EP1876353A1 - Transferpumpe mit mehreren Kolben - Google Patents

Transferpumpe mit mehreren Kolben Download PDF

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Publication number
EP1876353A1
EP1876353A1 EP07290797A EP07290797A EP1876353A1 EP 1876353 A1 EP1876353 A1 EP 1876353A1 EP 07290797 A EP07290797 A EP 07290797A EP 07290797 A EP07290797 A EP 07290797A EP 1876353 A1 EP1876353 A1 EP 1876353A1
Authority
EP
European Patent Office
Prior art keywords
pistons
bellows
pump according
cam
piston
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
Application number
EP07290797A
Other languages
English (en)
French (fr)
Other versions
EP1876353B1 (de
Inventor
Philipe Bauer
David Humblot
Eric Meunier
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.)
Continental Automotive France SAS
Original Assignee
Continental Automotive France SAS
Siemens Automotive Hydraulics SA
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 Continental Automotive France SAS, Siemens Automotive Hydraulics SA filed Critical Continental Automotive France SAS
Publication of EP1876353A1 publication Critical patent/EP1876353A1/de
Application granted granted Critical
Publication of EP1876353B1 publication Critical patent/EP1876353B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/102—Mechanical drive, e.g. tappets or cams
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/02—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/442—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston means preventing fuel leakage around pump plunger, e.g. fluid barriers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
    • F04B43/084—Machines, pumps, or pumping installations having flexible working members having tubular flexible members the tubular member being deformed by stretching or distortion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
    • F04B43/10—Pumps having fluid drive
    • F04B43/107—Pumps having fluid drive the fluid being actuated directly by a piston
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for

Definitions

  • the subject of the present invention is a pump of the type known as a transfer pump, that is to say of the type comprising a mobile element pumping an aggressive liquid of the automotive fuel type, this mobile element being reciprocated by means of oil pumped by a hydraulic pump.
  • These electronic control means are, in general, solenoid valves controlled by the engine control computer.
  • the transfer pump according to the invention is of the type in which the mobile pumping element is a metal bellows alternately filled and emptied of hydraulic fluid at high pressure, the quantity of fuel admitted into the chamber in which said bellows moves being determined, upstream, by a solenoid valve controlled by the engine control computer, characterized in that it comprises at least two pump assemblies (bellows / piston) which are fed by a single intake circuit, common to both sets .
  • the pump according to the invention comprises two pistons 1a and 1b driven by two parallel cams 2a and 2b and carried by a shaft 3.
  • Each cam 2a and 2b has three lobes, arranged at 120 ° from each other (as shown in Figure 3).
  • each piston 1a and 1b displaces hydraulic fluid within a bellows 4a, 4b which elongates and retracts into a chamber 5a, 5b.
  • the interior of the bellows 4a, 4b receives hydraulic fluid which is put in high pressure when the piston 1 rises, high pressure which is communicated to the fuel in the chambers 5a, 5b.
  • the fuel is admitted into the two chambers 5a, 5b by means of a single feed circuit 6 which has two branches 6a, 6b.
  • the supply circuit 6 is connected by the orifice 7 to the tank through a solenoid valve 8 which measures the amount of fuel that can be introduced into the chambers 5a and 5b.
  • Two nonreturn valves 7a, 7b allow the fuel supplied by the pipe 6 to enter the chambers 5a, 5b and two check valves 9a, 9b allow the fuel discharged at high pressure by the bellows 4a, 4b to flow. in the single discharge pipe 10 to the discharge port 11.
  • the cams 2a and 2b are angularly offset by 60 °.
  • the discharge circuit is common to both pistons 1a and 1b; but the invention is not limited to this particular embodiment: it can have a discharge circuit 10a and 10b for each piston as shown in Figure 2 wherein the same elements have the same references.
  • FIG. 4 illustrates an alternative embodiment in which the same elements bear the same references.
  • an additional piston 1 m is symbolically represented by the connection 6 m of the pipe 6 and being connected in 10 m to the discharge pipe 10.
  • This representation is intended to demonstrate that it is possible to have, radially, a plurality "m" of pistons, around the cam 2.
  • the cams are cams with three lobes arranged at 120 ° from each other; but it should be noted that the invention is not limited to this particular example: the cam 2 may comprise one or more lobes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Reciprocating Pumps (AREA)
EP07290797A 2006-07-07 2007-06-27 Transferpumpe mit mehreren Kolben Not-in-force EP1876353B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0606240A FR2903456B1 (fr) 2006-07-07 2006-07-07 Pompe transfert a plusieurs pistons

Publications (2)

Publication Number Publication Date
EP1876353A1 true EP1876353A1 (de) 2008-01-09
EP1876353B1 EP1876353B1 (de) 2009-10-21

Family

ID=37311874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07290797A Not-in-force EP1876353B1 (de) 2006-07-07 2007-06-27 Transferpumpe mit mehreren Kolben

Country Status (7)

Country Link
US (1) US20080008605A1 (de)
EP (1) EP1876353B1 (de)
JP (1) JP2008014315A (de)
KR (1) KR20080005088A (de)
AT (1) ATE446450T1 (de)
DE (1) DE602007002849D1 (de)
FR (1) FR2903456B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009144060A1 (de) * 2008-05-30 2009-12-03 Robert Bosch Gmbh Kraftstoffhochdruckpumpe
WO2015055332A1 (en) * 2013-10-14 2015-04-23 Continental Automotive Gmbh High pressure pump
CN109882384A (zh) * 2019-04-01 2019-06-14 延边可喜安东洋电子有限公司 一种用于改善自然循环式水暖锅炉水流的活塞泵

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3003314B1 (fr) 2013-03-13 2017-12-08 Atmostat Boucle fluide diphasique a pompage mecanique
DE102013212302A1 (de) * 2013-06-26 2014-12-31 Robert Bosch Gmbh Hochdruckpumpe und Kraftstoffeinspritzanlage mit einer Hochdruckpumpe
DE102013213581A1 (de) 2013-07-11 2015-01-15 Mahle International Gmbh Wärmerückgewinnungssystem für einen Verbrennungsmotor
DE102013213575A1 (de) 2013-07-11 2015-01-15 Mahle International Gmbh Wärmerückgewinnungssystem für einen Verbrennungsmotor
DE102014217897A1 (de) * 2014-09-08 2016-03-10 Pressure Wave Systems Gmbh Kompressorvorrichtung, eine damit ausgerüstete Kühlvorrichtung und ein Verfahren zum Betreiben der Kompressorvorrichtung und der Kühlvorrichtung
DE102015004868A1 (de) * 2015-04-13 2016-10-13 Bernd Niethammer Pumpe für ein SCR-System in Fahrzeugen
US10895325B2 (en) 2015-09-29 2021-01-19 Kerr Machine Co. Sealing high pressure flow devices
US10670013B2 (en) 2017-07-14 2020-06-02 Kerr Machine Co. Fluid end assembly
US11536378B2 (en) 2015-09-29 2022-12-27 Kerr Machine Co. Sealing high pressure flow devices
US10648490B2 (en) * 2017-07-26 2020-05-12 Kerr Machine Co. Bellows system for fluid end
US11486502B2 (en) 2015-09-29 2022-11-01 Kerr Machine Co. Sealing high pressure flow devices
US11446004B2 (en) 2017-06-09 2022-09-20 Tokitae Llc Ultrasound systems and methods of identifying fluids in body regions using the same
US11536267B2 (en) 2017-07-14 2022-12-27 Kerr Machine Co. Fluid end assembly
US10962001B2 (en) 2017-07-14 2021-03-30 Kerr Machine Co. Fluid end assembly
US11708830B2 (en) 2017-12-11 2023-07-25 Kerr Machine Co. Multi-piece fluid end
WO2020123431A1 (en) 2018-12-10 2020-06-18 Kerr Machine Co. Fluid end
US11788527B2 (en) 2018-12-10 2023-10-17 Kerr Machine Co. Fluid end
USD916240S1 (en) 2018-12-10 2021-04-13 Kerr Machine Co. Fluid end
US11578710B2 (en) 2019-05-02 2023-02-14 Kerr Machine Co. Fracturing pump with in-line fluid end
DE102019208179A1 (de) * 2019-06-05 2020-12-10 Robert Bosch Gmbh Pumpe, insbesondere Kraftstoffhochdruckpumpe
KR102249159B1 (ko) * 2019-06-14 2021-05-07 한국하이액트지능기술 주식회사 유체 펌프
US11635068B2 (en) 2019-11-18 2023-04-25 Kerr Machine Co. Modular power end
US20220397107A1 (en) 2019-11-18 2022-12-15 Kerr Machine Co. Fluid end assembly
US11346339B2 (en) 2019-11-18 2022-05-31 Kerr Machine Co. High pressure pump
US11686296B2 (en) 2019-11-18 2023-06-27 Kerr Machine Co. Fluid routing plug
US11644018B2 (en) 2019-11-18 2023-05-09 Kerr Machine Co. Fluid end
US11578711B2 (en) 2019-11-18 2023-02-14 Kerr Machine Co. Fluid routing plug
US11920583B2 (en) 2021-03-05 2024-03-05 Kerr Machine Co. Fluid end with clamped retention
US11946465B2 (en) 2021-08-14 2024-04-02 Kerr Machine Co. Packing seal assembly
US11808364B2 (en) 2021-11-11 2023-11-07 Kerr Machine Co. Valve body

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1696825A (en) * 1924-02-19 1928-12-25 White John William Fuel pump
EP0089391A1 (de) * 1982-03-23 1983-09-28 International Business Machines Corporation Verfahren und Verdünnungskältemaschine zum Kühlen bei Temperaturen unter 1 K
WO2002097268A1 (de) * 2001-05-26 2002-12-05 Robert Bosch Gmbh Hochdruckpumpe für ein kraftstoffsystem einer brennkraftmaschine

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US1695825A (en) * 1925-02-24 1928-12-18 Schurmann Julius Electric fuse
US2959131A (en) * 1957-05-13 1960-11-08 Plenty And Son Ltd Pumps
JPH0996277A (ja) * 1995-10-02 1997-04-08 Unisia Jecs Corp ベローズポンプ
JPH11173259A (ja) * 1997-12-05 1999-06-29 Nippon Soil Kogyo Kk 流体圧送装置および流体圧送方法
JP2000329033A (ja) * 1999-05-21 2000-11-28 Denso Corp 燃料噴射ポンプ
JP2004251267A (ja) * 2002-04-03 2004-09-09 Borgwarner Inc 可変容積ポンプ及びその制御システム
DE60329182D1 (de) * 2002-07-11 2009-10-22 Continental Automotive Asniere Vorrichtung und Verfahren zur Regelung der Liefermenge einer Pumpe zur Benzindirekteinspritzung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1696825A (en) * 1924-02-19 1928-12-25 White John William Fuel pump
EP0089391A1 (de) * 1982-03-23 1983-09-28 International Business Machines Corporation Verfahren und Verdünnungskältemaschine zum Kühlen bei Temperaturen unter 1 K
WO2002097268A1 (de) * 2001-05-26 2002-12-05 Robert Bosch Gmbh Hochdruckpumpe für ein kraftstoffsystem einer brennkraftmaschine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009144060A1 (de) * 2008-05-30 2009-12-03 Robert Bosch Gmbh Kraftstoffhochdruckpumpe
WO2015055332A1 (en) * 2013-10-14 2015-04-23 Continental Automotive Gmbh High pressure pump
US10132311B2 (en) 2013-10-14 2018-11-20 Continental Automotive Gmbh High pressure pump
CN109882384A (zh) * 2019-04-01 2019-06-14 延边可喜安东洋电子有限公司 一种用于改善自然循环式水暖锅炉水流的活塞泵

Also Published As

Publication number Publication date
ATE446450T1 (de) 2009-11-15
FR2903456B1 (fr) 2008-10-17
EP1876353B1 (de) 2009-10-21
KR20080005088A (ko) 2008-01-10
JP2008014315A (ja) 2008-01-24
DE602007002849D1 (de) 2009-12-03
US20080008605A1 (en) 2008-01-10
FR2903456A1 (fr) 2008-01-11

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