Unit Transversely Slidable Through Flow Path Patents (Class 55/481)
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Publication number: 20120067013Abstract: A V-shaped filter includes a pair of filter media panel elements having respective root ends and diverging therefrom to distal ends in a V-shape. A single unitarily molded fixture is provided, securing the pair of filter media panel elements in the V-shape.Type: ApplicationFiled: September 1, 2011Publication date: March 22, 2012Applicant: CUMMINS FILTRATION IP INC.Inventors: Budi Antony, Mark V. Holzmann, Scott W. Schwartz
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Patent number: 8137426Abstract: A filter frame is removably attachable to a box fan. The filter frame is adapted for receiving a standard HVAC-style filter for removing contaminants from air flow induced by the fan. In this manner, a cost-effective means for filtering a flow of air is provided for residential and commercial settings. The filter frame is adaptable to a variety of standard box fan types of different styles and dimensions. The frame is configured to accommodate standard filters, such as those readily available from retail hardware stores and home centers.Type: GrantFiled: February 8, 2011Date of Patent: March 20, 2012Assignee: Zipwall, LLCInventor: Jeffrey P. Whittemore
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Publication number: 20120060453Abstract: An air cleaner includes a housing and an air filter element. An endcap of the air filter element provides a removable cover for the housing. The endcap includes removal, insertion, orientation, and retention structure and methods for same. A clamping arrangement is provided with minimal space requirements.Type: ApplicationFiled: September 8, 2011Publication date: March 15, 2012Applicant: CUMMINS FILTRATION IP INC.Inventors: Mark V. Holzmann, Rejeev Dhiman, Kelly Ann Detra, Jim L. Alonzo, Guy J. Moret
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Patent number: 8133310Abstract: Embodiments of the invention generally provide an apparatus and method for certifying a filter in a containment system without decontaminating the containment system prior to certification. The apparatus generally comprises a valve assembly selectable between at least three operational states. A first state prevents flow from prevents flow through a port of a housing. A second state fluidly couples the port to test equipment necessary to test a filter disposed within the housing. A third state seals the port but fluidly couples the test equipment to a decontamination system.Type: GrantFiled: August 8, 2011Date of Patent: March 13, 2012Assignee: Camfil Farr, Inc.Inventors: Mark Huza, Thomas C. Morse
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Patent number: 8101002Abstract: A front access frame sealing mechanism for filter cassettes comprising at least one pair of posts extending inwardly from opposing sidewalls of a filter cassette housing wherein the posts have a head with a diameter exceeding that of the shaft of the post. At least one camming retainer is mounted adjacent each opposing sidewall about a post wherein each of camming retainer has a cam with a centrally oriented aperture with a diameter greater than the diameter of the post head for mounting about the posts. The cams have a flat portion and a extending handle portion, the flat portion becomes adjacent a sealing channel when in a sealing position. A sealing channel is adjacent each sidewall of the housing with a linear side adjacent front edges of at least one upstream filter cassette and having a channel holding each of the cams.Type: GrantFiled: June 9, 2011Date of Patent: January 24, 2012Assignee: AAF-McQuay Inc.Inventors: Keiron O'Connell, Jeffrey T. Deye, Robert C. McNeill
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Patent number: 8092567Abstract: An air filter element partially-fabricated on site wherein one or more wire frames are fastened to one another to form a structure substantially conforming to the dimensions of the original equipment manufacturer's filter housing. One or more of the wire frames are flexibly attached to each other end-to-end by flexible attachment means, allowing the assembled filter unit to be inserted into the filter housing one frame at a time, with the frame sections yet to be inserted folded or directed off to one side, thus bypassing space restrictions. Flexible attachment means may comprise spring connectors. Also disclosed is an end-cap affixed to or formed at one or both ends of the filter element. The end-caps may also contain printed material, such as text or pictures, which may include instructions for use, identifying labels or symbols, or the like.Type: GrantFiled: July 19, 2010Date of Patent: January 10, 2012Inventors: Matthew P. Ashwood, David M. Kent
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Publication number: 20110308209Abstract: An air filter and frame that cooperate to require alignment of the filter in a desired orientation in order for insertion to occur. At least one edge of the filter is offset from a right angle relative to other edges and the faces of the filter, and an obstruction is formed in the frame so that the filter can be inserted into the frame in only the desired orientation. Preferably two opposing edges of the frame are angled, and obstructions, such as small rails, are mounted in opposing sidewalls of the frame.Type: ApplicationFiled: June 20, 2011Publication date: December 22, 2011Applicant: COLUMBUS INDUSTRIES, INC.Inventor: Chrystal B. Gillilan
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Patent number: 8080079Abstract: An air filter housing (1) has 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 the filter chamber, an access opening (4, 5) arranged in a sidewall of the filter chamber for the introduction of an air filter unit into and removal thereof out of the filter chamber, and a clamping device (8) for pressing an air filter unit disposed in the filter chamber against an end wall of the filter chamber in the inlet end thereof. The housing has a guide (19, 20, 21-24) for guiding an air filter unit (F) during introduction into and removal out of the filter chamber (2).Type: GrantFiled: March 14, 2006Date of Patent: December 20, 2011Assignee: Camfil ABInventor: Axel Mahler
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Publication number: 20110296665Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.Type: ApplicationFiled: August 22, 2011Publication date: December 8, 2011Applicant: Donaldson Company, Inc.Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
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Patent number: 8062401Abstract: A front access frame sealing mechanism for filter cassettes comprising at least one pair of posts extending inwardly from opposing sidewalls of a filter cassette housing wherein the posts have a head with a diameter exceeding that of the shaft of the post. At least one camming retainer is mounted adjacent each opposing sidewall about a post wherein each of camming retainer has a cam with a centrally oriented aperture with a diameter greater than the diameter of the post head for mounting about the posts. The cams have a flat portion and a extending handle portion, the flat portion becomes adjacent a sealing channel when in a sealing position. A sealing channel is adjacent each sidewall of the housing with a linear side adjacent front edges of at least one upstream filter cassette and having a channel holding each of the cams.Type: GrantFiled: January 23, 2007Date of Patent: November 22, 2011Assignee: AAF-McQuay Inc.Inventors: Keiron O'Connell, Jeffrey T. Deye, Robert C. McNeill
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Patent number: 8057565Abstract: An air conditioning apparatus is disposed above an air conditioned space. The air conditioning apparatus includes a case, a bottom surface panel, a filter, and a filter support part. The bottom surface of the case is open. The bottom surface panel covers part of the open portion of the bottom surface of the case. The filter is accommodated within the case. The filter support part detachably supports the filter such that the filter is separated upward from the bottom surface panel by a predetermined gap.Type: GrantFiled: May 11, 2007Date of Patent: November 15, 2011Assignee: Daikin Industries, Ltd.Inventors: Tomohiro Yabu, Tetsuya Morizane, Toshiyuki Nishio
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Patent number: 8048188Abstract: Principles, techniques and configurations applicable in air cleaner arrangements and filter cartridges therefore, are described. In general the filter cartridge includes an axial pivot arrangement, for pivoting the filter cartridge in place, when mounted in an air cleaner for use. The air cleaner preferably includes a base pivot, for engagement with the pivot projection on the filter cartridge. Methods of assembly, installation and use are described.Type: GrantFiled: June 16, 2005Date of Patent: November 1, 2011Assignee: Donaldson Company, Inc.Inventors: Robert Widerski, Randall Allen Engelland, Thomas Richard Olson, Gary Ray Gillingham, Richard Lawrence Suydam
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Publication number: 20110232241Abstract: A front access frame sealing mechanism for filter cassettes comprising at least one pair of posts extending inwardly from opposing sidewalls of a filter cassette housing wherein the posts have a head with a diameter exceeding that of the shaft of the post. At least one camming retainer is mounted adjacent each opposing sidewall about a post wherein each of camming retainer has a cam with a centrally oriented aperture with a diameter greater than the diameter of the post head for mounting about the posts. The cams have a flat portion and a extending handle portion, the flat portion becomes adjacent a sealing channel when in a sealing position. A sealing channel is adjacent each sidewall of the housing with a linear side adjacent front edges of at least one upstream filter cassette and having a channel holding each of the cams.Type: ApplicationFiled: June 9, 2011Publication date: September 29, 2011Inventors: Keiron O'Connell, Jeffrey T. Deye, Robert C. McNeill
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Patent number: 8012233Abstract: An air cleaner assembly is provided, which is configured for alternate installation therein of different sized filter cartridges. Features of the air cleaner assembly and components for use therewith, are described. Also methods of assembly and use are described.Type: GrantFiled: June 1, 2010Date of Patent: September 6, 2011Assignee: Donaldson Company, Inc.Inventors: Bradley A. Kuempel, Richard J. Osendorf
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Patent number: 8002868Abstract: A dehumidifier is provided. The dehumidifier includes a cabinet defining an outer appearance of the dehumidifier and having an air inlet and an air outlet, and a filter assembly disposed in the cabinet and purifying air introduced through the air inlet, wherein the filter assembly comprises a filter frame and a filter case coupled to the filter frame by a hinge and being capable of pivoting frontward.Type: GrantFiled: November 1, 2006Date of Patent: August 23, 2011Assignee: LG Electronics Inc.Inventors: Moon Shin Kim, Sang Youn Yoon
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Patent number: 8002869Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.Type: GrantFiled: December 21, 2009Date of Patent: August 23, 2011Assignee: Donaldson Company, Inc.Inventors: Larry Nepsund, Bradley Kuempel, Donald P. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
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Patent number: 8002867Abstract: Embodiments of the invention generally include a filter housing having a bagging ring coated to enhance a bag-to-bagging ring seal. In one embodiment, the housing assembly includes a housing having an inlet, an outlet and an access port. A bagging ring is disposed around the access port and includes a material having a property that enhances the bag-to-bagging ring seal. Examples of materials that have a property that enhance the bag-to-bagging ring seal include materials that are attracted to a plastic bag, materials that are tacky, materials that have a static attraction to a plastic bag.Type: GrantFiled: September 30, 2005Date of Patent: August 23, 2011Assignee: Camfil Farr, Inc.Inventors: Lee Pendleton Morgan, Gene E. Pierce, Michael C. Walters
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Publication number: 20110192286Abstract: A composite structure for dust suction and air cleaning includes a dust suction machine (1) and an air cleaning mechanism (2). At the top part of said air cleaning mechanism (2) towards interior of said dust suction machine (1) there is provided with a room (21) having an upward opening. An inner edge shape of said room (21) corresponds to an exterior outline of a main body of said dust suction machine (1) for movably and correspondingly inserting the dust suction machine (1).Type: ApplicationFiled: December 23, 2009Publication date: August 11, 2011Inventor: Wen Ching Lee
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Patent number: 7993437Abstract: Embodiments of the invention generally include a contamination housing assembly and bag for use therein. In one embodiment, a contamination housing assembly includes a housing having an inlet, outlet, and access port. A bagging ring is coupled to the housing and circumscribes the port. A door is provided for covering the port. A bag indicator is coupled to at least one of the containment housing or door and is visible, when in a first position, from an exterior of the containment housing when the door substantially covers the bagging ring. In yet another embodiment, a bag for use with a containment housing is provided. The bag has an open end configured to engage with a bagging ring. The bag includes at least one of a strap or a RF readable tag.Type: GrantFiled: December 20, 2006Date of Patent: August 9, 2011Assignee: Camfil Farr, Inc.Inventor: Mark Huza
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Patent number: 7981183Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes pushing the filter element against a pivot region in the housing to release a seal between the filter element and the housing.Type: GrantFiled: February 1, 2010Date of Patent: July 19, 2011Assignee: Donaldson Company, Inc.Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard Bucholtz, Steve Campbell, Thomas John Lundgren
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Patent number: 7972405Abstract: An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securing the filter cartridge in that location. Preferred serviceable filter cartridges are provided, as well as methods of assembly and use.Type: GrantFiled: February 12, 2010Date of Patent: July 5, 2011Assignee: Donaldson Company, Inc.Inventors: Randall Allen Engelland, Thomas Richard Olson, Gary Ray Gillingham, Jim C. Rothman, Richard Lawrence Suydam
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Patent number: 7972404Abstract: Air cleaner assemblies and components therefore are described and shown. Also methods of assembly and use are described and shown. Example air cleaner assemblies shown. Projection/receiver arrangements are described, for securing a filter cartridge in place within the housing. Also housing seal arrangements for the filter arrangements being sealed to the housing, and specific housing features and cartridge features are shown.Type: GrantFiled: June 21, 2007Date of Patent: July 5, 2011Assignee: Donaldson Company, Inc.Inventors: Bradley A. Kuempel, Richard J. Osendorf, Dan Adamek, Wayne Bishop, Nels Nordstrom, John Pooler, Bill Whelan
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Publication number: 20110136567Abstract: The present invention relates to an air cleaner for removing air pollutants from an air stream, for instance such as the cleaning exhaust/intake gas of an amusement machine, said air cleaner comprising a filter device including at least one filter layer (4a, 4b) held by a filter holder (5) in said airflow substantially perpendicular to a main flow direction thereof and including a plurality of preferably stick-shaped filter elements (6) neighbouring each other. In accordance with the present invention, the filter device has no closed surrounding along the circumference of the filter layers, but provides for an open side along at least a portion of the periphery of the filter layer. At least one circumferential side section (7, 8) of the filter layer parallel to or tangential to the longitudinal axis of an outermost filter element is formed as an open side free of flow control elements surrounding the filter layer.Type: ApplicationFiled: November 9, 2010Publication date: June 9, 2011Applicants: Novomatic AG, DEXWET USA LLCInventors: Christoph Bichl, Heinz Winkler, Alois Homer, Erich Petein, Maximilian Vojta
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Patent number: 7905936Abstract: An air cleaner and preferred components for an air cleaner are provided. In one arrangement, the air cleaner includes a band or cassette component, configured for removably receiving a z-filter media pack therein, during use. In another arrangement, the band is permanently mounted of the media pack. Air cleaner arrangements configured for use of the cassette or band therewith included an arrangement with a central housing section for receipt of the main filter cartridge and cassette, and which has thereon a mounting arrangement with 3 mountable sides. Preferred precleaner arrangements and outlet tube arrangements can be secured to the center housing section.Type: GrantFiled: April 28, 2005Date of Patent: March 15, 2011Assignee: Donaldson Company, Inc.Inventors: Paul R. Coulonvaux, Johan G. Dewit, Cary Donald Olson, Thomas G. Miller, Marty A. Barris, Wayne R.W. Bishop, Donald F. Engel, Steven Campbell, Johan Fobe
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Patent number: 7905947Abstract: A filter assembly comprising a housing having an air inlet and an air outlet and a filter chamber disposed between the inlet and the outlet, the housing having an air flow path there through. A filter element having a first surface area maybe located within the filter chamber and oriented such that the first surface area is angled with respect to the air flow path. The filter element may comprise a filter media adapted to remove contaminants from the air. A drain may be associated with the housing and adapted to remove contaminants filtered out of the air.Type: GrantFiled: May 24, 2007Date of Patent: March 15, 2011Assignee: L.C. Eldridge Sales Co., Ltd.Inventors: Gary T. Leseman, Joseph B. Davis
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Patent number: 7905938Abstract: A filter frame is removably attachable to a box fan. The filter frame is adapted for receiving a standard HVAC-style filter for removing contaminants from air flow induced by the fan. In this manner, a cost-effective means for filtering a flow of air is provided for residential and commercial settings. The filter frame is adaptable to a variety of standard box fan types of different styles and dimensions. The frame is configured to accommodate standard filters, such as those readily available from retail hardware stores and home centers.Type: GrantFiled: January 21, 2010Date of Patent: March 15, 2011Assignee: Zipwall, LLCInventor: Jeffrey P. Whittemore
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Patent number: 7901479Abstract: A filter cassette rack and tracks wherein the rack is a three dimensional rectangular rack having at least two opposing open sides, sealing and non-sealing support tracks span the rack providing filter cassette guides and sealing means for a plurality of filter cassettes.Type: GrantFiled: September 14, 2009Date of Patent: March 8, 2011Assignee: AAF-McQuay Inc.Inventors: Mike Osborne, Keiron O'Connell, Husheder P. Daruwalla, Joachim Horst Wenzek, Ng Cheah Wei
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Publication number: 20110041692Abstract: To improve in pulse cleaning of filters, a filter element includes a media pack of Z-media having first and second opposite flow faces and a side wall extending between the first and second flow face. A gasket is secured to the side wall. The gasket has a sealing portion and an attachment portion. The sealing portion has a flat surface at least one inch long and is located between being planar with and 0.5 inches recessed from the first flow face, inclusive. A dust collector includes a housing with a dirty air inlet, a clean air outlet, and an interior; a tubesheet in the housing interior having a plurality of openings; a plurality of panel-style filter elements mounted in a respective one of the openings in the tubesheet; and a plurality of blowpipes, with each being oriented to direct a fluid pulse at a respective one of the panel-style filter elements. The filter elements include a media pack of Z-media, a gasket that is between planar with and 0.Type: ApplicationFiled: February 23, 2009Publication date: February 24, 2011Applicant: Donaldson Company, Inc.Inventor: Thomas D. Raether
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Patent number: 7854781Abstract: A mount for a bezel/air filter assembly for use in mounting the bezel/air filter assembly directly to the rack or cabinet in which electrical equipment is mounted or contained. The mount is affixed to the rack or cabinet rather than to the electrical equipment mounted or contained in the rack or cabinet, making use of the normally unused frontal area along the rail forming the front of the rack or cabinet, maximizing air flow to the equipment mounted in the rack or contained in the cabinet and allowing greater packaging density. Also, by using the rack or cabinet (rather than the equipment) as a support element, the mount is substantially stronger than if the mount was affixed to the chassis.Type: GrantFiled: April 30, 2007Date of Patent: December 21, 2010Assignee: International Business Machines CorporationInventors: Brian M. Kerrigan, William Mark Megarity
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Publication number: 20100271563Abstract: A slide-type filter for detachably attaching to a housing of an electrical device. The filter includes a filter element. A support frame portion supports the filter element. A finger insert portion extends from the support frame portion and includes an insertion opening into which a finger is insertable. A lid portion is connected to the finger insert portion so as to cover the insertion opening. The lid portion resiliently bends with respect to the finger insert portion to open the insertion opening.Type: ApplicationFiled: April 13, 2010Publication date: October 28, 2010Applicant: SANYO ELECTRIC CO., LTD.Inventors: Yoshiteru Oda, Yoshiho Suzuki
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Patent number: 7811346Abstract: An air filter housing slidably receives an air control insert therein without requiring the air filter housing to be removed from the wall, floor or ceiling surrounding an air duct. The air filter housing varies in size in at least one dimension to reduce the quantity of air filters and air filter housings required to accommodate a wide variety of air duct types and sizes. The housing is mounted to a register, diffuser or return air grill covering an air duct. The air control insert is slidably received in the air filter housing for ease of removing, cleaning or replacing. The housing is adaptable to receive a variety of inserts which are custom designed to remove specific pollutants from the air to improve the air quality in a home or office, or to block the flow of air entirely.Type: GrantFiled: March 29, 2006Date of Patent: October 12, 2010Inventor: Joseph C. Henson
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Patent number: 7803206Abstract: A filter assembly includes a sleeve coupled to an external surface of an electronic device and disposed at least partially over an airflow vent of the electronic device, the sleeve configured to receive insertion of a filter element therein.Type: GrantFiled: July 26, 2007Date of Patent: September 28, 2010Assignee: Hewlett-Packard Development Company, L.P.Inventors: Mark S. Tracy, Earl W. Moore
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Patent number: 7799108Abstract: A filter includes a housing with multiple flow passages and filter elements providing volume-efficient bottom-in, top-out flow or top-in, bottom-out flow. In another embodiment, parallel filtering flow paths are provided with multiple filter elements having respective overlapped sections axially aligned, with at least one filter element having a radial extension section non-axially aligned with another of the filter elements.Type: GrantFiled: February 29, 2008Date of Patent: September 21, 2010Assignee: Cummins Filtration IP, Inc.Inventors: Michael J. Connor, Michael J. Frame, Gary L. Rickle
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Patent number: 7794518Abstract: A filter system for an air cleaner is provided according to an embodiment of the invention. The filter system includes one or more filter elements and a filter tray adapted to be received in a filter tray receptacle of the air cleaner. The filter tray includes a bottom surface and one or more bottom airflow apertures formed in the bottom surface. The filter tray receives the one or more filter elements.Type: GrantFiled: February 28, 2006Date of Patent: September 14, 2010Assignee: Oreck Holdings, LLCInventors: Christopher M. Paterson, Charles W. Reynolds, Dennis T. Lamb
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Patent number: 7776122Abstract: The invention pertains to a filter system, particularly for cleaning the air of a switchgear cabinet to be ventilated, wherein a filter housing can be inserted into an insertion shaft in a first direction and is subjected to a motion perpendicular to the first inserting direction during the course of the inserting motion in order to reach the desired end position of the filter housing.Type: GrantFiled: March 21, 2007Date of Patent: August 17, 2010Assignee: ADVA AG Optical NetworkingInventor: Roland Feldmann
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Patent number: 7771502Abstract: An air-filter device for a motor vehicle, having a casing and a filtering body separating the clean and dirty compartment, and also having a supporting body for the filtering body and a compression body designed to co-operate mechanically with the supporting body, these bodies being mounted in the manner of sliding drawers in an intermediate mounting compartment; the contact surfaces in mutual sliding bearing of the support and compression bodies are inclined in such a way that the forced stress position leading to a compression of the seal of the filtering body is achieved by displacement of the compression body in the direction of extraction and in that the control device, bringing about this displacement, stresses the supporting body and/or the casing in order to achieve the displacement of the compression body in a forced stress position, at least at the end of displacement.Type: GrantFiled: November 7, 2007Date of Patent: August 10, 2010Assignee: Mark IV Systemes Moteurs (SAS)Inventors: Laurent Germain, François Cottet, Hugues Winkelmuller
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Patent number: 7771501Abstract: A blower having oil-mist blower is disclosed. The blower is provided with tubing fitting on the wind suction opening connecting in series to an oil-collection box module. The position of the venting tube of the blower is connected to cyclone-separator. The oil-collection box module includes a box body, oil-collection seat body, filter and a cover plate. The cyclone-separator includes manifold tubing, filtering aid and a top cover. When the blower is in operation, the oil-collection box module sucks in oil-mist exhaust gas to proceed with first filtering of oil spot after that via the venting tubing into the cyclone-separator to proceed with a second filtering of oil spot.Type: GrantFiled: October 22, 2007Date of Patent: August 10, 2010Inventor: Ming-Chih Wang
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Patent number: 7758667Abstract: An air filter element partially-fabricated on site wherein one or more wire frames are fastened to one another to form a structure substantially conforming to the dimensions of the original equipment manufacturer's filter housing. One or more of the wire frames are flexibly attached to each other end-to-end by flexible attachment means, allowing the assembled filter unit to be inserted into the filter housing one frame at a time, with the frame sections yet to be inserted folded or directed off to one side, thus bypassing space restrictions. Flexible attachment means may comprise spring connectors. Also disclosed is an end-cap affixed to or formed at one or both ends of the filter element. The end-caps may also contain printed material, such as text or pictures, which may include instructions for use, identifying labels or symbols, or the like.Type: GrantFiled: February 26, 2009Date of Patent: July 20, 2010Assignee: Bonded Filter CompanyInventors: Matthew P. Ashwood, David M. Kent
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Patent number: 7736410Abstract: An air cleaner assembly is provided, which is configured for alternate installation therein of different sized filter cartridges. Features of the air cleaner assembly and components for use therewith, are described. Also methods of assembly and use are described.Type: GrantFiled: January 19, 2007Date of Patent: June 15, 2010Assignee: Donaldson Company, Inc.Inventors: Bradley A. Kuempel, Richard J. Osendorf
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Publication number: 20100132321Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes pushing the filter element against a pivot region in the housing to release a seal between the filter element and the housing.Type: ApplicationFiled: February 1, 2010Publication date: June 3, 2010Applicant: Donaldson Company, Inc.Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard Bucholtz, Steve Campbell, Thomas John Lundgren
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Patent number: 7713321Abstract: Air cleaner assemblies and components therefor are described and shown. Also methods of assembly and use are described and shown. Projection/receiver arrangements are described, for securing a filter cartridge in place within the housing. Also housing seal arrangements for the filter arrangements being sealed to the housing, and specific housing features and cartridge features are shown.Type: GrantFiled: June 21, 2007Date of Patent: May 11, 2010Assignee: Donaldson Company, Inc.Inventors: Bradley A. Kuempel, Richard J. Osendorf
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Patent number: 7708797Abstract: An air cleaner assembly is provided, which is configured for alternate installation therein of different sized filter cartridges. Features of the air cleaner assembly and components for use therewith, are described. Also methods of assembly and use are described.Type: GrantFiled: January 19, 2007Date of Patent: May 4, 2010Assignee: Donaldson Company, Inc.Inventors: Bradley A. Kuempel, Richard J. Osendorf
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Publication number: 20100095642Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.Type: ApplicationFiled: December 21, 2009Publication date: April 22, 2010Applicant: Donaldson Company, Inc.Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donadl F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
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Patent number: 7682416Abstract: An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securing the filter cartridge in that location. Preferred serviceable filter cartridges are provided, as well as methods of assembly and use.Type: GrantFiled: February 16, 2005Date of Patent: March 23, 2010Assignee: Donaldson Company, Inc.Inventors: Randall Allen Engelland, Thomas Richard Olson, Gary Ray Gillingham, Jim C. Rothman, Richard Lawrence Suydam
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Patent number: 7670414Abstract: Disclosed is a filter unit for an air conditioner, which is provided at an indoor unit for the air conditioner so as to purify the air discharged to a room. The filter unit includes a filter for purifying air, a filter case accommodated in the filter and having a filter gate at a side thereof for placing/withdrawing the filter, and a cover for opening/closing the filter gate.Type: GrantFiled: March 15, 2005Date of Patent: March 2, 2010Assignee: LG Electronics Inc.Inventors: Sang Won Cha, Hyun Hur
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Patent number: 7670401Abstract: A filter frame is removably attachable to a box fan. The filter frame is adapted for receiving a standard HVAC-style filter for removing contaminants from air flow induced by the fan. In this manner, a cost-effective means for filtering a flow of air is provided for residential and commercial settings. The filter frame is adaptable to a variety of standard box fan types of different styles and dimensions. The frame is configured to accommodate standard filters, such as those readily available from retail hardware stores and home centers.Type: GrantFiled: February 1, 2006Date of Patent: March 2, 2010Assignee: Zipwall, LLCInventor: Jeffrey P. Whittemore
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Patent number: 7655074Abstract: An air cleaner (40) includes a housing (48) and an access cover. The internal volume of the housing (48) can be reached through an opening (70) in a side wall of the housing. A filter element (50) having fluted filter media is removable and replaceable from the air cleaner. The housing (48) is constructed and arranged to cam the element (50) into sealing engagement with the housing (48). The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes pushing the filter element against a pivot region in the housing to release a seal between the filter element and the housing.Type: GrantFiled: November 10, 2004Date of Patent: February 2, 2010Assignee: Donaldson Company, Inc.Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard Bucholtz, Steve Campbell, Thomas John Lundgren
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Publication number: 20100000188Abstract: A filter cassette rack and tracks wherein the rack is a three dimensional rectangular rack having at least two opposing open sides, sealing and non-sealing support tracks span the rack providing filter cassette guides and sealing means for a plurality of filter cassettes.Type: ApplicationFiled: September 14, 2009Publication date: January 7, 2010Inventors: Mike Osborne, Keiron O'Connell, Husheder P. Daruwalla, Joachim Horst Wenzek, Ng Cheah Wei
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Patent number: 7635401Abstract: This system provides an air-ventilating and cleaning element positioned within a housing. The housing contains multiple vents in the housing walls. The vents serve as channels that enable air to flow into and out of the air-ventilating device. The air-ventilating and cleaning element can vary and can range from a simple air ventilator to and an air purifier. The cleaning element can contain a filter element to further facilitate cleaning of the air. The cleaning element can be positioned in the housing on a track or pin to allow for movement of the cleaning element within the housing. Movement of the cleaning element may be desired in order to more efficiently clean air channeled through the device. Because of the ability to move the cleaning element, air flow through the device can be adjusted depending on a particular cleaning application.Type: GrantFiled: April 6, 2006Date of Patent: December 22, 2009Inventor: Dan L. Dietz
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Patent number: 7635403Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.Type: GrantFiled: June 9, 2008Date of Patent: December 22, 2009Assignee: Donaldson Company, Inc.Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren