EP1805408A1 - Kraftstoffpumpe und kraftstoffversorgungsanlage für eine brennkraftmaschine eines kraftfahrzeuges mit einer kraftstoffpumpe - Google Patents
Kraftstoffpumpe und kraftstoffversorgungsanlage für eine brennkraftmaschine eines kraftfahrzeuges mit einer kraftstoffpumpeInfo
- Publication number
- EP1805408A1 EP1805408A1 EP05796953A EP05796953A EP1805408A1 EP 1805408 A1 EP1805408 A1 EP 1805408A1 EP 05796953 A EP05796953 A EP 05796953A EP 05796953 A EP05796953 A EP 05796953A EP 1805408 A1 EP1805408 A1 EP 1805408A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- fuel pump
- impeller
- connecting channel
- pump according
- 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.)
- Granted
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
- F02M37/04—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
- F02M37/02—Feeding by means of suction apparatus, e.g. by air flow through carburettors
- F02M37/025—Feeding by means of a liquid fuel-driven jet pump
-
- 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
-
- 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
- F02M37/048—Arrangements for driving regenerative pumps, i.e. side-channel 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D5/00—Pumps with circumferential or transverse flow
- F04D5/002—Regenerative pumps
- F04D5/003—Regenerative pumps of multistage type
- F04D5/005—Regenerative pumps of multistage type the stages being radially offset
Definitions
- the invention relates to a fuel pump with a ⁇ exaggerated, a housing part opposing the impeller, which is arranged in the impeller, feln other concentrically umschlie- sequent rings of blade chambers limiting the guide vane, with the rims of the guide vanes in the casing part opposed, part-annular channels for the promotion of Fuel, with which verbun ⁇ with the part-annular channels which outlet channels, wherein the rings of the blade chambers and the partially annular channels form a radially inner winningkam ⁇ mer and a radially outer delivery chamber.
- the invention makes a fuel supply system for egg ⁇ ne internal combustion engine of a motor vehicle with such a fuel pump for sucking fuel from a fuel tank and delivering the fuel to the combustion engine Brenn ⁇ .
- the pumping chambers of the power ⁇ serve fuel pump for filling a baffle and for the care ⁇ the internal combustion engine supply of the motor vehicle with power ⁇ material.
- the impeller is usually mounted on a shaft of an electric motor and is driven in normal operation at a rated speed.
- the rated speed is in particular when starting the engine at low Tem ⁇ temperatures often not reliably achieved because the electric ⁇ motor is operated with a low voltage and therefore has only a low power output.
- the invention is based on the problem of designing a fuel pump of the type mentioned at the beginning in such a way that, even at a low rotational speed of the rotor wheel below the nominal rotational speed, it has a sufficiently high delivery rate of the inner
- a fuel supply system with such a fuel pump is to be provided, which ensures reliable delivery of the fuel at different rotational speeds of the rotor.
- the first problem is inventively achieved in that the radially outer delivery chamber is connected to the radially inner delivery chamber via a connecting channel.
- This configuration is capable fuel from the radially äuße ⁇ ren delivery chamber towards the radially inner delivery chamber überzu ⁇ flow when the pressure within the radially inner winning ⁇ drops chamber. Since at low speed of the impeller, the delivery rate in the radially outer delivery chamber drops much less than in the radially inner delivery chamber, thereby a reliable delivery of fuel in the two delivery chambers is ensured. Therefore, the fuel pump according to the invention can be operated at a speed below the rated speed with correspondingly low fuel requirement of the internal combustion engine without the risk of interruption of the delivery of the fuel.
- the fuel pump according to the invention designed to constructive ⁇ tiv particularly simple if the connection channel in the Ge ⁇ is arranged casing part and connects the partially annular ducts ⁇ ver.
- the production of the fuel pump according to the invention requires a particularly low cost when the connecting channel is formed as arranged in the housing part groove. Since the housing part of the fuel pump is usually already manufactured by sintering or by injection molding, the connecting channel can be produced by a structurally very simple change of the tool shape of the housing part.
- a pressure gradient between the radially outer delivery chamber and the radially inner delivery chamber can be a Ver ⁇ supply to the radially inner delivery chamber with fuel zuver ⁇ permeable make sure if the connecting channel of the radi ⁇ al outer feed chamber in the direction of rotation of the impeller viewed radially to the has inner delivery chamber. Since the pressure is usually greater in the radially outer delivery chamber than in the radially inner delivery chamber and also increases over the length thereof, it can be easily ensured by a suitable choice of Anschlus ⁇ ses of the connecting channel to the radially outer delivery chamber, which minimum pressure in the radially inward delivery chamber is adjusted.
- connection channel influencing the flows in the delivery chambers through the connection channel at rated speed can be easily avoided if the connections of the connection channel to the radially inner and the radially outer delivery chamber are laid so that at a rated speed of the impeller at both Connections the same pressure prevails. Since at low speed of the impeller, the pressure in the radially inner delivery chamber drops particularly strong, is characterized by this design of the
- connection of the connection channel to the outer delivery chamber requires a particularly low outlay if an initial section of the connection channel connected to the radially outer, partially annular channel is inclined at an angle ⁇ to the plane passing through the axis of rotation of the impeller. raden is inclined.
- connection of the connecting channel to the inner winningkam ⁇ mer requires according to another advantageous embodiment of the invention, a particularly low cost, when an opening into the radially inner, partially annular channel Endab ⁇ section of the connecting channel to an intended angle ß to run through the axis of rotation of the impeller straight ge ⁇ is prone.
- Turbulence in the delivery chambers when overflowing the fuel can be kept particularly low according to another advantageous embodiment of the invention, if the angle ⁇ and / or the angle ß amount to / is about 45 °.
- the length of the connecting channel can be according to a ande ⁇ ren choose freely and easily adjust the minimum pressure in the inner delivery chamber advantageous development of the invention, when the connecting channel concentrically zwi ⁇ rule arranged the part-annular channels having central portion.
- An influence of the flow in the connecting passage by friction on the impeller can be according to another embodiment of the invention in part vor ⁇ th particularly low HAL, when the impeller has a smooth surface in its the connecting channel gegenü ⁇ berograph area.
- the second-mentioned problem namely to provide a fuel supply system having such a fuel pump in which a reliable delivery of the fuel at un ⁇ teretzlichen speeds of the impeller is secured, is inventively achieved in that the radially outer delivery chamber with the internal combustion engine and the radially inner Delivery chamber is connected to a within the fuel tank to ⁇ ordered suction jet pump.
- the fuel pump can ultimately interpret ⁇ for the fuel demand of the internal combustion engine, wherein pe ensured by the connecting channel of the Kraftstoffpum ⁇ that the radially inner delivery chamber receives sufficient fuel.
- the fuel supply system according to the invention in which the delivery chambers of the fuel pump are connected via a connecting channel, particularly cost. Thanks to the invention, the dung OF INVENTION ⁇ modern fuel supply system has two channel-attached-making about the connects stages of which promotes exclusively the internal combustion engine and the other material exclusively force ⁇ within the fuel tank.
- the fuel supply system according to the invention has by a control device for controlling the power of the
- FIG. 1 shows schematically a fuel supply system with a fuel pump according to the invention
- Fig. 2 is a sectional view through the fuel pump of Figure 1 along the line II - II.
- FIG. 1 schematically shows a fuel supply system 1 for an internal combustion engine 2 of a motor vehicle having disposed in a fuel tank 3 delivery unit 4.
- the delivery unit 4 comprises a be in a surge pot 5 ⁇ arranged fuel pump 6 with a shaft driven by an electric motor 7 pump stage 8.
- the electric motor 7 is supplied via a control device 9 with electric current. Passes from the fuel pump 6 conveyed fuel via ei ⁇ ne flow line 10 to the internal combustion engine 2.
- the Prior ⁇ conduit 10 and electrical leads 11 of the electric motor 7 are guided by an inserted into the fuel tank 3 flange 12th
- the pump stage 8 is designed as a side channel pump and has an impeller 15 rotatably arranged between two housing parts 13, 14 and two delivery chambers 16, 17.
- the running ⁇ wheel 15 is rotatably mounted on a shaft 18 of the electric motor 7 and has two concentrically enclosing wreaths blade chambers bounding vanes 19, 20.
- the blade chambers form with oppositely arranged in the housing parts 13, 14, partially annular channels 21, 22 the Delivery chambers 16, 17.
- the radially inner delivery chamber 16 delivers fuel from the swirl pot 5 to a suction jet pump 23, while the radially outer delivery chamber 17 promotes ⁇ fuel from the swirl pot 5 by the electric motor 7 in the flow line 10.
- the suction jet pump 23 sucks in fuel via a pre-filter 24 from the fuel tank 3 and conveys it into the swirl pot 5.
- the originallykam ⁇ mers 16, 17 respectively penetrate the impeller 15 and therefore have in each of the housing parts 13, 14 arranged, partial ring ⁇ shaped channels 21, 22 on.
- inlets 25, 26 and outlets 27, 28 of the pumping chambers 16, 17 are rotated in the housing parts 13, 14 in the plane of the drawing illustrates ⁇ provided.
- the part-annular channels 21, 22 extend over an angular range of up to 340 °.
- Figure 2 shows one of the housing parts 14 of the pump stage 8, the fuel pump 6 of Figure 1.
- the direction of rotation of the impeller 15 is indicated by an arrow.
- Figure 2 shows that the partial ring ⁇ shaped channels 21, 22 mitein ⁇ via a connecting channel 29 are connected to the other.
- the connecting channel 29 is formed as arranged in the housing part 14 groove which is deeper than wide.
- the connecting channel 29 has an opening portion 30 connected to the outer part-annular channel 22 and an end portion 31 opening into the inner part-annular channel 21.
- the initial section 30 and the Endab ⁇ section 31 are a to the part-annular channels 21, 22 arranged in parallel, central portion 32 connected with one another.
- the starting portion 30 is inclined by the angle ⁇ and the end portion 31 is inclined by the angle ⁇ to the guided through the axis of rotation of the impeller 15 straight.
- the angles ⁇ and ⁇ are each 45 °.
- the connecting channel 29 is so on the part-annular
- connection channel 29 provides a remedy by diverting fuel from the radially outer delivery chamber 17 when the pressure in the radially inner delivery chamber 16 drops and maintaining the intended pressure in the radially inner delivery chamber 16. So that it enables ⁇ the fuel supply system 1 tung controlling the power output of the electric motor 7 through the Steuereinrich ⁇ 9 after the consumption of the internal combustion engine 2 to fuel.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004052439A DE102004052439A1 (de) | 2004-10-28 | 2004-10-28 | Kraftstoffpumpe und Kraftstoffversorgungsanlage für eine Brennkraftmaschine eines Kraftfahrzeuges mit einer Kraftstoffpumpe |
PCT/EP2005/054884 WO2006045686A1 (de) | 2004-10-28 | 2005-09-28 | Kraftstoffpumpe und kraftstoffversorgungsanlage für eine brennkraftmaschine eines kraftfahrzeuges mit einer kraftstoffpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1805408A1 true EP1805408A1 (de) | 2007-07-11 |
EP1805408B1 EP1805408B1 (de) | 2008-06-18 |
Family
ID=35414519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05796953A Not-in-force EP1805408B1 (de) | 2004-10-28 | 2005-09-28 | Kraftstoffpumpe und kraftstoffversorgungsanlage für eine brennkraftmaschine eines kraftfahrzeuges mit einer kraftstoffpumpe |
Country Status (8)
Country | Link |
---|---|
US (1) | US7658180B2 (de) |
EP (1) | EP1805408B1 (de) |
JP (1) | JP4235665B2 (de) |
KR (1) | KR100719646B1 (de) |
CN (1) | CN100420845C (de) |
DE (2) | DE102004052439A1 (de) |
ES (1) | ES2308561T3 (de) |
WO (1) | WO2006045686A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2016275B1 (de) | 2006-05-01 | 2011-11-02 | Continental Automotive Systems US, Inc. | Kraftstoffpumpe mit innenkanalvorfüllung |
US7588017B2 (en) | 2007-01-24 | 2009-09-15 | Continental Automotive Systems Us, Inc. | Low pressure jet by-pass system for fuel pump |
JP4978247B2 (ja) * | 2007-03-09 | 2012-07-18 | 株式会社デンソー | 燃料ポンプ |
DE102007038144A1 (de) * | 2007-08-13 | 2009-02-19 | Continental Automotive Gmbh | Seitenkanalpumpe zur Förderung von Kraftstoff in einem Kraftfahrzeug |
KR101283122B1 (ko) * | 2007-12-17 | 2013-07-05 | 기아자동차주식회사 | 가스연료차량의 터빈형 연료펌프 모듈 |
EP2433009A1 (de) | 2009-05-20 | 2012-03-28 | Edwards Limited | Parallel pumpender seitenkanalverdichter mit symmetrischer rotorscheibe |
US9249806B2 (en) | 2011-02-04 | 2016-02-02 | Ti Group Automotive Systems, L.L.C. | Impeller and fluid pump |
CN103047184A (zh) * | 2012-12-07 | 2013-04-17 | 芜湖市顺昌汽车配件有限公司 | 一种电动燃油泵 |
US9476370B2 (en) | 2014-02-20 | 2016-10-25 | Generac Power Systems, Inc. | Single point engine control interface |
KR102469955B1 (ko) * | 2020-11-24 | 2022-11-25 | (주)모토닉 | 터빈형 연료펌프 |
KR102499006B1 (ko) * | 2020-12-18 | 2023-02-14 | (주)모토닉 | 터빈형 연료펌프 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69621868T2 (de) * | 1995-03-31 | 2003-01-30 | Bitron S.P.A., Nichelino | Seitenkanalbrennstoffpumpe für Kraftfahrzeug |
DE19622560A1 (de) | 1996-06-05 | 1997-12-11 | Bosch Gmbh Robert | Aggregat zum Fördern von Kraftstoff aus einem Vorratsbehälter zur Brennkraftmaschine eines Kraftfahrzeugs |
DE19725249C2 (de) * | 1997-06-14 | 2002-05-02 | Siemens Ag | Förderpumpe |
DE19748448C2 (de) * | 1997-11-03 | 1999-12-09 | Mannesmann Vdo Ag | Peripheralpumpe |
WO2000043664A1 (de) | 1999-01-21 | 2000-07-27 | Robert Bosch Gmbh | Fördereinrichtung für kraftstoff |
DE19946024A1 (de) | 1999-01-21 | 2000-07-27 | Bosch Gmbh Robert | Fördereinrichtung für Kraftstoff |
DE10055344A1 (de) * | 1999-11-23 | 2001-05-31 | Mannesmann Vdo Ag | In einem Schwalltopf eines Kraftstoffbehälters eines Kraftfahrzeuges angeordnete Fördereinheit |
EP1103717B1 (de) | 1999-11-23 | 2005-03-23 | Siemens Aktiengesellschaft | In einem Schwalltopf eines Kraftstoffbehälters eines Kraftfahrzeuges angeordnete Fördereinheit |
DE10006622A1 (de) | 2000-02-15 | 2001-08-16 | Bosch Gmbh Robert | Kraftstoffversorgungseinrichtung für eine Brennkraftmaschine eines Kraftfahrzeugs |
JP2002054520A (ja) * | 2000-05-29 | 2002-02-20 | Mitsuba Corp | 燃料ポンプモジュール |
DE10138838B4 (de) | 2001-08-14 | 2006-01-26 | Siemens Ag | In einem Schwalltopf eines Kraftstoffbehälters eines Kraftfahrzeuges anzuordnende Fördereinheit |
US6932562B2 (en) * | 2002-06-18 | 2005-08-23 | Ti Group Automotive Systems, L.L.C. | Single stage, dual channel turbine fuel pump |
DE10246694B4 (de) * | 2002-10-07 | 2016-02-11 | Continental Automotive Gmbh | Seitenkanalpumpe |
JP2004218571A (ja) * | 2003-01-16 | 2004-08-05 | Aisan Ind Co Ltd | エンジンの燃料供給装置 |
-
2004
- 2004-10-28 DE DE102004052439A patent/DE102004052439A1/de not_active Withdrawn
-
2005
- 2005-09-28 JP JP2006511904A patent/JP4235665B2/ja not_active Expired - Fee Related
- 2005-09-28 KR KR1020067002295A patent/KR100719646B1/ko not_active IP Right Cessation
- 2005-09-28 ES ES05796953T patent/ES2308561T3/es active Active
- 2005-09-28 WO PCT/EP2005/054884 patent/WO2006045686A1/de active IP Right Grant
- 2005-09-28 EP EP05796953A patent/EP1805408B1/de not_active Not-in-force
- 2005-09-28 US US10/567,654 patent/US7658180B2/en not_active Expired - Fee Related
- 2005-09-28 DE DE502005004477T patent/DE502005004477D1/de active Active
- 2005-09-28 CN CNB2005800006806A patent/CN100420845C/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2006045686A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR100719646B1 (ko) | 2007-05-18 |
DE502005004477D1 (de) | 2008-07-31 |
US20080080964A1 (en) | 2008-04-03 |
CN1780978A (zh) | 2006-05-31 |
WO2006045686A1 (de) | 2006-05-04 |
DE102004052439A1 (de) | 2006-05-04 |
CN100420845C (zh) | 2008-09-24 |
ES2308561T3 (es) | 2008-12-01 |
KR20060055531A (ko) | 2006-05-23 |
EP1805408B1 (de) | 2008-06-18 |
US7658180B2 (en) | 2010-02-09 |
JP4235665B2 (ja) | 2009-03-11 |
JP2008518140A (ja) | 2008-05-29 |
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