Patents Assigned to Donaldson Company, Inc.
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Patent number: 11400394Abstract: A filter arrangement for threadably securing to a filter head includes a housing having a surrounding wall defining an interior volume, an open mouth providing access to the interior volume and an end opposite of the open mouth. The surrounding wall has an exterior and an interior. A filter media construction is operably held within the interior volume. A sleeve, distinct from the housing, is secured to the exterior of the surrounding wall adjacent to the housing mouth and extending partially along the surrounding wall. The sleeve has an exterior and an interior. The exterior of the sleeve defines mounting threads constructed and arranged to removably mount with the filter head, when the filter arrangement is secured to the filter head. The interior of the sleeve is against the exterior of the surrounding wall. A first seal member is oriented against the sleeve to create a seal with a filter head, when the filter arrangement is secured to the filter head.Type: GrantFiled: July 1, 2021Date of Patent: August 2, 2022Assignee: Donaldson Company Inc.Inventors: Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop, John R. Hacker, Mark S. Emery
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Publication number: 20220235687Abstract: An exhaust treatment device includes a dosing and mixing assembly having a wire mesh puck. A retaining arrangement holds the mesh puck and maintains the mesh puck in an axially compressed state. The compressive force may be sufficient to inhibit rotation of the wire mesh. A peripheral side of the wire mesh is allowed to float while edges of the axial ends are trapped between at least two stop members of the retaining arrangement.Type: ApplicationFiled: May 8, 2020Publication date: July 28, 2022Applicant: Donaldson Company, Inc.Inventors: Derek M. LARSEN, Todd R. TAUBERT, Nathaniel I. IVERSON, William J. BAIRD, Mark T. BRANDL, David D. ROWLEY
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Patent number: 11395985Abstract: The technology disclosed herein relates to a vent assembly having a vent housing that defines a first airflow pathway, a second airflow pathway, and a third airflow pathway. The first airflow pathway is configured for fluid communication with an interior of an enclosure. The second airflow pathway is configured for fluid communication with the external environment, and the third airflow pathway extends between the first airflow pathway and the second airflow pathway. A membrane is coupled to the vent housing such that the second airflow pathway and the third airflow pathway are in communication through the membrane. Coalescing filter media is disposed within the vent housing such that the third airflow pathway and the first airflow pathway are in communication through the coalescing filter media. The vent assembly defines a spacing region between the coalescing media and the membrane.Type: GrantFiled: July 6, 2020Date of Patent: July 26, 2022Assignee: Donaldson Company, Inc.Inventors: Jonathan Lauden, Michael J. Hebert, Daniel Dotzler, Daniel Little
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Patent number: 11383191Abstract: A precleaner for engine air filtration includes a housing, separator tubes for inducing cyclonic airflow, and channel arrangements in airflow communication with the separator tubes to channel airflow and particulates toward a dust outlet arrangement.Type: GrantFiled: February 28, 2018Date of Patent: July 12, 2022Assignee: Donaldson Company, Inc.Inventors: William Vanaudenhove, Paul Gossez, Mathieu Jonckheere, Massimo Movia, Steve Campbell, Tim Wessels
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Patent number: 11378007Abstract: A system and method of an airflow control system for a vehicle is described herein. The airflow control system (100) includes an airflow housing (120) defining an airflow passageway (125) extending between a bypass opening (122) and an intake outlet (124). The airflow housing also defines a duct opening (126) positioned between the bypass opening (122) and the intake outlet (124). The intake outlet (124) may be in fluid communication with an engine intake (12) of the vehicle such that air passes from the bypass opening (122) and/or the duct opening (126) to the engine intake (12). The airflow control system (100) also includes a movable duct (160) movably connected to the airflow housing (120) to selectively allow or prevent air passage through the duct opening (126) and into the engine intake (12), and further includes a bypass door (140) movably connected to the airflow housing (120) to selectively allow or prevent air passage through the bypass opening (122) and into the engine intake (12).Type: GrantFiled: March 18, 2021Date of Patent: July 5, 2022Assignee: Donaldson Company, Inc.Inventor: Michael P. O'Brien
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Patent number: 11378045Abstract: An air cleaner assembly can contain an air filter element to filter contaminant material out of an air stream. In some examples, the air cleaner assembly includes a housing with an integrated noise suppression chamber for supplying air to a downstream compressor. The housing forms a cavity into which an air filter element is inserted. Contaminated air enters the housing and passes through the air filter. Filtered air can discharge from the housing through a first opening supplying air to a combustion engine and a second opening supplying air to a compressor. Air supplied to the compressor passes from the interior of the housing containing the filter element and through the integrated noise suppression chamber before being discharged. The acoustic energy released by the filtered air stream exiting the air cleaner assembly may be reduced by passing through the noise suppression chamber.Type: GrantFiled: February 6, 2019Date of Patent: July 5, 2022Assignee: Donaldson Company, Inc.Inventors: Stephen A. Stone, Richard P. Manahan
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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: 11369903Abstract: A filter cartridge includes a threaded sleeve having a seal holder recess and seal member. The filter cartridge is for removably threading onto a filter head that includes threads for connection to the filter cartridge by way of the threaded sleeve. The filter head includes a ramp that engages the seal member to form a seal. The force needed to make the seal is a torque of less than 10 N-m.Type: GrantFiled: August 17, 2020Date of Patent: June 28, 2022Assignee: Donaldson Company, Inc.Inventors: Michael J. Gustafson, Kurt Joscher, David B. Harder, Brian Tucker
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Patent number: 11369912Abstract: A filter cartridge includes a media pack having first and second opposite flow faces; the media pack comprising flutes extending in a direction between the inlet flow face and the outlet flow face; a frame mounted on the second flow face of the media pack; a seal support section extending from the base member; and first and second opposite and spaced blades extending from the base member and in a different direction from the base member as the seal support section. The first and second blades are embedded within the media pack through the second flow face. A seal member is oriented against the seal support section. The filter cartridge can be removably oriented in a cassette. The cassette and filter cartridge are removably oriented in an air cleaner housing. The cassette may include lugs to help position the cartridge in sealing engagement with the air cleaner housing. In another embodiment, the filter cartridge is cassette-free and includes a cartridge-handle projecting therefrom.Type: GrantFiled: April 23, 2020Date of Patent: June 28, 2022Assignee: Donaldson Company, Inc.Inventors: Johan G. Dewit, Johnny Craessaerts, Andreas Hoeniges
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Patent number: 11364462Abstract: The technology disclosed herein generally relates to fluted filter assemblies, where flutes formed in the filter media extend from a first flow face of the filter assembly to a second flow face of the filter assembly, where one flow face is an inlet and one flow face is the outlet. Some embodiments relate to first flute distance between the first flow face and the second flow face differing from a second flute distance between the first flow face and the second flow face by greater than 2 mm. In some embodiments at least one of the first flow face and the second flow face is non-planar, while in other embodiments at both of the first flow face and the second flow face are planar and non-parallel. Other embodiments are described.Type: GrantFiled: September 25, 2018Date of Patent: June 21, 2022Assignee: Donaldson Company, Inc.Inventor: Mark A. Sala
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Patent number: 11359544Abstract: A system and method of an airflow control system for a vehicle is described herein. The airflow control system (100) includes an airflow housing (120) defining an airflow passageway (125) extending between a bypass opening (122) and an intake outlet (124). The airflow housing also defines a duct opening (126) positioned between the bypass opening (122) and the intake outlet (124). The intake outlet (124) may be in fluid communication with an engine intake (12) of the vehicle such that air passes from the bypass opening (122) and/or the duct opening (126) to the engine intake (12). The airflow control system (100) also includes a movable duct (160) movably connected to the airflow housing (120) to selectively allow or prevent air passage through the duct opening (126) and into the engine intake (12), and further includes a bypass door (140) movably connected to the airflow housing (120) to selectively allow or prevent air passage through the bypass opening (122) and into the engine intake (12).Type: GrantFiled: November 9, 2018Date of Patent: June 14, 2022Assignee: Donaldson Company, Inc.Inventor: Michael P. O'Brien
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Publication number: 20220176295Abstract: An air cleaner is includes a housing defining an interior cavity, the housing having an inlet, a first outlet, and a second outlet. The air cleaner also includes a filter cartridge with a media arrangement extending between first and second end caps. In one aspect, the first end cap defines a first opening to the interior volume of the media arrangement and the second end cap defines a second opening to the interior volume of the media arrangement. In one aspect, the first opening has a dimension that is less than half a corresponding dimension of the second opening. The air cleaner can also include a valve arrangement in fluid communication with the first opening that allows airflow through the first opening in a first direction from the interior volume to the exterior side and prevents airflow through the first opening in a second direction from the exterior side into the interior volume.Type: ApplicationFiled: April 15, 2020Publication date: June 9, 2022Applicant: Donaldson Company, Inc.Inventors: Daniel E. ADAMEK, Anthonius Jan-Baptist Maria MOERS
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Patent number: 11344835Abstract: The technology disclosed herein relates to a filter assembly. The filter assembly has a double-sided adhesive layer having a first side and a second side and defining a filter opening. A first membrane extends over the filter opening and is directly coupled to the first side of the double-sided adhesive layer about the filter opening. An adsorbent element is directly coupled to the first membrane, where the adsorbent element and the first membrane are coextensive. A second membrane encapsulates the first membrane and the adsorbent element. The second membrane is directly coupled to the first side of the double-sided adhesive layer around the first membrane and adsorbent element.Type: GrantFiled: August 19, 2019Date of Patent: May 31, 2022Assignee: Donaldson Company, Inc.Inventors: Roger Peet, Daniel Dotzler
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Patent number: 11344829Abstract: A filter arrangement for threadably securing to a filter head includes a housing having a surrounding wall defining an interior volume, an open mouth providing access to the interior volume and an end opposite of the open mouth. The surrounding wall has an exterior and an interior. A filter media construction is operably held within the interior volume. A sleeve, distinct from the housing, is secured to the exterior of the surrounding wall adjacent to the housing mouth and extending partially along the surrounding wall. The sleeve has an exterior and an interior. The exterior of the sleeve defines mounting threads constructed and arranged to removably mount with the filter head, when the filter arrangement is secured to the filter head. The interior of the sleeve is against the exterior of the surrounding wall. A first seal member is oriented against the sleeve to create a seal with a filter head, when the filter arrangement is secured to the filter head.Type: GrantFiled: August 3, 2020Date of Patent: May 31, 2022Assignee: Donaldson Company, Inc.Inventors: Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop, John R. Hacker, Mark S. Emery
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Publication number: 20220161177Abstract: An air cleaner assembly includes a precleaner assembly. In one aspect, the precleaner assembly incudes a bypass arrangement that is operated to bypass a portion of air around the precleaner assembly. The bypass arrangement can be operated by a controller based on at least one input signal corresponding to one or more of a vehicle speed, a vehicle engine speed, a vehicle engine load, an operator input, a vehicle location, an air pressure drop across a filter element, an air pressure drop across the precleaner assembly, an acoustic level, a vibration level, a change or cleaning frequency of the filter element, a total number of filter element changes, an identity of the filter element, an identity of the engine, an identity of the vehicle, an air flow rate through the precleaner assembly or through the filter element, and a weather condition parameter identified through data received locally or from a weather service.Type: ApplicationFiled: March 20, 2020Publication date: May 26, 2022Applicant: Donaldson Company, Inc.Inventors: Dan LITTLE, Scott M. BROWN
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Patent number: 11331609Abstract: Air cleaner assemblies, components therefor, and features thereof are described. Also described are methods of assembly and use. In depicted examples, the air cleaner assemblies and components optionally use advantageous housing seal features. Methods of assembly and use are described.Type: GrantFiled: January 16, 2020Date of Patent: May 17, 2022Assignee: Donaldson Company, Inc.Inventors: Richard Osendorf, Joseph Einberger
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Patent number: 11331612Abstract: The present disclosure relates to filter assemblies. The features described and characterized are typically applied in gas (for example, air) cleaner assemblies. A typical use is in air cleaner assemblies for vehicles or other equipment. The techniques described relate, at least in part, to provision of assemblies with preferred configurations for convenient servicing and operation, while ensuring a proper cartridge is appropriately positioned, oriented and secured for use. Many of the techniques relate to arrangements in which features at opposite ends of a housing and/or cartridge are eccentrically positioned as described.Type: GrantFiled: May 7, 2020Date of Patent: May 17, 2022Assignee: Donaldson Company, Inc.Inventors: Massimo Movia, Julien Dils, Paul Gossez
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Patent number: 11324238Abstract: A method for preparing a filtered beverage includes filtering a raw beverage using a cross-flow ultrafiltration device to produce a solids fraction and a liquid fraction; heating the solids fraction to a temperature of 60° C. or greater to produce a pasteurized solids fraction; microfiltering the liquid fraction through a microfilter having a size cut-off of 1 ?m or smaller to produce a microfiltered liquid fraction; and combining the pasteurized solids fraction and the microfiltered liquid fraction to result in the filtered beverage.Type: GrantFiled: November 19, 2020Date of Patent: May 10, 2022Assignee: Donaldson Company, Inc.Inventors: Matthew R. Otterstatter, Prashant V. Shrikhande
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Publication number: 20220134270Abstract: A filter element for filtering a fluid passing through the filter element, the filter element having a fluid entry face and a fluid exit face and is provided with a group of first channels and a group of second channels, through which the fluid to be filtered can flow from the respective first channel into the second channel, that is arranged next to it, wherein a through-channel leads through a filter pack from the fluid entry face to the fluid exit face, which through-channel has an opening at the fluid entry face and/or has an opening at the fluid exit face, wherein an element closes the flow of fluid through through-channel, while leaving a volume open inside the through-channel that is at least 10% of the volume that the through-channel would have without the element, or the element allows the flow of fluid through the through-channel and interacts with the flow of fluid through the through-channel and/or the sidewalls of the through-channel deviate at least in some areas from a cylindrical wall in orderType: ApplicationFiled: February 3, 2020Publication date: May 5, 2022Applicant: Donaldson Company, Inc.Inventors: Mathijs VERSTRAETE, Bart CATOOR, Michael J. VAN ARSDALE, Michael D. CARLSON
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Patent number: RE49097Abstract: Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile fluid and can remove a particulate load from the mobile stream. The unique combination of media fiber, bicomponent binder fiber and other filtration additives and components provide a filtration media having unique properties in filtration applications.Type: GrantFiled: November 8, 2019Date of Patent: June 7, 2022Assignee: Donaldson Company, Inc.Inventors: Brad E. Kahlbaugh, Keh B. Dema, Linda M. Olson, Joe Israel, Derek O. Jones, Gregory L. LaVallee, Michael A. Madden, Chuanfang Yang, Robert M. Rogers, Paul L. Kojetin, Timothy D. Sporre