AU2002216903A1 - Fuel tank - Google Patents

Fuel tank

Info

Publication number
AU2002216903A1
AU2002216903A1 AU2002216903A AU1690302A AU2002216903A1 AU 2002216903 A1 AU2002216903 A1 AU 2002216903A1 AU 2002216903 A AU2002216903 A AU 2002216903A AU 1690302 A AU1690302 A AU 1690302A AU 2002216903 A1 AU2002216903 A1 AU 2002216903A1
Authority
AU
Australia
Prior art keywords
chambers
tank
compensating line
chamber
way
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2002216903A
Inventor
Dirk Bolle
Torsten Homburg
Reiner Viebahn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kautex Textron GmbH and Co KG
Original Assignee
Kautex Textron GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kautex Textron GmbH and Co KG filed Critical Kautex Textron GmbH and Co KG
Publication of AU2002216903A1 publication Critical patent/AU2002216903A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0076—Details of the fuel feeding system related to the fuel tank
    • F02M37/0088—Multiple separate fuel tanks or tanks being at least partially partitioned
    • F02M37/0094—Saddle tanks; Tanks having partition walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/54—Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03118—Multiple tanks, i.e. two or more separate tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven
    • F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2713—Siphons
    • Y10T137/2842—With flow starting, stopping or maintaining means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2713—Siphons
    • Y10T137/2842—With flow starting, stopping or maintaining means
    • Y10T137/2877—Pump or liquid displacement device for flow passage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/86075—And jet-aspiration type pump
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86187—Plural tanks or compartments connected for serial flow
    • Y10T137/86212—Plural compartments formed by baffles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86292—System with plural openings, one a gas vent or access opening
    • Y10T137/86324—Tank with gas vent and inlet or outlet

Abstract

A fuel tank for a motor vehicle defining at least two interconnecting with the intercommunication being by way of a tank region of smaller cross-section than the chambers, defining a saddle tank configuration. A first of the chambers contains a fuel delivery unit and a second of the chambers has a refuelling vent valve which is the only refuelling vent valve of the tank. The two chambers also communicate with each other by way of a compensating line on the basis of the principle of communicating vessels. The tank also has means for venting the compensating line. The compensating line is such that equalisation of the filling levels of the intercommunicating chambers is possible only when there is a drop in level from the second chamber to the first chamber.
AU2002216903A 2000-11-08 2001-10-27 Fuel tank Abandoned AU2002216903A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10055355A DE10055355C2 (en) 2000-11-08 2000-11-08 Fuel tank
DE10055355 2000-11-08
PCT/DE2001/004076 WO2002038409A1 (en) 2000-11-08 2001-10-27 Fuel tank

Publications (1)

Publication Number Publication Date
AU2002216903A1 true AU2002216903A1 (en) 2002-05-21

Family

ID=7662576

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002216903A Abandoned AU2002216903A1 (en) 2000-11-08 2001-10-27 Fuel tank

Country Status (8)

Country Link
US (1) US6607005B2 (en)
EP (1) EP1332065B1 (en)
JP (1) JP4173365B2 (en)
AT (1) ATE349352T1 (en)
AU (1) AU2002216903A1 (en)
CA (1) CA2427630A1 (en)
DE (2) DE10055355C2 (en)
WO (1) WO2002038409A1 (en)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3820949B2 (en) * 2001-10-02 2006-09-13 日産自動車株式会社 Fuel supply device with transfer pump
DE10237050B3 (en) * 2002-08-09 2004-04-15 Siemens Ag eductor
US6871640B2 (en) * 2003-03-18 2005-03-29 Ti Group Automotive Systems, Inc. Saddle tank siphon primer
DE10319660B4 (en) * 2003-05-02 2018-04-19 Robert Bosch Gmbh Device for conveying fuel from a reservoir to an internal combustion engine
US7051979B2 (en) * 2004-01-29 2006-05-30 The Boeing Company Auxiliary fuel tank systems for aircraft and methods for their manufacture and use
US7387111B2 (en) * 2004-06-24 2008-06-17 Ford Motor Company In-tank fuel supply unit with attachable jet pump assembly and filter
DE102004051890A1 (en) * 2004-10-26 2006-04-27 Daimlerchrysler Ag Saddle tank device for internal combustion engines of motor vehicles
US20060254654A1 (en) * 2005-05-10 2006-11-16 Oren Cotton Fuel tank overflow preventer
FR2890341B1 (en) * 2005-09-02 2008-10-24 Inergy Automotive Systems Res FUEL SYSTEM COMPRISING A FUEL RESERVE AND A RETENTION CONTAINER
DE102005056860A1 (en) * 2005-11-29 2007-05-31 GM Global Technology Operations, Inc., Detroit Fuel tank made of synthetic material for motor vehicles e.g. for passenger vehicles, has opening and swirl pot which is arranged in interior of container whereby edge of opening is firmly connected with edge of swirl pot
FR2901190B1 (en) 2006-05-16 2009-01-23 Inergy Automotive Systems Res LIQUID TANK AND METHOD FOR MANUFACTURING THE SAME
JP2010533294A (en) * 2006-07-12 2010-10-21 アクセンサー エービー Liquid level measuring device
DE102006035033A1 (en) * 2006-07-28 2008-01-31 GM Global Technology Operations, Inc., Detroit Venturi nozzle for guiding fuel into fuel tank, has fabric hose including end that is pulled over part of intake, where fabric hose is made of poylamide, and cross-section contraction provided between two pipes
ES2369288T3 (en) * 2006-10-20 2011-11-29 The Boeing Company FUEL BALANCING SYSTEM.
SE531867C2 (en) * 2007-02-26 2009-08-25 Scania Cv Abp Fuel tank arrangement for a vehicle
JP4575464B2 (en) * 2007-03-26 2010-11-04 本田技研工業株式会社 Vehicle fuel supply system
DE102007042278B4 (en) * 2007-09-06 2022-10-06 Kautex Textron Gmbh & Co. Kg fuel tank
JP4905312B2 (en) * 2007-10-01 2012-03-28 日産自動車株式会社 Fuel tank equipment
FR2926542A1 (en) * 2008-01-17 2009-07-24 Inergy Automotive Systems Res PROCESS FOR THE TRANSFER OF A LIQUID USING A PUMP
JP5133093B2 (en) * 2008-03-06 2013-01-30 本田技研工業株式会社 Vertical fuel tank
DE102008020400A1 (en) * 2008-04-24 2009-10-29 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Fuel tank
SE533259C2 (en) * 2008-12-05 2010-08-03 Scania Cv Abp Arrangements for transferring fuel from one or more secondary tanks to a main tank
RU2493977C2 (en) * 2008-12-12 2013-09-27 Вольво Ластвагнар Аб System of fuel tanks and vehicle equipped therewith
WO2010090165A1 (en) * 2009-02-05 2010-08-12 本田技研工業株式会社 Fuel tank
DE112010002923B4 (en) 2009-07-16 2016-02-04 Honda Motor Co., Ltd. Fuel tank
DE102009049799B4 (en) * 2009-10-16 2018-07-12 Kautex Textron Gmbh & Co. Kg Fuel tank for a car
SE534380C2 (en) * 2009-12-08 2011-08-02 Scania Cv Ab Device for supplying fuel to an engine
US20110192477A1 (en) * 2010-02-05 2011-08-11 Ford Global Technologies, Llc Passive-siphoning system and method
DE112011101159T5 (en) * 2010-03-31 2013-01-10 Honda Motor Co., Ltd. The fuel tank system
JP5158141B2 (en) * 2010-07-01 2013-03-06 株式会社デンソー Fuel supply device
DE102010043644A1 (en) * 2010-11-09 2012-05-10 Mahle International Gmbh Fuel supply system for use in internal combustion engine of motor car, has filter and pump arranged between tank areas, and another pump and another filter arranged between one of areas and engine, where former filter has water separator
EP2679429B9 (en) 2012-06-27 2016-08-17 Caterpillar Inc. Construction machines and fuel tanks for construction machines
US9086040B2 (en) 2012-10-17 2015-07-21 Ford Global Technologies, Llc Fuel system degradation test using two fuel tanks
US9522592B2 (en) * 2014-02-26 2016-12-20 GM Global Technology Operations LLC Fuel system venting configuration
US9829370B2 (en) * 2015-04-27 2017-11-28 Ford Global Technologies, Llc Methods and systems for fuel level indicators in a saddle fuel tank
DE102015219858A1 (en) * 2015-10-13 2017-04-13 Kautex Textron Gmbh & Co. Kg Operating fluid tank system for motor vehicles and method for filling a fuel tank of a working fluid tank system
DE102015221225A1 (en) * 2015-10-29 2017-05-04 Ti Automotive Technology Center Gmbh Fuel tank with additional reserve volume
DE102015221366A1 (en) * 2015-10-31 2017-05-04 Ti Automotive Technology Center Gmbh Saddle tank with slosh lock
WO2017167481A1 (en) * 2016-03-31 2017-10-05 Siemens Aktiengesellschaft Tank system and vehicle
DE102016004130A1 (en) 2016-04-05 2016-12-15 Daimler Ag Tank system for a motor vehicle
DE102016217800B4 (en) * 2016-09-16 2021-12-23 Vitesco Technologies GmbH Fluid delivery device
US10124791B2 (en) * 2016-12-14 2018-11-13 Ford Global Technologies, Llc Fuel pump control system for saddle fuel tanks
WO2018191798A1 (en) * 2017-04-17 2018-10-25 Volvo Truck Corporation System and method for balancing fuel levels among multiple fuel tanks
JP6708685B2 (en) * 2018-03-23 2020-06-10 日立建機株式会社 Work vehicle tank
JP6752248B2 (en) 2018-03-23 2020-09-09 日立建機株式会社 Work vehicle
US20220024298A1 (en) * 2018-12-28 2022-01-27 Tf Technologies, Llc Fuel measurement device with fuel passage and fuel level sensor
US11118540B2 (en) 2019-01-14 2021-09-14 Hamilton Sundstrand Corporation Vented tank systems and components
DE102019112741B3 (en) * 2019-05-15 2020-05-20 Ktm Ag Fuel tank arrangement with at least two separate tank bodies

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530819A (en) * 1947-05-27 1950-11-21 Jolene Corp Saddle tank for motor vehicles
US3021855A (en) * 1958-03-10 1962-02-20 Theodore R Cartwright Self-motivating automatic syphoning and equalizing tank system
US3083720A (en) * 1958-11-10 1963-04-02 Theodore R Cartwright Self-motivating automatic siphoning and equalizing tank system
JPH0413235Y2 (en) * 1985-09-13 1992-03-27
JPS6268129A (en) * 1985-09-18 1987-03-28 Nissan Motor Co Ltd Fuel inhaling device for fuel tank
ES2019064B3 (en) 1985-12-24 1991-06-01 Ford Motor Co FUEL TANK EQUALIZATION SYSTEM.
JPH0745856B2 (en) * 1988-12-23 1995-05-17 日産自動車株式会社 Fuel suction device for fuel tank
DE3915185C1 (en) * 1989-05-10 1990-10-04 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De
DE3932192C2 (en) * 1989-09-27 1995-04-06 Bayerische Motoren Werke Ag Fuel tanks for automobiles
US4951699A (en) * 1989-11-06 1990-08-28 Chrysler Corporation Fuel transfer system with aspirator
JP2844989B2 (en) * 1991-09-20 1999-01-13 トヨタ自動車株式会社 Liquid level equalizer for saddle type fuel tank
DE4301762C2 (en) * 1993-01-23 1995-05-04 Daimler Benz Ag Tank system
FR2709452B1 (en) * 1993-09-03 1995-10-27 Peugeot Fuel tank with two siphon pockets.
DE4400919A1 (en) * 1994-01-14 1995-07-20 Pierburg Gmbh & Co Kg Fuel suction from two chamber saddle tank
US5732684A (en) * 1994-09-22 1998-03-31 Ford Global Technologies, Inc. Automotive fuel delivery system with pressure actuated auxiliary fuel pump
WO1996023569A1 (en) * 1995-02-03 1996-08-08 Nippondenso Co., Ltd. Filter
US5979485A (en) * 1996-07-01 1999-11-09 Walbro Corporation Fuel tank level equalizer system
JP3902694B2 (en) * 1997-08-29 2007-04-11 富士重工業株式会社 Fuel vapor emission prevention device
US5983932A (en) * 1997-10-29 1999-11-16 General Motors Corporation Dual tank fuel system
DE19750036C2 (en) * 1997-11-12 1999-09-02 Mannesmann Vdo Ag Fuel delivery device
DE19846059A1 (en) * 1998-10-07 2000-04-20 Benteler Werke Ag Fuel supply system
DE19849820A1 (en) * 1998-10-29 2000-05-11 Kautex Textron Gmbh & Co Kg Fuel tank system for a motor vehicle
US6283142B1 (en) * 2000-02-04 2001-09-04 Robert Bosch Corporation Dual fuel delivery module system for bifurcated automotive fuel tanks
US6505644B2 (en) * 2000-06-09 2003-01-14 Delphi Technologies, Inc. Dual barrel jet fuel pump assembly for a fuel tank
US6371153B1 (en) * 2001-03-16 2002-04-16 Robert Bosch Corporation Dual fuel delivery module system for multi-chambered or multiple automotive fuel tanks

Also Published As

Publication number Publication date
DE10055355A1 (en) 2002-05-23
CA2427630A1 (en) 2003-05-01
WO2002038409A1 (en) 2002-05-16
EP1332065A1 (en) 2003-08-06
ATE349352T1 (en) 2007-01-15
JP4173365B2 (en) 2008-10-29
DE10055355C2 (en) 2003-07-10
US6607005B2 (en) 2003-08-19
EP1332065B1 (en) 2006-12-27
DE50111746D1 (en) 2007-02-08
US20020148510A1 (en) 2002-10-17
JP2004513018A (en) 2004-04-30

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