Spiral Or Cylindrical Patents (Class 55/498)
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Patent number: 11951433Abstract: Air cleaner assemblies, related methods, components therefor, and features thereof are described. In depicted examples, the air cleaner assemblies and components optionally use advantageous housing seal features. In some examples, a filter cartridge for an air cleaner includes a media pack extending along a longitudinal axis between opposite inlet and outlet flow ends and defining an outer perimeter with opposite straight sides and a first curved end. The filter cartridge can include a seal arrangement circumscribing the media pack outer perimeter, wherein a portion of the seal arrangement extends beyond a first plane defined by the media pack outlet flow end and a portion of the seal arrangement is disposed between the first plane and a second plane defined by the media pack inlet flow end, wherein the seal arrangement is aligned along a third plane disposed at an oblique angle to the first and second planes.Type: GrantFiled: April 26, 2022Date of Patent: April 9, 2024Assignee: Donaldson Company, Inc.Inventors: Steven K Campbell, Robert D. Johnston, Daniel E. Adamek
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Patent number: 11938435Abstract: A round filter element has a filter medium body flowed through by a fluid to be purified in radial direction relative to a longitudinal axis of the filter medium body. The filter medium body radially encloses an inwardly positioned flow space. An end disk is arranged at an end face of the filter medium body. The end disk has a shaped body axially delimiting the inwardly positioned flow space. The end disk has a sealing disk arranged externally at the shaped body, wherein the sealing disk covers the shaped body and the end face of the filter medium body. The shaped body has a receiving depression that is flow-tight relative to the inwardly positioned flow space. The sealing disk has a receiving opening aligned with the receiving depression of the shaped body. The receiving depression and the receiving opening can receive a support element of a filter housing.Type: GrantFiled: October 27, 2020Date of Patent: March 26, 2024Assignee: MANN+HUMMEL GmbHInventors: Pascal Neef, Irmgard Thalmann
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Patent number: 11927158Abstract: An apparatus and methods are provided for an air cleaner to be mounted onto an air inlet of an internal combustion engine. The air cleaner comprises an air filter that includes a filter medium disposed between a curved base and a cover. The curved base provides an interface between the air filter and the air inlet, and comprises a shape that provides clearance between the curved base and an electric choke installed onto a carburetor comprising the air inlet. The cover secures the air filter and the curved base to the air inlet such that an airstream is drawn through the filter medium and is conducted into the air inlet. A raised portion of the cover is configured to cooperate with the curved base to ensure a desired volume of the airstream is available to the air inlet at substantially all engine speeds.Type: GrantFiled: February 27, 2023Date of Patent: March 12, 2024Assignee: K&N Engineering, Inc.Inventors: Steve E. Williams, Jere James Wall
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Patent number: 11925892Abstract: A filter element is provided. The filter element includes a filter media pack including an outer surface. The outer surface extending between a first flow face and a second flow face. The filter element also includes a polymeric coating applied to the outer surface of the filter media pack, wherein the polymeric coating is not a molded structure. In embodiments, the polymeric coating covers at least 25% of a span between the first flow face and the second flow face and has an average thickness of between 0.005 and 0.100 in. In other embodiments, the polymeric coating has a surface roughness of at least 50 ?in to provide an outer gripping surface. A method and system for applying the polymeric coating to the filter element are also provided.Type: GrantFiled: January 11, 2023Date of Patent: March 12, 2024Assignee: Baldwin Filters, Inc.Inventors: Timothy L. Krull, Matthew K. Epperson, Daniel P. Pokorney, Michael J. Von Seggern
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Patent number: 11896925Abstract: A coalescence separator for separating liquid droplets from a gas flow is provided with a multilayer structure of a coalescence filter medium as a finest stage of the coalescence separator. The multilayer structure of the coalescence filter medium is arranged between a gas inlet and a gas outlet and surrounds a cavity. A product of an air permeability of the coalescence filter medium and a grammage of the coalescence filter medium amounts to at least 16 g/m*s and maximally 100 g/m*s. The coalescence filter medium is a glass fiber paper. The coalescence separator is used, for example, as a main oil separator in screw compressors.Type: GrantFiled: September 1, 2020Date of Patent: February 13, 2024Assignee: MANN+HUMMEL GmbHInventors: Thomas Grein, Klemens Dworatzek, Markus Zuerker
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Patent number: 11890560Abstract: This disclosure reports embodiments of a fluid filter for ESD mitigation having a conductive polymer sleeve. Embodiments of this filter may include a conductive sleeve and tie bands to mitigate electrostatic discharge.Type: GrantFiled: April 24, 2020Date of Patent: February 6, 2024Assignee: ENTEGRIS, INC.Inventor: Yasuji Suzuki
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Patent number: 11801531Abstract: The invention relates to an integrated separator (1) for separating coarse and fine particles in a cement making process, said integrated separator (1) comprising a static separator (2) and dynamic separator (3), said dynamic separator (3) being arranged in an uppermost position relative to said static separator (2) and said static separator (2) comprising an outer housing (11); a de-agglomeration cone (5) and a first inverted frustum cone (6), said de-agglomeration cone [5] arranged adjacent to said first inverted frustum cone (6) by holding rods (18), said holding rods (18) are connected to said inverted first frustum of cone (6).Type: GrantFiled: June 4, 2020Date of Patent: October 31, 2023Inventors: Mathanraj Nattudurai, Arun Mangala Prakash Appadurai
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Patent number: 11779881Abstract: A dehumidifying element includes: a layered body in which a plurality of sheets supporting an adsorbent that dehumidifies air are stacked on one another, with gaps provided between adjacent ones of the plurality of sheets, the gaps allowing air to pass therethrough; a casing that holds the layered body; and a cushioning member provided between the casing and the layered body in a stacking direction in which the plurality of sheets are stacked on one another, the cushioning member being configured to expand and contract.Type: GrantFiled: June 11, 2020Date of Patent: October 10, 2023Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Shota Yamada, Akinori Shimizu, Yoko Matsuura
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Patent number: 11772028Abstract: An air filter includes a filter media, an end cap, a urethane outlet air seal, and a screen assembly. The end cap is secured to a first end of the filter media. The urethane outlet air seal is secured to a second, opposite end of the filter media. The screen assembly is secured to a central portion of the filter media between the first and second ends.Type: GrantFiled: December 30, 2020Date of Patent: October 3, 2023Assignee: THE SY-KLONE COMPANY, LLCInventors: Eric L. Ehrenberg, James G. Moredock
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Patent number: 11766633Abstract: An air filtration unit is provided with a replaceable media cartridge to reduce the time, material, and labour costs required to maintain the filtration system. A housing portion includes a mounting flange, a supporting frame, and a collar for receiving a replaceable media cartridge. The replaceable media cartridge slides into the frame. At least one cap ensures that air flows through the cartridge and may provide a handle for easy removal and replacement of the cartridge.Type: GrantFiled: October 1, 2018Date of Patent: September 26, 2023Assignee: Blade Filters Inc.Inventor: Joseph Fida
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Patent number: 11752464Abstract: A particle separator assembly includes an airbox providing an outer tapered portion tapering from a first section having a first cross sectional area to a first opening having a second cross sectional area less than the first cross sectional area. The example assembly includes a flow diverter providing an inner tapered portion that tapers to a second opening. The example assembly includes an air filter housed by the airbox, the air filter is spaced from the second opening in a first direction, and the first opening is spaced from the second opening in a second direction opposite the first direction.Type: GrantFiled: November 15, 2021Date of Patent: September 12, 2023Assignee: Sonus Engineered SolutionsInventors: Pal Marton Wolf-Molnar, Tim Droege, Gang Lu
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Patent number: 11738392Abstract: A fastening system including a first sintered powder metal fastening component and a second metal fastening component. The first sintered powder metal fastening component has a first porous surface and a one-part adhesive in the first porous surface. The second metal fastening component has a second surface. The second surface is configured to frictionally engage with the first porous surface.Type: GrantFiled: August 21, 2020Date of Patent: August 29, 2023Inventor: John Eric Chapman
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Patent number: 11724226Abstract: An apparatus and methods are provided for an air filter precleaner for an open air filter box. The air filter precleaner includes a filter medium between a base and a grating that are fastened over an opening into an interior of the air filter box. The filter medium comprises a sheet of filter material having a shape and a size suitable for being supported between the base and the grating. The base is a rigid member that supports the filter medium in a sheet configuration, such that the airstream passes through the filter medium before entering the air filter box. The grating is a rigid member comprising a screen portion surrounded by a frame that is configured to be fastened onto the air filter box. The screen portion comprises a shaped lattice that allows the airstream to pass through the filter medium before entering the air filter box.Type: GrantFiled: February 23, 2021Date of Patent: August 15, 2023Assignee: K&N Engineering, Inc.Inventors: Gilbert Heck, Steve Williams
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Patent number: 11712649Abstract: An internal combustion engine includes an engine block, an air-fuel mixing device, and an air filter assembly. The air filter assembly includes a housing, a filter element, and a gap between the filter element and the housing. The housing includes a base and a cover which define an interior volume. The housing includes an outlet passage fluidly coupling a filtered air outlet to a final air outlet. The filter element divides the interior volume into a filtered volume and an unfiltered volume. The gap is configured to direct air in a first airflow pass before being filtered by the filter element. The filter element is configured to direct filtered air in a second airflow pass in a substantially opposite direction from the first airflow pass. The outlet passage is configured to direct filtered air into a third airflow pass in a substantially same direction as the first airflow pass.Type: GrantFiled: February 25, 2022Date of Patent: August 1, 2023Assignee: Briggs & Stratton, LLCInventors: Steven G. Gleixner, Robert Johnson
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Patent number: 11701609Abstract: Filter cartridges including tubular filter media having ovate cross-sections and filter systems using the ovate tubular filter cartridges are described herein. The inner perimeters of the ovate cross-sections of one or more of the filter cartridges may be asymmetric, i.e., the inner perimeters of the cross-sections of the tubular filter media in the filter cartridges may have no lines about which they are symmetric. The inner perimeters of the ovate cross-sections of the tubular filter media in one or more of the filter cartridges may have only one line of symmetry.Type: GrantFiled: March 31, 2021Date of Patent: July 18, 2023Assignee: Donaldson Company, Inc.Inventor: Thomas D. Raether
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Patent number: 11697089Abstract: A particulate filtration device is suggested, comprising an inlet for an inflow of a gas stream which is particle-laden, an outlet for an outflow of the gas stream having a significantly reduced particulate load, a main filter section, which is arranged within a flow path of the gas stream between the inlet and the outlet and which comprises a filtration medium, and a prefilter chamber, which is arranged upstream of the main filter section and which comprises an inertial filter element, having several perforations, wherein the perforations of the inertial filter element are arranged within the flow path of the gas stream in such a way that when the flow path of the gas stream is passing through the perforations, an inertial separation of the particulates from the mean flow path of the gas stream is achieved.Type: GrantFiled: April 28, 2021Date of Patent: July 11, 2023Assignee: ETO MAGNETIC GmbHInventors: Matthew Peterson, David Savage
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Patent number: 11691109Abstract: The gas separation membrane element contains a gas separation membrane, and a sealing portion for preventing mixture of a source gas and a specific gas permeated through a gas separation membrane. The gas separation membrane has a first porous layer including a porous membrane, and a hydrophilic resin composition layer disposed on the first porous layer. The sealing portion is a region in which a cured material of a sealant penetrates in at least the first porous layer in the gas separation membrane, and a thermal expansion coefficient A of the sealing portion and a thermal expansion coefficient B of a material forming the first porous layer satisfy a relation (I): 0.35?A/B?1.0??(I).Type: GrantFiled: March 13, 2018Date of Patent: July 4, 2023Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Tsutomu Tasaki, Shinichi Furukawa
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Patent number: 11691101Abstract: A gas turbine air intake system uses a filter element having a seal member with radial projections and radial recesses. The seal member forms a seal with components on the tube sheet of the system and at the end opposite of the tube sheet. At the end opposite of the tube sheet, there can be an assembly cover, or alternatively, an additional filter cartridge.Type: GrantFiled: January 23, 2019Date of Patent: July 4, 2023Assignee: Donaldson Company, Inc.Inventors: Jason A. Tiffany, Brent L. Anderson, Richard P. DeJong, Andrew C. Dahlgren, Wim Van Gelder, Olivier Ronneau, Mathijs Verstraete, Gert Proost, Massimo Movia, Eli Payton Ross, Michael R. Carlson
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Patent number: 11642614Abstract: A reusable activated carbon filter is disclosed. It comprises: an outer mesh hollow cylinder, having a plurality of meshes formed thereon; an inner mesh hollow cylinder, having a plurality of meshes formed thereon, located inside the outer mesh hollow cylinder; two fixing rings, each having a plurality of long curved openings and a plurality of fixing holes, and fixing the outer mesh hollow cylinder and the inner mesh hollow cylinder at the same end; two flexible padding rings, each having a plurality of fixing protrusions, and detachably padding the long curved openings of one of the fixing rings with one fixing protrusion plugged in one corresponding fixing hole; a top connector, removably connected to one fixing ring, having a connecting opening for connecting to an inline fan; and a bottom cover, connected to the other fixing ring. Activated carbon granules are filled between the two mesh hollow cylinders.Type: GrantFiled: October 12, 2022Date of Patent: May 9, 2023Inventors: Daniel Yu Hsu, Wilbur Y. Cheng, Jimmy Liu
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Patent number: 11602731Abstract: A dehumidifying element includes a plurality of sheets that have moisture adsorption and desorption properties and that are stacked on top of each another. At least some of the sheets each have an irregular shape. The sheets each contain a hygroscopic agent having properties of a re-moistening-type glue that exhibits adherence when adsorbing moisture and that solidifies when being dried. The sheets are bonded to each other by the hygroscopic agent.Type: GrantFiled: January 6, 2020Date of Patent: March 14, 2023Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Akinori Shimizu, Shota Yamada, Seiro Yuge
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Patent number: 11525378Abstract: A filter arrangement may include a filter element and a gasket element. The gasket element may include a substantially circular flow-through opening and a locking collar. The locking collar may be arranged along a circumference of the flow-through opening with respect to a circumferential direction. The locking collar may form a hollow cylindrical installation space. The filter element may include a filter element body and a substantially hollow-cylindrical counter locking collar. The counter locking collar may include an open axial side and a covered axial side which may be spaced apart from each other with respect to an axial axis. The covered axial side of the counter locking collar may be covered by said filter element body. The counter locking collar may be at least partially inserted into the hollow cylindrical installation space of the locking collar.Type: GrantFiled: February 17, 2021Date of Patent: December 13, 2022Inventors: Bhushan Dahake, Sabine Dreizler, Christian Heneka, Bernd Kraemer, Predrag Panic, Lucas Weithoff
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Patent number: 11524254Abstract: An air filtering system includes a main system and a filtering module. The main system includes a main body having an air inlet, an air flow cover having an air outlet, and a primary filtering core replaceably disposed in the main body, wherein the air flow cover is detachably coupled at the main body to form a basic air filtering mode for filtering air from the air inlet to the air outlet through the primary filtering core. The filtering module is detachably coupled between the main body and the air flow cover to form an advanced air filtering mode, wherein the filtering module includes a secondary filtering core arranged for filtering the air after passing through the primary filtering core and before existing the air outlet.Type: GrantFiled: December 13, 2019Date of Patent: December 13, 2022Inventors: Lin Yang, Hai Yang
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Patent number: 11517842Abstract: An air cleaner assembly is described and shown which includes a housing having an air flow inlet, an air flow outlet and a housing body and access cover. A serviceable filter cartridge is positioned within the housing. A projection/receiver arrangement providing for engagement between the cartridge and the housing is provided. The projection/receiver arrangement can be configured in a manner that inhibits undesired motion of the cartridge, once installed. An example projection/receiver arrangement is provided, which includes a serpentine receiving groove on the access cover and a serpentine projection on the filter cartridge. Example filter cartridge features are described.Type: GrantFiled: July 1, 2020Date of Patent: December 6, 2022Assignee: Donaldson Company, Inc.Inventors: Michel Baseotto, Roberto Merckx, Paul Coulonvaux, Julien Dils
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Patent number: 11471805Abstract: An external brace for a filter element is described. The brace is configured to wrap around an exterior of a filter element having a filter media pack. The brace helps to support the filter media pack during filtering operations by preventing outward flexing of the filter media pack caused by fluid flowing through the filter media. In some arrangements, the brace interfaces with a filtration system housing to provide additional support to the filter element.Type: GrantFiled: March 14, 2018Date of Patent: October 18, 2022Assignee: CUMMINS FILTRATION IP, INC.Inventors: Aditya S. Murthy, Peter K. Herman, Scott W. Schwartz, Robert A. Bannister, Jason A. Scherck, Yashpal Subedi
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Patent number: 11446585Abstract: A gas trap assembly including a base connector housing including an inflow port and an outflow port, a reservoir fluidly connecting the inflow port to the outflow port, and a grooved porous media located within the reservoir. The grooved porous media including a plurality of grooves and composed of a material having a plurality of pores of a selected size. The grooved porous media fluidly divides the reservoir into two portions in such a way that a working fluid flowing from the inflow port to the outflow port must flow through the plurality of grooves and the plurality of pores of the grooved porous media. The plurality of grooves and the plurality of pores are configured to prevent gas from passing through the grooved porous media.Type: GrantFiled: June 8, 2020Date of Patent: September 20, 2022Assignee: HAMILTON SUNDSTRAND CORPORATIONInventor: Wei-Lin Cho
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Patent number: 11426692Abstract: Various example embodiments relate to a filtration system. The filtration system comprises a housing having a first housing end and a second housing end. The housing defines a central compartment therein. The housing comprises a first alignment portion disposed on the first housing end. The filtration system further comprises a filter element positioned within the central compartment of the housing. The filter element has a first filter end and a second filter end. The filter element comprises filter media and a second alignment portion disposed on the first filter end. The second alignment portion is complementary to the first alignment portion. The installation of the filter element within the housing causes the first alignment surface and the second alignment surface to align to provide for engagement of a radial seal between the filter element and the housing.Type: GrantFiled: July 18, 2018Date of Patent: August 30, 2022Assignee: Cummins Filtration IP, Inc.Inventors: Matthew Louison, Scott W. Schwartz, Mark V. Holzmann, Jessie A. Knight
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Patent number: 11383194Abstract: A reusable air filter and methods are provided for filtering air being conducted to an air intake of an internal combustion engine. The reusable air filter comprises a filter medium configured to pass an airstream and entrap particulates flowing within the airstream. The filter medium is comprised of cotton gauze disposed in a sinusoidal arrangement that provides a filtration surface area that is larger than a perimeter area of the filter medium. An end cap and base may be configured to retain the filter medium therebetween. The base provides an interface between the air filter and an air inlet of the engine. The filter medium may be disposed in a flat, panel shape that is bordered by a supportive tray. Support rods may be embedded within the tray to prevent bowing of the tray due to air pressure when coupled with an air box of the engine.Type: GrantFiled: September 25, 2019Date of Patent: July 12, 2022Assignee: K&N Engineering, Inc.Inventors: Jere James Wall, Steve Williams
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Patent number: 11376526Abstract: A filter element has an upstream and downstream side. A filter media assembly of the filter element has an upstream side and a downstream side and has a first filter media layer and a second filter media layer that is adjacent to the first media layer. A substantial portion of the first layer and second layer are uncoupled, and at least one of the first media layer and second media layer comprises binder fiber. The second media layer has a mean flow pore size equal to or smaller than the first media layer. A support layer system is adjacent to the downstream side of the filter media assembly, and a first wire mesh layer is adjacent to the support layer system. At least the first media layer, second media layer, support layer system, and first wire mesh cooperatively define pleats at a pleat packing density of greater than 125%.Type: GrantFiled: May 15, 2020Date of Patent: July 5, 2022Assignee: Donaldson Company, Inc.Inventors: James P. Barsness, Derek O. Jones
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Patent number: 11376541Abstract: Filter media having generally tetrahedral shaped flow channels is described. The filter media is generally formed by a flat filter sheet and a formed sheet. The formed sheet may be formed by a curves and/or pleats in the sheet. The curves and/or pleats form the tetrahedron channels. Embossments, such as dimples, are provided on the crests formed by the curves and/or pleats. The embossments help to maintain spacing between adjacent layers of the filter media, thereby increasing dust holding capacity and decreasing pressure drop over similarly configured filter media not having the embossments.Type: GrantFiled: December 12, 2017Date of Patent: July 5, 2022Assignee: CUMMINS FILTRATION IP, INC.Inventors: Ming Ouyang, Miao Li
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Patent number: 11298644Abstract: A coalescence filter including an inlet for supplying the gas to a filter element present in the coalescing filter, which filter element includes a coalescence medium for coalescing at least one disperse liquid phase during a displacement of a gas through the coalescence medium in a flow direction. The filter element downstream of the coalescence medium includes a drainage medium for draining the at least one coalesced disperse phase leaving the coalescence medium. The filter element contains a barrier layer positioned downstream of the coalescence medium, where the coalescence medium and the barrier layer are held at a distance from each other by one or more spacers to provide a drainage zone in the drainage layer of a drainage medium between a surface of the coalescence medium facing the barrier layer and the barrier layer for draining the coalesced disperse phase in a drainage direction.Type: GrantFiled: June 12, 2018Date of Patent: April 12, 2022Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAPInventors: Ken Goris, Jo Wouters, Evi Marcel J. Bultinck, Isabelle Denise M. De Wolf
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Patent number: 11260328Abstract: An internal combustion engine includes an engine block including a cylinder, a horizontally oriented crankshaft, an air-fuel mixing device configured to provide an air-fuel mixture to the cylinder, and an air filter assembly configured to provide filtered air to the air-fuel mixing device. The air filter assembly includes a housing comprising a first housing end portion and a second housing end portion and defining an interior volume, a filter element positioned within the interior volume dividing the interior volume into a filtered volume and an unfiltered volume, a gap between the filter element and the housing configured to allow air to flow between the filter element and the housing, an air intake, and a filtered air outlet.Type: GrantFiled: November 10, 2017Date of Patent: March 1, 2022Assignee: Briggs & Stratton, LLCInventors: Steven G. Gleixner, Robert Johnson
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Patent number: 11224833Abstract: A two-stage separator system having a housing extending between a first end and a second end. The housing defines a housing inlet, a separator outlet towards the second end, and a filtration outlet on the first end. A filter assembly has a first sheet of filter media coupled to a second sheet of filter media mutually defining a plurality of flutes extending in an axial direction. The filter assembly defines an inlet flow face and an outlet flow face. The filter assembly is disposed in the housing and coupled to the housing about the filtration outlet such that the outlet flow face is in fluid communication with the filtration outlet. The inlet flow face of the filter assembly has an axial flow face length.Type: GrantFiled: March 27, 2020Date of Patent: January 18, 2022Assignee: Donaldson Company, Inc.Inventors: Steven K. Campbell, Mark A. Sala
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Patent number: 11136947Abstract: A filter cartridge and filter assembly using the filter cartridge is provided. The filter cartridge having a contoured end member to angularly orient and/or axially orient the filter cartridge, and particularly a seal thereof, relative to a filter housing. The filter housing is reconfigurable to allow it to be used in different locations having different spatial configurations.Type: GrantFiled: June 21, 2018Date of Patent: October 5, 2021Assignee: Parker-Hannifin CorporationInventors: Michael J. Von Seggern, Trenton Yendra, Daniel Copley, John Nichols, Jason LaMarr Tate, Brian T. Ehrenberg
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Patent number: 11117084Abstract: A filter element has a filter medium body and sealing material strips extending at least partially circumferentially in a circumferential direction of the filter medium body at an inflow side of the filter medium body and at least at one additional side of the filter medium body. A first one of the sealing material strips carries at least one holding tab. The at least one holding tab projects past the first sealing material strip. The at least one holding tab is embodied at least partially of a material of the first sealing material strip. A filter device with such a filter element arranged in a filter housing is provided.Type: GrantFiled: April 4, 2019Date of Patent: September 14, 2021Assignee: MANN+HUMMEL GmbHInventors: Pascal Neef, Nadine Donauer
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Patent number: 11097215Abstract: An air cleaner assembly is disclosed, along with related methods. In one aspect, the air cleaner assembly has a housing including a housing body and a removable cover that together define an interior volume for holding a filter cartridge. The housing body can include a first plurality of lugs, wherein each of the first plurality of lugs has a first engagement surface disposed at a first angle that is oblique to a rotational plane of the cover. A second plurality of lugs can be provided on the cover, wherein each of the second plurality of lugs has a second engagement surface disposed at the first angle. A lock mechanism can also be provided that is disposed on the cover, wherein the lock mechanism includes a lock member axially movable between a locked position and an unlocked position to selectively secure the cover to the housing body.Type: GrantFiled: December 13, 2019Date of Patent: August 24, 2021Assignee: Donaldson Company, Inc.Inventors: Daniel E. Adamek, Richard J. Osendorf, Benny K. Nelson, Joseph A. Einberger
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Patent number: 11092367Abstract: An inlet debris filter disposed within a manifold assembly and operable to filter refrigerant that flows through the manifold assembly. In some embodiments, the manifold assembly may be disposed within an air conditioning servicing system. In some embodiments, the inlet debris filter may be removable and serviceable.Type: GrantFiled: September 27, 2018Date of Patent: August 17, 2021Assignees: Bosch Automotive Service Solutions Inc., Robert Bosch GmbHInventor: Mark McMasters
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Patent number: 11022019Abstract: A component of an exhaust system, in particular of an exhaust system of an internal combustion engine, has a double-walled pipe which encloses at least one air gap. The double-walled pipe includes at least two layers positioned radially over each other and attached to each other at a plurality of fixing points distributed over a periphery. At least one of the layers is a structured layer and has a wave structure with a plurality of wave crests and wave troughs distributed along the periphery. For manufacturing the component, at least one sheet metal strip is provided, which is structured in sections to give it a wave form. A brazing material is applied at the intended fixing points. The sheet metal strip is then wound up to form the double-walled pipe. The latter is calibrated, and the layers are connected at the fixing points by induction brazing.Type: GrantFiled: April 27, 2018Date of Patent: June 1, 2021Inventor: Alfred Blueml
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Patent number: 10994091Abstract: A cartridge comprising layers of adsorbent sheet is described. The cartridge includes an indicator that characterizes the consumption state of the adsorbent within the cartridge. The indicator is applied in a way such that discrete areas of indicator are visible. These discontinuous areas of indicator may be applied to the outside surface of the cartridge. Alternatively, the discontinuous areas may be formed by cutting windows in the outermost layer of the cartridge and either coating indicator on the layer beneath the window, placing an indicator layer between the window and the layer beneath it or filling the window with an indicating plug of material so that the indicator is visible from the outside of the cartridge. The indicator layer and indicator plug embodiments allow the use of any indicator with any adsorbent.Type: GrantFiled: October 20, 2017Date of Patent: May 4, 2021Assignee: Micropore, Inc.Inventors: Douglas B. McKenna, Vince Suddard, Glenn Shealy
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Patent number: 10967310Abstract: Liquid filter assemblies, features, components and methods are described. In general, a liquid filter cartridge is provided which includes features that help ensure that when the assembly is serviced, the cartridge positioned within the assembly is a proper one, in proper sealing orientation, for appropriate use. Features that can be used to provide for this include: a seal on the filter cartridge that defines a seal pattern non-orthogonal to a plane perpendicular to a central axis of the filter cartridge; and, a member of a projection/receiver arrangement on the filter cartridge which is orientated to engage a portion of a liquid filter assembly, for example a liquid flow collar, to allow sealing when the cartridge is a properly positioned cartridge and a properly configured cartridge. Assembly features are described. Also, a flexible radial projection arrangement providing snap-fit interaction between a cartridge and housing is provided. Methods of assembly and use as described.Type: GrantFiled: December 21, 2018Date of Patent: April 6, 2021Assignee: Donaldson Company, Inc.Inventors: Luca Piva, Fabrizio Buratto, Jason P. Johnson, Kurt Bryan Joscher, Daniel Robert Frembgen, Claudio Formica, Francesco Marangoni
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Patent number: 10773196Abstract: A gluing method of a filter cartridge includes: preparing a filter core and a filter frame; disposing them in a lower mold with the filter frame under the filter core; filling glue on top of the lower mold, extending the glue to a gluing segment of the filter frame and an outer surface of the filter core; pressing down an upper mold toward the lower mold to cut the glue into an inner glue segment and an outer glue segment. The inner glue segment is pressed in between the filter frame and the filter core, coated around the gluing segment to increase adhering area. Pressure from the upper mold enhances the adhering effect. The cutting removes surplus glue and the glue is formed into a desired shape, thus the method is quick, accurate and consistent.Type: GrantFiled: March 27, 2018Date of Patent: September 15, 2020Assignee: PRO-PURE INC.Inventors: Hsiang-Chi Lin, Zhen-Kun Zhan
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Patent number: 10744440Abstract: An apparatus and method are provided for a flangeless air filter configured to be mounted onto a flat surface within an air intake system of an internal combustion engine. The flangeless air filter is comprised of a cone-shaped filter medium, retained between a base and a cap, that is fabricated to remove contaminants and particulate matter from an intake airstream. The base includes a pliable seal that forms an airtight connection between the flangeless air filter and the flat surface of the air intake system. A mounting bracket and fasteners may be used to attach the base to the flat surface, compressing the seal there between. In some embodiments, the mounting bracket may be incorporated into, and made a part of the base. A cap is disposed on a top of the flangeless air filter and configured to direct the intake airstream around the cap and toward the filter medium.Type: GrantFiled: September 26, 2016Date of Patent: August 18, 2020Assignee: K&N Engineering, Inc.Inventors: Jere James Wall, Steve Williams
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Patent number: 10717034Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.Type: GrantFiled: July 23, 2018Date of Patent: July 21, 2020Assignee: Donaldson Company, Inc.Inventors: James R. Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
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Patent number: 10661213Abstract: An industrial air filtration system and associated filter element are provided. The system includes a filter cage which supports its associated filter element or elements. The filter element or elements seal directly against upper and lower plates of the filter cage. Further, the system includes a liquid collection region and a sump region in fluid communication with the liquid collection region. The aforementioned regions are arranged to drain away liquid which coalesces within the system during operation.Type: GrantFiled: May 24, 2017Date of Patent: May 26, 2020Assignee: United Air Specialists, Inc.Inventors: Greg M. Gottlieb, Jeff Allen Canfield
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Patent number: 10539101Abstract: The present invention belongs to the technical sector of fluid filtration systems which can be used for air filtration in an internal combustion engine. The invention refers to a filtering device (1) including a filtering element (24) which presents an open axial end (26) and an axial end (27) closed by a cover (28); and an intake cover (7). The said cover (28) includes at least a first tubular boss (55) projecting towards the intake cover (7); and the intake cover (7) includes at least a second tubular boss (57) complementary to the first tubular boss (55) and projecting towards the cover (28); the first tubular boss (55) is slotted in the second tubular boss (57). The invention also refers to a tubular filtering element (24) and to a maintenance process of a filtering device.Type: GrantFiled: May 22, 2017Date of Patent: January 21, 2020Assignee: MANN+HUMMEL GmbHInventors: Marcos Marcondes, Bruna de Carvalho Vessio, Celio Santos Pereira, Gilberto Albertini
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Patent number: 10518204Abstract: An air cleaner assembly is disclosed, along with related methods. In one aspect, the air cleaner assembly has a housing including a housing body and a removable cover that together define an interior volume for holding a filter cartridge. The housing body can include a first plurality of lugs, wherein each of the first plurality of lugs has a first engagement surface disposed at a first angle that is oblique to a rotational plane of the cover. A second plurality of lugs can be provided on the cover, wherein each of the second plurality of lugs has a second engagement surface disposed at the first angle. A lock mechanism can also be provided that is disposed on the cover, wherein the lock mechanism includes a lock member axially movable between a locked position and an unlocked position to selectively secure the cover to the housing body.Type: GrantFiled: July 23, 2018Date of Patent: December 31, 2019Assignee: Donaldson Company, Inc.Inventors: Daniel E. Adamek, Richard J. Osendorf, Benny K. Nelson, Joseph A. Einberger
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Patent number: 10436155Abstract: An air filter, including: an openable filter housing having an inlet for air to be cleaned, an outlet for cleaned air, a filter element exchangeably arranged with the filter housing. The filter element includes a filter medium radially surrounding and defining an interior space within the filter element and a support element secured to the filter element. The support element faces away from the filter medium and has a lateral support surface having a cylindrical section and/or a section with a cross section that changes in the direction of the element axis, whose main axis runs axially or parallel to the element axis and with which the support element is supported at least transversely to the element axis against a corresponding support section arranged on a side of the filter housing.Type: GrantFiled: December 20, 2015Date of Patent: October 8, 2019Assignee: MANN+HUMMEL GmbHInventors: Pedro Miguel Pereira Madeira, Pascal Neef, Nadine Sorger, Irmgard Thalmann
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Patent number: 10413849Abstract: A filter element comprises a hollow cylindrical filter medium body, on the inside of which there is arranged a support frame that is a carrier of at least one installation rib protruding radially inward with respect to the support frame.Type: GrantFiled: August 4, 2015Date of Patent: September 17, 2019Assignee: MANN+HUMMEL GmbHInventors: Andreas Wildermuth, Guenter Jokschas, Oliver Glueck, Marco Faisst
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Patent number: 10376822Abstract: A filter element is provided according to the present invention. The filter element includes: (a) a media pack arrangement having first and second opposite ends, said media pack arrangement comprising: (i) an inner liner defining a safety central open volume; (ii) a multilayer laminate media construction circumscribing the inner liner and having a first end and a second end, wherein the multilayer laminate media construction comprises: (A) a filtration media layer arranged in a waved configuration, wherein the filtration media layer has a first side and a second side; (B) a first fibrous support layer adjacent the first side of the filtration media layer arranged in the waved configuration; (b) a first end cap at the first end of the media pack arrangement; said first end cap having a central aperture in flow communication with said safety central open volume; and (c) a second end cap at the second end of the media pack arrangement; said second end cap being a closed end cap.Type: GrantFiled: July 18, 2014Date of Patent: August 13, 2019Assignee: Donaldson Company, Inc.Inventors: Rakesh Yadav, Suresh Bommineni, Benny K. Nelson, Daniel E. Adamek
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Patent number: 10376819Abstract: A filter core and manufacturing method thereof, the manufacturing method has the following steps: adhering a wavy filtering sheet and a flat filtering sheet, pressing the filtering sheets, and rolling the filtering sheets. A part of peaks of the wavy filtering sheet are pressed to lean toward a same side. In particular, two sides of a first end sealing adhesive layer are pressed. Thus, the first end sealing adhesive layer is concentrated, such that the glue is uniformly spread to the two sides. Besides, the pressing on the two sides makes the two sides of the first end sealing adhesive layer adhered securely, thereby preventing the wavy filtering sheet from rebounding upward and forming bubbles. Thus, the first end sealing adhesive layer can be formed with less quantity of glue, which accelerating the cooling and raises manufacture efficiency.Type: GrantFiled: August 24, 2016Date of Patent: August 13, 2019Assignee: PRO-PURE INC.Inventor: Hsiang-Chi Lin
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Patent number: 10315147Abstract: According to the present disclosure, features, components and techniques useable for providing air cleaner arrangements are provided. Many of the features relate to an axial seal arrangement provided on a filter cartridge. A typical filter cartridge, for use with these features, is a filter cartridge having opposite flow ends. Example media arrangements that fit this characterization are described. Seal arrangements provided with an axial housing sealing engagement surface are shown. A seal arrangement is provided. Also, air cleaner assemblies having advantageous features therein are provided. Further, air cleaner housings are described, with selected, preferred features for engagement with filter cartridges.Type: GrantFiled: September 15, 2015Date of Patent: June 11, 2019Assignee: Donaldson Company, Inc.Inventors: Steven A. Carter, Stephen M. Martin, Gert Proost