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61. 发明申请

US20230001342A1 PLEATED FILTER ELEMENT FOR AIR FILTER 有权
公开(公告)号：US20230001342A1
公开(公告)日：2023-01-05
申请号：US17782155
申请日：2020-12-14
申请人： Camfil AB
发明人： Fredrik SEGER , Richard RINGSTRÖM , Kenny HEDLUND , Mageshvaran MUTHU KRISNAN
IPC分类号： B01D46/52 , B01D46/121
摘要： 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 noncormgated edge and a second noncormgated edge, wherein the pleated filter media comprises a main pleat section and a first edge pleat section at the first noncormgated 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 noncormgated edge and the second noncormgated 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.

62. 发明申请

US20220241712A1 AIR FILTER ASSEMBLY WITH IMPROVED LIQUID DRAINAGE 有权
公开(公告)号：US20220241712A1
公开(公告)日：2022-08-04
申请号：US17619236
申请日：2020-07-02
申请人： Camfil AB
发明人： Daniel IGGANDER , Kenny HEDLUND , Cheah Wei NG , Muthu Krisnan MAGESHVARAN
IPC分类号： B01D46/00 , B01D46/52 , B01D46/58
摘要： 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 edge portion of the rectangular aperture and adapted an 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.

63. 发明授权

US11376533B2 Wall mounting system 有权
公开(公告)号：US11376533B2
公开(公告)日：2022-07-05
申请号：US16828208
申请日：2020-03-24
申请人： Camfil AB
发明人： Martin Molnár
IPC分类号： B01D35/30
摘要： A clamping system (1) for mounting a filter housing (10) to a wall structure (20), said clamping system including a filter housing clamping flange (2) arranged on a front side of the filter housing (10), and being adapted to abut a front side (20a) of the wall structure (20); a first locking plate (4, 44) having a longitudinal direction (y), and including a locking plate clamping surface (5, 45) extending along a longitudinal side of the locking plate (4) and being adapted to abut a rear side (20b) of the wall structure (20); a first engagement component (3a, 43a) associated with a filter housing wall (11) on a distance from the filter housing clamping flange (2); and a puller (6), said locking plate being configured to cooperate with the puller (6) via an abutment surface (7) associated with the locking plate (4; 44) and being adapted to engage with a part of the puller (6), and said locking plate (4; 44) further being configured to cooperate with the first engagement component (3a, 43a) via a second engagement component (8a, 48a) arranged in the locking plate, wherein one of said first and second engagement components (3a, 43a; 8a, 48a) is a retainer bracket (12a, 42a), and the other of said first and second engagement components (3a, 43a; 8a, 48a) is a push edge (13a, 46a) comprised in a push opening (14a, 50), said push edge (13a, 46a) being an inclined edge adapted to engage with the retainer bracket, said puller (6) being configured to manipulate the abutment surface (7, 47) so as to move the locking plate (4, 44) in the longitudinal direction thereof, such that the inclined push edge (13a, 46a) of the push opening and the retainer bracket (12a, 42a) interact to push the locking plate (4) in a transverse direction thereof and toward the filter housing clamping flange (2), thus clamping the wall structure (20) between the filter housing clamping flange (2) and the locking plate clamping surface (5, 45).

64. 发明申请

US20210396427A1 AIR FILTER AND GASKET FOR THE SAME 有权
公开(公告)号：US20210396427A1
公开(公告)日：2021-12-23
申请号：US17352106
申请日：2021-06-18
申请人： Camfil AB
发明人： Joseph John GORMAN , Adam SIENKIEWICZ
IPC分类号： F24F13/28 , B01D46/00
摘要： 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.

65. 发明授权

US11148090B2 Pocket filter assembly 有权
公开(公告)号：US11148090B2
公开(公告)日：2021-10-19
申请号：US16310735
申请日：2017-06-26
申请人： Camfil AB
发明人： Fredrik Englund , Stefan Ericson
IPC分类号： B01D46/42 , B01D46/02 , B01D46/00
摘要： A pocket filter assembly 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 comprises a grip member 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.

66. 发明申请

US20200289971A1 Aerosol Distribution In Filter Testing Systems 审中-公开
公开(公告)号：US20200289971A1
公开(公告)日：2020-09-17
申请号：US16817849
申请日：2020-03-13
申请人： Camfil AB
发明人： Axel Mahler
IPC分类号： B01D46/44 , G01M3/20
摘要： An aerosol distributor and an arrangement for filter leakage detection in a gas filtration system comprising such aerosol distributor, the aerosol distributor being configured to be positioned in a gas stream upstream of the filter, said aerosol distributor comprising: a housing comprising a primary chamber in fluid connection with two or more secondary chambers; the housing having an inlet for admitting a test aerosol from an aerosol source into the primary chamber and passages for releasing the test aerosol from the primary chamber into each of the secondary chambers; said secondary chambers being elongated and provided with a plurality of outlet holes along the length thereof for releasing the test aerosol from the secondary chambers into a gas stream surrounding the aerosol distributor; characterized in that the dimensions of the inlet, the primary chamber, the passages, the secondary chambers and the outlet holes are selected such that during operation, the pressure of the test aerosol in the primary chamber will be higher than the pressure of the test aerosol in the secondary chambers.

67. 发明授权

US10677690B2 Test probe for a filter 有权
公开(公告)号：US10677690B2
公开(公告)日：2020-06-09
申请号：US15779489
申请日：2016-12-14
申请人： CAMFIL AB
发明人： Axel Mahler , Richard Addington , Kenny Hedlund
IPC分类号： G01N1/22 , G01M3/04 , B01D46/00
摘要： 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.

68. 发明授权

US10532307B2 Filter housing for an air ventilation system 有权
公开(公告)号：US10532307B2
公开(公告)日：2020-01-14
申请号：US15573802
申请日：2016-05-11
申请人： Camfil AB
发明人： Richard Addington
IPC分类号： B01D46/10 , B01D46/00 , B01D46/42 , F24F3/16
摘要： A filter housing is adapted to be mounted in an air ventilation system and includes: an upstream air entrance opening defined by an air entrance opening frame, a downstream air exit opening defined by an air exit opening frame, a rear wall, a front opening opposite to the rear wall, a cover sealing the front opening, 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. 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.

69. 外观设计

USD864369S1 Air filter 有权
公开(公告)号：USD864369S1
公开(公告)日：2019-10-22
申请号：US29627736
申请日：2017-11-29
申请人： Camfil AB
设计人： Guillaume Gallet , Kenny Hedlund , Vincent Arun Kenadzir
摘要： FIG. 1 is a first perspective view of an air filter embodying our new design;
FIG. 2 is a second perspective view the air filter of FIG. 1;
FIG. 3 is a top view the air filter of FIG. 1;
FIG. 4 is a bottom view the air filter of FIG. 1;
FIG. 5 is a first side view the air filter of FIG. 1;
FIG. 6 is a second side view the air filter of FIG. 1; and,
FIG. 7 is a third side view the air filter of FIG. 1.
Although not shown, a fourth side view of the air filter of FIG. 1 is identical to the third side view shown in FIG. 7 and corresponds to an opposite side of the Air Filter shown in FIG. 7.
In the drawings, the broken lines show portions of the air filter that form no part of the claim.

70. 发明授权

US10363508B2 Filter housing 有权
公开(公告)号：US10363508B2
公开(公告)日：2019-07-30
申请号：US15508470
申请日：2015-09-03
申请人： Camfil AB
发明人： Mathieu Hugues , Stefan Ljungström
IPC分类号： B01D46/00 , B01D46/18 , F24F13/08 , F24F13/20 , F24F13/28 , F24F3/16
摘要： 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.

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