (6) substantially corresponding to the depth of the filtering material (6) for the air flowing from the inlet hole (2) to the first outlet hole (4).

Abstract: A canister is connected to a fuel tank to adsorb fuel vapor vaporized in the fuel tank and includes a canister housing and a canister main body, which is received in the canister housing and communicates with the fuel tank at one end. The canister housing includes an atmospheric port and a filter chamber, and the filter chamber receives a filter and communicates between the other end of the canister main body and the atmospheric port, which in turn communicates with the atmosphere. The filter includes an active carbon part, an atmosphere-side unwoven fabric and a tank-side unwoven fabric. The active carbon part includes active carbon granules, which adsorb fuel vapor vaporized in the fuel tank. The atmosphere-side unwoven fabric and the tank-side unwoven fabric sandwich the active carbon part therebetween in a flow direction of air, which passes through the active carbon part.

Abstract: The desiccant bottle cap includes a cap structure and a desiccant material adhered thereto. The desiccant bottle cap is preferably used to cover a medicine bottle so that the efficiency of the medicine disposed therein will not be impaired by moisture resulting from humid air entering the bottle. In one embodiment, the desiccant bottle cap includes a bottle cap and a desiccant packet affixed to an interior surface thereof. In another embodiment, the desiccant bottle cap includes a bottle cap, a bottle cap liner adhered to an interior surface of the bottle cap, and a desiccant packet adhered to a top surface of the desiccant liner. In yet another embodiment, loose desiccant material or a disk of desiccant material is sandwiched between a bottle cap liner and a porous material to create a bottle cap insert for removable insertion into a bottle cap.

Abstract: Disclosed is a canister for a motor vehicle. A liquid trap provided to an upper surface of a canister body is formed to have a circular configuration. A plurality of intake pipe nozzles are connected at an angle to a guide pipe which is installed through a center portion of the liquid trap, such that the intake pipe nozzles extending in a radial direction are separated one from another by a predetermined angle along a circumferential direction. A bottom wall of the liquid trap is formed such that an upper surface of the bottom wall is inclined downward from a center portion thereof toward an edge portion thereof. A diffusion device is disposed directly below the liquid trap to uniformly distribute evaporated gas to be introduced into the canister body.

Abstract: A multilayer filter assembly for use inside an electronic enclosure, such as a hard disk drive enclosure containing a rotating disk, is disclosed. The filter assembly provides filtration of air entering the enclosure, as well as air circulating within the enclosure. The filter assembly is generally a single-piece unit that can be formed without a rigid frame, thus allowing the filter assembly to be produced at a reduced cost. In one implementation of the invention, the multilayer filter assembly contains at least two particulate removal layers covering, enclosing, and dividing at least two adsorbent regions. One of the adsorbent regions is configured to be placed flush against an interior wall of the electronic enclosure to allow air to flow in and out of the enclosure, while the other adsorbent region is configured to be placed in an upright position in the enclosure with exposed surfaces that allow airflow through this portion of the filter assembly.

Abstract: A breather bag filter assembly for use with an electronic enclosure, such as a hard disk drive enclosure containing a rotating disk, is disclosed. The filter assembly provides filtration of air entering and exiting an electronic enclosure through a breather hole. The filter assembly is a deformable sealed cavity that exchanges air with the drive enclosure as the air pressure inside the drive enclosure fluctuates. In one implementation of the invention the filter assembly contains three layers of material. Two layers of material form the exterior of the filter assembly surrounding a third layer that is composed of an adsorbent material.

Abstract: A quick-change filter system provided with at least one base and at least one quick-change filter, which base is provided with a filter coupling provided with a gas inlet stub for connection to an inlet of the filter and with a gas outlet stub for connection to an outlet of the filter, the filter being provided with a housing, which is at least partly filled with filter material and to which the inlet and the outlet are connected, and with a quick-change coupling arranged for cooperation with the filter coupling of the base, the coupling containing the inlet and the outlet of the filter, the base being provided with a mechanism for manually connecting the filter to the base, and being provided with a sealing mechanism for automatic, gastight sealing of the gas outlet stub and the gas inlet stub when decoupling the filter from the base.

Abstract: A deodorizer mounting for engagement into a wall-mounted electrical outlet box including an adsorber unit for removing gases and odors from the ambient atmosphere, a generally L-shaped bracket including a horizontal leg and a vertical leg, a cover plate having a front side and a rear side, at least one prong, mounted to and extending perpendicularly from the rear side of the cover plate, sized and spaced to engage the female receptacle of the electrical outlet box, and a means to affix the front side of the cover plate to the vertical leg of the L-shaped bracket. A mounting device and method of installation obviates or at least reduces the poor aesthetics of conventional wall-mounted adhesive units and the relatively high replacement costs for non-securable room deodorizers.

Abstract: A hydrocarbon adsorbing device capable of adsorbing or absorbing and subsequently releasing hydrocarbons in the induction system of a motor vehicle. In one embodiment, the hydrocarbon adsorbing device includes an inner cylinder of hydrocarbon adsorbing material and an outer cylinder of hydrocarbon adsorbing material. The inner cylinder is located within the outer cylinder. The hydrocarbon adsorbing device also includes an intermediate member of hydrocarbon adsorbing material that is located between the inner cylinder and the outer cylinder. The intermediate member may be attached to both the outer cylinder and the inner cylinder and be folded in a pleated fashion. In one embodiment, the intermediate member extends completely about the inner cylinder. The hydrocarbon adsorbing device may also include a flange attached to and extending outwardly from the outer cylinder for use in locating the hydrocarbon adsorbing device in the induction system.

Abstract: The subject of the present invention is a method and a device for the separation of fuel-vapor/air mixtures into their components, in particular for purification of vapor mixtures, such as occur in fuel tanks of motor vehicles. A preseparator is arranged between the fuel tank and the filter. In the preseparator, the hydrocarbons are separated from the mixture and are supplied to the fuel tank again. The remaining mixture is supplied to the filter.

Abstract: An air dryer assembly and mounting bracket for mounting an air dryer to a vehicle. The air dryer assembly has a manifold and a canister which seal against the surface of the mounting bracket. Orientation pegs are provided along the sealing surface of the air dryer manifold and receive corresponding indented regions in a cut out region in the mounting bracket. By providing a number of orientation pegs on the surface of the manifold, a number of mounting orientations for the air dryer assembly can be achieved.

Abstract: A fuel tank assembly has a cover adapted for attachment to a structural member of a vehicle to define an enclosure between the cover and structural member and a fuel tank is received within the enclosure. Preferably, a space exists between the fuel tank and the cover, and the space is communicated with a fuel vapor canister to remove fuel vapor from the space and prevent it from escaping to the atmosphere. Desirably, the cover shields the fuel tank from the atmosphere, debris, and adjacent vehicle components.

Abstract: A device for absorbing atmospheric moisture includes a support member with a net extending therefrom. The net includes a super absorbent polymer that has the property of being able to absorb a multiple of the polymer mass in atmospheric water and to thereafter release the water in response to an external stimulus. The device is in this way reusable. The device has particular application in the clearing of fog, manure odor clearance, and collection of potable water in remote locations. A process for extracting atmospheric moisture is also detailed that includes the step of extending a super absorbent polymer net into contact with an atmosphere. Thereafter, with that being in contact with the atmosphere for a sufficient amount of time moisture is absorbed from the atmosphere. The application of a stimulus to the super absorbent polymer containing atmospheric moisture causes the release of liquid water therefrom. The super absorbent polymer is then suitable for reuse to again absorb atmospheric water.

Abstract: The present invention relates to a device for absorbing carbon dioxide, which is equipped along an automobile exhaust pipe and a factory chimney. The present invention also relates to a method for absorbing carbon dioxide. According to the present invention, there is provided a device for absorbing carbon dioxide, comprising a housing 4 of a material having air permeability; a cement composition for absorbing carbon dioxide, enclosed inside the housing 4; and a pipe 5 across the housing, the pipe having an inlet 2 and an outlet 3. According to the present invention, when a gas is introduced from the inlet 2, carbon dioxide in the gas is absorbed by the carbon dioxide absorbing materials such as a cement composition enclosed in the housing 4. The gas is discharged from the outlet 3.

Abstract: An air dryer and reservoir assembly for providing compressed air from an air compressor (20) on a heavy motor vehicle which includes an air dryer (14) connected to receive compressed air from the air compressor (20) and a secondary reservoir (12), including an integral purge volume (34), for storing compressed air which passes through the air dryer (14), with the air dryer (14) and the secondary reservoir (12) being securely attached to a housing (16) to form an air dryer reservoir module (10). A primary, reservoir (18) for storing compressed air from the air dryer (14) is located remote from the air dryer reservoir module (10). A pressure equalizing mechanism (57) is disposed between the primary reservoir (18) and the secondary reservoir (12) for keeping pressure in the two reservoirs (12,18) equal.

Abstract: A dual-action vent check valve is disclosed. The valve includes a first check valve which is responsive to elevated fluids inside the valve. A second check valve is responsive to elevated fluids external to the valve. The first check valve prevents overflow from a vented structure, such as a sewer out-fall line, from passing through and out of the valve, thereby preventing spills. The second check valve operates to prevent floodwater from passing into an underground structure, such as a sewer, through the vent. One embodiment of the invention includes a basket for enclosing a deodorizing material inside the valve for deodorizing gases which pass through the valve.

Abstract: An air filter that can fit within existing building HVAC air supply systems suitable for withstanding NBC attacks, comprising a series of pleated composite layers. By using impregnated carbon particles of the proper size, nerve gases, and gases of lower molecular weight, such as cyanogen chloride, are effectively controlled, even under tests simulating large-scale attacks. A particulate filter such as, for example, a HEPA filter, may be included to control biological particles or toxic aerosol droplets. The complete filter operates at such a low differential pressure, that existing building mechanicals do not have to be upgraded or replaced. Also disclosed is a filter for use with a respirator.

Abstract: An air induction system of an automotive internal combustion engine comprises an evaporative emission control device inserted into an air intake tube connecting an air cleaner canister and an intake manifold of the engine. The evaporative emission control device comprises a rigid tubular body that includes an upstream end and a downstream end. A hydrocarbon vapor absorbing element is disposed within the rigid tubular body such that the upstream face is recessed from the upstream end of the rigid tubular body, and the downstream face is recessed from the downstream end of the rigid tubular body. The extended ends of the rigid tubular body thereby protect the recessed faces from incidental contact. The air intake tube is formed of elastomeric material that provides flexible support for the evaporative emission control device to protect against damage due to vibration.

Abstract: The present invention concerns a modular air supply system for a vehicle, normally a truck or bus. The system comprises a base unit forming an interface to different modules of the air supply system. Such further modules may include an air treatment module, an electronic drier unit and air distribution module.

Abstract: A quick-change filter system provided with at least one base and at least one quick-change filter, which base is provided with a filter coupling part provided with a gas inlet stub for connection to an inlet of the quick-change filter and with a gas outlet stub for connection to an outlet of the quick-change filter, the quick-change filter being provided with a filter housing, which is at least partly filled with filter material and to which the inlet and the outlet are connected, and with a quick-change coupling arranged for cooperation with the filter coupling part of the base, the quick-change coupling containing the inlet and the outlet of the quick-change filter, the base being provided with means for manually connecting the quick-change filter to the base, and being provided with sealing means for automatic, gastight sealing of the gas outlet stub and the gas inlet stub when decoupling the quick-change filter from the base.

Abstract: An air dryer and reservoir assembly for providing compressed air from an air compressor (20) on a heavy motor vehicle which includes an air dryer (14) connected to receive compressed air from the air compressor (20) and a secondary reservoir (12), including an integral purge volume (34), for storing compressed air which passes through the air dryer (14), with the air dryer (14) and the secondary reservoir (12) being securely attached to a housing (16) to form an air dryer reservoir module (10). A primary reservoir (18) for storing compressed air from the air dryer (14) is located remote from the air dryer reservoir module (10). A pressure equalizing mechanism (57) is disposed between the primary reservoir (18) and the secondary reservoir (12) for keeping pressure in the two reservoirs (12,18) equal.