Cummins Filtration Ip, Inc.

Nelson Industries, Inc.

Fleetguard, Inc.

International Truck Intellectual Property Company, LLC

Mark V Holzmann

Scott W Schwartz

Christopher E Holm

Michael J Connor

Peter K Herman

Robert A Bannister

Brian W Schwandt

Ken Tofsland

Scott Gerald Manke

Chirag D Parikh

Eric A Janikowski

Jim L Alonzo

Kelly Ann Detra

Arun P Janakiraman

Jeffrey S Morgan

Jessie Alan Knight

Matthew Louison

Gregory K Loken

Kent Jeffrey Kallsen

Scott P Heckel

Jerald J Moy

Andrew P Perr

Kurt M A Badeau

Michael T Zuroski

Donald E Stiemke

Jon S Wake

Murray R Schukar

J Bruce Schelkopf

Dane P Miller

Mark T Wieczorek

Benjamin L Scheckel

Roger L Zoch

Chad M Thomas

Hendrik Amirkhanian

Jeffrey A Husband

Terry Shults

Mark A Terres

Barry Mark Verdegan

Michael R Furseth

Gary L Rickle

Emmanuel Page

Larry T Gunderson

Pravin Shantinath Kadam

C Raymond Cheng

Carey A Curt

Jeffrey A Rech

Matthew T VandenBush

Travis E Goodlund

Miao Li

Merwyn I Coutinho

Yashpal Subedi

Jeremiah Cupery

Budi Antony

Jeffrey A Fedorowicz

Orvin D Kendall

Kenneth M Tofsland

Joel D Roltgen

Kaarthik Venkataraman

Erica C Clark-Heinrich

Sonal Laxman Chirme

Raymond C Shute

Lawrence P Tracy

G Michael Gron, Jr

Clint T Deweese

Craig R Knauf

Guiliang Zheng

Michael B Lanius

Mike J Connor

Daniel Y Hodges

Ronan Corvec

Jeff A Bowerman

Ashwin K Koleshwar

Gregory J Schoenmann

Ryan W Rutzinski

Daniel Potratz

Wesley J Martin

Joseph Appelhans

Steven R Sankbeil

Michael J Mikolichek

Aarol Duane Bright

Eric Roysdon

Zakir Ahmad Quabili

Paul B Rear

Rebecca Beier

Theodore W Ormond

Scvott W Schwartz

Michael Lynn Hill

Michael W Klimmek

Michael J Conner

Bradley T Clark

Carl P Harris

Rebecca A Beier

Kendall M McBroom

Thomas M Anderson-Brown

Brian Hartley

Nels A Nordstrom

James A Bass

Jeffrey S Rech

Andrew J Harris

Rejeev Dhiman

A filter element including a filter media, an end cap, and a baffle. The filter media is configured to be secured within a housing. The housing includes an inlet configured to accept a fluid for filtering and the filter media including a circumferential outer surface. The end cap is positioned at and coupled to one end of the filter media. The baffle is positioned relative to the filter media at a position such that, when the filter element is correctly installed within the housing, the baffle is proximate the inlet of the housing. The baffle extends around only a portion of the circumferential outer surface of the filter media in a radial direction.

Pre-cleaning air filter

Panel filter elements having a pleat block and a seal member are described. The panel filter elements are arranged such that the seal members and pleat blocks can have curved and/or angled elements. The seal member of a filter element may be curved, angled, twisted, and/or has a varying cross-section. The inlet and outlet faces of the pleat block of the filter element may be curved and/or twisted instead of planar. In some arrangements, both the seal member of the filter element and the faces of the pleat blocks can be curved and/or twisted. The described filter elements may be may be flexible, such that the shape of the filter element and/or seal can conform to the shape of a filter housing, or rigid, such that the shape of the filter element remains substantially the same before and after installation into a filter housing.

Panel filter element

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.

Radial seal air filter

Various embodiments provide for a filter assembly. The filter assembly includes a filter housing, a filter element, and a cover. The filter housing has a first housing end and a second housing end that define an internal cavity. The filter housing has a housing seal member formed on the second housing end. The filter element is disposed in the internal cavity. The filter element includes a filter media, an endplate, and a filter seal member. The filter media has a first media end and a second media end. The endplate is disposed at the first media end. The filter seal member is formed on the endplate. The filter seal member includes an inner seal portion and an outer seal portion. The filter seal member is configured to engage the housing seal member. The cover secures the engagement of the housing seal member and the filter seal member.

Curved lobed seal lock air filter system

A filter assembly that includes a filter housing with a housing interlocking feature, a filter cover with a filter cover interlocking feature, and a filter element with a filter element interlocking feature is disclosed. The filter element is positionable within the filter housing, and the filter cover is attachable to a top portion of at least one of the filter element and the filter housing. The housing interlocking feature, the filter cover interlocking feature, and the filter element interlocking feature are interlockable with each other and extend in a nonplanar configuration along at least one side of the filter element when the filter housing, the filter cover, and the filter element are assembled together.

Interlocked stable filter assembly

A filter seal member mold includes a first mold end and a second mold end disposed axially away from the first mold end. A first mold surface is disposed between the first mold end and the second mold end and includes at least one lobe mold and at least one guide channel mold. The at least one lobe mold is configured to form at least one lobe on an end of a filter element. The at least one guide channel mold is configured to form at least one guide channel on the end of the filter element. A second mold surface is disposed between the first and second mold end and disposed radially away from the first mold surface. A mold channel is formed between a first mold surface and a second mold surface. The mold channel includes a closed portion and an open portion adjacent the second mold end.

Curved seal on filter element and protective seal mold

Various example embodiments relate to a filtration system and methods for the installation and use of such a filtration system. According to a set of embodiments, the filtration system comprises a housing that defines a central compartment therein. The filtration system further comprises a filter cartridge positioned within the central compartment of the housing. The filter cartridge comprises a filter media and an identification element. The filtration system further comprises a sensor. The sensor is structured to sense the identification element of the filter cartridge. The filtration system further comprises a filter blocking mechanism communicably coupled to the sensor. The filter blocking mechanism is structured prevent installation of the filter cartridge into the housing unless filter cartridge information of the identification element sensed by the sensor is identified as corresponding to an authorized filter cartridge.

Interlock for genuine filter recognition

An anti-counterfeiting mechanism for a filter element to specifically, and preferably uniquely, identify a filter with a conductive pattern or path of conductive materials preferably either embedded (thin film circuit) under the surface, or over molded on, a portion of the filter. The conductive materials are preferably positioned at the filter end cap. The resistance of the filter element is an identifier that is preferably associated with the OEM manufacturer's labeling (such as product number) and/or other branding of the component. This electrical resistance signature permits rapid identification of counterfeit filters.

Filter with electrical signature anti-counterfeiting feature

Various embodiments provide for a filter assembly. The filter assembly includes a filter housing, a filter element, and a cover. The cover includes a first cover end and a second cover end disposed axially away from the first cover end. A second coupling member is adjacent to the second cover end. The second coupling member is configured to engage a first coupling member to couple the cover and the filter housing. A biasing member is coupled to the first cover end. An interface plate is configured to press against a first endplate of the filter element to secure the engagement of a first engagement portion of a filter seal member of the filter element and a second engagement portion of a housing seal member of the filter housing.

A latch element for use with a filter element is described. The latch element includes a first end and a second end spaced laterally from the first end. An engagement portion is disposed between the first end and the second end. The engagement portion is configured to engage a housing. The handle portion is adjacent to the second end. The handle portion is configured to engage the filter element and facilitate removal of the filter element.

Safety filter snap fit system

A filter assembly comprises a filter housing defining an internal volume, a filter element positioned within the internal volume, and a gasket retainer. An outer edge of the gasket retainer is coupled to a top end of the filter housing, and an inner rim thereof forms a gasket retainer ledge. The filter assembly further comprises a retainer loop comprising a retainer loop main body. A plurality of retainer arms extend axially from the retainer loop main body towards the gasket retainer. Each of the plurality of retainer arms comprise a retainer arm ledge extending radially towards the retainer loop main body and snap-fit to the gasket retainer ledge. A retainer loop sidewall extends from the main body away from the gasket retainer. An outer surface of the retainer loop sidewall defines a curvature. A sealing member is removably positioned around the outer surface of the retainer loop sidewall.

Systems and methods for securing a sealing member on a filter assembly

A filter assembly includes a housing having an outer cavity and an inner cavity, and a gasket disposed within the housing. The gasket includes an inner surface, an outer surface, and a vent passage. The gasket forms a first seal with a central tube at the inner surface. The central tube extends into the inner cavity and includes an opening. A filter element is positioned within the housing and includes a filter media configured to filter a fluid and an endcap including an annular tab portion that forms a second seal with the outer surface of the gasket when the filter element is positioned in an operating position within the housing. The vent passage circumvents the first seal and the second seal, allowing air to flow from the inner cavity of the housing to the opening in the central tube.

Fuel filter cartridges with automated air-bleeding internal features

Various example embodiments relate to a filtration system and methods for the installation and use of such a filtration system. According to a set of embodiments, the filtration system comprises a housing that defines a central compartment therein. The filtration system further comprises a filter cartridge positioned within the central compartment of the housing. The filter cartridge comprises a filter media and an identification element. The filtration system further comprises a sensor. The sensor is structured to sense the identification element of the filter cartridge. The filtration system further comprises a filter blocking mechanism communicably coupled to the sensor. The filter blocking mechanism is structured to prevent installation of the filter cartridge into the housing unless filter cartridge information of the identification element sensed by the sensor is identified as corresponding to an authorized filter cartridge.

Growing community of inventors

Stoughton, WI, United States of America

Mark V Holzmann