Gasket Within Casing Or Spaced Removable End Members Patents (Class 210/450)
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Patent number: 8741139Abstract: The present device is a detachable core for use with a cylindrical filter cartridge. The core includes a wire frame including at least two vertical struts oriented along a longitudinal direction. The wire frame includes an upper ring and a lower ring mounted to the distal ends of the vertical struts and further includes an upper flange and a lower flange mounted to the upper and lower rings respectively, wherein the lower flange is detachably mounted to the lower ring. Preferably the lower ring includes a gap in the lower ring to enable resilient compression of the ring by squeezing the lower ring in a radial inward direction prior to engagement with the lower flange. Preferably the cartridge filter includes elastomeric end caps and the cooperating rings and flanges are non-circular such that the elastomeric end caps conforms to the non-circular shape of the upper and lower flanges.Type: GrantFiled: December 6, 2011Date of Patent: June 3, 2014Inventors: Paul LaCroix, Barry LaCroix
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Patent number: 8741018Abstract: An air filter cartridge is provided including an air filter media construction having a first, outlet end, flow face and an opposite, second, inlet end, flow face. The filter media construction has fluted media secured to a facing media sheet. The filter media is closed to flow of unfiltered air completely therethrough. A centerboard is provided. The centerboard has a media portion embedded within the media construction. The centerboard has first and second opposite sides. The media portion that is embedded within the media defines an aperture arrangement extending completely through the centerboard from the first side to the second side. An adhering sealant secures the centerboard to the media construction. At least some adhering sealant extends through the aperture arrangement.Type: GrantFiled: January 28, 2013Date of Patent: June 3, 2014Assignee: Donaldson Company, Inc.Inventors: Mark Belcher, Matthew A. Kalis
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Patent number: 8733555Abstract: A fuel filter cartridge includes a housing having first and second shell sections. The shell sections are generally symmetric about a cartridge axis and joined together. The first shell section has a convex-shape when viewed from a side and includes an end portion, a cylindrical side wall portion, and a transition portion connecting the side wall portion to the end portion. The end portion has an end surface forming a cartridge opening coaxial with the cartridge axis. The transition portion has a radius of 0.125-1.125 inches. A filter having at least one filter element is disposed within the housing.Type: GrantFiled: May 25, 2011Date of Patent: May 27, 2014Assignee: Stanadyne CorporationInventors: Jonathan D. Moore, Timothy M. Sasur
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Patent number: 8727134Abstract: A sealing device (24) of a filter system (10) for filtering fluids, in particular of a motor vehicle, with a sealing ring (26) is described. The sealing ring (26) serves to seal a pipe (16), in particular a central pipe of a filter housing (12), that penetrates through a flange-sided opening (18) of an end plate (20), in particular of an end element of a filter element (14). The sealing ring (26) features a central section (58) that connects it with the end plate (20). The sealing ring (26) features in its axial direction on both sides of the central section (58) elastic sealing sections (60, 62) which cause each a reduction of the inner diameter of the sealing ring (26) compared with the central section (58).Type: GrantFiled: August 5, 2010Date of Patent: May 20, 2014Assignee: Mann + Hummel GmbHInventors: Günter Jokschas, Marco Schweikart, Martin Weindorf
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Patent number: 8728314Abstract: A membrane element is provided between a pair of water collecting cases. Water collecting spaces in which permeate having penetrated through the membrane element is collected are formed in the water collecting cases. The water collecting case of one membrane module and the water collecting case of the other membrane module are coupled via coupling portions. The coupling portions have flow holes. The water collecting space of the water collecting case of the one membrane module and the water collecting space of the water collecting case of the other membrane module communicate with each other via the flow holes of the coupling portions.Type: GrantFiled: March 27, 2008Date of Patent: May 20, 2014Assignee: Kubota CorporationInventors: Hidetoshi Masutani, Yasunobu Okajima, Tomokazu Kitano
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Patent number: 8728313Abstract: A water filter system including a base configured for receiving water from a faucet and a filter cartridge connected to the base. The filter cartridge defines a peripheral opening and a first chamber having at least one filter element, and a second chamber in fluid communication with the first chamber. An enhancement cartridge is removably inserted through the peripheral opening and into the second chamber. The enhancement cartridge includes an enhancement material for adding minerals to the water and is removable from the system independently from the filter cartridge.Type: GrantFiled: October 19, 2012Date of Patent: May 20, 2014Assignee: Paragon Water Systems, Inc.Inventor: David E. Swain
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Publication number: 20140124459Abstract: A filter cartridge is provided that is designed to actuate a valve that controls fluid flow into an outlet for discharging filtered fluid. The valve receives a ball at a first position which is axially movable between the first position and a second position. If a filter cartridge is not installed or an inappropriately designed filter cartridge is installed, the ball is moved from the first position to the second position to seal an outlet opening of the outlet. If the described filter cartridge is installed, the ball is retained at the first position by a holding member and the valve allows filtered fluid flow into the outlet opening.Type: ApplicationFiled: May 11, 2011Publication date: May 8, 2014Applicant: CUMMINS FILTRATION IP INC.Inventors: Hanhao Li, Ping Shen, Penghua Hou, Chunxi Wang
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Patent number: 8709247Abstract: A filter cartridge including catches for ejecting the filter cartridge from a filter housing as the filter cartridge and filter housing are removed from a filter base is provided. The catches are configured to engage corresponding catches of the filter base to limit axial motion of the filter cartridge as the filter cartridge and filter housing are threadedly removed from the filter base.Type: GrantFiled: January 27, 2012Date of Patent: April 29, 2014Assignee: Baldwin Filters, Inc.Inventors: John H. Beard, Stephen Schweitzer
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Patent number: 8709240Abstract: An oil filter assembly is disclosed for a machine, such as an internal combustion engine, that has an oil output port and an input port. A mounting plate is fixed with an outer enclosure. The mounting plate is further adapted to conduct oil from the machine into a peripheral portion of the outer enclosure, and then returning oil from a central portion of the outer enclosure back to the machine. Oil may pass from the peripheral portion to the central portion through a primary filter having a first porosity. A pressure-actuated valve is fixed fluidly between the portions of the outer enclosure. Oil passes through the pressure actuated valve only when an oil pressure differential between the peripheral and central portions exceeds a threshold pressure. A secondary filter has a second porosity greater than the first porosity, and is fixed between the pressure-actuated valve and the central portion.Type: GrantFiled: May 25, 2012Date of Patent: April 29, 2014Assignee: 37Degree Filters, Inc.Inventor: Christopher Hubbard
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Patent number: 8691085Abstract: The present invention relates to a filtering device, which comprises a base plate (12) having a threaded center hole (122); a filter housing (11) having a cap-shaped body coupleable to the base plate; an anti-drainback valve (15) having a valve hole (151) defined in the center portion thereof arranged on the base plate (12), where the valve hole (151) correspondingly aligns with the threaded center hole (122) of the base plate (12); a filter assembly (14) having a filter hole (1411) abutting on the anti-drainback valve (15), where the filter hole (1411) aligns with the valve hole (151) of the anti-drainback valve (15); and a bypass valve (13) having a central plate portion (132) and a pair of extending wing portions (131) pressingly arranged between the inner surface of the filter housing and the filter assembly. The separately removable housing (11) provides easy assembly and enables simple filter media replacement.Type: GrantFiled: October 13, 2011Date of Patent: April 8, 2014Assignee: Insonic CompanyInventor: Hideo Ishikura
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Patent number: 8685243Abstract: A fluid filter such as an oil filter for a vehicle is provided. The fluid filter includes a body. A plate is coupled to one end of the body, the plate having a first surface and a threaded portion having a thread pitch. A seal is disposed adjacent the plate, the plate having a second surface opposite the plate. A stop member is disposed adjacent the plate, the stop member having a third surface offset from the second surface.Type: GrantFiled: January 9, 2013Date of Patent: April 1, 2014Assignee: Fram Group IP LLCInventors: Gerard W. Bilski, Michael S. Lynch
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Patent number: 8647515Abstract: This invention relates to a blood processing filter including a sheet-like filter element and a flexible container having an internal space divided by the filter element. The container includes first and second container-forming-parts. The first container-forming-part includes an interior filtration space-forming-part and an exterior surrounding space-forming-part that are separated by a first seal-part. The second container-forming-part includes an extension space-forming-part surrounded by the second seal-part and arranged opposite the filter element and the surrounding space-forming-part, without being divided by the first seal-part. A port of the first container-forming-part is provided in the filtration space-forming-part and communicates with an internal space on one side defined by the filter element.Type: GrantFiled: October 4, 2011Date of Patent: February 11, 2014Assignee: Asahi Kasei Medical Co,. Ltd.Inventors: Tomohisa Yokomizo, Morikazu Miura
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Publication number: 20140027366Abstract: A cartridge top load filter design and filter element useable with the filter are described that allows fluid to be drained from the filter housing, from the exterior of the housing and without first removing the filter element or the housing cover. The draining feature can be manually activated by a knob that is accessible from the exterior of the filter housing adjacent to the removable cover. The draining feature does not require any tools to activate, and provides a “clean service” option of draining fluid before opening the filter housing.Type: ApplicationFiled: April 22, 2013Publication date: January 30, 2014Applicant: CUMMINS FILTRATION IP, INC.Inventors: Charles W. Hawkins, Ismail C. Bagci, Peter K. Herman, Scott W. Schwartz
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Patent number: 8636901Abstract: A fluid filter is described, comprising a filter body defining a cavity for a filter element, a first end cap for fitting on one end of the filter body, having an integrated single piece anti drain back valve and seal, and a second end cap for fitting on an opposite end of the filter body, having an integrated two part relief valve and supports for the filter element, formed by a relief valve body and a relief valve disc.Type: GrantFiled: January 13, 2009Date of Patent: January 28, 2014Assignee: Mann+Hummel Purolator Filters LLCInventors: Travis Canup, Rajan Ahuja, L. Steven Cline
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Publication number: 20140021124Abstract: A form-molded filter element cartridge has a pass-through filter-media sidewall through which fluid passes and is filtered, and has at least one filter-media flange compressively engageable to form a seal between a first dirty unfiltered-fluid side of the filter-media sidewall and a second clean filtered-fluid side of the filter-media sidewall. A method is provided for making the filter element cartridge.Type: ApplicationFiled: September 14, 2012Publication date: January 23, 2014Applicant: CUMMINS FILTRATION IP, INC.Inventors: Gerard Malgorn, Arnaud Le Ven
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Patent number: 8632618Abstract: A filter assembly for filtering fluids includes a housing having a base and a cover having guide structure for assembly. The guide structure may also provide gasket retention.Type: GrantFiled: March 29, 2013Date of Patent: January 21, 2014Assignee: Cummins Filtration IP Inc.Inventor: Robert A. Bannister
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Patent number: 8632676Abstract: A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred assembly includes a bypass valve arrangement and a suction filter arrangement. A valve, to allow flow from an interior of the assembly to a reservoir if needed, is provided. Preferred serviceable filter cartridges are shown.Type: GrantFiled: May 14, 2012Date of Patent: January 21, 2014Assignee: Donaldson Company, Inc.Inventor: Claudio Formica
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Publication number: 20140014595Abstract: A self-cleaning system for a filter includes a filter element; a filter housing with first, second, and third ports; the first port being a fluid inlet; the second port being a fluid outlet, and the third port being a recirculation outlet, the first and second ports being on the upstream side of the filter element; the third port being on the downstream side of the filter element; enabling primary and transverse flow through the filter; whereby reverse flow via the third port is used to clean the filter element; the system including a one-way valve connected to the second port to inhibit reflux of drain fluid into filter. A recirculation pump and a drain pump are controlled to periodically drain the lint removed from the filter to the system drain.Type: ApplicationFiled: November 8, 2011Publication date: January 16, 2014Applicants: ELECTROLUX THAILAND CO., LTD., ELECTROLUX HOME PRODUCTS PTY LIMITEDInventors: Rajan Koo, Anthony Seipelt, Narongsak Metta, Wat Khawkhan, Marcos Paulo Soares Bittencourt, Goran Macesic
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Patent number: 8623207Abstract: A loose-proof structure of a filter cartridge shell, includes: a filter cartridge shell body, the filter cartridge shell body has an open end which includes several treads in its inside and an upper end surface, and an upper end cover, which is hermetically and spirally coupled with the filter cartridge shell body. The upper cover has a raised rafter edge. The raised rafter edge and the open end are equipped with a loose-proof fixed ring. a periphery surface of the raised rafter edge has loose-proof locking teeth, an inside surface of the loose-proof fixed ring has loose-proof tooth spaces matching with the loose-proof locking teeth. An external end surface of the open end has loose-proof scabs, the loose-proof fixed ring has loose-proof grooves on its bottom matching with the loose-proof scabs.Type: GrantFiled: January 13, 2011Date of Patent: January 7, 2014Assignee: Zhejiang Qinyuan Water Treatment S. T. Co. Ltd.Inventors: Xiuyou Ye, Jianlin Liang, Kaiqin Peng, Daowen Lu
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Patent number: 8617391Abstract: A component (5) for filters (10) comprising a plate (50) provided with at least a through-opening (54) in a thickness thereof and a perimeter edge to which a seal (51) is fixed, which seal (51) is destined to be interposed between a beaker-shaped body (21) and a cover (22) of a casing (20) of a filter (10), and a flat filter wall (55) fixed to the plate (50) in such a way as to intercept the at least a through-opening (54) and a hollow shank (53) suitable for accommodating the end of a pipe (56) for removal of the water accumulated on the bottom of the beaker body (21).Type: GrantFiled: January 26, 2012Date of Patent: December 31, 2013Assignee: UFI Filters S.p.A.Inventor: Giorgio Girondi
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Patent number: 8613786Abstract: A fluid filter includes a base plate, a canister, and filtering media contained in the canister for filtering fluid from an inlet port to an outlet port. Notches are formed into an outer periphery of the base plate. An annular bead of the canister side wall is partially formed into the notches to provide a torque locking mechanism between the base plate and the canister. The terminating lip portion of the canister is wrapped around the outer face of the base plate and formed into an annular trough to directly secure the base plate to the canister. The annular trough includes a diverging outer wall that provides a narrow contact interface between the terminating lip portion and the retention corner of the base plate to thereby reduce moment loads induced therebetween as a result of high fluid pressures in the filter.Type: GrantFiled: December 13, 2010Date of Patent: December 24, 2013Assignee: Baldwin Filters, Inc.Inventors: Timothy L. Krull, Steven J. Merritt, Steven M. Todd
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Publication number: 20130324966Abstract: The present disclosure provides devices and methods for harvesting and processing tissue from patients for grafting. The devices can include a tissue collection chamber for ascetically collecting, processing, and/or re-implanting adipose tissue.Type: ApplicationFiled: May 15, 2013Publication date: December 5, 2013Applicant: Lifecell CorporationInventors: Jason Park, Jerome Connor, Aaron M. Barere
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Patent number: 8591736Abstract: A filter unit includes a body portion having a proximal end and a distal end. First and second engagement surfaces traverse at least part of the body portion. The first and second engagement surfaces include a first segment that extends substantially parallel with the longitudinal extent of the body portion. A second segment extends at an angle relative to the longitudinal extent of the body portion. A third segment extends at a different angle than the second segment. A laterally extending key member is disposed on the body portion between the first engagement surface and the second engagement surface. An engagement protrusion extends from the proximal end. The engagement protrusion has a first portion that includes a first radius of curvature and a second portion opposing the first portion that includes a second radius of curvature that is larger than the first radius of curvature.Type: GrantFiled: September 15, 2011Date of Patent: November 26, 2013Assignee: Whirlpool CorporationInventors: Christopher A. Kruckenberg, John W. Morrison, Jeffrey A. Spindler
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Publication number: 20130292324Abstract: A component (5) for filters (10) comprising a plate (50) provided with at least a through-opening (54) in a thickness thereof and a perimeter edge to which a seal (51) is fixed, which seal (51) is destined to be interposed between a beaker-shaped body (21) and a cover (22) of a casing (20) of a filter (10), and a flat filter wall (55) fixed to the plate (50) in such a way as to intercept the at least a through-opening (54) and a hollow shank (53) suitable for accommodating the end of a pipe (56) for removal of the water accumulated on the bottom of the beaker body (21).Type: ApplicationFiled: January 26, 2012Publication date: November 7, 2013Applicant: UFI FILTERS S.P.A.Inventor: Giorgio Girondi
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Patent number: 8550255Abstract: A filter device having a filter element (9) forming a body extending along a longitudinal axis received in a housing (1) closed by a cover part (3). A sealing arrangement (49) is provided to form a fluid-tight seal between the housing (1) and the cover part (3). The sealing arrangement (49) is a component of a filter element (9) and is fixed to a sealing carrier (48) rigidly connected to the filter element.Type: GrantFiled: July 24, 2008Date of Patent: October 8, 2013Assignee: Hydac Filtertechnik GmbHInventors: Michael Sakraschinsky, Norbert Sann
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Patent number: 8540080Abstract: An endcap includes a first plate member having a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions, and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal member includes a first portion engaged with an axial facing surface of the first plate member and a second portion engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.Type: GrantFiled: August 7, 2012Date of Patent: September 24, 2013Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard Eisenmenger
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Patent number: 8540873Abstract: A ring filter insert (3) which can be flowed through radially has, in at least one of its end disks (4, 5), at least one connecting channel (28) which runs radially between interior and exterior of this end disk (4; 5). With such a ring filter insert (3), through a liquid supply channel (14) which is conducted through the central inner space of the ring filter insert (3) which serves as the crude space or clean space, it is possible in construction and rational terms to pass liquid through the at least one connecting channel (28) in at least one of the two end disks (4, 5) of the ring filter insert (3) from the radial inside outward into one of the two crude spaces or clean spaces which are sealed from the other crude space or clean space and communicate only through the filter medium of the ring filter insert (3). The flow through the at least one connecting channel (28) in at least one of the two end disks (4, 5) may also be in the reverse direction from the radial outside inward.Type: GrantFiled: November 2, 2007Date of Patent: September 24, 2013Assignee: Mahle International GmbHInventor: Torsten Lika
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Patent number: 8535529Abstract: A filter assembly with a replaceable filter element and a reusable filter housing, which incorporates a locking mechanism to ensure that the filter system will not be operated without a filter element installed.Type: GrantFiled: September 16, 2011Date of Patent: September 17, 2013Assignee: Caterpillar Inc.Inventors: Mark T. Allott, David Ofori-Amoah
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Patent number: 8535530Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter head, a seal adaptor, and a filter member comprising a shell enclosing a cartridge. Unique features for interface between the filter cartridge and the filter head are provided. Also provided are unique filter head features and cartridge features.Type: GrantFiled: December 16, 2008Date of Patent: September 17, 2013Assignee: Donaldson Company, Inc.Inventors: Brian Mandt, Brent A. Gulsvig, John R. Hacker
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Patent number: 8524090Abstract: A flexible blood filter allowing smooth flow of a liquid and being excellent in separation resistance, pressure resistance and centrifugation resistance. The blood processing filter, comprising a first filter element for removing aggregates from blood, a second filter element for removing leukocytes provided in the downstream of the first filter element, and the third filter element having gas permeability of 3 to 40 cc/cm2/sec per thickness of 1 cm provided between the second filter element and the outlet port side container.Type: GrantFiled: November 10, 2009Date of Patent: September 3, 2013Assignee: Asahi Kasei Medical Co., Ltd.Inventors: Shin-ichiroh Oka, Yoshimasa Matsuura, Tomohisa Yokomizo
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Publication number: 20130220914Abstract: A spin-on fluid filter with improved attachment and sealing with the filter head. The filter has a gasket positioned at the end of threads used to connect the filter to a filter head. The described design protects the gasket from excessive engine heat, cut or tear damage during installation, and the roll out effect of installation torque. In addition, the described attachment provides gasket protection and uniform compression of the gasket. The gasket can be any type that provides a seal which keeps external threads on the filter and the filter head dry.Type: ApplicationFiled: February 22, 2013Publication date: August 29, 2013Applicant: CUMMINS FILTRATION IP, INC.Inventor: CUMMINS FILTRATION IP, INC.
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Patent number: 8518254Abstract: The present invention provides a coolant demineralizer for a fuel cell vehicle, which removes ions, released from a pipe, from coolant of a fuel cell stack. In preferred embodiments, the present invention provides a coolant demineralizer suitably configured to reduce the occurrence of differential pressure due to an ion resin layer such that coolant can smoothly flow through a filter member, thereby increasing the effect of filtering ions and improving the efficiency of use of ion resin.Type: GrantFiled: May 26, 2010Date of Patent: August 27, 2013Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sung Wook Na, Seong Kyun Kim, Sung Ho Lee, Hee Seok Jeong
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Patent number: 8512563Abstract: A housing pot for accommodating a filter element in a filter device includes a recess into which a bushing having a form-fit element is inserted. The form-fit element engages with the edge delimiting the recess in the bottom of the housing pot in a form-fit manner.Type: GrantFiled: August 1, 2012Date of Patent: August 20, 2013Assignee: Mann & Hummel GmbHInventors: Melanie Hirsch, Frank Vogt
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Patent number: 8511481Abstract: A liquid filter with a filter housing (9) with a filter element (8, 108, 208) arranged within. Within the filter element (8, 108, 208) a standpipe (3, 103, 203) is arranged. This standpipe is sealing connected with the filter element, whereby in the connecting range between standpipe and filter element a sealing element (15, 115) is arranged for sealably closing a discharge hole (11) in the housing (9). The sealing element (15, 115) seals the discharge hole and also sealably separates a clean side from a contaminated fluid side by sealing between the standpipe and the filter housing.Type: GrantFiled: July 8, 2010Date of Patent: August 20, 2013Assignee: Mann + Hummel GmbHInventor: Herbert Jainek
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Publication number: 20130206675Abstract: The invention relates to a separation device (1) for separation of a constituent from a liquid mixture (5), comprising a vessel (2), an inlet (3) and at least one outlet (6), said inlet (3) being arranged above the outlet (6), a filter material (7) capable of binding the constituent and is arranged within the vessel (3) between the inlet (3) and the outlet (6) such that flow passes through the filter material (7). The filter material (7) is arranged in a cartridge (4) inserted into the vessel (3).Type: ApplicationFiled: August 4, 2011Publication date: August 15, 2013Applicant: BEKO TECHNOLOGIES GMBHInventors: Werner Koslowski, Andreas Ostgathe, Herbert Schlensker, Johannes Sinstedten
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Patent number: 8501003Abstract: A filter element disclosed herein includes a center tube defining a central reservoir and including an interior sidewall. The filter element further includes an end plate and a pocket defining a port extending from the end plate into the central reservoir. The pocket includes an inner wall, an outer wall, and a plurality of projections extending from the outer wall of the pocket toward the interior sidewall of the center tube.Type: GrantFiled: October 1, 2010Date of Patent: August 6, 2013Assignee: Caterpillar Inc.Inventors: Mark T. Allott, David Ofori-Amoah, Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
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Patent number: 8501002Abstract: The invention concerns a filter insert (1) that is provided as an exchangeable insert in a filter, in particular an oil filter, fuel filter or the like of an internal combustion engine. The filter comprises a filter housing (3) that can be separated along a separating plane (2) and the exchangeable filter insert (1) extending in an axial direction (18). Two housing parts (4, 5) of the filter housing (3) are sealed relative to one another along the separating plane (2) by means of a seal (6). The seal (6) is secured slidably and captively in the axial direction (18) on the filter insert (1).Type: GrantFiled: November 29, 2007Date of Patent: August 6, 2013Assignee: Mann + Hummel GmbHInventors: Kai Knickmann, Ralf Blum, Wolfgang Cedzich, Andreas Franz, Roland Hartmann, Herbert Jainek, Gunnar-Marcel Klein, Markus Kolczyk, Thomas Petschl, Steffen Ritter, Mathias Schuster, Birgit Herbst, Ralf Kaiser, Uwe Kaiser, Joachim Kegel, Hans-Günter Wächter
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Patent number: 8486264Abstract: Housings for reverse osmosis filter cartridges and methods of making the same. The housings include: (1) a hollow cylindrical liner formed of a thermoplastic polymer that is adapted to surround a reverse osmosis filter cartridge; (2) a hollow head assembly that includes a transition collar portion formed of a thermoplastic polymer that is joined to said liner and a barrel portion formed of a chopped glass fiber-filled polymer that is overmolded onto said transition collar portion; (3) an end plug that is adapted to be received within an opening in the barrel portion; and (4) an overwrap layer comprising wound glass filaments and a polymeric resin that covers the outer surfaces of the liner and head assembly.Type: GrantFiled: January 16, 2013Date of Patent: July 16, 2013Assignee: Enpress, LLCInventors: Douglas S. Stolarik, Douglas M. Horner, Michael P. Mormino, Robert John Pristas
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Patent number: 8480892Abstract: The invention concerns a filter insert (1) that is provided as an exchangeable insert in an oil filter of an internal combustion engine, as well as a corresponding oil filter. The oil filter comprises a filter housing (3) separable along a separating plane (2) and the exchangeable filter insert (1). Two housing parts (4, 5) of the filter housing (3) are sealed relative one another along the separating plane (2) by means of a seal (6). The seal (6) is captively secured on the filter insert (1).Type: GrantFiled: December 4, 2007Date of Patent: July 9, 2013Assignee: Mann + Hummel GmbHInventors: Herbert Jainek, Johannes Lampert, André Rösgen, Eric Gillenberg, Jens Hähn, Jens Gutekunst, Marco Schilling, Dietmar Klein
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Publication number: 20130168311Abstract: Disclosed herein is a replaceable fuel separation unit having a permeable substrate for separating a fluid source into at least two separate fluid streams, and delivering the two separated fluid streams to separate tanks.Type: ApplicationFiled: June 27, 2012Publication date: July 4, 2013Inventors: Paul Oakley Johnson, Brandon T. Sternquist, Randall D. Partridge
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Patent number: 8474631Abstract: A filter system for filtering fluids has a filter head and a filter cup with a rim area, wherein the filter cup is connected detachably by the rim area by a rotational and/or plug-in movement to the filter head. A filter element is exchangeably arranged in the filter cup. A sealing device with several sealing areas is provided that seals the filter head relative to the filter cup. The filter element has a connecting end disk arranged at an end face that is facing the rim area of the filter cup. On the connecting end disk at least two of the sealing areas of the sealing device are arranged so as to extend circumferentially in such a way that a first sealing area seals the connecting end disk relative to the filter head and a second sealing area seals the connecting end disk relative to the filter cup.Type: GrantFiled: October 1, 2010Date of Patent: July 2, 2013Assignee: Mann+Hummel GmbHInventor: Christian Kocksch
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Publication number: 20130157277Abstract: Devices and methods for detecting microbial contaminants, such as bacteria and fungi, in fluids such as drinking water, pharmaceutical solutions and tissue culture media are provided. More particularly, provided are filtration devices for capture and processing of microorganisms from fluids, and improved methods for recovery, lysis and detection of microorganisms based on a combination of physical disruption with small beads and lysis solutions.Type: ApplicationFiled: September 1, 2011Publication date: June 20, 2013Applicant: Life Technologies CorporationInventors: Kevin Hacker, Gregory Govoni, Nikolay Sergeev, Elena Bolchacova, Maxim Brevnov, Manohar Furtado, Johnie Young, Jim Nurse, Mareila Cuadras
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Patent number: 8460545Abstract: A filter assembly with a replaceable filter element and a reusable filter housing, which incorporates a locking mechanism to ensure that the filter system will not be operated without a filter element installed.Type: GrantFiled: September 16, 2011Date of Patent: June 11, 2013Assignee: Caterpillar Inc.Inventors: Mark T. Allott, David Ofori-Amoah
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Patent number: 8453847Abstract: A filter cartridge unit including a first end plate, at least one second end plate, and a filter cartridge that is arranged between the end plates. The filter cartridge is connected, in a form-fitting and fluid-tight manner, to its adjacent end plates in a circumferential subarea of contact surfaces thereof using an adhesive.Type: GrantFiled: November 24, 2009Date of Patent: June 4, 2013Assignee: Sartorius Stedim Biotech GmbHInventors: Oscar-Werner Reif, Ulrich Grummert, Frank Oppermann
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Patent number: 8453848Abstract: A liquid filter cartridge is provided. Preferred seal arrangements are provided, to provide for preferred axial load conditions, with respect to one or more of the end caps of the cartridge. Some cartridge configurations provided include no core structure or outer liner structure therein, to support axial load. Assemblies using the cartridge, and methods of assembly and use, are provided. The liquid filter cartridge can be a serviceable cartridge, or it can be retained permanently in a housing.Type: GrantFiled: October 27, 2011Date of Patent: June 4, 2013Assignee: Donaldson Company, Inc.Inventor: John Hacker
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Patent number: 8440081Abstract: An apparatus, system, and method for a quick-drain filter includes a cylindrical filter element, a cylindrical interior volume disposed axially through the element, an end plate disposed on an axial end of the element, and a housing within which the element and end plate are disposed, the housing and element having a common axis. A stand pipe is disposed axially through the housing and configured to extend into the interior volume. A service drain passage is disposed at an axial end of the housing, the drain passage being configured to be disposed axially adjacent the end plate, and a plug is disposed on the end plate, the plug being configured to plug the drain passage.Type: GrantFiled: August 7, 2007Date of Patent: May 14, 2013Assignee: Cummins Filtration IP, Inc.Inventor: Mark T. Wieczorek
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Patent number: 8440083Abstract: One embodiment is a filter element including an outer filter media and an inner filter media. The outer filter media is operable to remove particulates present in a flow of fluid and/or coalesce water contained in the flow of fluid. The inner filter media is operable to remove particulates from the flow of fluid, separate water form the flow of fluid, and remove particulates from the flow of fluid. Other embodiments include unique apparatus, devices, systems, and methods relating to fuel filters and filtration. Further embodiments, forms, objects, features, advantages, aspects, and benefits of the present application shall become apparent from the detailed description and figures included herewith.Type: GrantFiled: September 21, 2011Date of Patent: May 14, 2013Assignee: Cummins Filtration IP, Inc.Inventors: Zemin Jiang, Melvin Douglas McCormick, David P. Genter, Norman C. Blizard, Jeffrey A. Husband, Michael J. Connor, Wassem Abdalla, Barry M. Verdegan
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Patent number: 8439204Abstract: A drop-in oil filter having top and bottom caps having annular recesses on facingly disposed surfaces adjacent their outer periphery, a pleated, woven metal cylindrical filter element having an outer and an inner diameter, a first cylindrical wire cage over the outer diameter of the filter element, a second cylindrical wire cage within the inner diameter of the filter element, ends of the filter element and the first and second cylindrical wire cages being fastened into the annular recesses in the top and bottom caps, the bottom cap having a first opening there through concentric with and within inner diameters of the filter element and the first and second cylindrical wire cages, and a first elastic grommet within the first opening having a central opening for sealing on a tube within a drop-in filter housing.Type: GrantFiled: September 12, 2006Date of Patent: May 14, 2013Assignee: Pure Power! IncorporatedInventor: Kelly Tidwell
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Patent number: 8440079Abstract: A liquid filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided.Type: GrantFiled: June 6, 2011Date of Patent: May 14, 2013Assignee: Donaldson Company, Inc.Inventors: Enrico Greco, Fabrizio Buratto, Mauro Cantoni, John F. Connelly, John R. Hacker
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Patent number: 8434628Abstract: A cover device includes a cover plate having at least one recessed section defining an internal volume. A separating element is inserted in the recessed section and delimits the internal volume. The separating element is configured to permit the internal volume to fluidly communicate through the separating element. At least an edge portion of the cover plate is provided with a sealing element for abutment on an opposing surface of a structure to be sealed by the cover device. The sealing element is disposed at least along an edge of the recessed section and fixedly connects the cover plate with the separating element in a sealed manner.Type: GrantFiled: October 16, 2009Date of Patent: May 7, 2013Assignee: Aktiebolaget SKFInventor: Hans-Joachim Vom Stein