US20040052654A1 - Fuel pump for a motor vehicle - Google Patents
Fuel pump for a motor vehicle Download PDFInfo
- Publication number
- US20040052654A1 US20040052654A1 US10/450,262 US45026203A US2004052654A1 US 20040052654 A1 US20040052654 A1 US 20040052654A1 US 45026203 A US45026203 A US 45026203A US 2004052654 A1 US2004052654 A1 US 2004052654A1
- Authority
- US
- United States
- Prior art keywords
- fuel
- fuel pump
- main stage
- stage
- electric motor
- 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
Links
Images
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
- F02M37/04—Feeding by means of driven pumps
- F02M37/18—Feeding by means of driven pumps characterised by provision of main and auxiliary pumps
-
- 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
-
- 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
- F02M37/106—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir the pump being installed in a sub-tank
Definitions
- the invention relates to a fuel pump for a motor vehicle, comprising a preliminary stage and a main stage for delivering the fuel to an internal combustion engine of the motor vehicle, and an electric motor for driving the preliminary stage and main stage.
- Fuel pumps of this type which are known for petrol or diesel fuel are frequently used in motor vehicles today.
- the fuel pump as a rule forms a pre-assemblable, structural unit together with a flange which is to be inserted into an opening in the fuel tank.
- the flange bears a connecting branch to which a forward-flow line leading to the internal combustion engine can be connected, and a connecting branch for a return-flow line leading back from the internal combustion engine.
- the fuel fed back from the internal combustion engine is subsequently fed to the fuel tank or to a surge chamber.
- the preliminary stage and the main stage are frequently designed in each case as a side-channel pump or peripheral pump, through which the flow passes axially, and are arranged together at that end of the electric motor which points towards the bottom region of the surge chamber.
- a shaft of the electric motor drives an impeller of the preliminary stage and an impeller of the main stage in each case.
- the preliminary stage and the main stage are arranged in a common housing together with the electric motor. The fuel delivered by the main stage flows through the electric motor.
- a further disadvantage resides in the fact that the fuel delivered by the main stage swirls as it flows through the electric motor. As a result, the fuel has the tendency to form vapor bubbles which, together with the fuel, form a foam which negatively affects the reliable supply of the internal combustion engine with fuel.
- the invention is based on the problems of designing a fuel pump of the type mentioned at the beginning in such a manner that the electric motor of the fuel pump is no longer thermally stressed by the fuel and a rapid and reliable supply of the internal combustion engine with fuel is ensured.
- the main stage of the fuel pump is connected directly to the forward-flow line to the internal combustion engine and is fluidly decoupled from the electric motor.
- the suction branch of the main stage has a connection to a component which is filled with fuel by the preliminary stage, in particular to a surge chamber or a fuel filter.
- One advantage of the fuel pump according to the invention resides in the fact that the volume of the forward-flow line between the main stage and the internal combustion engine can be kept very small.
- the air cushion in previous fuel pumps which forms in the electric motor between the forward-flow line and the main stage when the fuel pump is at a standstill is avoided. Therefore, when the internal combustion engine is started with a virtually empty fuel tank, a delay in the delivery of the fuel to the internal combustion engine is kept particularly small.
- fuel recycled to the surge chamber or the fuel tank from the internal combustion engine can be fed at a higher temperature, since, with renewed delivery through the main stage, the fuel which is now hot as a consequence of the heating is no longer guided through the electric motor, but directly into the forward-flow line.
- the main stage is arranged on that side of the electric motor which lies opposite the preliminary stage.
- this arrangement has the advantage of this fuel pump being very quiet, since the main stage which is primarily responsible for the formation of noise has been moved further away from the bottom of the fuel tank.
- the discharge line of the preliminary stage opens into a surge chamber approximately level with the main stage or above the suction branch. It is thereby ensured that, firstly, there is always a sufficient amount of fuel available in the surge chamber for the main stage, and that, secondly, the main stage is always filled with fuel, or at least immediately sucks in fuel during the starting procedure, and therefore delivers fuel without delay once the electric motor has started.
- sucking-in of foamed fuel foam present in the surge chamber can be largely avoided if the main stage has a suction line which is guided outside the electric motor into the bottom region of the surge chamber.
- the fuel pump according to the invention can be fitted in a particularly simple manner if the main stage has, on its side facing away from the electric motor, a flange having a respective connecting branch for the suction line and the forward-flow line of said main stage.
- the discharge line of the preliminary stage is advantageously guided through the electric motor.
- this at the same time enables the bearing points to be lubricated and the carbon-collector system to be cooled.
- it is crucial that the fuel fuel heated thereby and tending to give off gas is settled down again by the delivery to a component, with the result that bubble-free fuel is sucked in from this component via the suction branch of the main stage.
- the invention permits numerous embodiments. To further clarify its basic principle, two of these are illustrated in the drawings and are described below. In the drawings
- FIG. 1 shows a longitudinal section through a fuel pump
- FIG. 2 shows a longitudinal section through a different design of fuel pump.
- FIG. 1 There is arranged in FIG. 1 fuel pump 3 fitted in a surge chamber 2 arranged near to a bottom of a fuel tank 1 .
- the fuel pump 3 has a housing 4 which is manufactured from aluminum or steel and has an electric motor 5 arranged in it.
- the electric motor 5 serves for driving a preliminary stage 6 and a main stage 7 .
- the preliminary stage 6 is arranged near to a bottom of the surge chamber 2 , while the main stage 7 is situated on the opposite side of the electric motor 5 .
- the surge chamber 2 has, in its bottom region, an opening 8 into which the fuel pump 3 is inserted in a sealing manner.
- a respective fuel filter 9 , 10 is situated below the surge chamber 2 and in the upper region thereof.
- the preliminary stage 6 and the main stage 7 are designed as side-channel pumps and have a respective impeller 12 , 13 fastened on a shaft 11 of the electric motor 5 .
- the preliminary stage 6 is connected to the fuel filter 9 , which is arranged below the surge chamber 2 , via a suction line 14 and is connected to the surge chamber 2 via a discharge line 15 .
- the preliminary stage 6 When the preliminary stage 6 is being driven by the electric motor 5 , the preliminary stage 6 therefore sucks in fuel from the fuel tank 1 and delivers it into the surge chamber 2 .
- the discharge line 15 is guided here through the electric motor 5 and ends level with the main stage 7 .
- the main stage 7 has, on its side facing away from the electric motor 5 , a discharge branch 16 for a forward-flow line 17 and a suction branch 18 which is arranged on the circumference of the fuel pump 3 and is intended for a suction line 19 .
- the suction line 19 is guided into the bottom region of the surge chamber 2 and sucks in the fuel from there.
- the forward-flow line is guided upward within the fuel tank 1 .
- Fuel delivered via the forward-flow line 17 passes to an internal combustion engine (not illustrated) of the motor vehicle.
- Fuel which is not required is conducted via a return flow 20 into the surge chamber 2 . This fuel is delivered again to the internal combustion engine by the main stage 7 via the suction line 19 without again flowing through the electric motor 5 .
- FIG. 2 shows a structurally altered design of the fuel pump 3 according to the invention.
- the fuel pump 3 is arranged in a fuel tank 1 .
- the discharge line 15 of the preliminary stage 6 is guided through the electric motor 5 to a fine fuel filter 21 .
- the main stage 7 is a Gerotor pump.
- the branches 16 , 18 for the suction line 19 and the forward-flow line 17 are arranged on that side of the main stage 7 which faces away from the electric motor 5 .
- the fuel is sucked in from there through the suction branch 18 by the main stage 17 and is passed on to the internal combustion engine via the forward-flow line 17 .
- Fuel which is not required is conducted into the fuel tank 1 via a return flow 20 .
Abstract
The invention relates to a fuel pump (3) that is mounted in a fuel tank (1) of a motor vehicle. Said pump has a preliminary phase (6) and a principal phase (7), which are driven by an electromotor (5). The principal phase (7) lies directly in front of a flow pipe (17) to the internal combustion engine. The fuel that is transported by the principal phase (7) is taken in from a component (2, 21), into which the fuel of the preliminary phase (6) has been transported. As the principal phase (7) is located downstream of the electromotor (5), an impermissible heating of said electromotor is prevented. The fuel pump (3) also allows the starting times of the internal combustion engine to be extremely short.
Description
- The invention relates to a fuel pump for a motor vehicle, comprising a preliminary stage and a main stage for delivering the fuel to an internal combustion engine of the motor vehicle, and an electric motor for driving the preliminary stage and main stage.
- Fuel pumps of this type which are known for petrol or diesel fuel are frequently used in motor vehicles today. The fuel pump as a rule forms a pre-assemblable, structural unit together with a flange which is to be inserted into an opening in the fuel tank. In this case, the flange bears a connecting branch to which a forward-flow line leading to the internal combustion engine can be connected, and a connecting branch for a return-flow line leading back from the internal combustion engine. The fuel fed back from the internal combustion engine is subsequently fed to the fuel tank or to a surge chamber. In this connection, the preliminary stage and the main stage are frequently designed in each case as a side-channel pump or peripheral pump, through which the flow passes axially, and are arranged together at that end of the electric motor which points towards the bottom region of the surge chamber. A shaft of the electric motor drives an impeller of the preliminary stage and an impeller of the main stage in each case. The preliminary stage and the main stage are arranged in a common housing together with the electric motor. The fuel delivered by the main stage flows through the electric motor.
- One disadvantage of known fuel pumps is that fuel which is not required at the internal combustion engine, but is heated up by it, is recycled into the surge chamber via the return-flow line. During renewed delivery of this fuel by the fuel pump, the fuel continues to beheated, in particular in the main stage. This may lead to problems as a consequence of the low heat resistance of the electric motor, in particular of the carbon-collector system and of the adjacent, electric wiring. For this reason, the temperature of the fuel downstream of the main stage is limited to a permissible value, or the recycled fuel had to be cooled.
- A further disadvantage resides in the fact that the fuel delivered by the main stage swirls as it flows through the electric motor. As a result, the fuel has the tendency to form vapor bubbles which, together with the fuel, form a foam which negatively affects the reliable supply of the internal combustion engine with fuel.
- Furthermore, when the fuel pump is at a standstill, leakage between the main stage and preliminary stage of the fuel pump causes the fuel pump to drain, in which case the motor compartment of the fuel pump fills with air between the discharge outlet and the main stage. Furthermore, the surge chamber may drain over the same path until level with the main-stage bearing point. When the internal combustion engine is restarted, this results, as a consequence of the excessively low filling level in the surge chamber, in relatively long starting times or in misfires of the internal combustion engine.
- The invention is based on the problems of designing a fuel pump of the type mentioned at the beginning in such a manner that the electric motor of the fuel pump is no longer thermally stressed by the fuel and a rapid and reliable supply of the internal combustion engine with fuel is ensured.
- According to the invention, these problems are solved in that the main stage of the fuel pump is connected directly to the forward-flow line to the internal combustion engine and is fluidly decoupled from the electric motor. For this purpose, the suction branch of the main stage has a connection to a component which is filled with fuel by the preliminary stage, in particular to a surge chamber or a fuel filter.
- One advantage of the fuel pump according to the invention resides in the fact that the volume of the forward-flow line between the main stage and the internal combustion engine can be kept very small. In particular, the air cushion in previous fuel pumps which forms in the electric motor between the forward-flow line and the main stage when the fuel pump is at a standstill is avoided. Therefore, when the internal combustion engine is started with a virtually empty fuel tank, a delay in the delivery of the fuel to the internal combustion engine is kept particularly small. Furthermore, fuel recycled to the surge chamber or the fuel tank from the internal combustion engine can be fed at a higher temperature, since, with renewed delivery through the main stage, the fuel which is now hot as a consequence of the heating is no longer guided through the electric motor, but directly into the forward-flow line. An unnecessary heating-up of the electric motor is therefore prevented. This results in a particularly long life of the electric motor. Moreover, this design enables swirling by the electric motor of the fuel delivered by the main stage to be avoided, with the result that formation of foam in the forward-flow line is prevented. With the fuel pump according to the invention, a reliable supplying of the internal combustion engine with fuel is therefore ensured.
- In a particularly advantageous refinement of the invention, the main stage is arranged on that side of the electric motor which lies opposite the preliminary stage. In addition to reducing the length of the forward-flow line, this arrangement has the advantage of this fuel pump being very quiet, since the main stage which is primarily responsible for the formation of noise has been moved further away from the bottom of the fuel tank.
- In a further refinement of the invention, it is advantageous if the discharge line of the preliminary stage opens into a surge chamber approximately level with the main stage or above the suction branch. It is thereby ensured that, firstly, there is always a sufficient amount of fuel available in the surge chamber for the main stage, and that, secondly, the main stage is always filled with fuel, or at least immediately sucks in fuel during the starting procedure, and therefore delivers fuel without delay once the electric motor has started.
- According to another advantageous development of the invention, sucking-in of foamed fuel foam present in the surge chamber can be largely avoided if the main stage has a suction line which is guided outside the electric motor into the bottom region of the surge chamber.
- The fuel pump according to the invention can be fitted in a particularly simple manner if the main stage has, on its side facing away from the electric motor, a flange having a respective connecting branch for the suction line and the forward-flow line of said main stage.
- In another refinement, the discharge line of the preliminary stage is advantageously guided through the electric motor. In addition to the particularly low structural outlay for manufacturing the fuel pump according to the invention, this at the same time enables the bearing points to be lubricated and the carbon-collector system to be cooled. However, it is crucial that the fuel fuel heated thereby and tending to give off gas is settled down again by the delivery to a component, with the result that bubble-free fuel is sucked in from this component via the suction branch of the main stage. The invention permits numerous embodiments. To further clarify its basic principle, two of these are illustrated in the drawings and are described below. In the drawings
- FIG. 1 shows a longitudinal section through a fuel pump,
- FIG. 2 shows a longitudinal section through a different design of fuel pump.
- There is arranged in FIG. 1
fuel pump 3 fitted in asurge chamber 2 arranged near to a bottom of a fuel tank 1. Thefuel pump 3 has ahousing 4 which is manufactured from aluminum or steel and has anelectric motor 5 arranged in it. Theelectric motor 5 serves for driving apreliminary stage 6 and amain stage 7. Thepreliminary stage 6 is arranged near to a bottom of thesurge chamber 2, while themain stage 7 is situated on the opposite side of theelectric motor 5. Thesurge chamber 2 has, in its bottom region, anopening 8 into which thefuel pump 3 is inserted in a sealing manner. Arespective fuel filter surge chamber 2 and in the upper region thereof. When there is a sufficiently high level of fuel in the fuel tank 1, fuel can flow through theupper fuel filter 10 into thesurge chamber 2. For clarification purposes, the flows of fuel are indicated in the drawing by arrows. Thepreliminary stage 6 and themain stage 7 are designed as side-channel pumps and have arespective impeller shaft 11 of theelectric motor 5. - The
preliminary stage 6 is connected to thefuel filter 9, which is arranged below thesurge chamber 2, via asuction line 14 and is connected to thesurge chamber 2 via adischarge line 15. When thepreliminary stage 6 is being driven by theelectric motor 5, thepreliminary stage 6 therefore sucks in fuel from the fuel tank 1 and delivers it into thesurge chamber 2. Thedischarge line 15 is guided here through theelectric motor 5 and ends level with themain stage 7. - The
main stage 7 has, on its side facing away from theelectric motor 5, adischarge branch 16 for a forward-flow line 17 and asuction branch 18 which is arranged on the circumference of thefuel pump 3 and is intended for asuction line 19. Thesuction line 19 is guided into the bottom region of thesurge chamber 2 and sucks in the fuel from there. The forward-flow line is guided upward within the fuel tank 1. Fuel delivered via the forward-flow line 17 passes to an internal combustion engine (not illustrated) of the motor vehicle. Fuel which is not required is conducted via areturn flow 20 into thesurge chamber 2. This fuel is delivered again to the internal combustion engine by themain stage 7 via thesuction line 19 without again flowing through theelectric motor 5. - FIG. 2 shows a structurally altered design of the
fuel pump 3 according to the invention. Thefuel pump 3 is arranged in a fuel tank 1. Thedischarge line 15 of thepreliminary stage 6 is guided through theelectric motor 5 to afine fuel filter 21. Themain stage 7 is a Gerotor pump. Thebranches suction line 19 and the forward-flow line 17 are arranged on that side of themain stage 7 which faces away from theelectric motor 5. The fuel is sucked in from there through thesuction branch 18 by themain stage 17 and is passed on to the internal combustion engine via the forward-flow line 17. Fuel which is not required is conducted into the fuel tank 1 via areturn flow 20.
Claims (7)
1. Fuel pump for a motor vehicle, having a preliminary stage delivering into a component, preferably a surge chamber or a filter, having a main stage for delivering fuel via a forward-flow line to an internal combustion engine and an electric motor for driving the preliminary stage and main stage, characterized in that the main stage (7) sucks in fuel from the component (2, 21), and in that the main stage (7) is arranged directly upstream of the forward-flow line (17) to the internal combustion engine.
2. Fuel pump according to claim 1 , characterized in that the main stage (7) is arranged on a side of the electric motor (5) which lies opposite the preliminary stage (6).
3. Fuel pump according to either of claims 1 and 2, characterized in that a discharge line (15) of the preliminary stage (6) opens into the surge chamber (2) in the region of the main stage (7).
4. Fuel pump according to claim 3 , characterized in that the discharge line (15) of the preliminary stage (6) opens into the surge chamber (2) above the suction branch (18) of the main stage (7).
5. Fuel pump according to at least one of claims 1 to 4 , characterized in that the main stage (7) has a suction line (19) which is guided outside the electric motor (5) into the bottom region of the surge chamber (2).
6. Fuel pump according to at least one of claims 1 to 5 , characterized in that a discharge branch (16) and a suction branch (18) are arranged on the main stage (7), on its side facing away from the electric motor (5), preferably on a flange.
7. Fuel pump according to at least one of claims 1 to 6 , characterized in that the discharge line (15) of the preliminary stage (6) is guided through the electric motor (5).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10062452A DE10062452A1 (en) | 2000-12-14 | 2000-12-14 | Fuel pump for a motor vehicle |
DE10062452.9 | 2000-12-14 | ||
PCT/DE2001/004674 WO2002048535A1 (en) | 2000-12-14 | 2001-12-13 | Fuel pump for a motor vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
US20040052654A1 true US20040052654A1 (en) | 2004-03-18 |
Family
ID=7667222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/450,262 Abandoned US20040052654A1 (en) | 2000-12-14 | 2001-12-13 | Fuel pump for a motor vehicle |
Country Status (9)
Country | Link |
---|---|
US (1) | US20040052654A1 (en) |
EP (1) | EP1342002B1 (en) |
JP (1) | JP2004515705A (en) |
KR (1) | KR20030068554A (en) |
CN (1) | CN1481473A (en) |
BR (1) | BR0116137A (en) |
DE (2) | DE10062452A1 (en) |
ES (1) | ES2223009T3 (en) |
WO (1) | WO2002048535A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140224216A1 (en) * | 2013-02-11 | 2014-08-14 | Winfield Coachman | Anti-surge tank housed within a fuel vessel |
US11067044B2 (en) * | 2016-09-16 | 2021-07-20 | Vitesco Technologies GmbH | Fluid conveying device |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4875398B2 (en) * | 2006-04-21 | 2012-02-15 | 株式会社ケーヒン | Fuel supply module |
KR100974309B1 (en) * | 2008-08-22 | 2010-08-05 | 김명숙 | Cigar jack |
WO2014020865A1 (en) * | 2012-07-31 | 2014-02-06 | トヨタ自動車株式会社 | Fuel vapor processing apparatus |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3094272A (en) * | 1960-12-09 | 1963-06-18 | Trane Co | Motor-compressor apparatus |
US4558992A (en) * | 1982-11-06 | 1985-12-17 | Mitsubishi Denki Kabushiki Kaisha | Pump device |
US5111844A (en) * | 1991-10-28 | 1992-05-12 | General Motors Corporation | Automotive fuel system |
US6012904A (en) * | 1994-05-17 | 2000-01-11 | Walbro Corporation | Vented fuel module reservoir with two-stage pump |
US6397822B1 (en) * | 2000-04-18 | 2002-06-04 | Uis, Inc. | Integrated fuel system unit with two-stage marine fuel pump |
US6511298B2 (en) * | 2000-02-08 | 2003-01-28 | Toshiba Tec Kabushiki Kaisha | Electric motor pump with axial-flow impellers |
US6514053B2 (en) * | 2000-02-10 | 2003-02-04 | Toshiba Tec Kabushiki Kaisha | Motor-driven pump with a plurality of impellers |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9104511U1 (en) * | 1991-04-13 | 1992-08-13 | Robert Bosch Gmbh, 7000 Stuttgart, De | |
DE4425670C2 (en) * | 1994-07-20 | 2000-08-24 | Mannesmann Vdo Ag | Fuel supply unit for a motor vehicle with a diesel engine |
DE19530421A1 (en) * | 1995-08-18 | 1997-02-20 | Vdo Schindling | Conveyor unit |
US5809975A (en) * | 1996-05-06 | 1998-09-22 | Walbro Corporation | In tank fuel pump and reservoir with stand pipe |
DE19627581A1 (en) * | 1996-07-09 | 1998-01-15 | Pierburg Ag | Arrangement of a fuel pump |
-
2000
- 2000-12-14 DE DE10062452A patent/DE10062452A1/en not_active Withdrawn
-
2001
- 2001-12-13 DE DE50102559T patent/DE50102559D1/en not_active Expired - Fee Related
- 2001-12-13 ES ES01984705T patent/ES2223009T3/en not_active Expired - Lifetime
- 2001-12-13 WO PCT/DE2001/004674 patent/WO2002048535A1/en active IP Right Grant
- 2001-12-13 CN CNA018205321A patent/CN1481473A/en active Pending
- 2001-12-13 KR KR10-2003-7007416A patent/KR20030068554A/en not_active Application Discontinuation
- 2001-12-13 EP EP01984705A patent/EP1342002B1/en not_active Expired - Lifetime
- 2001-12-13 BR BR0116137-7A patent/BR0116137A/en not_active IP Right Cessation
- 2001-12-13 US US10/450,262 patent/US20040052654A1/en not_active Abandoned
- 2001-12-13 JP JP2002550227A patent/JP2004515705A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3094272A (en) * | 1960-12-09 | 1963-06-18 | Trane Co | Motor-compressor apparatus |
US4558992A (en) * | 1982-11-06 | 1985-12-17 | Mitsubishi Denki Kabushiki Kaisha | Pump device |
US5111844A (en) * | 1991-10-28 | 1992-05-12 | General Motors Corporation | Automotive fuel system |
US6012904A (en) * | 1994-05-17 | 2000-01-11 | Walbro Corporation | Vented fuel module reservoir with two-stage pump |
US6511298B2 (en) * | 2000-02-08 | 2003-01-28 | Toshiba Tec Kabushiki Kaisha | Electric motor pump with axial-flow impellers |
US6514053B2 (en) * | 2000-02-10 | 2003-02-04 | Toshiba Tec Kabushiki Kaisha | Motor-driven pump with a plurality of impellers |
US6397822B1 (en) * | 2000-04-18 | 2002-06-04 | Uis, Inc. | Integrated fuel system unit with two-stage marine fuel pump |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140224216A1 (en) * | 2013-02-11 | 2014-08-14 | Winfield Coachman | Anti-surge tank housed within a fuel vessel |
US9200603B2 (en) * | 2013-02-11 | 2015-12-01 | Coachman Performance, Llc | Anti-surge tank housed within a fuel vessel |
US11067044B2 (en) * | 2016-09-16 | 2021-07-20 | Vitesco Technologies GmbH | Fluid conveying device |
Also Published As
Publication number | Publication date |
---|---|
BR0116137A (en) | 2003-10-21 |
CN1481473A (en) | 2004-03-10 |
EP1342002A1 (en) | 2003-09-10 |
DE10062452A1 (en) | 2002-06-20 |
DE50102559D1 (en) | 2004-07-15 |
ES2223009T3 (en) | 2005-02-16 |
JP2004515705A (en) | 2004-05-27 |
WO2002048535A1 (en) | 2002-06-20 |
KR20030068554A (en) | 2003-08-21 |
EP1342002B1 (en) | 2004-06-09 |
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Legal Events
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AS | Assignment |
Owner name: SIEMENS AG, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:REINHARDT, ROLF;WERNER, THOMAS;REEL/FRAME:014722/0498 Effective date: 20030610 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |