EP0812393B1 - Aggregat zum fördern von kraftstoff - Google Patents

Aggregat zum fördern von kraftstoff Download PDF

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Publication number
EP0812393B1
EP0812393B1 EP96945361A EP96945361A EP0812393B1 EP 0812393 B1 EP0812393 B1 EP 0812393B1 EP 96945361 A EP96945361 A EP 96945361A EP 96945361 A EP96945361 A EP 96945361A EP 0812393 B1 EP0812393 B1 EP 0812393B1
Authority
EP
European Patent Office
Prior art keywords
insert
unit according
housing part
housing
pump
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.)
Revoked
Application number
EP96945361A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0812393A1 (de
Inventor
Peter Schelhas
Lothar Krauter
Dietmar Schmieder
Harald Lang
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26021804&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0812393(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0812393A1 publication Critical patent/EP0812393A1/de
Application granted granted Critical
Publication of EP0812393B1 publication Critical patent/EP0812393B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4286—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps inside lining, e.g. rubber
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides

Definitions

  • the invention relates to an assembly for conveying Fuel according to the preamble of claim 1.
  • Such an assembly is known from DE 40 20 521 A1.
  • This unit has a flow pump that a a pump chamber rotating impeller as funding having.
  • the pump chamber is made by a pump housing suction cover and one Intermediate housing formed.
  • Such housing parts are mostly made of metal, preferably anodized aluminum manufactured.
  • the circumferential between the housing parts Funding is made of plastic and contains Increase in the strength of embedded glass fiber elements. Even after a short period of operation, such Flow pump an increased wear occur. In particular, dirt introduced from the outside can lead to a Abrasion of the anodized layer and the surface of the impeller to lead.
  • an aggregate for Pumping fuel which is a pump chamber has, in which at least parts of the multi-part structure Pump housing are made of ceramic material. This allows a wear-resistant wall of the Pump chamber are created, which also a can reduce unpleasant and unwanted noise.
  • a pump chamber is in internal gear pumps intended. Because of the geometrically simple design Housing parts to form a pump chamber Internal gear pump can be a simple and inexpensive Manufactured from ceramic. This is at Flow pumps are not given as the the pump chamber forming housing parts a relatively complicated have geometric configuration. It is also known from DE 15 28 689A a turbine liquid pump, in which the housing, the cover and the turbine are made of plastic Material are made and sliding surfaces made of stainless steel, chromed metal or the like and are firmly connected to the housing or cover.
  • the unit according to the invention with the characteristic Features of claim 1 has the advantage that an inexpensive design of a pump chamber can be given, which also has a long service life due to the at least one pointing to the funding has wear-resistant insert. This allows the areas subject to heavy wear Pump chamber with wear-resistant inserts, so that for the rest on inexpensive materials can be used, which is mostly also a simple one Enable manufacturing. At the same time, this shows Design according to the invention has the advantage that a reduces unpleasant and unwanted noise can be.
  • FIG. 1 shows an aggregate for conveying of fuel with one shown in longitudinal section
  • Figure 2 is a view Arrow II in Figure 1 on the wear-resistant insert
  • Figure 3 the flow pump in longitudinal section with the use according to a second embodiment
  • Figure 4 the flow pump in longitudinal section with the use according to a third embodiment.
  • a unit shown in Figure 1 is used to convey Fuel from a storage tank, not shown also not shown internal combustion engine one Motor vehicle.
  • the fuel delivery unit has one Flow pump 11 on with a funding 12 in the form of an impeller that is not with one by one shown electric drive motor driven shaft 13 is rotationally connected.
  • the flow pump 11 can as a peripheral pump or as described below Embodiment to be designed as a side channel pump.
  • the shaft 13 penetrates the impeller 12 and is against one Intake cover 16.
  • the intake cover 16 closes this Fuel delivery unit 10 on its intake side Face.
  • the impeller 12 is in a pump chamber 7 arranged in the direction of the axis of rotation 15 of the impeller 12 seen on both sides is delimited by walls 18, 19.
  • the flow pump 11 fuel through an intake port 26 in the intake cover 16 and presses this medium over one Pump outlet 28 in an intermediate housing 21 in a room 29, in which the drive motor, not shown is housed. From there, the fuel is over an outlet or pressure port 31 of the internal combustion engine fed.
  • the fuel delivery unit can within the Fuel tanks may be arranged or outside the Fuel tanks.
  • the intake cover 16 is according to one in FIGS. 1 and 2 illustrated first embodiment of the flow pump formed in two parts and has a wear-resistant Insert 51, which is preferably made of ceramic.
  • This Insert 51 is in a receptacle 52 made of plastic formed housing section 53 of the intake cover 16 added.
  • the receptacle 52 of the housing section 53 is in the Longitudinal section considered essentially U-shaped and the insert 51 is inserted in this.
  • the mission 51 can with the housing section 53 force and / or be positively connected.
  • the insert 51 is inserted in the receptacle 52, clipped in, snapped in or partially made of the material of the Housing section 53 is overmolded.
  • the housing section 53 made of plastic can also with a complicated outer contour of the intake cover 16 in a simple manner, for example by injection molding, getting produced. This also has the advantage that the suction cover 16 in already existing Assembly systems can be processed without retrofitting.
  • the insert 51 is essentially plate-shaped and the first shown in Figure 2
  • the insert 51 forms the entire wall 18 and has a delivery channel 41.
  • the insert 51 only partially the wall 18 forms, while the rest of the wall 18 through the Housing section 53 is formed.
  • the Insert 51 the wall 18 where the impeller 12 is due to from occurring during the operation of the flow pump 11 Compressive forces on the wall 18 in the direction of its axis of rotation 15 supported.
  • insert 51 may be close in a ring shape the outer circumference of the impeller 12 outside of Delivery channel 41 may be arranged or disc-shaped within the conveyor channel 41.
  • the insert 51 has Bores 56, into the pin 57 of the housing section 53 intervene to fix it.
  • the insert 51 points furthermore has a bore 59 which is connected to the intake port 26 is aligned so that fuel in the pump chamber 17th can flow in.
  • the insert 51 can also be a Have recess 58 into which the end of the shaft 13 dips.
  • the insert 51 executed with a small thickness, so that this essentially only a wear-resistant contact surface for forms the impeller 12.
  • the insert 51 can for example as one on the housing section 53 of the Suction cover 16 applied coating to be executed.
  • the insert 51 can also be used as a thin plate be formed, which is connected to the housing portion 53 is, for example, of the plastic material of the Housing section 53 is overmolded.
  • the insert 51 exists as in the first embodiment made of wear-resistant Material, especially ceramics.
  • the insert 51 can Thickness from about 0.1 mm to several millimeters.
  • the Insert 51 has a through hole 59 through which the shaft 13 passes through and the housing section 53 has the bore 58 in which the end of the shaft 13 dips.
  • FIG. 4 is an embodiment of the insert 51 according to a shown third embodiment.
  • the Insert 51 plate-shaped is formed in the housing part 53 and the insert 51 has in Area of the conveyor channel 41 a correspondingly shaped Breakthrough 61 on.
  • the insert 51 consists of wear-resistant material, especially ceramic.
  • the stake 51 is on the housing section 53 by means of a resilient Holding element 62 at least in the direction of the axis of rotation 15 of the Impeller 12 held. In the direction of rotation about the axis of rotation 15 can insert 51 form-fitting, for example at least one of these engaging projection 64 of the Housing section 53 to be fixed.
  • the holding element 62 can for example, as shown in FIG.
  • a pin 65 have the through a through bore 59 in use 51 protrudes through and in a bore 58 in Housing section 53 is fixed, for example pressed. At its end arranged outside the bore 58 points the holding element 62 protrudes beyond the bore 59 Collar 68 on the 15 in the direction of the axis of rotation Impeller 12 is resiliently deformable.
  • the collar 68 can have several radial slots, so that it from several segments is formed. The collar 68 sits with its edge on that facing away from the housing section 53 Side of the insert 51 in the prestressed state and holds the insert 51 in the direction of the axis of rotation 15 in the system Housing section 53.
  • the pin 65 can be hollow be, in which the shaft 13 of the drive motor can immerse and the bottom 66 of the pin 65 as Support in the direction of the axis of rotation 15 for the shaft 13 serves.
  • the holding element 62 can for example be a sheet metal part can be produced by deep drawing.
  • the impeller 12 has to the insert 51 a recess 72 in which the Holding element 62 dips with its collar 68, so that Impeller 12 not in the direction of its axis of rotation 15 Holding element 62 but come to rest on insert 51 can.
  • the holding element described above 62 can also be a differently shaped resilient holding element are provided, through which the insert 51 under Bias is held in contact with the housing section 53.

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)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP96945361A 1995-12-30 1996-10-31 Aggregat zum fördern von kraftstoff Revoked EP0812393B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19549210 1995-12-30
DE19549210 1995-12-30
DE19634253 1996-08-24
DE19634253A DE19634253A1 (de) 1995-12-30 1996-08-24 Aggregat zum Fördern von Kraftstoff
PCT/DE1996/002072 WO1997024531A1 (de) 1995-12-30 1996-10-31 Aggregat zum fördern von kraftstoff

Publications (2)

Publication Number Publication Date
EP0812393A1 EP0812393A1 (de) 1997-12-17
EP0812393B1 true EP0812393B1 (de) 2003-04-02

Family

ID=26021804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96945361A Revoked EP0812393B1 (de) 1995-12-30 1996-10-31 Aggregat zum fördern von kraftstoff

Country Status (9)

Country Link
US (1) US6095771A (ru)
EP (1) EP0812393B1 (ru)
JP (1) JPH11506817A (ru)
KR (1) KR100240785B1 (ru)
CN (1) CN1125922C (ru)
BR (1) BR9607304A (ru)
DE (2) DE19634253A1 (ru)
RU (1) RU2165546C2 (ru)
WO (1) WO1997024531A1 (ru)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19757580A1 (de) * 1997-12-23 1999-07-01 Bosch Gmbh Robert Seitenkanalpumpe mit Seitenkanal im Ansaugdeckel zur Vermeidung verlustbehafteter Wirbelstrukturen
US6402460B1 (en) * 2000-08-01 2002-06-11 Delphi Technologies, Inc. Abrasion wear resistant fuel pump
DE10038833A1 (de) * 2000-08-04 2002-02-14 Wilo Gmbh Pumpengehäuse mit Verbindungsstegen
US6604917B2 (en) * 2000-10-06 2003-08-12 Torrington Research Company Light-weight electric motor driven fluid pump assembly
US6435810B1 (en) * 2000-10-20 2002-08-20 Delphi Technologies, Inc. Wear resistant fuel pump
US6454521B1 (en) * 2000-11-15 2002-09-24 Delphi Technologies, Inc. Wear resistant fuel pump
US6623237B2 (en) * 2001-08-21 2003-09-23 Delphi Technologies, Inc. Wear resistant fuel pump
DE10200791A1 (de) 2002-01-11 2003-07-24 Pierburg Gmbh Seitenkanalpumpe
DE10327321A1 (de) * 2003-06-16 2005-01-13 Siemens Ag Als G-Rotorpumpe ausgebildete Verdrängerpumpe
JP4534677B2 (ja) * 2003-10-31 2010-09-01 株式会社デンソー 燃料ポンプ
DE102007025510A1 (de) * 2007-06-01 2008-12-04 Continental Automotive Gmbh Kraftstoffpumpe
DE102009008792A1 (de) * 2009-02-13 2010-08-19 Continental Automotive Gmbh Kraftstoffpumpe und Verfahren zur Fertigung einer Kraftstoffpumpe
RU2474728C1 (ru) * 2011-06-15 2013-02-10 Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" имени С.П. Королева" Вихревой электронасосный агрегат
DE102015213420A1 (de) 2015-07-16 2017-03-30 Continental Automotive Gmbh Kraftstoffförderpumpe
CN107091179A (zh) * 2017-06-10 2017-08-25 武汉中舟环保设备股份有限公司 一种船舶燃油驳运输送装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US34173A (en) * 1862-01-14 Improvement in water-meters
US3149574A (en) * 1961-09-28 1964-09-22 Lawrence Pumps Inc Ceramic lined pump
US3139831A (en) * 1962-08-28 1964-07-07 Ingersoll Rand Co Self-cleaning wearing ring for centrifugal pump pumping mixture of liquid and solid
DE1528689A1 (de) * 1965-12-11 1970-01-22 Schlegel Werner Verbesserte Turbinen-Fluessigkeitspumpe
US3535051A (en) * 1968-12-03 1970-10-20 Ellicott Machine Corp Recessed expeller vanes
BE790917A (fr) * 1971-11-05 1973-03-01 Siemens Ag Pompe a canal lateral
US3829238A (en) * 1972-08-10 1974-08-13 W Speck Centrifugal pumps composed primarily of plastic components
DE2335609A1 (de) * 1973-07-13 1975-01-30 Sero Pumpen Gmbh Selbstansaugende kreiselpumpe
US4052133A (en) * 1975-11-12 1977-10-04 The Gorman-Rupp Company Corrosion and abrasion resistant centrifugal pump
JPS59128993A (ja) * 1983-01-10 1984-07-25 Hitachi Ltd 渦流れ形ポンプ
JPS6135218A (ja) * 1985-02-25 1986-02-19 Hitachi Ltd 合成樹脂製ポンプの製造方法
US4913619A (en) * 1988-08-08 1990-04-03 Barrett Haentjens & Co. Centrifugal pump having resistant components
DE9102825U1 (de) * 1991-03-09 1992-07-09 Robert Bosch Gmbh, 7000 Stuttgart Aggregat zum Fördern von Kraftstoff aus einem Vorratstank zur Brennkraftmaschine eines Kraftfahrzeuges
DE4243225A1 (de) * 1992-12-19 1994-06-23 Pierburg Gmbh Brennstoffpumpe
US5592814A (en) * 1994-12-21 1997-01-14 United Technologies Corporation Attaching brittle composite structures in gas turbine engines for resiliently accommodating thermal expansion

Also Published As

Publication number Publication date
BR9607304A (pt) 1997-11-25
JPH11506817A (ja) 1999-06-15
US6095771A (en) 2000-08-01
KR19980702377A (ko) 1998-07-15
DE59610303D1 (de) 2003-05-08
RU2165546C2 (ru) 2001-04-20
KR100240785B1 (ko) 2000-01-15
CN1125922C (zh) 2003-10-29
DE19634253A1 (de) 1997-07-03
EP0812393A1 (de) 1997-12-17
WO1997024531A1 (de) 1997-07-10
CN1176681A (zh) 1998-03-18

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