EP1375901A1 - Procédé d'assemblage d'une pompe électrique, et amortisseur de vibrations pour une telle pompe - Google Patents
Procédé d'assemblage d'une pompe électrique, et amortisseur de vibrations pour une telle pompe Download PDFInfo
- Publication number
- EP1375901A1 EP1375901A1 EP03291331A EP03291331A EP1375901A1 EP 1375901 A1 EP1375901 A1 EP 1375901A1 EP 03291331 A EP03291331 A EP 03291331A EP 03291331 A EP03291331 A EP 03291331A EP 1375901 A1 EP1375901 A1 EP 1375901A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- cage
- tubular element
- pump body
- shock absorber
- 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
Images
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
- 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
- F02M37/103—Mounting pumps on fuel tanks
-
- 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
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/44—Filters structurally associated with 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
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/50—Filters arranged in or on fuel tanks
Definitions
- the present invention relates to a method of assembling a electric pump, in particular an electric fuel pump, a vibration damper for such a pump, and a pump obtained by this process.
- Such a fuel pump is used in particular in motor vehicles and is manufactured to be installed in a trap fuel placed inside a fuel tank.
- the pump itself comprises a pump body provided with an orifice suction, discharge port, and electrical terminals for its power supply.
- This pump body is at one of its ends connected to a strainer which communicates with the suction port.
- a casing is arranged around the pump body and serves to protect it and connect it to a fuel trap.
- a semi-rigid plastic cage is arranged on the pump body before mounting the housing on it.
- This cage has on all its periphery of the regularly spaced longitudinal lights. Thanks to this specific geometry, the transmission of vibrations is scaled down. In addition, this cage is also used for fixing the strainer on this set.
- the object of the invention is to remedy the drawbacks mentioned above by proposing a method of assembling a fuel pump which results in a pump whose vibration damping device is extremely simple, reliable and efficient, and which is not cumbersome.
- This process is characterized by the fact that after phase c) and before phase d), there is a tubular vibration-absorbing element on said cage, said tubular element further constituting a single connection between said cage and said pump housing.
- Another object of the invention is a vibration damper for electric pump obtained by the process defined above and comprising a pump body around which a cage is arranged.
- This shock absorber is characterized by the fact that it comprises an elastic tubular element having on its inner face protrusions able to cooperate with lights provided in said cage so as to constitute means for blocking the rotation of said tubular element with respect to said cage.
- Yet another object of the invention is an electric pump with fuel obtained according to the process of the invention.
- Yet another object of the invention is an electric pump with fuel comprising the shock absorber according to the invention.
- FIG. 1 shows an actual pump 1 which will not be described in detail since it is in itself well known to those skilled in the art.
- the pump comprises a generally cylindrical pump body 2 having at one of its ends a suction orifice 3 and at its opposite end a discharge port 4.
- an electric motor (not shown) which is powered by a electric current by electrical terminals 5, 6 projecting to one ends of the pump body 2 which are connected to a source electrical energy (not shown).
- This cage is constituted by a lower ring 8 and an upper ring 9 connected one to the other by longitudinal rods 10 regularly spaced so to form between them longitudinal lights 11 also regularly spaced.
- the lower ring 9 of the cage 7 is able to bear against a circular shoulder 12 at the lower end of the pump body 2.
- Figure 2 shows the cage 7 mounted on the pump body 2.
- the ring lower 9 of the cage 7 further comprises on its periphery two diametrically opposite U 13 conformations which on its faces outside form projections and on its inside faces form housings capable of receiving latching tabs 14 of an element filter in the form of a strainer 15.
- FIG 2 shows the strainer 15 before it is assembled to the cage and Figure 3 shows these elements after assembly.
- FIG. 3 also shows a tubular element 16 according to the invention capable of being placed on the cage 7 in order to constitute an element vibration damper.
- This damping element is manufactured in one elastic material such as rubber.
- This tubular element 16 further constitutes a connecting member single between the cage 7 and a pump casing 17 illustrated in FIGS. 4 and 5.
- This pump housing 17 completes the assembly of the pump. which then has the appearance illustrated in FIG. 5 and which is ready to be installed in a fuel trap (not shown) inside a tank fuel (not shown).
- the elastic tubular element 16 constituting the shock absorber vibrations between the cage 7 and the pump housing 17 has on its face inner protrusions 18 able to cooperate with the lights 11 of the cage 7 so as to constitute means for blocking the rotation of the tubular element 16 relative to the latter.
- protrusions 18 are preferably formed by folds longitudinal forming ribs whose length is adapted to the length of the lights 11 of the cage 7 so as to form means axial locking of the tubular element 16 relative to the cage.
- the tubular element 16 has on its outer face first latching means capable of cooperating with second latching means provided on the pump housing 16.
- the first latching means comprise two latching members 19 diametrically opposed on the outside of the tubular element and which respectively have a hook 20 directed outwards and able to project through a respective opening 21 provided in the casing pump 17.
- the pump housing 17 is conventionally provided with members fixing 22 of the assembly thus obtained in for example a trap fuel in a tank.
- a pump is thus obtained provided with a particularly simple vibration damping device since this device has only one piece which also makes function of connecting piece and which at the same time is very easy to ascend. Furthermore, the other elements used in the pump are standard parts, which means that the implementation of the invention is particularly economical.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vibration Prevention Devices (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
- Compressor (AREA)
Abstract
Description
- on bloque en rotation ledit élément amortisseur sur ladite cage ;
- on relie ledit élément amortisseur audit carter de pompe par encliquetage.
- lesdites protubérances sont constituées par des nervures dont la longueur est adaptée à la longueur desdites lumières de manière à former des moyens de blocage axial dudit élément tubulaire par rapport à ladite cage;
- ledit élément tubulaire comporte sur sa face extérieure des premiers moyens d'encliquetage aptes à coopérer avec des deuxièmes moyens d'encliquetage sur un carter dans lequel ledit élément tubulaire est susceptible d'être reçu ;
- lesdits premiers moyens d'encliquetage comportent deux organes d'encliquetage diamétralement opposés sur la face extérieure dudit élément tubulaire et présentant un crochet respectif dirigé vers l'extérieur et apte à faire saillie par une ouverture respective prévue dans ledit carter pour constituer lesdits deuxièmes moyens d'encliquetage ;
- l'élément tubulaire est en caoutchouc.
- la figure 1 est une vue en perspective illustrant une cage prête à recevoir un corps de pompe dans une première phase du procédé d'assemblage selon l'invention ;
- la figure 2 est une vue en perspective illustrant le corps de pompe reçu dans la cage de la figure 1, cette dernière étant prête à coopérer avec des bras de fixation d'un élément filtrant dans une deuxième phase du procédé d'assemblage selon l'invention ;
- la figure 3 est une vue en perspective illustrant le corps de pompe reçu dans la cage qui est reliée à l'élément filtrant et prête à recevoir un élément tubulaire amortisseur selon l'invention dans une troisième phase du procédé d'assemblage selon l'invention ;
- la figure 4 est une vue en perspective illustrant le corps de pompe reçu dans la cage qui est reliée à l'élément filtrant et entourée par l'élément tubulaire amortisseur de la figure 3 pour recevoir un carter de pompe dans une quatrième phase du procédé d'assemblage selon l'invention ;
- la figure 5 est une vue en perspective illustrant le corps de pompe reçu dans la cage qui est reliée à l'élément filtrant et entourée par l'élément tubulaire amortisseur qui à son tour est entouré par le carter de pompe pour ainsi former la pompe selon l'invention.
Claims (10)
- Procédé d'assemblage d'une pompe électrique, comprenant les phases suivantes :a) on constitue la pompe proprement dite (1) comportant un corps de pompe (2) pourvu d'un orifice d'aspiration (3), d'un orifice de refoulement (4), et de bornes électriques (5, 6) pour son alimentation en énergie ;b) on dispose une cage (7) autour dudit corps de pompe (2) ;c) on fixe à l'une des extrémités dudit corps de pompe (2) un élément filtrant (15) en le reliant à ladite cage (7) de sorte que ledit orifice d'aspiration (3) communique avec ledit élément filtrant (15) ; etd) on introduit l'ensemble ainsi obtenu dans un carter de pompe (17) et les relie l'un à l'autre ;
- Procédé d'assemblage selon la revendication 1, caractérisé par le fait qu'on bloque en rotation ledit élément amortisseur (16) sur ladite cage (7).
- Procédé d'assemblage selon la revendication 1 ou 2, caractérisé par le fait qu'on relie ledit élément amortisseur (16) audit carter de pompe (17) par encliquetage (19 à 21).
- Amortisseur de vibrations pour pompe électrique (1) obtenue par le procédé selon l'une quelconque des revendications 1 à 3 et comportant un corps de pompe (2) autour duquel est disposée une cage (7), caractérisé par le fait que ledit amortisseur comprend un élément tubulaire élastique (16) comportant sur sa face intérieure des protubérances (18) aptes à coopérer avec des lumières (11) prévues dans ladite cage (7) de manière à constituer des moyens de blocage en rotation dudit élément tubulaire (16) par rapport à ladite cage (7).
- Amortisseur selon la revendication 4, caractérisé par le fait que lesdites protubérances (18) sont constituées par des nervures dont la longueur est adaptée à la longueur desdites lumières (11) de manière à former des moyens de blocage axial dudit élément tubulaire (16) par rapport à ladite cage (7).
- Amortisseur selon la revendication 4 ou 5, caractérisé par le fait que ledit élément tubulaire (16) comporte sur sa face extérieure des premiers moyens d'encliquetage (19, 20) aptes à coopérer avec des deuxièmes moyens d'encliquetage (21) sur un carter de pompe (17) dans lequel ledit élément tubulaire (16) est apte à être reçu.
- Amortisseur selon la revendication 6, caractérisé par le fait que lesdits premiers moyens d'encliquetage comportent deux organes d'encliquetage (19, 20) diamétralement opposés sur la face extérieure dudit élément tubulaire (16) et présentant un crochet (20) respectif dirigé vers l'extérieur et apte à faire saillie par une ouverture respective (21) prévue dans ledit carter de pompe (17) pour constituer lesdits deuxièmes moyens d'encliquetage.
- Amortisseur selon l'une quelconque des revendications 4 à 7, caractérisé par le fait que l'élément tubulaire (16) est en caoutchouc.
- Pompe électrique à carburant, caractérisée par le fait qu'elle est obtenue selon l'une quelconque des revendications 1 à 3.
- Pompe électrique à carburant, caractérisé par le fait qu'elle comporte l'amortisseur selon l'une quelconque des revendications 4 à 8.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0207701A FR2841300A1 (fr) | 2002-06-21 | 2002-06-21 | Procede d'assemblage d'une pompe electrique, et amortisseur de vibrations pour une telle pompe |
FR0207701 | 2002-06-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1375901A1 true EP1375901A1 (fr) | 2004-01-02 |
EP1375901B1 EP1375901B1 (fr) | 2005-01-19 |
Family
ID=29717075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03291331A Expired - Lifetime EP1375901B1 (fr) | 2002-06-21 | 2003-06-04 | Procédé d'assemblage d'une pompe électrique, et amortisseur de vibrations pour une telle pompe |
Country Status (5)
Country | Link |
---|---|
US (1) | US7025574B2 (fr) |
EP (1) | EP1375901B1 (fr) |
AT (1) | ATE287497T1 (fr) |
DE (1) | DE60300275T2 (fr) |
FR (1) | FR2841300A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2897115A1 (fr) * | 2006-02-06 | 2007-08-10 | Ti Automotive Fuel Systems Sas | Dispositif de maintien d'une pompe electrique dans un reservoir de carburant |
EP2211049A2 (fr) * | 2009-01-23 | 2010-07-28 | Robert Bosch GmbH | Dispositif destiné au transport de carburant |
CN102691733A (zh) * | 2012-05-29 | 2012-09-26 | 浙江吉利汽车研究院有限公司杭州分公司 | 一种离合器分泵的固定装置 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005083303A (ja) * | 2003-09-10 | 2005-03-31 | Aisan Ind Co Ltd | フューエルポンプの振動緩和構造 |
FR2875859B1 (fr) * | 2004-09-28 | 2011-05-06 | Marwal Systems | Dispositif porte-accessoires pour module de puisage du reservoir d'un vehicule automobile |
WO2006096863A2 (fr) * | 2005-03-09 | 2006-09-14 | Xirrus, Inc. | Point d'acces a un reseau local sans fil |
US8184062B2 (en) * | 2005-03-09 | 2012-05-22 | Xirrus, Inc. | Wireless local area network antenna array |
US7261323B2 (en) * | 2005-03-31 | 2007-08-28 | Nissan Technical Center North America, Inc. | Fuel damper |
DE102006030188A1 (de) * | 2006-06-30 | 2008-01-03 | Trw Automotive Gmbh | Motor-Pumpen-Aggregat |
US9088907B2 (en) * | 2007-06-18 | 2015-07-21 | Xirrus, Inc. | Node fault identification in wireless LAN access points |
US20110027110A1 (en) * | 2008-01-31 | 2011-02-03 | Schlumberger Technology Corporation | Oil filter for downhole motor |
DE102008045157A1 (de) | 2008-08-30 | 2010-03-04 | Ab Elektronik Gmbh | Kraftstofftank |
US8482478B2 (en) * | 2008-11-12 | 2013-07-09 | Xirrus, Inc. | MIMO antenna system |
US8662829B2 (en) * | 2010-02-19 | 2014-03-04 | Pit Boss Products, Llc | Pump guard adaptor, system and method of adaptation thereof |
US8830854B2 (en) | 2011-07-28 | 2014-09-09 | Xirrus, Inc. | System and method for managing parallel processing of network packets in a wireless access device |
US8868002B2 (en) | 2011-08-31 | 2014-10-21 | Xirrus, Inc. | System and method for conducting wireless site surveys |
US9055450B2 (en) | 2011-09-23 | 2015-06-09 | Xirrus, Inc. | System and method for determining the location of a station in a wireless environment |
WO2016082852A1 (fr) * | 2014-11-24 | 2016-06-02 | Mann+Hummel Gmbh | Dispositif de filtrage, élément filtrant et procédé de maintenance d'un dispositif de filtrage |
JP6575497B2 (ja) * | 2016-12-07 | 2019-09-18 | トヨタ自動車株式会社 | ポンプモジュールの組付構造 |
WO2020083495A1 (fr) * | 2018-10-25 | 2020-04-30 | Pierburg Pump Technology Gmbh | Agencement de pompe de véhicule à moteur et agencement de montage pour un agencement de pompe de véhicule à moteur |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4336574A1 (de) * | 1993-10-27 | 1995-05-04 | Vdo Schindling | Kraftstoff-Fördereinheit |
US5482444A (en) * | 1994-09-06 | 1996-01-09 | General Motors Corporation | Vibration isolating mounting for an electric fuel pump |
EP0773362A1 (fr) * | 1995-11-08 | 1997-05-14 | Bitron France | Dispositif pour la suspension d'une pompe et/ou d'une crépine appartenant à un ensemble de pompage |
EP0779947A1 (fr) * | 1995-06-29 | 1997-06-25 | Robert Bosch Gmbh | Dispositif de montage d'un organe d'amenee de carburant a l'interieur d'un reservoir de carburant |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3602135C1 (de) * | 1986-01-24 | 1992-07-02 | Bayerische Motoren Werke Ag | Lagerung einer Kraftstoffpumpe im Kraftstoffvorratsbehaelter eines Kraftfahrzeuges |
US5002467A (en) * | 1989-02-17 | 1991-03-26 | Walbro Corporation | In-tank fuel pump mount |
US5165867A (en) * | 1992-02-25 | 1992-11-24 | General Motors Corporation | Fuel pump mounting |
US6378504B1 (en) * | 1999-06-10 | 2002-04-30 | Aisan Kogyo Kabushiki Kaisha | Reduced vibration fuel supply systems |
GB9920206D0 (en) * | 1999-08-27 | 1999-10-27 | Lucas Industries Ltd | Metering valve |
-
2002
- 2002-06-21 FR FR0207701A patent/FR2841300A1/fr active Pending
-
2003
- 2003-04-29 US US10/430,180 patent/US7025574B2/en not_active Expired - Fee Related
- 2003-06-04 EP EP03291331A patent/EP1375901B1/fr not_active Expired - Lifetime
- 2003-06-04 AT AT03291331T patent/ATE287497T1/de not_active IP Right Cessation
- 2003-06-04 DE DE60300275T patent/DE60300275T2/de not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4336574A1 (de) * | 1993-10-27 | 1995-05-04 | Vdo Schindling | Kraftstoff-Fördereinheit |
US5482444A (en) * | 1994-09-06 | 1996-01-09 | General Motors Corporation | Vibration isolating mounting for an electric fuel pump |
EP0779947A1 (fr) * | 1995-06-29 | 1997-06-25 | Robert Bosch Gmbh | Dispositif de montage d'un organe d'amenee de carburant a l'interieur d'un reservoir de carburant |
EP0773362A1 (fr) * | 1995-11-08 | 1997-05-14 | Bitron France | Dispositif pour la suspension d'une pompe et/ou d'une crépine appartenant à un ensemble de pompage |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2897115A1 (fr) * | 2006-02-06 | 2007-08-10 | Ti Automotive Fuel Systems Sas | Dispositif de maintien d'une pompe electrique dans un reservoir de carburant |
EP2211049A2 (fr) * | 2009-01-23 | 2010-07-28 | Robert Bosch GmbH | Dispositif destiné au transport de carburant |
EP2211049A3 (fr) * | 2009-01-23 | 2013-04-17 | Robert Bosch GmbH | Dispositif destiné au transport de carburant |
CN102691733A (zh) * | 2012-05-29 | 2012-09-26 | 浙江吉利汽车研究院有限公司杭州分公司 | 一种离合器分泵的固定装置 |
Also Published As
Publication number | Publication date |
---|---|
FR2841300A1 (fr) | 2003-12-26 |
EP1375901B1 (fr) | 2005-01-19 |
US7025574B2 (en) | 2006-04-11 |
ATE287497T1 (de) | 2005-02-15 |
US20040005227A1 (en) | 2004-01-08 |
DE60300275D1 (de) | 2005-02-24 |
DE60300275T2 (de) | 2006-01-05 |
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