A SENSOR CONNECTING BRIDGE, A SENSOR COUPON, A CORROSION MEASURING DEVICE FOR MONITORING OF AIRBORNE CORROSIVITY, A BRIDGE HOLDER, A MONITORING SYSTEM AND A METHOD OF MONITORING OF AIRBORNE CORROSIVITY
A sensor connecting bridge (1) configured to be used in connection with a corrosion measuring device (20) for monitoring of airborne corrosivity, said sensor connecting bridge comprising at least one connector assembly (3a,3b;4a,4b) configured to enable electrical connection between said measuring device (20) and at least one sensor coupon (30a,30b) inserted into the sensor connecting bridge, and a computer readable memory comprising information about the sensor bridge identity. A sensor coupon (30) adapted to be used in connection with the sensor bridge (1), a sensor connecting bridge arrangement, a corrosion measuring device (20) for monitoring of airborne corrosivity, a passive sensor connecting bridge holder (41) for offline corrosivity determination, a monitoring system (21) for monitoring of airborne corrosivity in one or more different locations and a method of monitoring of airborne corrosivity in one or more different locations using the monitoring system (21).
A filter media supporting cage assembly (1) for a filter media support structure (100) configured to support a filter media pack (101) in a filter cartridge (110), said cage assembly (1) circumscribing an interior volume (V) and comprising two or more cage wall members (4) extending in a length direction (L) from a first end (2) to a second end (3), each of said cage wall members (4) having an inner side (5) facing the interior volume (V), when assembled, and an outer side (6) facing the filter media pack (101), when mounted in a filter cartridge, and said cage assembly (1) having a latticework structure including column elements (7) extending substantially in said length direction (L) and beam elements (8) extending in a cage circumference direction, and said cage wall members comprising one or more column connecting sections (11) extending in a cage circumference direction and including column connecting sheet elements (12) located between and attached to adjacent column elements (7) and extending in said length direction (L). A filter media support structure (100), A filter cartridge (110) and an air filtration arrangement (120) including a filter cartridge.
An air filter front end plate (1) configured to close off a front end (102) of a hollow air filter media pack (101), the front end plate comprises a bowl part (2) and a flange part (3) located along a periphery (4) of the bowl part (2), said bowl part including a connection point (5) located at the centre of the bowl part and being configured to be connected to a front end (132) of a mounting stand (131) in an air filter arrangement, the bowl part (2) extending from a forward end (21) toward a rearward end (22) of the air filter front end plate and is configured to be at least partially inserted into a front end opening (102) of the hollow air filter media pack (101), and wherein the bowl part (2) has a recurved shape with a first curved portion (7) located closer to said forward end (21) and a second curved portion (8) located closer to said rearward end (22), wherein said first curved portion (7) has a convex shape in relation to a centre line through the air filter front end plate and said second curved portion (8) has a concave shape in relation to said centre line, whereby the connection point (5) is located in a position forward of the second curved portion (8). The disclosure further relates to a pressure indicator washer, a pressure indicator assembly, a front end plate, an air filter cartridge (110) and an air filter arrangement (200).
B01D 46/02 - Séparateurs de particules comportant des filtres creux faits en un matériau souple, p.ex. appareils de précipitation de poussières
B01D 46/24 - Séparateurs de particules utilisant des corps filtrants creux et rigides, p.ex. appareils de précipitation de poussières
F16B 39/24 - Blocage des vis, boulons ou écrous dans lequel le verrouillage se fait en même temps que le vissage ou le serrage par rondelles, rondelles à ressort ou plaques élastiques qui bloquent contre l'objet
F16B 43/00 - Rondelles ou dispositifs équivalents; Autres dispositifs de support pour têtes de boulons ou d'écrous
An air filter comprising a filter casing defining an air passage from a first opening to a second opening in the filter casing, at least one filter element arranged in the air passage of the filter casing, such that air passing between the first opening and the second opening must pass through the at least one filter element, characterized in that said filter casing is manufactured with at least one sealed access port integrated in the filter casing, wherein said at least one sealed access port can be unsealed to provide an access to the air passage from outside the filter casing.
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/10 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières disposés en batteries
B01D 46/52 - Séparateurs de particules utilisant des filtres comportant un matériau plié, p.ex. appareils de précipitation de poussières
A sealing device (1) comprising a gasket (5) configured to seal a gap (2) between a first element (3) and a second element (4), wherein the gasket is arranged to be located in the gap (2) and to be in contact with the first and the second elements (3,4) during use, the sealing device comprising: a gasket (5) comprising two elongated gasket members (5a, 5b), where an inner 5 elongated gasket member (5a) is configured to surround an area (A), and an outer elongated gasket member (5b) is configured to surround the inner gasket (5a) and said area (A); and a carrier member (6), extending along the length of the elongated gasket members (5a,5b), and said elongated gasket members (5a,5b) being attached to the carrier member so that they are held in position on a distance from each other so as to form an intermediate gasket space (8) 10 between the gasket members (5a,5b); and a channel (7) connecting the intermediate gasket space (8) with the surroundings and being configured to be connected to a pressure source, to allow application of pressure on the intermediate gasket space (8) during use.
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
G01L 7/00 - Mesure de la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments mécaniques ou hydrauliques sensibles à la pression
G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
G01L 11/00 - Mesure de la pression permanente, ou quasi permanente d'un fluide ou d'un matériau solide fluent par des moyens non prévus dans les groupes ou
G01M 3/02 - Examen de l'étanchéité des structures ou ouvrages vis-à-vis d'un fluide par utilisation d'un fluide ou en faisant le vide
6.
AN AIR FILTRATION CASSETTE, AN AIR FILTER AND A FILTER ARRANGEMENT
An air filtration cassette (10,20) extending in a length direction (L) between a first end (17,27) and a second end (18,28), related to an intended air flow direction from the first end to the second end during use, the air filtration cassette comprising a filter material (12,22) disposed between an outer boundary surface (13,23) and an inner boundary surface (14,24), 5 the air filtration cassette having an interior open space (15,25) encompassed by the inner boundary surface and the filter material, and having an opening (19,29) arranged at one end (11,21) of the open space and being closed at the other end (16,26) thereof, an average distance (D2,D20) between said inner boundary surface (14,24) and said outer boundary surface (13,23) at said second end (18,28) being larger than an average distance (D1,D10) between said inner boundary and said outer boundary at said first end (17,27), the average distance between said inner boundary surface (14,24) and said outer boundary surface (13,23) being the average of all distances between the inner boundary surface (14,24) and the outer boundary surface (13,23) in a direction perpendicular to said length direction at a selected position along the length of the air filtration cassette; an air filter (30) and a filter arrangement (33).
Disclosed herein are replaceable filter frame gaskets and air filters having the same. The gasket is secured elastically to a filter frame of the air filter, making the gasket easily reusable and removable from the air filter.
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/02 - Séparateurs de particules comportant des filtres creux faits en un matériau souple, p.ex. appareils de précipitation de poussières
F16J 15/02 - Joints d'étanchéité entre surfaces immobiles entre elles
F16J 15/06 - Joints d'étanchéité entre surfaces immobiles entre elles avec garniture solide comprimée entre les surfaces à joindre
F16J 15/10 - Joints d'étanchéité entre surfaces immobiles entre elles avec garniture solide comprimée entre les surfaces à joindre par garniture non métallique
F16L 23/16 - Raccords à brides caractérisés par les moyens d'étanchéité
The present disclosure relates to pleated filter element comprising: a pleated filter media comprising a major upstream face and a major downstream face and comprising a plurality of oppositely-facing pleats extending between said major upstream face and said major downstream face such that the pleated filter media comprises a first corrugated edge and a second corrugated edge and a first noncorrugated edge and a second noncorrugated edge, wherein the pleated filter media comprises a main pleat section and a first edge pleat section at the first noncorrugated edge, wherein the length of the first edge pleat section is less than 50% of the total length of the pleated filter element between the first noncorrugated edge and the second noncorrugated edge, and/or wherein the maximum pleat height in the first edge pleat section is lower than the maximum pleat height in the main pleat section. The present disclosure further relates to an air filter comprising the pleated filter element in a casing.
B01D 46/10 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières disposés en batteries
B01D 46/52 - Séparateurs de particules utilisant des filtres comportant un matériau plié, p.ex. appareils de précipitation de poussières
9.
SEALING ARRANGEMENT, FILTER AND FILTER HOUSING, METHOD OF MONITORING LEAK TIGHTNESS, AND LEAK TIGHTNESS MONITORING SYSTEM
The disclosure relates to a sealing arrangement (1) comprising a gasket (5) arranged to seal a gap (2) formed between a first element (3) and a second element (4), wherein the gasket is arranged to be located in the gap (2) and to be in contact with the first and the second elements (3,4), where the gasket comprises two elongated gasket members (6,7) located on a distance from each other so as to form an intermediate gasket space (8) confined by the gasket members (6,7) and said first and second elements (3,4), and in that the sealing arrangement further comprises a pressure source (10) adapted to apply a pressure on the intermediate gasket space (8), said pressure source preferably being configured to maintain a set pressure difference towards the surroundings. The disclosure further relates to a method (100), a system, a computer program product arranged to perform the method, a further sealing arrangement (31) and a further method (300) of monitoring sealing integrity of a pharmaceutical production space.
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
G01L 11/00 - Mesure de la pression permanente, ou quasi permanente d'un fluide ou d'un matériau solide fluent par des moyens non prévus dans les groupes ou
G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
An air filter assembly and use thereof for filtration of air in wet or damp conditions, said air filter assembly comprising: an air filter comprising a front frame defining at least one rectangular aperture for receiving an air flow to be filtered; characterized in that said air filter assembly comprises a deflector element extending alongside an edge portion of the rectangular aperture and adapted to deflect an air flow passing through the rectangular aperture away from an adjacent inside surface of the air filter; and a liquid drain arranged such that liquid collected at said adjacent inside surface of the air filter can exit the air filter through said liquid drain.
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières disposés en batteries
A pocket filter assembly (1) with reduced risk for exposing a user to contaminations leaving the pocket filter assembly during and after removal of the pocket filter assembly from an installation is disclosed. A first pocket filter (6a) comprisesa grip member (10) configured to be gripped by the user to enable folding of the pocket filters in a controlled manner before removal of the pocket filter assembly from an installation.
There is provided a scanning device 100 for filter leakage detection, the scanning device comprising at least one scanning arrangement 131a, 131b arranged for scanning a respective filter 122a, 122b. Each scanning arrangement comprises a scan probe 132a, 132b covering the full width of its respective filter surface, and a movement mechanism 133a, 133b which each is operable to displace the scan probe in a direction perpendicular to the scan probe over the filter. The scanning device comprises an elongated rotatable actuator 134 arranged extending in parallel to the scan probe. Each movement mechanism is coupled to the actuator. Thereby a controlled manner of scanning several adjacently arranged filters, particularly in a side access cabinet that is more than one filter deep, from a side access position is provided.
G01M 3/20 - Examen de l'étanchéité des structures ou ouvrages vis-à-vis d'un fluide par utilisation d'un fluide ou en faisant le vide par détection de la présence du fluide à l'emplacement de la fuite en utilisant des révélateurs particuliers, p.ex. teinture, produits fluorescents, produits radioactifs
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
The present invention relates to a system (40) for air filter management, the system comprising a plurality of air filter devices (41a,b) and an air filter control station (42). Each air filter device(41a,b) is provided at an air filter arrangement in an air flow inlet to an industrial installation and comprises at least one filter medium capable of removing particulate material and/or airborne molecular contamination, AMC, from an air flow received at the air flow inlet. Each air filter device comprises a set of sensors arranged to gather sensor data representative of an operating state of the air filter arrangement, a microprocessor and a communication unit. The air filter control station (42) comprises communication unit arranged to receive operating state information from the plurality of air filter devices and a user interface for selecting an air filter arrangement of an air filter device. The air filter control station also comprises processing circuitry arranged to estimate a life expectancy of the selected air filter arrangement based on the operating state information received from an air filter device provided at the selected air filter arrangement and on operating state information received from one or more other air filter devices provided at other filter arrangements.
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
F24F 11/00 - Aménagements de commande ou de sécurité
The present invention relates to an air filter arrangement (20) configured to fitin an air flow passage. The air filter arrangement comprises an air filter framework (21), at least one filter medium (22) capable of removing particulate material and/or airborne molecular contamination, AMC, from an air flow received at the air flow passage, and an air filter sensor device(24)that is provided in the air filter framework (21) and configured to determine an operating state of the air filter arrangement. The air filter sensor device (24) includes air flow determining means for determining an air velocity of the air flow at the air filter arrangement (20), wherein the air flow determining means comprises measuring means configured to determine dynamic pressure or a pressure pulse attributable to a vortex pattern induced in the air flow, and in that the air filter framework comprises a structural element (23) configured to induce said vortex pattern. The invention also relates to air filter sensor device and a system for air filter management comprising the air filter sensor device.
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
F24F 11/00 - Aménagements de commande ou de sécurité
A test probe for filter leakage detection. The test probe (1) has an elongated housing (5) with a longitudinal inlet portion for admitting gas into a first chamber of the housing through an inlet of the inlet portion, and an outlet portion for letting gas out of a second chamber of the housing through an outlet of the outlet portion. Further, the test probe has an intermediate element comprising a throttling portion. The intermediate element is arranged between the inlet portion and the outlet portion, wherein the first and second chambers are fluidly interconnected via the throttling portion, wherein the throttling portion is elongated and extends longitudinally of the housing, wherein the throttling portion is arranged to cause a smaller vacuum upstream of the throttling portion than downstream of the throttling portion when gas is sucked through the test probe.
G01M 3/20 - Examen de l'étanchéité des structures ou ouvrages vis-à-vis d'un fluide par utilisation d'un fluide ou en faisant le vide par détection de la présence du fluide à l'emplacement de la fuite en utilisant des révélateurs particuliers, p.ex. teinture, produits fluorescents, produits radioactifs
G01N 1/22 - Dispositifs pour prélever des échantillons à l'état gazeux
A high efficiency air filter assembly (100) for high temperature applications comprising: a filter core (102) including a unitary sheet of air-permeable filter media folded in accordion fashion to form a plurality of side-by-side pleats with zig-zag edges on two opposite sides and flat panels on the other two sides, and a spacer member between opposing walls of successive pleats, a box-like metal frame (108) enclosing said filter core on four sides in air tight engagement to define an air flow opening extending between upstream and downstream sides of said assembly, wherein the zig-zag edges of the unitary sheet of air-permeable filter media are sealingly embedded in a solid inorganic sealant composition (118) in the frame, and wherein the unitary sheet of air-permeable filter media preferably consists of a binder-free glass or mineral fiber filter media. Use of the high efficiency air filter assembly in high temperature applications wherein the filter assembly is repeatedly or continuously heated to a temperature in the range of 200-500 °C.
A filter housing adapted to be mounted in an air ventilation system, which filter housing has: an upstream air entrance opening defined by an air entrance opening frame, a downstream air exit opening defined by an air exit opening frame and located opposite of the air entrance opening, a rear wall extending between and attached with the air entrance opening frame and the air exit opening frame, a front opening opposite to the rear wall, the front opening being defined by a front opening frame, and a cover sealing the front opening when the cover is closed; a movable filter holder arranged within the housing and arranged to receive a filter through the front opening; and two clamping mechanisms arranged at opposite first and second walls of the housing, which first and second walls extend between the entrance opening frame and the exit opening frame, each clamping mechanism being connected with the filter holder to clamp the filter in a clamped position. Each clamping device has a release device engaged with the filter holder, and is arranged for releasing the filter from the clamped position to a released position by moving the filter holder. The release device has a handle arranged at the front opening. Each handle is arranged to be in a locked state when the filter is in the clamped position, unlocked by being pulled out a distance, and then rotated to a release position in order to release the filter.
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/10 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières
The present invention relates to a molded plastic rectangular front plate for a V-type filter, said front plate having a front surface and a back surface, characterized in that the back surface of the front plate comprises a support structure protruding in a plane substantially perpendicular to the back surface of the front plate and extending along a major portion of the length of a side of the back surface of the front plate such that the thickness of the front plate in the direction from the front surface to the back surface is increased towards the middle and reduced towards the ends of the front plate side. The present invention further relates to a V-type filter frame and a V-type filter assembly comprising such a front plate.
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières disposés en batteries
The present invention relates to a V-type filter frame for receiving at least one filter media pack, said V-typefilter frame being arranged to be mounted to a filter holding structure, the V-type filter frame comprising first and second side plates and a molded plastic rectangular front plate coupled to the side plates, said side plates each comprising a front edge portion and an opposite rear edge portion and the front plate having a front surface and a back surface,the back surface of the front plate comprising a first coupling portion comprising a first groove configured to receive the front edge portion of the first side plate, a second coupling portion comprising a second groove configured to receive the front edge portion of the second side plate, a trough for receiving a front edge of a filter media pack, extending between the first and the second coupling portion of the front plate,characterized in that said trough is in fluid connection with each of said first groove and said second groove when the first and second side plates are coupled to the first and second coupling portions of the front plate respectively.
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières disposés en batteries
The present invention relates to an air filter housing for supplying air to a space, said air filter housing being configured to be arranged in a ceiling of said space, said housing having a mouth facing downward, said mouth comprising a sealing surface configured to receive a panel type air filter comprising a frame and a filter medium held within said frame, such that a sealing connection between said sealing surface and said frame is achieved, wherein said filter housing further comprises at least one clamping device for clamping the frame of the panel type air filter against the sealing surface, characterized in that said at least one clamping device comprises a cam mechanism configured to displace the frame when activating the cam mechanism, thereby providing clamping of said filter frame against the sealing surface. The present invention further relates to the use of a filter housing in a clean room, and to a method of mounting a panel type air filter in an air filter housing.
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
The present invention relates to an air filter housing for supplying air to a space, said air filter housing being configured to be arranged in a ceiling of said space, said housing having a mouth facing downward, said mouth comprising a sealing surface configured to receive a panel type air filter comprising a frame and a filter medium held within said frame, such that a sealing connection between said sealing surface and said frame is achieved, characterized in that said filter housing further comprises at least one resilient member arranged below the sealing surface such that when a panel type air filter is inserted into the mouth, the resilient member will be deformed by the filter frame as the filter passes the resilient member, and resume its original shape once the filter has passed, such that the filter is retained between the sealing surface and the resilient member. The present invention further relates to the use of a filter housing in a cleanroom, and to a method of mounting a panel type air filter in an air filter housing.
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
22.
AIR FILTERING DEVICE WITH MEANS FOR SALT LOAD DETERMINATION AND METHOD FOR MONITORING FILTRATION
An air filter device comprising an air flow intake and an air outlet and at least one air filter unit including a filter medium capable of removing particulate material and/or airborne molecular contamination (AMC) from an air flow passing through the filter unit, said filter medium having an upstream surface directed towards the air flow intake, and a downstream surface directed towards the air flow outlet, wherein a salt load determining means for determining the amount of salt entrapped by the filter medium is positioned on the filter medium, said filter device being arranged be to able to provide an output corresponding to a conductivity value by means of said salt load determining means. A method of monitoring the filtration condition of a filter unit in the air filter device, comprising the steps of: obtaining a salt load value from said air filter device; comparing the conductivity value from said air filter device with a predetermined conductivity limit value; if said salt load value from said air filter device is equal to, or exceeds, said salt load limit value, generating a message indicating that the preparations should be undertaken to replace the filter unit for a fresh one. A filter monitoring system, comprising the air filter device and a control unit comprising a memory unit and a processor, said the memory unit being arranged to be able to store computer readable code that when executed on the processor performs the method. A computer program product arranged to perform the method, when executed in the filter monitoring system.
There is provided a frame assembly 200 adapted for installation in a filter housing of an air handling system. The frame assembly is arranged having a frame 210 which is adapted to receive a filter unit of a predetermined size. The frame assembly further comprises a clamping mechanism 230 arrange for clamping the filter unit. An actuator 231 of the clamping mechanism is arranged at a front member 211 of the frame and is operable between an open and a closed position while activating the clamping mechanism to clamp the filter unit. An actuator element 232 facing a back member 212 of the frame is arranged such that a free distance between the actuator element and the back member during operation of the actuator corresponds to the predetermined filter unit size,thereby enabling operation of the actuator only if an inserted filter unit abuts the back member of the frame.
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/10 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières
The present invention relates to a filling device (1) for filling a filtering material to a filter unit. The filling device (1) comprises a reservoir (2) for filtering material and the filling device (1) is arranged to move along a surface of a filter unit between a first position in which the reservoir (2) of the filling device (1) may be filled with filtering material and a second position in which the filling device (1) can release the filtering material from said reservoir (2) to said filter unit. The invention further relates to filter arrangement comprising a filter unit and a filling device (1) according to claim 1 and a method for filling filtering material to a filter arrangement.
B01D 53/04 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p.ex. chromatographie préparatoire en phase gazeuse avec adsorbants fixes
The present invention relates to backing net (10) for a filter media (30). The backing net (10) comprises a plurality of longitudinal beams (11) and at least one cross beam (12). The height of at least one of the longitudinal beams (11) varies along the length of the longitudinal beam (11) such that said height is reduced towards the first end thereof. The invention also relates to a filter media and a V-type filter having such backing net (10).
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières disposés en batteries
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
The present invention relates to a V-type filter frame 102 for receiving a filter media pack 104. The V-type filter frame 102 being arranged to be mounted to a filter bank grid 200 and comprising first and second gable plates 112 and a front plate 110 coupled thereto. The gable plates 112 each comprises an abutment surface extending outwardly from an outer surface arranged to abut a filter bank grid 200 when mounted thereto. The invention further relates to a filter frame assembly and a method for assembling a filter bank 300.
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières disposés en batteries
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/52 - Séparateurs de particules utilisant des filtres comportant un matériau plié, p.ex. appareils de précipitation de poussières
27.
FILTER ASSEMBLY AND FILTER ASSEMBLY MANUFACTURING METHOD
The present invention relates to a filter assembly comprising at least one media pack arranged in a frame structure in which the at least one media packs is pleated and having opposing first and second open ends, and a corresponding method for manufacturing such a filter assembly for removing particles from an air stream. The method for manufacturing a filter assembly for removing particles from an air stream said comprises for each media pack sealing the first and second open ends in a first molding step, thereby providing a sealed first edge and a sealed second edge of each respective media pack, and subsequently arranging the at least one media pack in the frame structure and in a second molding step securing and sealing the sealed first edge and the sealed second edge, respectively, to at least one frame element of the frame structure.
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières disposés en batteries
B01D 46/52 - Séparateurs de particules utilisant des filtres comportant un matériau plié, p.ex. appareils de précipitation de poussières
The present invention relates to a filter frame (102) for receiving a media pack (104), the filter frame (102) comprising a front plate (110), and first and second gable plates (112) arranged at opposite ends (122, 124) of the front plate (110). The front plate (110) comprises a groove (126) at each of the ends (122, 124) and a front edge portion (128) of each gable plate (112) is received in a respective one of the grooves (126). Each gable plate (112) comprises a retainment member (144) arranged at the front edge portion (128), which retainment member (144) has been engaged with a complementary retainment member (146) of the front plate (110). The invention also relates to a filter assembly and a method for assembling a filter frame (102).
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières disposés en batteries
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/52 - Séparateurs de particules utilisant des filtres comportant un matériau plié, p.ex. appareils de précipitation de poussières
The present invention relates to a backing net (10) for a media pack (30). The backing net (10) comprises a plurality of longitudinal beams (11) and at least one vane (12) and the longitudinal beam (11) has first and second ends and is arranged to be mounted to the media pack (30) in the longitudinal direction. The vane (12) is attached to longitudinal beams and arranged to extend in the lateral direction of the media pack (30) and adapted to direct an air flow passing through the backing net (10) in a preferred direction. The invention further relates to a media pack with a backing net and a V-type filter having a plurality of media packs.
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières disposés en batteries
B01D 46/52 - Séparateurs de particules utilisant des filtres comportant un matériau plié, p.ex. appareils de précipitation de poussières
The present invention relates to a filter media (1) for removing particles from an air stream. The filter media (1) comprises a porous membrane layer (2) and a pre-filter layer (3) having a downstream surface (7) and an upstream surface (8), wherein said pre-filter layer (3) is arranged with said downstream (7) surface adjacent an upstream side of the porous membrane layer (2). The pre-filter layer (3) comprises a wet laid composite media having a mixture of glass fibers (5) and synthetic fibers (4). The invention also relates to the use of a filter media (1) in a gas turbine.
An air treatment device (2) including a housing (3) having an enclosed fan (4), wherein the housing is arranged for releasable receiving inlet filter means connected to a suction side (8) of the fan and outlet filter means connected to a pressure side (13) of the fan. The housing (3) includes first connecting means including on the one hand elements for cooperation with a pre-filter in the form of at least a first particle filter (5), on the other hand elements for cooperation with at least one tubular first carbon filter (6',6"), for the coupling thereof with its inside to the suctions side of the fan and in a flow direction downstream of the pre-filter. The housing (3) further includes second coupling means including on the one hand elements for the cooperation with at least one tubular second carbon filter (9',9") for coupling thereof with its inside to the pressure side of the fan, on the other hand elements for the cooperation with an after filter (10) in the form of at least one second particle filter such that it, seen in the flow direction, is downstream of the said second carbon filter. The invention also concerns a system and a method for air treatment.
B01D 46/24 - Séparateurs de particules utilisant des corps filtrants creux et rigides, p.ex. appareils de précipitation de poussières
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
A filter unit comprising a filter bag for removing particles from an air or gas flow, wherein the filter unit is arranged to receive at least one filter pocket and the filter bag comprises an opening portion and an end portion opposite said opening portion. The filter unit further comprises a frame arranged at a periphery of the opening portion, and a support structure arranged at the periphery of the end portion for stretching an area of the end portion. The frame and the support structure act to stretch the filter bag into a substantially parallelepiped shape such that the filter unit is arranged to provide a free passage for the at least one filter pocket into and out of said filter bag. Furthermore, the filter unit is arranged to fold between the frame and the support structure into a folded state.
A filter unit comprising a filter bag for removing particles from an air or gas flow, wherein the filter unit is arranged to receive at least one filter pocket and the filter bag comprises an opening portion and an end portion opposite said opening portion. The filter unit further comprises a frame arranged at a periphery of the opening portion, and a support structure arranged at the periphery of the end portion for stretching an area of the end portion. The frame and the support structure act to stretch the filter bag into a substantially parallelepiped shape such that the filter unit is arranged to provide a free passage for the at least one filter pocket into and out of said filter bag. Furthermore, the filter unit is arranged to fold between the frame and the support structure into a folded state.
A filter unit (1) for sewage vent pipes, said filter unit comprising, a filter housing(10) comprising a filter medium for purifying sewage gases, said filter housing(10) comprising a closed end portion (13) and an upper portion (12) comprising an opening (14) for letting purified air out of the filter housing, characterized in, that the filter housing(10) is configured to fit inside a sewage vent pipe, said filter unit (1) further comprising a support means (30) that is attached to the upper portion (12) of the filter housing(10), said support means (30) comprising a ring-shaped portion (34) that protrudes a predetermined distance over the filter housing(10), so that when the filter housing(10) is inserted into a sewage vent pipe, the lower surface of said ring-shaped portion (34) is supported on the end surface of the sewage vent pipe.
A filter unit for removing particles from an air or gas flow, comprising a filter body having a front side, a rear side, and an edge side between the front side and the rear side, and an edge strip arranged on the edge side, which edge strip extends at least the height of the edge side and at least the length of the edge side, wherein the edge strip comprises a foamed thermoplastic material, which is molded to the edge side of the filter body such that the edge strip thereby is formed and fastened directly to the edge side of the filter body, and such that the edge is embedded in the edge strip.
The invention relates to an air intake for a plant, the air intake comprising an air channel for an air stream passing through the air intake into the plant, and a particle filter assembly arranged in the air channel for removing particles from an air stream passing through the air channel, the particle filter assembly comprising a front filter unit and a back filter unit. The front filter unit is arranged before and in series with the back filter unit such that an air stream passing through the air channel passes through the front filter unit before passing through the back filter unit. The air channel is such constructed and the front filter unit is such arranged in the air channel that the front filter unit is removable and replaceable by a fresh front filter unit while the back filter unit remains in the air channel and while an air stream is passing through the air channel during operation of the plant. The front filter unit has at least equal efficiency and dust holding capacity as the back filter unit.
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières disposés en batteries
F02C 7/04 - Entrées d'air pour ensembles fonctionnels de turbines à gaz ou de propulsion par réaction
F02C 7/052 - Entrées d'air pour ensembles fonctionnels de turbines à gaz ou de propulsion par réaction comportant des dispositifs pour empêcher la pénétration d'objets ou de particules endommageantes comportant des dispositifs séparateurs de poussière
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
A pocket filter assembly for removing particles from an air or gas flow, comprising a filter unit comprising a plurality of filter pockets, a pre-filter unit comprising a plurality of filter pockets, wherein each of at least a majority of the filter pockets of the pre-filter unit are arranged within a respective one of the filter pockets of the filter unit, and wherein the pre-filter unit is releasably connected to the filter unit, and a support structure such that the filter pockets of the pre-filter unit extend within the filter pockets of the filter unit at least a major part of the length thereof, and the support structure comprises support elements such that sideway flexing of the filter pockets of the filter unit is hindered, and a free passage for the filter pockets of the pre-filter unit into and out of the filter pockets of the filter unit is formed.
B01D 46/06 - Séparateurs de particules comportant des filtres creux faits en un matériau souple, p.ex. appareils de précipitation de poussières comportant des moyens pour maintenir planes les surfaces actives
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
It is disclosed a filter unit having a filter element comprising filter media connected to a mounting frame that is receivable in a holding frame. The filter unit may be arranged such as to among other things enable effectuation of a releasable coupling between the mounting frame and the holding frame by means of a snapping action.
The present invention relates to a cylindrical air filter (1) comprising filter medium (5) enclosed between an inner air permeable cylindrical wall (3) and an outer cylindrical wall (4) and at least one air tight end plate (6), sealing the 5 space between cylindrical walls of the filter in an end distal from an inlet side (2) of the filter. According to the invention the filter (1) comprises at least two cylindrical filter bodies (11, 12) having inner and outer walls (7-10) between which filter medium (5) is enclosed, said filter bodies being displaceably connected to each other.
The present invention relates to an air cleaning and heating system for a building having several rooms (I-VI) to be heated, said system comprises an air heater (1), means (12) for passing air through said air heater, channels (2, 3-8) for leading heated air from the air heater to each said room in said building, a mixing chamber (11) for mixing of air from inside the building and air from outside the building, said chamber being in connection with a channel leading air through said air heater, a channel (14) leading from means (15) for intake of air from outside of the building and having an outlet (13) in said mixing chamber, and means (9, 10) for leading used air to the outside of the building. According to the invention the outlet (13) for air from outside the building in said mixing chamber (11) is directed in a direction parallel to the flow direction of the air from the inside of the building in said mixing chamber, and a HEPA filter (18) is disposed in an inlet of a channel (17) leading from inside of the building to said mixing chamber.
F24F 7/08 - Ventilation avec réseau de gaines à circulation d'air forcée, p.ex. par un ventilateur avec conduits séparés pour l'air fourni et l'air expulsé
F24F 11/00 - Aménagements de commande ou de sécurité
The present invention provides regenerable pleated media and filter elements and combinations thereof for use in a clean room environment for removal of airborne molecular contamination. Disclosed is a pleated filter media for a clean room environment wherein the pleated filter media comprises at least an adsorbent first layer of activated carbon or polymer wherein said activated carbon or polymer together with fibers and/or an adhesion agent is enclosed between two second layers of non woven with a grid positioned on at least one side of either of the second layers or incorporated in the first layer for preventing deformation of the pleated filter media when regenerated by a heated air flow above 1000C at 1 atm.
The present invention relates to an air filter pack frame constituted of four profiled elements (1) being held together by angle pieces (12) and surrounding an opening there between, in which a pack of pleated filter medium (FP) is intended to be mounted, said profiled elements (1) having a front side, which when a pack of filter medium is mounted in the frame is adjacent to an inlet side thereof, and a rear side, which when a pack of filter medium is mounted in the frame is adjacent to an outlet side thereof. According to the invention an inwardly open sealing channel (14) extends along each profiled elements (1) in the front end thereof.
The invention relates to a pleated filter medium (1) having pleats (2) with rectangular sides and a length direction (L) parallel to the fold between the two sides of a pleat (2), comprising several rows of distance elements extending in a cross direction (C) relative to the folds in the pleated filter medium, said rows being distanced from each other along a length direction (L), whereby each row of distance elements is constituted of a line of glue elements (3) distanced from each other and applied to a side of the filter medium. According to the invention rows of glue elements (3, 4) are applied to both the inside and the outside of the filter medium, the rows on the inside being displaced in the length direction in relation to the rows on the outside. The invention also relates to a filter including such a filter medium.
The invention relates to a ventilation system for a building (2) including an inlet (4) for outside air. According to the invention a filter housing (7) is located outside the building (2) and the outlet (13) from the filter housing (7) is connected to said inlet (4) for outside air.
The invention relates to a ventilation system for supplying conditioned air to rooms to be ventilated in a building (B) having several rooms, said system includes a central air-treatment unit (1) connected to an inlet (2) for outside air, ventilation ducts (3), which are connected to an outlet of the central air-treatment unit and which have outlets leading into each room to be ventilated in the building, and outlets from said rooms leading into air ducts (4) for passing air to the outside of the building. According to the invention at least one of the rooms (I-III) to be ventilated is connected to a chamber (V) in which air from said at least one room (I-III) is mixed with fresh air, passed through a filter (18) together with said fresh air, the mixture of air from said at least one room (I-III) and fresh air then being introduced into said at least one room. The invention also relates to a method of ventilating a building.
F24F 3/00 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes
F24F 11/00 - Aménagements de commande ou de sécurité
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
A V-bank air filter having a high air flow rate with low pressure drop is provided. In one embodiment, a V-bank filter includes a housing having a first pair and a second pair of pleated filter elements arranged in a vee configuration and comprising a unitary disposable filter. A centerline defined by the first pair of pleated filter elements defines an acute angle with a centerline defined by the second pair of pleated filter elements.
The present invention relates to a filter assembly (1) including a housing (4), an electro-filter (3) contained in the housing and means (23) for supplying a high-voltage to the electro-filter, said housing comprising a door (6) allowing access to the electro-filter, which door, on the inside thereof, has connectors (7,8) for connecting said high-voltage supply means to the electro-filter when said door is closed. According to the invention said high-voltage supply means (23) are arranged in a separate unit (9), which is disposed on the outside of said door (6) and connected to a control unit (24) for controlling the filter assembly, said unit being disposed on another part of the housing (4) than said door (6).
B03C 3/155 - Installations alimentées en électricité de l'extérieur du type par voie sèche caractérisées par l'utilisation additionnelle d'effets mécaniques, p.ex. de la pesanteur de la filtration
B03C 3/66 - Utilisation de techniques d'alimentation en électricité
The present invention relates to a ventilation air assembly, comprising a filter holding unit the filter holding unit comprises a housing having an inlet for ventilation air and an outlet for ventilation air, and a control member for controlling a ventilation air flow through the outlet. The filter holding unit is mounted at the wall surface. Furthermore, the ventilation air assembly comprises a filter, which is arranged in the housing of the filter holding unit such that the ventilation air passes through the filter when flowing through the housing from the inlet to the outlet. Furthermore, the ventilation air assembly comprises a wall portion having a wall surface, and a heater device, such as a radiator, which is mounted at the wall surface. The filter holding unit and the heater device are such positioned relative each other and the wall surface, and the control member is such adjustable, that the ventilation air flow exiting the outlet is directed towards a space between the wall surface and the heater device. The present invention does also relate to a filter holding unit for use in such a ventilation air assembly.
F24F 13/06 - Bouches pour diriger ou distribuer l'air dans des pièces ou enceintes, p.ex. diffuseur d'air de plafond
E06B 7/02 - Aménagements particuliers ou dispositions en rapport avec les portes ou fenêtres pour assurer la ventilation, p.ex. à travers des doubles fenêtres; Aménagement de rosaces de ventilation
F24D 19/06 - Enveloppes, couvercles de protection ou panneaux décoratifs pour radiateurs, p.ex. cache-radiateur
The invention relates to an air filter housing (1) comprising a filter body (9) and a tube (10) connecting the up-stream side of the filter body to the downstream side thereof, said tube passing through the wall (13, 14) of the filter housing at one or more locations. According to the invention said tube (10) is permanently and air-tightly secured to the wall (13, 14) of the filter housing (1) at each location where it passes therethrough.
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
The present invention relates to an air filter housing (1) for a clean room including means (4,5) for attachment of the filter housing to the ceiling of the clean room, said filter housing having a bottom wall (12) and a mouth and a flange (9) projecting out from the mouth of the filter housing perpendicular to the direction of an air flow through the filter housing, said means for attaching the filter housing to the ceiling including means (5) for adjusting the plane of the mouth of the filter housing in relation to the plane of the ceiling of the clean room. According to the invention the bottom wall (12) of the filter housing (1) has openings (13) for allowing access to said adjusting means (5) from the inside of the filter housing.
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
B01D 46/24 - Séparateurs de particules utilisant des corps filtrants creux et rigides, p.ex. appareils de précipitation de poussières
The present invention relates to a filter (1´) for cleaning the air in clean rooms in hospital environment, which filter is placed at the ceiling of a 5 clean room, has a frame supporting a plurality of filter elements, and contains a through-going opening (4´) for the passage of electric equipment, said opening being surrounded by filter elements (6,12,13), wherein the air-flow leaving a filter element is unidirectional. According to the invention filter element(s) (12) along a side of said opening (4´) in the 10 filter (1´) and filter element(s) (13) along the opposite side of said opening are inclined upwardly and all other filter elements (6) are extending horizontally. 15 20 25 Figure 2 for publication
F24F 13/078 - Bouches pour diriger ou distribuer l'air dans des pièces ou enceintes, p.ex. diffuseur d'air de plafond combinées avec des installations d'éclairage
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
F24F 13/06 - Bouches pour diriger ou distribuer l'air dans des pièces ou enceintes, p.ex. diffuseur d'air de plafond
52.
AIR FILTER HOUSING WITH GUIDES FOR AIR FILTER UNITS
The present invention relates to an air filter housing (1) having at least one filter chamber (2, 3) with an inlet end and an outlet end for air passing through a filter unit (F) disposed in said filter chamber, an access opening (4, 5) arranged in a sidewall of said filter chamber for the introduction of an air filter unit into and removal thereof out of said filter chamber, and a clamping device (8) for pressing an air filter unit disposed in the filter chamber against an end wall of said filter chamber in the inlet end thereof. According to the invention said housing has a guide (19, 20, 21-24) for guiding an air filter unit (F) during introduction into and removal out of said filter chamber (2).
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/42 - Equipement auxiliaire ou son utilisation
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
53.
AIR FILTER HOUSING WITH MEANS FOR MEASURING PARTICLE CONCENTRATION
The present invention relates to an air filter housing (1) having at least one filter chamber (2, 3) for receiving at least one filter unit (F), said filter chamber having an inlet end and an outlet end, and means (18, 19) for measuring particle concentration in the air leaving the filter chamber. According to the invention said measuring means (18, 19) include a row of several particle detectors (20) affixed to a common support (21), means (23-31) for moving said support in a direction perpendicular to said row of detectors, and means for connecting each of said detectors to a counter.
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
The present invention relates to an air filter housing (1) having at least one filter chamber (2, 3) for receiving at least one filter unit (F), an access opening (4, 5) in a side wall of said housing leading to said filter chamber, a door (6,7) for closing said access opening and a clamping device (10, 11) for holding said at least one filter unit in abutment against a first end wall of said filter chamber. According to the invention a portion (16) of said clamping device is, when a filter unit (F) is held by said clamping device (10, 11), sealingly in abutment with a circumferential portion (15) of the wall of said housing (1) in the second end of said filter chamber (2, 3) so that air or decontamination gas that has passed through the filter unit (F) can not enter the filter chamber outside of the filter unit.
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
55.
CLEANABLE DUST FILTER COMPRISING A ZIGZAG PLEATED FILTER PACK
The present invention relates to a cleanable filter (1) for particulate material, especially dust, comprising a zigzag pleated filter pack (2), spacers (6) disposed between the pleats in the filter pack and a frame (3) having an upper (4) and lower part covering the respective upper and lower side of said filter pack that contains the ends of the fold lines and two lateral parts covering the opposite sides of said filter pack that contains the ends of the filter medium (5) zigzag folded into a filter pack, said frame (3) thereby leaving the opposite sides of the filter pack that contains alternate fold lines of the pleated filter pack, free for the passage of air. According to the invention the filter medium (5) in the filter pack include a pleated sheet of polytetrafluorethylene (PFTE) and the spacers (6) between the pleats consist of corrugated aluminium foils. An earthing element (7) furthermore electrically connects the aluminium foils to each other and to an earth connection on the outside of the filter frame (3).
A pocket filter assembly comprises a frame structure having a number of filter pocket openings (3) and a corresponding number of filter pockets (2), each filter pocket having a pocket mouth sealingly secured in a corresponding filter pocket opening. The frame structure comprises an outer subframe (15,16,17) and a corresponding inner sub- frame (14) connected and locked to each other solely by means of locking elements at distributed locking positions along opening portions of the subframes defining the filter pocket openings. At each locking position, the filter pocket mouths are sealingly clamped between co-operating opening portions of the subframes. The locking elements comprise an undercut hook-shaped projection (61) on the inner subframe and a co-operating receiving hole on the outer subframe, such that an interlock of the subframes to each other is obtained, while involving filter pocket mouth material of the associated filter pocket between said projection and said aperture such that said interlock is sealed thereby.
B01D 46/06 - Séparateurs de particules comportant des filtres creux faits en un matériau souple, p.ex. appareils de précipitation de poussières comportant des moyens pour maintenir planes les surfaces actives
The present invention relates to an air filter unit (1) having the shape of a tube comprising a top plate (6), having an air inlet (7) leading into the interior of the tube, whereby the top plate (6) includes fasteners (13) for removably attaching said air filter unit to a wall (2) so that the air inlet of the top plate is concentrically disposed in relation to an opening in said wall, and a sealing ring (14,15) of a resilient material surrounding the air inlet in the top plate. According to the present invention, the top plate (6) includes at least one protrusion (16) on the side thereof facing said wall (2) in use, the height of said protrusion (16) being less than the distance with which the sealing ring (14,15), when not subjected to load, projects out from the surface of the top plate.
The present invention relates to a frame (4) for an air filter unit comprising a filter package (1) and possibly at least one grid (2,3), said frame being built up of elongate elements (5) having flanges (7,8) along the long sides thereof. According to the invention the frame (4) is made of elements (5) of plastic material, each element (5) has a central stiffening rib (9) on the side thereof facing said filter package (1) in an assembled air filter unit. The invention also relates to an air filter unit comprising such a frame. Figure 1 for publication
The present invention relates to a wall (1) of a frame for an air filter unit having a length direction and a cross direction perpendicular to the length direction and two long sides extending essentially in the length direction and two short sides extending essentially in the cross direction, said wall comprising a handle (2). According to the invention the wall (1) is made of plastic material and comprises at least one stiffening groove (8-11). Figure 1 for publication.
The present invention relates to an air filter unit (1) having an inlet side an and outlet side and comprising a filter package (2) and a grid (3) disposed on the outlet side of the filter unit, said filter package and said grid being mounted in a frame (4). According to the invention a central part (6) of the grid (3) is protruding out of the plane of the frame (4) on the outlet side of the filter unit.
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
F24F 13/075 - Bouches pour diriger ou distribuer l'air dans des pièces ou enceintes, p.ex. diffuseur d'air de plafond ayant des tiges ou des lamelles parallèles orientant l'écoulement, p.ex. ayant des tiges ou des lamelles réglables individuellement
brevets
