For Fuel System Patents (Class 210/416.4)
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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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Patent number: 7473355Abstract: A delivery device for a chemical additive is provided for an oil filter. A carrier supporting a chemical additive is arranged within a central opening of a pleated filter media. The carrier interlocks with a center tube, also arranged within the central opening, that supports that filter media. The carrier includes fingers that axially and radially locate the carrier to prevent movement of the carrier within the filter.Type: GrantFiled: November 15, 2005Date of Patent: January 6, 2009Assignee: Purolator Filters NA LLCInventors: L. Steven Cline, Jeremy J. Ramsey
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Patent number: 7473353Abstract: A fuel filter of an internal combustion engine has a filter housing in which water separated from the fuel may collect within the filter so as to permit collection of the largest possible quantity of separated water in the smallest possible overall volume. This fuel filter has a liquid line which leads out of an area of the filter housing that is exposed to fuel and in which separated water can settle out due to gravity into a water collecting chamber situated outside the filter housing. There is also an upper area of the water collecting chamber which is connected by a connecting line mounted there to a fuel delivery line of the internal combustion engine.Type: GrantFiled: August 31, 2005Date of Patent: January 6, 2009Assignee: Mahle Filtersysteme GmbHInventors: Riccardo Carlo Giolitti, Dierk Hoffmann, Thomas Weiser
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Patent number: 7468129Abstract: An oil-water separator for use in a trench, which surrounds an oilfield. The separator is positioned in the ground such that an inlet conduit extends at about the same level as the bottom of the trench. The trench water is admitted into the housing, where it contacts a plurality of buoyant oil-absorbing members, causing the oil particles to adhere to the surface of the oil-absorbing members. An outlet conduit located downstream from the oil-absorbing members is connectable to a pump to cause the oil-free water to be pumped from the housing and diverted away from the trench.Type: GrantFiled: November 7, 2006Date of Patent: December 23, 2008Inventor: Rene James Landry, Sr.
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Publication number: 20080283461Abstract: The invention relates to a filter, especially a fuel filter, comprising a housing of a suitable plastic material, consisting of an upper part and a lower part, and a concertinaed filter element arranged in the housing. Said housing separates an inlet from an outlet. The upper part is connected to the lower part by welding or the like. The front sides of the filter element are directly connected to the opposing front walls of the housing.Type: ApplicationFiled: November 23, 2006Publication date: November 20, 2008Applicant: FILTERTEK S.A.Inventor: Antonio Chiga
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Patent number: 7449109Abstract: In a device for separating water and filtering impurities out of liquid hydrocarbons or fuels, comprising a housing including a first vertically arranged hollow body receiving the coalescer element and a second vertically arranged hollow body receiving a fine filter, and the first and second hollow bodies are joined to one another via a flow-routing component, both being oriented perpendicularly to the horizontally arranged flow-routing component which has a relatively large volume and a configuration for quieting the fuel flow to enhance collection of water droplets in a collection chamber formed at the bottom of at the bottom of the flow-routing component from where the collected water can be discharged.Type: GrantFiled: January 3, 2007Date of Patent: November 11, 2008Assignee: Daimler AGInventor: Helmut Pichler
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Publication number: 20080251149Abstract: A fuel pump housing includes a body that has a bottom portion. A fuel filter is located adjacent the bottom portion, and contacts the body so that electricity, such as static electricity, is conducted between the body and the fuel filter. A ground connection dissipates, or limits, electricity in both the body and the fuel filter.Type: ApplicationFiled: April 2, 2008Publication date: October 16, 2008Applicant: TI AUTOMOTIVE (NEUSS) GMBHInventors: Matthias Boutros, Gunter Moll, Markus Wierling
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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
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Publication number: 20080197060Abstract: Double acting fuel filter unit comprising a first pre-filter (14) and a second fine filter element (140) connected in series by suitable conduits, wherein said first and second element are supported by the lower and upper opposing sides respectively of a single block (1) within which there are positioned: a pump (23, 24, 25) for priming the pre-filter with fuel, a first conduit (3) which connects the lower side of the block to the fuel tank, a second conduit (4) and a third conduit (6) which connect the upper side of the block to the compartment (2) of the priming pump (23, 24, 25), a fourth conduit (7) which connects the upper side of the block to the engine feed conduit, and a fifth conduit (70) which connects the upper surface of the block to the lateral surface thereof; to the lower surface of the block there being fixed a cup casing containing the pre-filter (14), and within which there open said first and second conduit upstream and downstream of the pre-filter 14 respectively; to the upper side of theType: ApplicationFiled: May 23, 2006Publication date: August 21, 2008Applicant: UFI FILTERS S.P.A.Inventor: Giorgio Girondi
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Publication number: 20080149559Abstract: A filter device includes a filtering member having a rough part, which is comparatively low in a density of flow pores for flowing fluid, and a dense part, which is comparatively high in the density of the flow pores. The filter device further includes a support member that supports the filtering member and has an inflow passage and a discharge passage. The dense part supports the rough part, and is located between the rough part and the discharge passage, and is supported by a mechanical pressure applied by the support members. The filter device is capable of supporting the filtering member easily in a case member and securing a filtering area to enhance the performance of removing a foreign matter.Type: ApplicationFiled: December 11, 2007Publication date: June 26, 2008Applicant: KYOSAN DENKI CO., LTD.Inventors: Hironobu Oki, Junko Amagai
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Publication number: 20080107549Abstract: A fuel pump and filter assembly includes a housing supporting a filter in a filter chamber, which is at least partially defined by first and second end walls, an outer wall extending therebetween, and an inner side wall disposed radially inwardly of the outer side wall. A fuel pump assembly is carried by the housing radially inwardly of the inner side wall and includes a sleeve that extends from the first end wall of the housing to the second end wall of the housing.Type: ApplicationFiled: November 8, 2006Publication date: May 8, 2008Inventors: Lynwood F. Crary, Antonio J. DaSilva, Peter P. Kuperus
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Patent number: 7350509Abstract: The invention relates to a delivery unit (2) comprising a swirl pot (5), a fuel pump (6) placed therein, and a filter, which is placed on the bottom (7) of the swirl pot (5) and which is radially flowed against. This filter is formed by shaped elements axially protruding from the bottom (7) of the swirl pot (5) whereby forming an axially extending gap (11, 11a, 11b) between every two adjacent shaped elements (10), and the filter surrounds an inlet opening (13) located in the bottom (7) of the swirl pot (5). At least one flow-through area (12) is situated perpendicular to the gaps (11, 11a, 11b) and perpendicular to the flow-through direction, this at least one area (12) connecting at least two adjacent gaps (11, 11a, 11b).Type: GrantFiled: January 27, 2005Date of Patent: April 1, 2008Assignee: Siemens AktiengesellschaftInventors: Torsten Barz, Joachim Hoffmann
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Publication number: 20080011248Abstract: The gas control system removes gas from a borehole by generating and collecting an air stream from the borehole using a blower, collecting the gas contained in the air stream using a fuel collector, removing moisture from the gas using a heated dryer, and transporting the gas from the heated dryer to an engine that is at least partially fueled by the gas. The gas control system can include one or more sensors that provide data associated with operating conditions of the gas control system. The sensor data is provided to a manager component, and can be used to evaluate system performance, determine consumption of greenhouse gases and optimize system operations.Type: ApplicationFiled: July 12, 2007Publication date: January 17, 2008Inventors: H. David Cutlip, Gary W. Disbennett
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Patent number: 7306715Abstract: A pump module includes a fuel pump, a fuel filter having a filter casing and a filter element, a fuel outlet, and a pressure regulator. The filter casing covers at least a part of the outer circumference of the fuel pump, and accommodates the filter element. The fuel outlet is disposed outside the outer circumference of the filter casing, and includes an outflow passage for flowing the fuel from a discharge opening disposed on a sidewall of the outer circumference of the filter casing. The outflow passage includes a retrieve passage extending from the discharge opening to the sidewall of the outer circumference of the filter casing. The pressure regulator is disposed outside the outer circumference of the filter casing, and includes a regulator inlet for introducing the fuel, the regulator inlet being opened to the retrieve passage.Type: GrantFiled: July 28, 2003Date of Patent: December 11, 2007Assignee: Denso CorporationInventors: Hideki Kato, Kouji Izutani, Katsuhisa Yamada, Masaaki Konishi
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Patent number: 7285213Abstract: The subject of the invention is a conveying unit (2) with a baffle (5), with a fuel pump (6) arranged therein and with a filter (14) which is arranged at the bottom (7) of the baffle (5) and which precedes an inlet orifice (8) arranged at the bottom (7) of the baffle (5). On that side of the baffle (5) which faces the tank bottom (9), ducts (11) are arranged, which are designed in such a way that fuel can flow from the circumference of the baffle (5) to the inlet orifice (8), and that shaped elements (13) forming filters (14) are arranged in the ducts (11).Type: GrantFiled: March 2, 2005Date of Patent: October 23, 2007Assignee: Siemens AktiengesellschaftInventor: Torsten Barz
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Patent number: 7279095Abstract: Fuel supply device (10) may comprise fuel pump (20) and suction filter (40) attached to a fuel intake port (36) of fuel pump (20). Suction filter (40) may have a sheet-shaped filter body (38) and an attaching member (29). Filter body (38) has an internal filter structure (40a, 40b), and attaching member (29) attaches filter body (38) to fuel intake port (36) such that internal filter structure (40a, 40b) communicates with fuel intake port (36). Filter body (38) may be folded over to form a multi-layered structure comprising an upper filter layer (38a) and a lower filter layer (38b). Folding over the sheet-shaped filter body (38) allows a filtration area of fuel supply device (10) to be increased while preventing an increase in the size of fuel supply device (10).Type: GrantFiled: April 22, 2005Date of Patent: October 9, 2007Assignee: Aisan Kogyo Kabushiki KaishaInventors: Takayuki Usui, Yoshiyuki Kasai, Kunio Takagi
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Publication number: 20070215122Abstract: To provide fuel supply apparatus for motor cycle can execute rapid jump traveling and accelerated drive just after the jump traveling. A fuel pump (P) and a fuel filter (F) connected to a pump suction path (Pa) of the fuel pump (P) are attached to a lid member (1) closing an opening portion (Ta) of a fuel tank (T), and the fuel pump (P) provided with the fuel filter (F) is arranged so as to be inserted into the fuel tank (T) via the opening portion (Ta). The fuel filter (F) is arranged with in a filters to rage case (C) surrounding an entire outer periphery of the fuel filter (F) in an approximately sealed manner, and a fuel supply hole (25) open to an inner side of the fuel tank (T) is pierced in a side wall (Cb1) along a gravity force direction (X) of the filter storage case (C).Type: ApplicationFiled: March 8, 2007Publication date: September 20, 2007Applicant: Keihin CorporationInventors: Mitsuyuki Nakagawa, Hidefumi Yoshida, Yasuhiro Koito
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Publication number: 20070199884Abstract: To provide a fuel supply apparatus which is preferably applied to a motorcycle having a flat-shaped fuel tank with a shallow fuel tank, a lower opening portion (Tb) open at a bottom portion (Ta) of a fuel tank (T) is closed by a lid member (1), a fuel pump (P) is attached to a stay (2) provided in a rising manner on the lid member (1), a longitudinal axis (X-X) of the fuel pump (P) is arranged approximately in parallel to the lid member (1), a pump discharge path (Pb) of the fuel pump (P) is arranged close to a discharge pipe (3) provided in a rising manner on the lid member (1) and is connected by a fuel discharge piping (5), and a filter (4) connected to a pump intake path (Pa) is arranged between the fuel pump (P) and the lid member (1).Type: ApplicationFiled: January 25, 2007Publication date: August 30, 2007Applicant: Keihin CorporationInventor: Mitsuyuki Nakagawa
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Publication number: 20070181102Abstract: A fuel feed apparatus connects with an injector and a reservoir tank. The reservoir tank is in upstream of the injector for accumulating fuel for the injector. A fuel pump press-feeds fuel in a fuel tank toward the reservoir tank in accordance with pressure in the reservoir tank. A press-feed pipe defines a fuel passage from the fuel pump to the reservoir tank. A branch pipe is provided to the press-feed pipe. The branch pipe defines a return passage that branches from the fuel passage. Fuel discharged from the fuel pump returns into the fuel tank through the return passage. A throttle unit is provided to the branch pipe for reducing a sectional area of the return passage. A relief valve is provided to the branch pipe for communicating the return passage when pressure in the return passage becomes equal to or greater than relief pressure.Type: ApplicationFiled: December 13, 2006Publication date: August 9, 2007Applicant: DENSO CORPORATIONInventor: Tadashi Hazama
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Publication number: 20070183911Abstract: A filter to be mounted in a valve seat member for filtering liquid is proposed which can be manufactured without a drawing step, thereby improving productivity and cost performance of a piston pump in which such a filter is mounted. The filter is a flat metal plate including a main body formed with a plurality of filter holes in a central portion thereof, and a plurality of projections integrally and radially outwardly extending from a perimeter of the main body so as to be circumferentially spaced apart from each other. The filter is pushed into a filter mounting hole formed in a valve seat member of a discharge valve in a piston pump with the projections bent toward the opening of the filter mounting hole while being pressed against the inner surface of the filter mounting hole under an elastic restoring force and fixed to the valve seat member.Type: ApplicationFiled: January 16, 2007Publication date: August 9, 2007Inventors: Junichi Maeda, Tomoo Harada
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Patent number: 7207320Abstract: A fuel pump unit (1) may comprise a fuel filter (10) and a fuel pump (30). The fuel filter (10) may comprise frames (14, 20) and filters (15, 22) that seal openings (16, 21) of the frames. A closed space (internal space) may be formed by the frames and the filters. The fuel pump (30) may comprise a suction port (32) and a discharge port (33). The fuel pump (30) draws in fuel through the suction port (32), pressurizes it, and discharges it from the discharge port (33). Preferably, the fuel pump (30) is substantially accommodated within the internal space of the fuel filter (10). The suction port (32) of the fuel pump (30) opens in the internal space of the fuel filter (10), and the discharge port opens outside the fuel filter (10).Type: GrantFiled: September 2, 2005Date of Patent: April 24, 2007Assignee: Aisan Kogyo Kabushiki KaishaInventor: Masaki Ikeya
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Patent number: 7198035Abstract: A supporting element (9) for supporting a fuel feed unit (2) on the bottom of a fuel tank has a curved element (13) having a supporting surface (17). The curved element (13) is fastened to the lower side of the fuel feed unit (2) and is manufactured as a single piece with a coarse filter (19). Fuel sucked up through the coarse filter (19) is guided over the curved element (13), so that dirt particles are retained at a tangential edge (14) of the supporting element (9).Type: GrantFiled: July 12, 2005Date of Patent: April 3, 2007Assignee: Siemens AktiengesellschaftInventors: Matthias Kadler, Klaus Markefka
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Patent number: 7182869Abstract: A fuel filter and vapor separator arrangement having at least one layer of liquid fuel permeable material defining at least one substantially enclosed cavity. The permeable material has at least one opening to provide fluid communication of liquid fuel within the cavity with an inlet of a high pressure fuel pump outside the cavity. A jet pump and/or fuel vapor vent is arranged relative to the cavity to facilitate the elimination of fuel vapor flowing to the high pressure fuel pump.Type: GrantFiled: October 7, 2004Date of Patent: February 27, 2007Assignee: TI Group Automotive Systems, L.L.C.Inventors: Dennis J. Catlin, Bryan J. Gettel, Ronald B. Kuenzli, Glenn A. Moss, Joseph M. Ross, Edward J. Talaski
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Patent number: 7134568Abstract: In a fuel tank system, a strainer chamber with a suction bore opened into its upper surface is provided in a collecting recess for collecting a residual fuel containing impure foreign substances such as dust and water, the collecting recess being provided in a bottom wall of a fuel tank. A fuel discharge pipe is connected to the strainer chamber. Fuel flow passages are provided outside the strainer chamber. Baffle plates are provided in front and in the rear of and outside the strainer chamber to guide the fuel flowing into the collecting recess during tilting of the fuel tank into the fuel flow passages. Thus, the impure foreign substances are prevented from entering the strainer chamber.Type: GrantFiled: May 20, 2005Date of Patent: November 14, 2006Assignee: Honda Motor Co., Ltd.Inventors: Hiroshi Moriyama, Takanori Sato, Tetsuya Arai
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Patent number: 7117855Abstract: A diesel fuel delivery system that maintains optimum fuel delivery to the engine despite the presence of an ice blockage at the fuel strainer. Ice formation in diesel fuel can cause fuel blockage at the fuel strainer and generate high vacuum conditions as the engine tries to draw fuel from the tank. A normally closed bypass valve automatically opens in response to an engine vacuum condition higher than normal engine vacuum levels. Upon the bypass valve opening, fuel is drawn through an auxiliary inlet port and line located above the ice formation in the tank.Type: GrantFiled: March 14, 2006Date of Patent: October 10, 2006Assignee: Delphi Technologies, Inc.Inventors: Bruce A. Kuehnemund, Jeffery W. Beyer
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Patent number: 7112278Abstract: Fuel passes through a fuel filter from the outer layer of the fuel filter toward the inner layer of the fuel filter. Large debris is arrested in the outer layer made of nonwoven fabric, and small debris is arrested in the inner layer made of filter paper, so that plugging is prevented. The fuel filter is inserted between a fuel pump and a sub-tank. The fuel pump is supported by the fuel filter via both a suction pipe and a fixing section. Vibration generated in the fuel pump is absorbed by the fuel filter which has sufficient thickness, so that the vibration is not transferred to the sub-tank. Thus, filtering performance and lifespan of the fuel filter are easily secured while decreasing vibration transfer.Type: GrantFiled: January 20, 2004Date of Patent: September 26, 2006Assignee: Denso CorporationInventors: Katsuhisa Yamada, Kouji Izutani
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Patent number: 7097693Abstract: A combination depth and phase separation membrane filter to remove entrained liquids and immiscible liquids from hydrocarbon liquids, protecting industrial analyzers from liquid and solid contamination, etc. The preferred embodiment of the present invention contemplates a combined phase separation membrane filter and horizontally mounted depth filter in a horizontally mounted head and bowl configuration. The system is configured specifically for horizontal mounting, specifically filter configuration and layout, with all fitting connections in the head for ease of service and compactness.Type: GrantFiled: July 31, 2003Date of Patent: August 29, 2006Assignee: Mayeaux Holding, LLCInventors: Donald P. Mayeaux, Valmond J. St. Amant, III
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Patent number: 7048851Abstract: A device for filtration of gas-oil intended to supply a diesel engine comprises an electric heating unit which includes a casing internally defining a chamber for heating the gas-oil to be filtered, a filtration unit which includes a casing internally defining a chamber for filtration of the heated gas-oil, means for connecting the heating and filtration chambers and means for assembly of the casings of the heating and filtration units. The connection means include means for directly and tightly connecting the chambers of the said units. The assembly means include means for detachable fixing of the casing of one of the heating and filtration units to the casing of the other of the said units, and means for retention in translation of one of the units relative to the other.Type: GrantFiled: September 18, 2002Date of Patent: May 23, 2006Assignee: Delphi Technologies, Inc.Inventor: Daniel Decaux
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Patent number: 7029582Abstract: A fuel filter device includes a first member made of a plastic and having a connecting portion to be connected to a fuel intake port, and a second member made of a plastic and assembled with the first member for forming an interior space communicating with the connecting portion. One or both of the first member and the second member are provided with a fuel intake portion, and a filter member having a single layer structure or a multi-layer structure in a sheet shape or a mat shape is disposed between the first member and the second member to cover the inflow portion from a side of the interior space. Accordingly, the filter device can be easily and adequately produced.Type: GrantFiled: June 23, 2004Date of Patent: April 18, 2006Assignee: NIFCO Inc.Inventors: Hiroji Sato, Hideaki Takahashi
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Patent number: 7014766Abstract: A filter element (4; 4?) for a fuel filter arrangement has a first end disk (15; 15?) and a second end disk (16; 16?) between which extends a return line (18; 35), each opening into an outlet opening (24; 24?) on the outside of the filter element (4; 4?). The fuel filter housing (2) for such a filter element (4; 4?) has a fuel connection (11) which opens in a guide tube (10) above a bottom area (7, 8) of the filter housing (2). A first filter sealing area (22) cooperates with a first housing sealing area (9) and a second filter sealing area (21) cooperates with a second housing sealing area (12).Type: GrantFiled: January 23, 2004Date of Patent: March 21, 2006Assignee: Mann & Hummel GmbHInventors: Klaus Mack, Kai Knickmann
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Patent number: 6998043Abstract: A fuel strainer assembly includes a filtration member and an inlet connector connected to the filtration member for connection to an inlet of a fuel pump. The fuel strainer assembly also includes a locking mechanism operatively supported by the inlet connector to operatively engage a shell of the fuel pump to secure the inlet connector to the fuel pump.Type: GrantFiled: December 15, 2004Date of Patent: February 14, 2006Assignee: Delphi Technologies, Inc.Inventors: John G. Fischer, Randall L. Dockery
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Patent number: 6974537Abstract: The diesel purifier produces a fuel of high purity that meets the full ignition requirements at the combustion chamber of the engine. The purifier comprises a purification chamber encapsulated by an external body of the unit wherein, the purification chamber has a barrier with conical and cylindrical parts surrounded by a filter, such that fuel flows from the unit inlet through a pipe to the conical part, further wherein the upper part of the unit has a relief valve, the lower part has a heating element, and a water sensor connectable to sound and light indicators at a cabin dash board, and at the bottom there is a drain valve and filter, which is secured at the outlet of the unit. The above purification process depends on causing of some differences in the density of contaminants which contributes towards the settling of heavy impurities and the light contaminants are separated by a wire filter assembly.Type: GrantFiled: November 19, 2003Date of Patent: December 13, 2005Inventor: Ali Hasan Hamdan Abdelqader
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Patent number: 6964265Abstract: A connecting structure for connecting a fuel filter and a fuel pump with an inlet. The connecting structure includes a joint bracket to be retained in the fuel tank, and a filter section formed with the fuel filter. The joint bracket includes a pump side connecting portion, and a filter side connecting portion and having a bottom portion with a first positioning hole. The filter section includes a bracket connecting portion abutting against the bottom portion and having a second positioning hole, and a communicating portion communicating with the fuel filter and connected to the fuel pump. A projection is formed at the fuel pump. When the fuel filter is attached to the fuel pump, the bracket connecting portion is attached to the bottom portion and the projection passes the first and second positioning holes and the inlet of the fuel pump is attached to the communicating portion.Type: GrantFiled: February 4, 2005Date of Patent: November 15, 2005Assignee: Nifco Inc.Inventor: Takashi Iwamoto
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Patent number: 6946071Abstract: The present device is a fuel supply device to pressurize and supply fuel F which is stored in a fuel tank 10, which comprises a fuel supply pipe 11 which forms a supply passage for the fuel F, a fuel filter 12 to filter the fuel F disposed at the midway of the fuel pipe 11 and below the fuel tank 10, a fuel pump 13 to pressure-feed the fuel F disposed at the downstream side than the fuel filter 12, and a venting pipe 15 to connect the downstream side of the fuel filter 12 and an upper air-space A of the fuel tank 10. The object is to provide the fuel supply device and the fuel filter utilized for the fuel supply device which can ensure the discharging amount of the fuel pump by satisfactory removing of vapor which is generated in the fuel sucked to the fuel pump.Type: GrantFiled: September 17, 2001Date of Patent: September 20, 2005Assignee: Mikuni CorporationInventors: Ryoji Ehara, Junichiro Takahashi, Shogo Hashimoto
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Patent number: 6939467Abstract: The invention relates to a filter module (23) for a fuel conveying unit (2) comprising a fuel pump (5) with two pump chambers (20, 21) which are independent of each other. A common filter area (24) is provided for the inlet areas (16, 17) of the pump chambers (20, 21). The filter module (23) has a connector (25) which can be inserted into a recess of a housing part (7). The configuration of the filter module (23) is particularly economical as a result.Type: GrantFiled: August 16, 2001Date of Patent: September 6, 2005Assignee: Siemens AktiengesellschaftInventors: Johannes Deichmann, Peter Marx, Peter Schuchardt
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Patent number: 6936168Abstract: A fuel strainer assembly includes a filtration member and an inlet connector connected to the filtration member for connection to an inlet of a fuel pump. The fuel strainer assembly also includes a push pad connected to the filtration member. The fuel strainer assembly further includes a compression retainer operatively supported by the push pad to engage the inlet connector to cause an interference fit between the inlet connector and the inlet of the fuel pump to secure the inlet connector to the fuel pump.Type: GrantFiled: December 13, 2004Date of Patent: August 30, 2005Assignee: Delphi Technologies, Inc.Inventors: Randall L. Dockery, Dale Jones
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Patent number: 6929742Abstract: In the case of a fine filter for a fuel feed unit of a motor vehicle, a filter element has at least two sections which surround the fuel feed unit concentrically. In the fitted state of the fine filter, the sections are fastened to the fuel feed unit and to a surge chamber. The filter element has proven particularly cost-effective and enables the use of a particularly small mesh width while requiring little space.Type: GrantFiled: April 11, 2002Date of Patent: August 16, 2005Assignee: Siemens AktiengesellschaftInventors: Bernrd Wehrum, Gerd Weise
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Patent number: 6913693Abstract: To provide an in-tank type fuel pump system capable of sharing a fuel filter among various mounting types of a fuel pump to a fuel tank. A fuel pump and a fuel filter are contained in a fuel tank. A discharge port of the fuel pump is connected to the fuel filter. A filter is contained in a main body of the fuel filter. A projecting portion is provided at one end of the main body, and a passage passing though the projecting portion is provided in the projecting portion. Fuel inlets are disposed at opposed ends of the passage in the direction of an axial line thereof. The discharge port is connected to either of the fuel inlets, and the other thereof is closed with a plug. A discharge passage passing through the main body is provided in the main body. Opening portions at both ends of the discharge passage in the direction of an axial line thereof are taken as fuel outlets. Either of the fuel outlets is selectively opened and the other is closed with a plug.Type: GrantFiled: March 22, 2002Date of Patent: July 5, 2005Assignee: Honda Giken Kogyo Kabushiki KaishaInventor: Hiroshi Unuki
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Patent number: 6887388Abstract: A vehicle having an engine, a fuel tank, and a pump encased in a housing. The pump is in fluid communication with the fuel tank and the engine. A filter is disposed intermediate the fuel pump and the engine. An electrical conductor having an inoperative position and an operative position is operatively associated with the pump. When the filter is installed, the electrical conductor contacts the pump housing to ground the pump allowing operation thereof.Type: GrantFiled: December 27, 2001Date of Patent: May 3, 2005Assignee: Federal-Mogul World Wide, Inc.Inventors: David E. Winn, Larry J. Tipton
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Patent number: 6881328Abstract: A method for directly evacuating water that has been separated from the filtered fuel in a fuel filter and has settled in a water collection chamber (4) of the fuel filter to an evacuation area that lies above the water level, by opening a shut-off valve (7), which leads to the exterior of the fuel filter and is connected in a water-conductive manner to the water collection chamber (4). Said evacuation takes place under a pressure that is higher in the water collection chamber (4) in relation to the evacuation area, whereby said pressure differential is created either by the operating pressure within the fuel filter during operation, or by a negative pressure that is applied externally. The method permits the simple evacuation of water form the interior of a fuel filter by a method that is not based on gravity. The inventive method can be implemented in a particularly advantageous manner, using specially configured fuel filters.Type: GrantFiled: May 15, 2002Date of Patent: April 19, 2005Assignee: Mahle Filtersysteme GmbHInventors: Jörg Dittmann, Matthias Gänswein, Edson Manzato, Frank Metz, Ricardo De Abreu
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Patent number: 6878275Abstract: A fuel filter arrangement includes a core member and a filter main body. The filter main body includes an inner filter and an outer filter, which is arranged at outside of the inner filter. A pore size of the outer filter is greater than a pore size of the inner filter. The inner filter is formed by immersing the core member in a high-density fiber solution and generating an inward flow of the high-density fiber solution through the core member. The outer filter is formed by immersing the core member, around which the inner filter is formed, in a low-density fiber solution and generating an inward flow of the low-density fiber solution through the core member and the inner filter.Type: GrantFiled: October 8, 2002Date of Patent: April 12, 2005Assignee: Denso CorporationInventor: Katsuhisa Yamada
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Patent number: 6869527Abstract: A filter facility includes a filter device received in a container and having a housing for receiving a number of filter particles. The housing includes a peripheral partition extended into the chamber from a bottom panel, and a plate disposed on top of the peripheral partition to form a compartment within the peripheral partition and the plate, and to form a peripheral space between the peripheral partition and a peripheral wall of the housing. The housing includes a number of apertures formed in the peripheral wall and the peripheral partition and the plate to increase a flowing area of the fluid through the housing.Type: GrantFiled: June 17, 2003Date of Patent: March 22, 2005Inventor: Kuen Hsien Lu
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Patent number: 6863814Abstract: A fuel feed apparatus is accommodated in a fuel tank. Hooking projection parts have claws formed on a fuel discharge side of a fuel pump. The claws are fitted and hooked in an opening formed on a filter case, so that the fuel pump is protected from dropping out from the filter case. The entire circumference of the fuel discharge side of the fuel pump is inserted with force into a press-insertion part formed in the filter case. A fuel suction side of the fuel pump is not supported by other parts, so it is in free condition.Type: GrantFiled: June 17, 2003Date of Patent: March 8, 2005Assignee: Denko CorporationInventors: Kenji Okabe, Hideki Narisako, Yoshio Ebihara, Kouji Izutani
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Patent number: 6852217Abstract: A filter with a cylindrical filter cartridge in which the filter cartridge has a recess 23, through which functional parts, such as a water level sensor 25 and a water discharge tube 24, can be inserted. This filter may be used, for example, as a fuel filter in which the separated water can be removed from the housing through the functional parts. The functional parts are arranged on a support member 26 and extended through the recess 23, 23a in the filter cartridge 19, and can be accommodated in a space saving manner on the housing cover 12. As a result, the fuel filter can be accommodated particularly in cramped installation spaces in the engine compartment of an internal combustion engine.Type: GrantFiled: June 15, 2001Date of Patent: February 8, 2005Assignee: Filterwerk Mann & Hummel GmbHInventors: Guenter Jokschas, Helmut Luka, Jochen Reyinger
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Patent number: 6846415Abstract: The fuel supply system has a fuel tank, a cup-shaped storage container in the fuel tank with a feed unit disposed in the storage container operable to pump fuel out of the storage container to an internal combustion engine (10) of the motor vehicle. A filter surrounds the feed unit over at least part of its circumference is disposed in the storage container, through which filter the fuel pumped by the feed unit to the engine flows. The filter is disposed in the storage container next to the feed unit, is embodied with a crescent-shaped curved cross section, and surrounds the feed unit over part of its circumference. The filter has a filter insert folded in star-shaped fashion.Type: GrantFiled: May 7, 2002Date of Patent: January 25, 2005Assignee: Robert Bosch GmbHInventor: Alfonso Baz
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Patent number: 6843913Abstract: The fuel filter housing (12) is formed of inlet segment (14) and outlet segment (16) that are telescopically mounted to each other, with a seal (44) positioned between the mounting flanges (38) and (40). Valve (60) is maintained displaced from its valve seat (58) by valve actuator (66), by the valve actuator engaging the perimeter of the filter (34). When the outlet housing segment (16) moves away from inlet housing segment (14), the filter and the valve actuator (66) also move, allowing the valve the close. The amplitude of movement of the valve (60) toward and away from its seat (58) is smaller than the sealed telescopic movement of the housing segments, so that the valve closes before the segments separate, thereby limiting the amount of fuel lost from the fuel filter assembly.Type: GrantFiled: September 5, 2003Date of Patent: January 18, 2005Inventor: Barry S. Grant
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Patent number: 6833070Abstract: A fuel strainer assembly includes a filtration member and an inlet connector connected to the filtration member for connection to an inlet of a fuel pump. The fuel strainer assembly also includes a locking mechanism operatively supported by the inlet connector to operatively engage a shell of the fuel pump to secure the inlet connector to the fuel pump.Type: GrantFiled: January 6, 2003Date of Patent: December 21, 2004Assignee: Delphi Technologies, Inc.Inventors: John G. Fischer, Randall L. Dockery
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Publication number: 20040251194Abstract: A strainer constructed for attachment to an inlet of a fuel pump has at least one layer of permeable material forming a cavity. A body is disposed at least in part in the cavity and has at least one tubular portion arranged for fluid communication with the inlet of the fuel pump to provide a substantially unrestricted flow path leading from the filter to the inlet of the fuel pump, while inhibiting vapor from entering the fuel pump.Type: ApplicationFiled: June 13, 2003Publication date: December 16, 2004Inventors: Marc A. Brzozowski, Daniel A. Gilmour, Wayne A. Ley
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Patent number: 6830687Abstract: A fuel strainer assembly includes a filtration member and an inlet connector connected to the filtration member for connection to an inlet of a fuel pump. The fuel strainer assembly also includes a push pad connected to the filtration member. The fuel strainer assembly further includes a compression retainer operatively supported by the push pad to engage the inlet connector to cause an interference fit between the inlet connector and the inlet of the fuel pump to secure the inlet connector to the fuel pump.Type: GrantFiled: January 21, 2003Date of Patent: December 14, 2004Assignee: Delphi Technologies, Inc.Inventors: Randall L. Dockery, Dale Jones