Filter Supported By Frame (e.g., Bag Shaped Filter In Fuel Tank For Engine, Etc.) Patents (Class 210/172.4)
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Patent number: 10974182Abstract: Filter media and media packs that provide robust performance in high-speed rotating coalescer (HSRC) elements for crankcase ventilation systems are described. The filter media is HSRC filter media. As such, the filter media has a higher resistance to compressibility than traditional coalescer filter media, such as filter media used in low-speed rotating coalescer arrangements or stationary coalescer arrangements.Type: GrantFiled: August 19, 2016Date of Patent: April 13, 2021Assignee: CUMMINS FILTRATION IP, INC.Inventors: Brian W. Schwandt, Saru Dawar, Christopher E. Holm, Jerald J. Moy, Barry M. Verdegan
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Patent number: 10016710Abstract: The present invention discloses a filter apparatus (10) for a liquid vessel (30), in particular for aqueous urea solution. The filter apparatus (10) comprises a filter housing (11) having a through opening (12), and a liquid-permeable and air-impermeable filter element (16) which is connected to the filter housing (11) in such a way that the filter element (16) closes the through opening (12) of said filter housing (11) at least partially, with the result that the through opening (12) is liquid-permeable and air-impermeable. The filter apparatus (10) comprises, furthermore, at least one liquid outlet connection (17) which is fluidically connected to the through opening (12) of the filter housing (11). The filter apparatus (10) according to the invention is distinguished by the fact that it comprises a heating device (20; 21, 22) which is connected directly to the filter housing (11) and/or is integrated into the filter housing (11).Type: GrantFiled: March 14, 2013Date of Patent: July 10, 2018Assignee: KAUTEX TEXTRON GMBH & CO. KGInventor: Volker Treudt
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Patent number: 9421483Abstract: A pre-filter for a fuel pump in a fuel module which includes a housing having a first portion and a second portion that form a channel when the portions are connected together. There is a first port and a second port integrally formed as part of the second portion, and the channel allows for fuel flow between a valve, such as a thermostatic valve in fluid communication with the first port, and a fuel pump in fluid communication with the second port. Both the valve and the pump are connected to the pre-filter. A first portion of the housing includes a mesh, and a second portion of the housing also includes a mesh, which allow for fuel disposed in a reservoir to flow through each mesh and into the second port, providing additional fuel flow to supplement the fuel flow from the thermostatic valve.Type: GrantFiled: December 6, 2013Date of Patent: August 23, 2016Assignee: Continental Automotive Systems, Inc.Inventors: Brandon Goll, Cristina Malek Guerrieri
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Patent number: 9376950Abstract: A container main body of a reducing agent tank stores a reducing agent. A suction pipe has a suction port positioned in the container main body, and guides the reducing agent from the suction port to outside of the container main body. The strainer is provided at the suction port of the suction pipe. The strainer includes a surrounding portion and a facing portion. The surrounding portion has a filter portion which surrounds an internal space to partition the internal space and an external space of the strainer and allows the reducing agent to pass through between the internal space and the external space. The facing portion extends into the internal space of the surrounding portion to face with the filter portion through a gap space communicating with the suction port in the internal space and partition the gap space and the external space.Type: GrantFiled: January 8, 2014Date of Patent: June 28, 2016Assignee: KOMATSU LTD.Inventors: Satoshi Ogawa, Taisuke Kusaba, Masatoshi Kajiya
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Patent number: 9132366Abstract: A fuel filter includes a filter member formed in a bag shape by a filter material sheet; and a frame member disposed inside the filter member. The frame member includes a base frame spreading out inside the filter member, and a cantilever spring formed in the base frame. The base frame includes first frames extending in a long-side direction, and second frames connected to the first frames and extending in a short-side direction perpendicular to the long-side direction. The first frames include a bent portion which is bent between portions wherein adjacent second frames are connected. A base end portion of the cantilever spring is connected to a second frame, and an end portion of the cantilever spring is disposed between adjacent second frames.Type: GrantFiled: October 20, 2011Date of Patent: September 15, 2015Assignee: NIFCO INC.Inventor: Yasushi Ueki
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Patent number: 8956435Abstract: A primary filter cage wall element is adapted to form, together with at least one complementary filter cage wall element, a tubular baghouse filter cage segment. The filter cage wall elements are provided with snap-locks, for snapping a first long side of the primary filter cage wall element to a second long side of the complementary filter cage wall element, and for snapping a second long side of the primary filter cage wall element to a first long side of the complementary filter cage wall element.Type: GrantFiled: May 2, 2011Date of Patent: February 17, 2015Assignee: ALSTOM Technology LtdInventor: Per-Erik A. Appelo
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Patent number: 8828104Abstract: A device and method for removing moisture from ethanol blended fuel in a fuel tank comprises a container made of a non-woven nylon fabric, a desiccant, and a gelling agent; wherein the desiccant and gelling agent are inside the container.Type: GrantFiled: October 25, 2012Date of Patent: September 9, 2014Assignee: B3C Fuel Solutions LLCInventor: Brian Boezi
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Patent number: 8784656Abstract: A preliminary filter for a fuel delivery unit of a motor vehicle, with a filter fabric which is tensioned by a supporting edge. The supporting edge is manufactured integrally with a connecting piece for connection to the fuel delivery unit and with transverse webs and supporting ribs. The preliminary filter has few components to be assembled and can be manufactured particularly cost-effectively.Type: GrantFiled: June 6, 2008Date of Patent: July 22, 2014Assignee: Continental Automotive GmbHInventor: Holger Wehner
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Patent number: 8764977Abstract: A sump filter assembly for filtering hydraulic fluid supplied by a transmission sump includes a filter housing, a support member, a retainer member, and a biasing member. The filter housing has a top surface and a bottom surface, wherein the bottom surface opposes a bottom surface of the transmission sump. The support member includes a first end portion attached to the filter housing. The retainer member is slideably connected to the support member and includes a first end portion having a retaining surface, wherein the retaining surface opposes the top surface of the filter housing. The biasing member has a first end in contact with the retaining surface of the retainer member and a second end in contact with the top surface of the filter housing.Type: GrantFiled: October 9, 2009Date of Patent: July 1, 2014Assignee: GM Global Technology Operations, LLCInventors: Todd A Frerichs, Michael P. Fannin, John A. Diemer, Robert Neil Paciotti
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Patent number: 8728308Abstract: A filter has an elongated filter envelope with an inner pocket containing filter material and configured to receive fluid filtered by the filter envelope. The filter envelope has a bent position defined by a port portion and a loop portion, the loop portion and the port portion overlapping each other at least partially. A port is attached to the filter envelope proximate the port end and is configured to be connected to a hydraulic device and to allow fluid to be released from the pocket. The filter envelope has a periphery with a sealed rim and a slit splitting a portion of the rim so as to form a flexible retention element unitarily attached to the loop portion of the filter envelope. The retention element is positioned around one of the port and the port portion of the filter envelope to retain the filter envelope in the bent position.Type: GrantFiled: January 10, 2012Date of Patent: May 20, 2014Assignee: Kuss Filtration Inc.Inventors: Travis Schnipke, Gary L. Rickle
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Patent number: 8673141Abstract: The present invention provides a suction oil filter device for an engine or a transmission that has an oil inlet and an oil outlet on the filter housing, a suction oil pump connectable to the oil outlet, using which a partial vacuum may be generated between oil inlet and oil outlet, a fine filter medium and an ultrafine filter medium, which are situated between the oil inlet and the oil outlet. The fine filter medium is attached to the oil inlet or to the oil outlet, and the ultrafine filter medium is situated before the fine filter medium in the flow direction and in a secondary flow area of the filter housing. A high filtration performance may thus be achieved at low production outlay.Type: GrantFiled: March 13, 2009Date of Patent: March 18, 2014Assignee: IBS Filtran Kunststoff/Metallerzeugnisse GmbHInventors: Wolfgang Stausberg, Markus Beer
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Patent number: 8663469Abstract: A strainer wall structure includes curved sections, a method of manufacturing the same, and a filtering method using the strainer wall structure to provide a substantially larger effective filtering area in the same length and width, substantially reducing foreign substances covering a suction surface and flow resistance of the foreign substances, and reducing pressure drop at a cooling water pass corresponding thereto. The strainer wall structure includes an inlet side through which cooling water is introduced and an outlet side through which the filtered cooling water is discharged, includes a body having openings in directions of the inlet side and the outlet side, and a first filter plate inserted into the body and including curved sections formed by alternately bending a first punched plate having filtering holes in opposite directions and at a predetermined interval.Type: GrantFiled: September 3, 2010Date of Patent: March 4, 2014Assignees: Korea Hydro & Nuclear Power Co., Ltd., BHI Co., Ltd.Inventors: Sang Yeol Kim, Hyeong Teak Kim, Chang Hyun Kim, Sang Won Lee, Jong In Woo
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Publication number: 20130206663Abstract: A fuel filter device is provided in which a filter assembly having filter layers of first multiple layers is provided in a fuel flow path extending from the interior of a fuel tank to fuel consumption means via a fuel pump, and the finest filter layer is disposed downstream-most in filter layers of second multiple layers forming at least part of the first multiple layers, wherein an aggregation-promoting part (24A) that promotes aggregation of dust in fuel by changing the flow direction or flow velocity of fuel is provided in the filter assembly (20A) so that aggregation of dust in fuel is promoted before the upstream side of at least the second finest filter layer (22A) of the filter layers (21A, 22A, 23A) among the second multiple layers. This enables the durability of the fuel filter device to be improved.Type: ApplicationFiled: June 8, 2011Publication date: August 15, 2013Applicant: HONDA MOTOR CO., LTD.Inventors: Atsushi Ito, Tsubasa Ishii, Hideaki Ando, Fujio Umebayashi, Junichi Toda, Keita Kinoshita, Hiroaki Oto
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Patent number: 8475659Abstract: A strainer wall structure that removes foreign substances from a fluid suctioned into a pipe and a re-circulation pump that is part of an emergency core cooling system (ECCS). The strainer wall structure has an inlet side and an outlet side through which cooling water is introduced and discharged, respectively, and includes a body having an opening in a direction of the inlet side, closed side surfaces, and an outlet port disposed at one of the closed side surfaces. The strainer includes a punched plate filter screen inserted into the opening. A modular cassette apparatus including grooved first filter plates is inserted into the body, and second filter plates having second grooves is inserted into the first grooves.Type: GrantFiled: August 17, 2010Date of Patent: July 2, 2013Assignees: Korea Hydro & Nuclear Power Co., Ltd., BHI Co., Ltd.Inventors: Seung Jong Oh, Sang Yeol Kim, Hyeong Teak Kim, Chang Hyun Kim, Sang Won Lee, Jong In Woo
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Patent number: 8460542Abstract: A suction filter may comprise a bag-shaped filter member and a passage member. The passage member is disposed in an internal space of the filter member. The passage member has a fuel passage and a plurality of openings, and guides fuel from the internal space to the outside of the internal space. The openings communicate the internal space of the filter member to the fuel passage. When the passage member is cut along a surface thereof perpendicular to a longitudinal direction of the passage member in each of the openings, a position on an outer circumferential surface of the passage member in the cut surface, in which the distance between the outer circumferential surface and the filter member is the smallest, is distant in a circumferential direction from a position on the outer circumferential surface where the opening is formed.Type: GrantFiled: February 16, 2010Date of Patent: June 11, 2013Assignee: Aisan Kogyo Kabushiki KaishaInventors: Toshihide Oku, Tetsuya Hara, Yoshinobu Kato
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Patent number: 8453622Abstract: A fuel supply system includes a plurality of fuel pumps, and one suction filter. The suction filter includes connection portions that are connected to pump inlets of the fuel pumps, and an interval adjusting member that adjusts the interval between the connection portions in accordance with the interval between the fuel pumps. Thus, it is possible to fit the suction filter to the fuel pumps without changing the interval between the fuel pumps. Because the interval between pump outlets is not changed, it is possible to minimize the problems that are likely to occur when the suction filter is fitted to the fuel pumps.Type: GrantFiled: March 16, 2009Date of Patent: June 4, 2013Assignee: Kyosan Denki Co., Ltd.Inventors: Shin Iwaoka, Norihiro Hayashi, Masakazu Suzuki
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Patent number: 8372278Abstract: A liquid fuel strainer assembly includes a filter body of filtration media. The filter body includes a first wall and an opposing second wall shaped to define an enclosed interior space therebetween. A fitting connects the filter body to a fuel pump, and provides fluid communication from the enclosed interior space of the filter body to the fuel pump. A flexible tube is disposed within the enclosed interior space of the filter body. The flexible tube prevents the first wall and the second wall from collapsing toward each other to allow fuel to flow through the enclosed interior space toward the fitting. The flexible tube is not attached to either the fitting or the filter body, and is freely moveable within the enclosed interior space of the filter body.Type: GrantFiled: March 21, 2012Date of Patent: February 12, 2013Assignee: GM Global Technology Operations LLCInventors: Peter N. C. Nguyen, Gordon G. Rinke
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Patent number: 8292089Abstract: A method and apparatus for supporting a screen. The apparatus comprising a cylindrical screen for submerging in a fluid, the screen having an inlet pipe for connecting to a piping system, filter members, a first end, a second and a support structure. The support structure is one or more helical members which traverse the screen.Type: GrantFiled: May 31, 2011Date of Patent: October 23, 2012Assignee: Weatherford/Lamb, Inc.Inventors: Jay R. Osborne, Michael Ekholm, Dan Ganfield
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Patent number: 8269179Abstract: A lithographic apparatus includes an illumination system configured to condition a radiation beam, a projection system configured to project the radiation beam onto a substrate, and a filter system for filtering debris particles out of the radiation beam. The filter system includes a plurality of foils for trapping the debris particles, a support for holding the plurality of foils, and a cooling system having a surface that is arranged to be cooled. The cooling system and the support are positioned with respect to each other such that a gap is formed between the surface of the cooling system and the support. The cooling system is further arranged to inject gas into the gap.Type: GrantFiled: December 24, 2008Date of Patent: September 18, 2012Assignee: ASML Netherlands B.V.Inventors: Arnoud Cornelis Wassink, Levinus Pieter Bakker, Johannes Hubertus Josephina Moors, Frank Jeroen Pieter Schuurmans
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Patent number: 8173013Abstract: Disclosed is a fuel filter in which is disposed in a fuel suction port of a fuel tank or in a fuel line and used to filter the fuel. At least one of filter materials constituting the fuel filter is made into a multifunctional filter material having a function of trapping dust of different particle diameters in stages, by differing the diameter of the pores in the filter material from the primary side to the secondary side of the filter material so that the size of the pores decreases toward the secondary side.Type: GrantFiled: July 9, 2009Date of Patent: May 8, 2012Assignee: Nifco Inc.Inventors: Hiroji Sato, Yasushi Ueki, Kensuke Ogose
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Patent number: 8137546Abstract: A filter device includes a bag-shape filter body. The filter device is attached in a manner such that an internal space of the filter body connects through to a fuel intake port in a fuel tank. The filter body includes two or more filter materials overlaying each other. At least one of the filter materials is configured so that a cross sectional area of its fuel passage is different between a primary side and a secondary side of the filter material so as to be a multifunctional filter material having a function of gradually capturing dust having different particle sizes.Type: GrantFiled: January 9, 2008Date of Patent: March 20, 2012Assignee: NIFCO, Inc.Inventor: Kensuke Ogose
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Patent number: 8052868Abstract: A fuel filter device includes a bag-shaped filter member and is adapted to be attached to communicate an inner space of the filter member with a fuel suction opening in a fuel tank. The filter member is configured in a multilayer structure. At least one layer of the filter member is configured to serve as an inhibition layer having a structure to prevent water in a fuel tank form coming into the inner space of the filter member by a pressure applied to the filter member when the water is frozen.Type: GrantFiled: February 21, 2008Date of Patent: November 8, 2011Assignee: Nifco Inc.Inventors: Hiroji Sato, Yasushi Ueki, Shigeru Takahashi, Takaya Ogawa
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Patent number: 8038877Abstract: The invention relates to an oil filter apparatus comprising an oil inlet and an oil outlet, with a suction oil pump being connectable to the oil outlet with which a negative pressure can be produced between the oil inlet (and the oil outlet, a coarse filter medium and a fine filter medium which is arranged between the oil inlet and the oil outlet, with the oil filter apparatus being capable of allowing a volume share of the oil to pass permanently through the coarse filter medium irrespective of the viscosity of an oil passing through the oil inlet and of allowing at the same time the remaining volume share of the oil to pass through the fine filter medium.Type: GrantFiled: June 27, 2007Date of Patent: October 18, 2011Assignee: IBS Filtran Kunststoff-/Metallerzeugnisse GmbHInventors: Wolfgang Stausberg, Michael Dedering
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Publication number: 20110215039Abstract: A modular water purification system is optimized for versatility and weight using a pump component that is mountable by standardized fittings into alternative prime mover modules that can receive and power the pump. The pump can be a heavy high pressure pump for a reverse osmosis stage, interchangeably mounted on an internal combustion engine module or an electric motor module. The pump is enclosed and protected by a frame with end plates, elongated bar handles and a standardized base that fits into and is fixed by a sliding flange and clamping structure, locating the pump precisely to engage a rotational fitting on the pump shaft with a complementary fitting coupled to the prime mover.Type: ApplicationFiled: March 4, 2010Publication date: September 8, 2011Applicant: TerraGroup CorporationInventors: Primo L. Acernese, James Novak, JR., Joseph J. Totenbier
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Patent number: 7998347Abstract: An assembly for filtering contaminants from automatic transmission fluid includes a housing including a first inlet and a second inlet, through which fluid enters the housing, and an outlet, through which fluid exits the housing; a first media filter located within the housing in a first fluid flow path between the first inlet and the outlet; and a second media filter located within the housing in a second fluid flow path between the second inlet and the outlet.Type: GrantFiled: May 29, 2008Date of Patent: August 16, 2011Assignee: Ford Global Technologies, LLCInventors: Lev Pekarsky, Robb D. Pratt
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Publication number: 20110180469Abstract: Disclosed is a fuel filter in which is disposed in a fuel suction port of a fuel tank or in a fuel line and used to filter the fuel. At least one of filter materials constituting the fuel filter is made into a multifunctional filter material having a function of trapping dust of different particle diameters in stages, by differing the diameter of the pores in the filter material from the primary side to the secondary side of the filter material so that the size of the pores decreases toward the secondary side.Type: ApplicationFiled: July 9, 2009Publication date: July 28, 2011Applicant: NIFCO INC.Inventors: Hiroji Sato, Yasushi Ueki, Kensuke Ogose
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Patent number: 7964096Abstract: A filter device includes a first connection part 1 adapted to be connected to a fuel pump; a second connection part 21 adapted to be connected to a path for a returned portion of fuel; and a filter member 3 having an inner space 30 communicating with an inlet port 10 of the first connection part 1 and an outlet port 20 of the second connection part 2. A tubular member 22 has a leading edge 22a formed with the outlet port 20 of the second connection part 2. The leading edge 22a of the tubular member 22 is opened to be disposed in the inlet port 10 of the first connection part 1 so as to have a gap between an outer peripheral surface 22b of the tubular member 22 and an opening edge 10a of the inlet port 10 of the first connection part 1.Type: GrantFiled: February 28, 2007Date of Patent: June 21, 2011Assignee: Nifco, Inc.Inventors: Toshihide Kimisawa, Yasushi Ueki
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Publication number: 20110132825Abstract: A filtering device may includes a bag-shaped filter member that is capable of being connected to a fuel inlet port of a fuel pump disposed in a fuel tank in order to filtrate fuel drawn by the fuel pump, and a wall member that is connected to the filter member such that a fuel reservoir portion can be defined above the filter member.Type: ApplicationFiled: November 29, 2010Publication date: June 9, 2011Applicant: AISAN KOGYO KABUSHIKI KAISHAInventor: Toshio Nishio
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Patent number: 7950527Abstract: A method and apparatus for supporting a screen. The apparatus comprising a cylindrical screen for submerging in a fluid, the screen having an inlet pipe for connecting to a piping system, filter members, a first end, a second and a support structure. The support structure is one or more helical members which traverse the screen.Type: GrantFiled: February 1, 2006Date of Patent: May 31, 2011Assignee: Weatherford/Lamb, Inc.Inventors: Jay R. Osborne, Michael Ekholm, Dan Ganfield
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Patent number: 7901572Abstract: A filter apparatus F includes a bag-shape filter body and is attached in such a manner that an internal space of the filter body is connected to a fuel inlet in a fuel tank. The filter body includes two or more filter materials laminated each other. At least one of the filter materials is formed of an unwoven cloth having an average aperture diameter of 30 ?m or less. A filter material made of an unwoven cloth having a maximum aperture diameter of 100 ?m or less is disposed outside of the filter material made of the unwoven cloth having the average aperture diameter of 30 ?m or less.Type: GrantFiled: April 25, 2008Date of Patent: March 8, 2011Assignee: NIFCO Inc.Inventor: Hiroji Sato
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Publication number: 20100206793Abstract: A suction filter may comprise a bag-shaped filter member and a passage member. The passage member is disposed in an internal space of the filter member. The passage member has a fuel passage and a plurality of openings, and guides fuel from the internal space to the outside of the internal space. The openings communicate the internal space of the filter member to the fuel passage. When the passage member is cut along a surface thereof perpendicular to a longitudinal direction of the passage member in each of the openings, a position on an outer circumferential surface of the passage member in the cut surface, in which the distance between the outer circumferential surface and the filter member is the smallest, is distant in a circumferential direction from a position on the outer circumferential surface where the opening is formed.Type: ApplicationFiled: February 16, 2010Publication date: August 19, 2010Applicant: AISAN KOGYO KABUSHIKI KAISHAInventors: Toshihide Oku, Tetsuya Hara, Yoshinobu Kato
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Patent number: 7704464Abstract: Hydrocarbon processing devices and systems are constructed to modify the combustion characteristics of hydrocarbon fuels and emissions for the purpose of emissions reduction and to increase the overall performance characteristics of the engine. According to one exemplary embodiment, a catalytic device for processing a fluid containing hydrocarbons includes a reactive body formed of a plurality of metallic materials arranged in a layered structure. The plurality of metallic materials is formed of at least two different materials. The body has an inner core member having a first density and another region, that is formed along a longitudinal length of the rolled layered structure, has a second density which is less than the first density.Type: GrantFiled: September 19, 2005Date of Patent: April 27, 2010Assignee: 0783963 BC Ltd.Inventor: Jeffrey A. Stephenson
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Publication number: 20100072120Abstract: A filter apparatus F includes a bag-shape filter body and is attached in such a manner that an internal space of the filter body is connected to a fuel inlet in a fuel tank. The filter body includes two or more filter materials laminated each other. At least one of the filter materials is formed of an unwoven cloth having an average aperture diameter of 30 ?m or less. A filter material made of an unwoven cloth having a maximum aperture diameter of 100 ?m or less is disposed outside of the filter material made of the unwoven cloth having the average aperture diameter of 30 ?m or less.Type: ApplicationFiled: April 25, 2008Publication date: March 25, 2010Inventor: Hiroji Sato
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Publication number: 20090211959Abstract: A primary (48, 348, 648, 908) and secondary (50, 350, 650, 910) filter are combined into a single housing (42), and two elements are combined into a single element (46). The primary and secondary filters are fluidly isolated from each other. The primary filter is configured for radial flow, and the secondary filter is configured for axial flow. The filter arrangement can be a top load arrangement or, in another embodiment, a bottom load arrangement. This combination is useable in any system that has a filter upstream of a pump (44) and a filter downstream of a pump (14). The example described is a fuel system. Methods of servicing include simultaneously removing the housing cover along with both the primary and secondary filters.Type: ApplicationFiled: January 29, 2007Publication date: August 27, 2009Applicant: Donaldson Company, Inc.Inventors: Patrick J. Clint, John R. Hacker, Jodi Billy, Kurt b. Joscher
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Publication number: 20090050551Abstract: A filter device includes a first connection part 1 adapted to be connected to a fuel pump; a second connection part 21 adapted to be connected to a path for a returned portion of fuel; and a filter member 3 having an inner space 30 communicating with an inlet port 10 of the first connection part 1 and an outlet port 20 of the second connection part 2. A tubular member 22 has a leading edge 22a formed with the outlet port 20 of the second connection part 2. The leading edge 22a of the tubular member 22 is opened to be disposed in the inlet port 10 of the first connection part 1 so as to have a gap between an outer peripheral surface 22b of the tubular member 22 and an opening edge 10a of the inlet port 10 of the first connection part 1.Type: ApplicationFiled: February 28, 2007Publication date: February 26, 2009Applicant: NIFCO INC.Inventors: Toshihide Kimisawa, Yasushi Ueki
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Patent number: 7478729Abstract: A fuel-filtering device is disposed inside a fuel tank for filtering a fuel. The fuel-filtering device includes a filter body having a bag shape and a communication hole, and is formed of a plurality of laminated filter layers. The laminated filter layers includes an outside filter layer formed of a woven mesh, an inside filter layer formed of a non-woven fabric, and at least one intermediate filter layer disposed between the outside filter layer and the inside filter layer and formed of a non-woven fabric. The filter body is formed of at least one of a polyethylene fiber and a polypropylene fiber and has mesh sizes decreasing from the outside filter layer toward the inside filter layer.Type: GrantFiled: February 15, 2005Date of Patent: January 20, 2009Assignee: Nifco Inc.Inventors: Hiroji Sato, Kazumasa Kurihara, Yasutomo Kobayashi, Toshihide Kimisawa, Takeshi Kojima
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Publication number: 20080245724Abstract: A suction filter may comprise a filtration member and a connection member. The filtration member has an inner space. The connection member is configured to communicate the inner space of the filtration member and a fuel intake port of a fuel pump. The filtration member may have a tubular shape so that the filtration member surrounds a circumference of the fuel pump when the suction filter is connected to the fuel intake port of the fuel pump.Type: ApplicationFiled: March 27, 2008Publication date: October 9, 2008Inventors: Toshihide Oku, Tetsuya Hara
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Patent number: 7429322Abstract: A fuel tank used for a general-purpose engine comprises a hollow tank body for storing fuel and a filter disposed within the tank body. The tank body has a bottom with a trap having an internal surface portion lying in a first plane. The filter comprises a tubular body extending from the internal surface portion of the trap and a fluororesin element supported by the tubular body so that a main surface of the fluororesin element lies in a second plane disposed at an angle of inclination relative to the first plane. The fluororesin element has a property of not allowing water to pass therethrough but allowing fuel to pass therethrough.Type: GrantFiled: November 3, 2004Date of Patent: September 30, 2008Assignee: Honda Motor Co., Ltd.Inventors: Yasushi Fujita, Takashi Suzuki, Tetsuya Arai, Kazuhisa Ogawa