WO1997024531A1 - Aggregat zum fördern von kraftstoff - Google Patents
Aggregat zum fördern von kraftstoff Download PDFInfo
- Publication number
- WO1997024531A1 WO1997024531A1 PCT/DE1996/002072 DE9602072W WO9724531A1 WO 1997024531 A1 WO1997024531 A1 WO 1997024531A1 DE 9602072 W DE9602072 W DE 9602072W WO 9724531 A1 WO9724531 A1 WO 9724531A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insert
- unit according
- housing part
- housing
- pump chamber
- Prior art date
Links
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 a unit for delivering fuel according to the preamble of claim 1.
- Such an assembly is known from DE 40 20 521 AI.
- This unit has a flow pump, which has an impeller rotating in a pump chamber as a conveying means.
- the pump chamber is formed by a suction cover closing a pump housing on the suction side and an intermediate housing.
- Such housing parts are mostly made of metal, preferably anodized aluminum.
- the conveying means circulating between the housing parts is made of plastic and contains glass fiber elements to increase the strength. Even after a short period of operation, increased wear can occur in such a flow pump. In particular, dirt introduced from the outside can lead to abrasion of the anodized layer and the surface of the impeller.
- an aggregate for conveying fuel which has a pump chamber in which at least parts of the multi-part pump housing are made of ceramic material.
- a wear-resistant wall of the pump chamber can be created, which also has a can reduce unpleasant and unwanted noise.
- Such a pump chamber is provided for internal gear pumps.
- the geometrically simple housing parts for forming a pump chamber of the internal gear pump enable simple and inexpensive production from ceramic. This is not the case with flow pumps, since the housing parts forming the pump chamber have a relatively complicated geometric configuration.
- the unit according to the invention with the characterizing features of claim 1 has the advantage over the fact that a cost-effective design of a pump chamber can be given, which also has a long service life due to the at least one wear-resistant insert facing the conveying means.
- the areas of the pump chamber which are subject to heavy wear can be provided with wear-resistant inserts, so that, moreover, inexpensive materials can be used, which in most cases also enable simple manufacture.
- this embodiment of the invention has the advantage that an unpleasant and undesirable noise can be reduced.
- a highly wear-resistant insert can be created, which enables a long service life of the flow pump.
- the embodiment according to claim 3 enables geometrically complex housing parts to be produced inexpensively as injection molded parts made of plastic or metal to manufacture.
- the outer dimensions of the housing parts can correspond to the previous housing parts made of aluminum or metal, so that the housing parts designed according to the invention can also be processed without changing the assembly systems.
- the embodiment according to claim 10 offers the advantage that the delivery channel can be formed in the housing part, while the insert need only have an opening in the area of the delivery channel, which enables simple production of the insert.
- the design according to claim 11 allows easy attachment of the insert on the housing part.
- FIG. 1 shows a unit for delivering fuel with a flow pump shown in longitudinal section with a wear-resistant insert according to a first embodiment
- FIG. 2 shows a view according to arrow II in FIG. 1 of the wear-resistant insert
- FIG. 3 shows the flow pump in longitudinal section with the insert according to FIG a second embodiment
- Figure 4 the
- a unit shown in FIG. 1 is used to deliver fuel from a storage tank (not shown) to the internal combustion engine (also not shown) of a motor vehicle.
- the fuel delivery unit has one Flow pump 11 with a conveyor 12 in the form of an impeller, which is rotationally connected to a shaft 13 driven by an electric drive motor, not shown.
- the flow pump 11 can be designed as a peripheral pump or, as in the exemplary embodiment described below, as a side channel pump.
- the shaft 13 penetrates the impeller 12 and bears against a suction cover 16.
- the intake cover 16 closes the fuel delivery unit 10 on its intake-side end face.
- the impeller 12 is arranged in a pump chamber 7 which, viewed in the direction of the axis of rotation 15 of the impeller 12, is delimited on both sides by walls 18, 19.
- the flow pump 11 sucks fuel through an intake port
- the fuel delivery unit can be arranged inside the fuel tank or outside the fuel tank.
- the suction cover 16 is formed in two parts and has a wear-resistant insert 51, which is preferably made of ceramic.
- This insert 51 is received in a receptacle 52 of a housing section 53 of the suction cover 16 made of plastic.
- the receptacle 52 of the housing section 53 is essentially U-shaped and the insert 51 is inserted therein.
- the insert 51 can be non-positively and / or positively connected to the housing section 53.
- the insert 51 is inserted in the receptacle 52, clipped in, snapped in or partially encapsulated by the material of the housing section 53.
- the housing section 53 By forming the housing section 53 from plastic, it can also be produced in a simple manner, for example by injection molding, even with a complicated outer contour of the suction cover 16. This also has the advantage that the suction cover 16 can be processed in existing assembly systems without retrofitting.
- the insert 51 is essentially plate-shaped and in the first exemplary embodiment shown in FIG. 2 the insert 51 forms the entire wall 18 and has a conveying channel 41. Alternatively, it can also be provided that the insert 51 only partially forms the wall 18, while the remaining part of the wall 18 is formed by the housing section 53. In particular, the insert 51 forms the wall 18 where the impeller 12 is supported on the wall 18 in the direction of its axis of rotation 15 as a result of pressure forces occurring during the operation of the flow pump 11.
- the insert 51 can be arranged in a ring near the outer circumference of the impeller 12 outside the conveying channel 41 or in the form of a disk within the conveying channel 41.
- the insert 51 has bores 56 into which pins 57 of the housing section 53 engage to fix it.
- the insert 51 also has a bore 59 which is aligned with the intake port 26 so that fuel can flow into the pump chamber 17.
- the insert 51 can furthermore have a recess 58 into which the end of the shaft 13 dips.
- the intermediate housing 21 can also have a correspondingly designed insert 51. Due to the material combination of the impeller 12 made of plastic and at least one adjacent to this wall 18 or 19 made of ceramic, a wear-resistant design of the flow pump 11 can be created, which also prevents unpleasant and desired noise. It can be provided that the insert 51 is also made of other alternative wear-resistant material, so that a wear-resistant and noise-reducing effect is achieved in coordination with the material of the drive 12.
- the insert 51 is designed with a small thickness, so that it essentially forms only a wear-resistant contact surface for the impeller 12.
- the insert 51 can be designed, for example, as a coating applied to the housing section 53 of the suction cover 16.
- the insert 51 can also be designed as a thin plate which is connected to the housing section 53, for example from the plastic material of the
- the insert 51 consists of wear-resistant material, in particular ceramic.
- the insert 51 can have a thickness of approximately 0.1 mm to several millimeters. However, the is different from the first embodiment
- the conveying channel 41 is formed in the housing section 53 and the insert 51 need only have a correspondingly shaped opening 61 in the area of the conveying channel 41.
- the insert 51 has a through bore 59 through which the shaft 13 passes and the housing section 53 has the bore 58 into which the end of the shaft 13 is immersed.
- FIG. 4 shows an embodiment of the insert 51 according to a third exemplary embodiment.
- the insert 51 is plate-shaped.
- the conveyor channel 41 is formed in the housing part 53 and the insert 51 has a correspondingly shaped opening 61 in the region of the conveyor channel 41.
- the insert 51 consists of wear-resistant material, in particular ceramic.
- the insert 51 is held 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.
- the insert 51 can be fixed in a form-fitting manner, for example via at least one projection 64 of the housing section 53 which engages in this.
- the holding element 62 can, for example, as shown in FIG. 4, have a pin 65 which projects through a through bore 59 in the insert 51 and which is fixed, for example pressed, in a bore 58 in the housing section 53.
- the holding element 62 has a collar 68 which projects beyond the bore 59 and which extends in the direction of the axis of rotation 15 of the
- Impeller 12 is resiliently deformable.
- the collar 68 can have a plurality of radial slots, so that it is formed from a plurality of segments.
- the collar 68 sits with its edge on the side of the insert 51 facing away from the housing section 53 in the pretensioned state and holds the insert 51 in the direction of the axis of rotation 15 in contact with the housing section 53.
- the pin 65 can be hollow, in which the shaft 13 of the drive motor and the bottom 66 of the pin 65 serves as a support in the direction of the axis of rotation 15 for the shaft 13.
- the holding element 62 can be produced, for example, as a sheet metal part by deep drawing.
- the impeller 12 has a recess 72 toward the insert 51, into which the holding element 62 dips with its collar 68, so that the impeller 12 does not move in the direction of its axis of rotation 15 Holding element 62 but can come to rest on insert 51.
- a differently shaped resilient holding element can also be provided, by means of which the insert 51 is held against the housing section 53 under pretension.
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)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59610303T DE59610303D1 (de) | 1995-12-30 | 1996-10-31 | Aggregat zum fördern von kraftstoff |
BR9607304A BR9607304A (pt) | 1995-12-30 | 1996-10-31 | Equipamento para a extração de combustível |
US08/919,373 US6095771A (en) | 1995-12-30 | 1996-10-31 | Fuel-feed unit |
JP9523960A JPH11506817A (ja) | 1995-12-30 | 1996-10-31 | 燃料搬送ユニット |
EP96945361A EP0812393B1 (de) | 1995-12-30 | 1996-10-31 | Aggregat zum fördern von kraftstoff |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19549210.2 | 1995-12-30 | ||
DE19549210 | 1995-12-30 | ||
DE19634253A DE19634253A1 (de) | 1995-12-30 | 1996-08-24 | Aggregat zum Fördern von Kraftstoff |
DE19634253.8 | 1996-08-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997024531A1 true WO1997024531A1 (de) | 1997-07-10 |
Family
ID=26021804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1996/002072 WO1997024531A1 (de) | 1995-12-30 | 1996-10-31 | Aggregat zum fördern von kraftstoff |
Country Status (9)
Country | Link |
---|---|
US (1) | US6095771A (de) |
EP (1) | EP0812393B1 (de) |
JP (1) | JPH11506817A (de) |
KR (1) | KR100240785B1 (de) |
CN (1) | CN1125922C (de) |
BR (1) | BR9607304A (de) |
DE (2) | DE19634253A1 (de) |
RU (1) | RU2165546C2 (de) |
WO (1) | WO1997024531A1 (de) |
Families Citing this family (15)
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 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1528689A1 (de) * | 1965-12-11 | 1970-01-22 | Schlegel Werner | Verbesserte Turbinen-Fluessigkeitspumpe |
DE2154980A1 (de) * | 1971-11-05 | 1973-05-10 | Siemens Ag | Seitenkanalpumpe |
DE2335609A1 (de) * | 1973-07-13 | 1975-01-30 | Sero Pumpen Gmbh | Selbstansaugende kreiselpumpe |
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 |
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 |
Family Cites Families (9)
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 |
US3535051A (en) * | 1968-12-03 | 1970-10-20 | Ellicott Machine Corp | Recessed expeller vanes |
US3829238A (en) * | 1972-08-10 | 1974-08-13 | W Speck | Centrifugal pumps composed primarily of plastic components |
US4052133A (en) * | 1975-11-12 | 1977-10-04 | The Gorman-Rupp Company | Corrosion and abrasion resistant centrifugal pump |
US4913619A (en) * | 1988-08-08 | 1990-04-03 | Barrett Haentjens & Co. | Centrifugal pump having resistant components |
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 |
-
1996
- 1996-08-24 DE DE19634253A patent/DE19634253A1/de not_active Withdrawn
- 1996-10-31 US US08/919,373 patent/US6095771A/en not_active Expired - Fee Related
- 1996-10-31 RU RU97116517/06A patent/RU2165546C2/ru not_active IP Right Cessation
- 1996-10-31 BR BR9607304A patent/BR9607304A/pt not_active IP Right Cessation
- 1996-10-31 CN CN96192172A patent/CN1125922C/zh not_active Expired - Fee Related
- 1996-10-31 DE DE59610303T patent/DE59610303D1/de not_active Expired - Fee Related
- 1996-10-31 KR KR1019970705775A patent/KR100240785B1/ko not_active IP Right Cessation
- 1996-10-31 EP EP96945361A patent/EP0812393B1/de not_active Revoked
- 1996-10-31 JP JP9523960A patent/JPH11506817A/ja not_active Abandoned
- 1996-10-31 WO PCT/DE1996/002072 patent/WO1997024531A1/de not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1528689A1 (de) * | 1965-12-11 | 1970-01-22 | Schlegel Werner | Verbesserte Turbinen-Fluessigkeitspumpe |
DE2154980A1 (de) * | 1971-11-05 | 1973-05-10 | Siemens Ag | Seitenkanalpumpe |
DE2335609A1 (de) * | 1973-07-13 | 1975-01-30 | Sero Pumpen Gmbh | Selbstansaugende kreiselpumpe |
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 |
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 |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 008, no. 253 (M - 339) 20 November 1984 (1984-11-20) * |
PATENT ABSTRACTS OF JAPAN vol. 010, no. 191 (M - 495) 4 July 1986 (1986-07-04) * |
Also Published As
Publication number | Publication date |
---|---|
DE19634253A1 (de) | 1997-07-03 |
US6095771A (en) | 2000-08-01 |
RU2165546C2 (ru) | 2001-04-20 |
CN1176681A (zh) | 1998-03-18 |
CN1125922C (zh) | 2003-10-29 |
DE59610303D1 (de) | 2003-05-08 |
JPH11506817A (ja) | 1999-06-15 |
EP0812393B1 (de) | 2003-04-02 |
KR19980702377A (ko) | 1998-07-15 |
BR9607304A (pt) | 1997-11-25 |
EP0812393A1 (de) | 1997-12-17 |
KR100240785B1 (ko) | 2000-01-15 |
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