EP2078155A2 - Dispositif de transport - Google Patents

Dispositif de transport

Info

Publication number
EP2078155A2
EP2078155A2 EP07820340A EP07820340A EP2078155A2 EP 2078155 A2 EP2078155 A2 EP 2078155A2 EP 07820340 A EP07820340 A EP 07820340A EP 07820340 A EP07820340 A EP 07820340A EP 2078155 A2 EP2078155 A2 EP 2078155A2
Authority
EP
European Patent Office
Prior art keywords
delivery unit
pump chamber
unit according
pump
rotor
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
EP07820340A
Other languages
German (de)
English (en)
Other versions
EP2078155B1 (fr
Inventor
Adam Wilhelm
Peter Weber
Johann Rothkopf
Mehmet Gueluem
Fevzi Yildirim
Thomas Wuensch
Reinhard Dittmann
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
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2078155A2 publication Critical patent/EP2078155A2/fr
Application granted granted Critical
Publication of EP2078155B1 publication Critical patent/EP2078155B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
    • F01C21/106—Stators; Members defining the outer boundaries of the working chamber with a radial surface, e.g. cam rings
    • 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
    • F02M37/045—Arrangements for driving rotary positive-displacement 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C2/3445—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the vanes having the form of rollers, slippers or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/13—Noise
    • 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
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber

Definitions

  • the invention relates to a winning order according to the preamble of claims 1 and 11.
  • the playeragregat invention with the characterizing features of claims 1 and 11 has the advantage that a deformation of the pump chamber by hydraulic forces or by Einpress theory is avoided by ribs are provided on the pump chamber remote from the outside of the peripheral wall and / or by a shoulder to Pressing the pump part is provided in the pump housing, which is formed so thin-walled that the pressing forces do not reach deformation of the end wall of the pump chamber.
  • the ribs according to claim 1 also reduces the area over which noises are transmitted from the track to the housing of the delivery unit. In this way, the noise behavior of the delivery unit is improved.
  • the ribs are advantageously arranged in the axial region of the pump chamber and increase in this way the strength of the peripheral wall.
  • FIG. 1 shows in section a delivery unit according to the invention and FIG. 2 shows a view of the pump part according to the invention according to FIG.
  • FIG 1 shows in section an inventive delivery unit.
  • the delivery unit has a pump housing 1 with at least one input channel 2 and an output channel 3.
  • the input channel 2 of the delivery unit is connected for example via a suction line 6 with a reservoir 7, in which, for example, fuel is stored.
  • the output channel 3 of the unit is connected via a pressure line 8, for example with an internal combustion engine 9.
  • the delivery unit is a roller-cell pump whose operation is known for example from DE 103 33 190 Al.
  • the pump housing 1 has a pump chamber 12, in which a rotor 13 is mounted eccentrically and rotatably.
  • the rotor 13 is driven in rotation by an actuator 14, for example an electric motor, via a drive shaft 15.
  • the pump chamber 12 is limited by two in the direction of a rotor axis 16 opposite end walls 19,20 and in the radial direction with respect to the axis 16 of a than
  • Track formed peripheral wall 18 The first end wall 19 is formed on the rotor 13 facing the inside of a lid 21 and the second end wall 20 on the rotor 13 facing the inside of a pump part 22.
  • the peripheral wall 18 is integrally formed on an annular collar 25 of the pump part 22.
  • the pump part 22 has at least one outlet 23 from the pump chamber 12.
  • a coating or a ring 26 may be provided on the inner side facing the pump chamber 12, which forms the raceway 24 for the sealing body 29 arranged in the rotor 13.
  • the peripheral wall 18 can expressly also form the track 24 itself.
  • a plurality of grooves 23 are arranged distributed over the circumference of the rotor 13.
  • the grooves 23 extend through the rotor 13 in the axial direction from one end face of the rotor 13 to the other end face.
  • the grooves 23 extend in each case from the outer periphery radially inward with two, for example, mutually parallel side edges and terminate in an example arcuate groove bottom 28.
  • a sealing body 29 is provided, which is for example designed as a cylindrical roller.
  • the sealing body 29 is movably mounted between the groove base 28 and the raceway 24. The sealing body 29 are moved during the rotation of the rotor 13 in the direction of the raceway 24 and are usually on the track 24 at.
  • the lid 21 and the pump part 22 are surrounded by a cylindrical housing wall 32.
  • the two parts 21,22 are frontally inserted into the housing 1, wherein the housing wall 32 is crimped and beaded at its lid 21 facing the end portion to the parts 21, 22 to be stored firmly in the housing 1.
  • FIG. 2 shows a side view of the pump part according to the invention according to FIG.
  • the circumferential wall 18 or the collar 25 with the raceway 24 is arranged eccentrically with respect to the rotor axis 16.
  • the housing 1 with the housing wall 32 is provided centrally with respect to the rotor axis 16.
  • the peripheral wall 18 or the collar 25 has, for example, a constant wall thickness over its circumference. Furthermore, the wall thickness of the peripheral wall 18 and the collar 25 is made comparatively small, in order to avoid an accumulation of material and the formation of voids.
  • the lid 21 and / or the pump part 22 are made for example of plastic by injection molding. - A -
  • ribs 34 are formed on the outer side 33 of the circumferential wall 18 or of the collar 25 facing away from the pump chamber 12.
  • the ribs 34 enhance the strength of the peripheral wall 18 and the collar 25, respectively, so that the pumping chamber 12 is not deformed by the hydraulic pressure load on the pumping chamber 12 or due to vibration, but maintains its predetermined shape.
  • the ribs 34 are arranged in the axial region of the pump chamber 12, for example, between the first end wall 19 and the second end wall 20. However, they can expressly extend beyond the second end wall 20. For example, they extend from the end 21 of the cover 21 of the pump part 22 over a predetermined length in the axial direction. In the radial direction with respect to the rotor axis 16, the ribs 34 extend from the outside 33 of the circumferential wall 18 to a housing wall 32.
  • the ribs 34 are distributed over the circumference of the peripheral wall 18 and the collar 25, for example, uniformly or non-uniformly and are spaced apart in the circumferential direction, so that recesses are formed between them.
  • At least one shoulder 40 is provided on the side of the end wall 20 facing away from the pump chamber 12 or facing the actuator 14, said shoulder being provided with the cylindrical one by means of an interference fit
  • Pump housing 1 is non-positively connected and which is formed so thin-walled that initiated via the shoulder 40 pressing forces do not reach deformation of the end wall 20 of the pump chamber 12.
  • This inventive design prevents the end wall 20 of the pump chamber 12 is deformed during the pressing of the pump part 22 into the pump housing 1. This could cause an increased friction on the rotor 13 or this could be completely blocked.
  • the wall thickness s of the at least one shoulder 40 is smaller by a multiple than the radius r of the pump housing 1, for example 5 to 10 times smaller.
  • the interference fit is mainly in the region of the shoulder 40 and not in the region of the pump chamber 12, so that the housing wall 32 of the pump housing 1 outside the shoulder 40 at most low forces on the pump chamber 12 exerts, however, cause no deformation of the pump chamber 12.
  • the at least one shoulder 40 is arranged, for example, radially outside the pump chamber 12.
  • a single shoulder 40 is provided which forms a closed ring.
  • the annular shoulder 40 may also be interrupted, so that a plurality of teilringf ⁇ rmige shoulders 40 are present.
  • the at least one shoulder 40 has on the side facing the pump housing 1 side not shown longitudinal ribs, for example, have Füschrrägen.
  • the embodiment with the at least one shoulder 40 may be provided as shown in Figure 1 in combination with the ribs 34 according to the invention. However, it is expressly also possible to carry out the at least one shoulder 40 according to the invention without the ribs 34 according to the invention being formed on the circumferential wall 18, 25.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

La présente invention concerne un dispositif de transport avec une chambre de pompe, dans laquelle un rotor est logé de façon rotative et qui est formée par une paroi périphérique et deux parois frontales. La paroi périphérique est formée sur un rebord annulaire d'un élément de pompe et forme une voie de déroulement sur le côté intérieur, des corps d'étanchéité d'un rotor se déroulant se déroulant sur cette voie. Une charge de pression importante s'exerce sur la voie de déroulement de la chambre de pompe, laquelle peut résulter en un bris de la voie de déroulement en cas de réalisation de l'élément de pompe en matière synthétique. L'agrégat de transport selon l'invention permet d'améliorer l'élément de pompe en termes de résistance et de longévité. Des déformations de l'élément de pompe dues à des forces hydrauliques ou des forces de pression sont évitées. Selon l'invention, des nervures (34) sont prévues sur le côté extérieur (33) de la paroi périphérique (18) opposé à la chambre de pompe (12), ou bien au moins un épaulement (40) est prévu sur le côté de la paroi frontale (20) opposé à la chambre de pompe, lequel épaulement (40) est relié par adhérence au boîtier de la pompe (1) à l'aide d'un ajustement serré et est réalisé avec une paroi si mince que les forces de pressions ne produisent pas de déformation de la paroi frontale de la chambre de pompe (12).
EP07820340.3A 2006-10-02 2007-09-19 Dispositif de transport Active EP2078155B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006046828 2006-10-02
DE102007011792A DE102007011792A1 (de) 2006-10-02 2007-03-12 Förderaggregat
PCT/EP2007/059896 WO2008040637A2 (fr) 2006-10-02 2007-09-19 Dispositif de transport

Publications (2)

Publication Number Publication Date
EP2078155A2 true EP2078155A2 (fr) 2009-07-15
EP2078155B1 EP2078155B1 (fr) 2018-07-04

Family

ID=39134582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07820340.3A Active EP2078155B1 (fr) 2006-10-02 2007-09-19 Dispositif de transport

Country Status (5)

Country Link
US (1) US8241023B2 (fr)
EP (1) EP2078155B1 (fr)
CN (1) CN101523042B (fr)
DE (1) DE102007011792A1 (fr)
WO (1) WO2008040637A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009000796A1 (de) * 2009-02-12 2010-08-19 Robert Bosch Gmbh Kraftstoffpumpe
DE102011008294B4 (de) * 2011-01-11 2015-01-22 Magna Powertrain Ag & Co. Kg Pumpe
JP6500587B2 (ja) * 2015-05-14 2019-04-17 株式会社デンソー 燃料ポンプ

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1974112A (en) * 1932-03-14 1934-09-18 Luelia C Johnson Rotary pump
US3865515A (en) * 1973-12-05 1975-02-11 Trw Inc Self adjusting tangency-clearance compressor with liquid purge capability
JPS5656979A (en) * 1979-10-17 1981-05-19 Ushio Kogyo Kk Vane type fluid motor
JPS58119959A (ja) 1982-01-12 1983-07-16 Nippon Denso Co Ltd モ−タ式燃料ポンプ
DE3223515A1 (de) * 1982-06-24 1983-12-29 Robert Bosch Gmbh, 7000 Stuttgart Aggregat zum foerdern von kraftstoff, insbesondere aus einem vorratstank zur brennkraftmaschine eines kraftfahrzeugs
CN2056455U (zh) * 1989-07-13 1990-04-25 张志雄 恒向流转子油泵
CN2303949Y (zh) * 1996-11-13 1999-01-13 高翔 自动补偿径向间隙的转子泵
US5997262A (en) 1997-04-10 1999-12-07 Walbro Corporation Screw pins for a gear rotor fuel pump assembly
DE19722226C2 (de) * 1997-05-28 2001-05-03 Mannesmann Vdo Ag Kraftstoffpumpe
CN2346963Y (zh) * 1998-05-28 1999-11-03 徐福生 星星齿轮喷雾泵
DE10115866A1 (de) 2001-03-30 2002-10-10 Bosch Gmbh Robert Aggregat zum Fördern von Kraftstoff
US6695604B1 (en) 2002-09-27 2004-02-24 Visteon Global Technologies, Inc. Automotive fuel pump gear assembly having lifting and lubricating features
US6666670B1 (en) * 2003-05-22 2003-12-23 Visteon Global Technologies, Inc. Power steering pump
DE10333190A1 (de) 2003-07-22 2005-02-24 Robert Bosch Gmbh Aggregat zum Fördern von Kraftstoff zu einer Brennkraftmaschine
DE102004005224A1 (de) * 2004-02-03 2005-08-18 Robert Bosch Gmbh Förderaggregat

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008040637A2 *

Also Published As

Publication number Publication date
DE102007011792A1 (de) 2008-04-03
WO2008040637A3 (fr) 2008-06-12
US20100008809A1 (en) 2010-01-14
CN101523042B (zh) 2013-04-24
US8241023B2 (en) 2012-08-14
WO2008040637A2 (fr) 2008-04-10
CN101523042A (zh) 2009-09-02
EP2078155B1 (fr) 2018-07-04

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