EP3317543B1 - Corps de pompe doté d'une structure de fixation - Google Patents

Corps de pompe doté d'une structure de fixation Download PDF

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Publication number
EP3317543B1
EP3317543B1 EP15734623.0A EP15734623A EP3317543B1 EP 3317543 B1 EP3317543 B1 EP 3317543B1 EP 15734623 A EP15734623 A EP 15734623A EP 3317543 B1 EP3317543 B1 EP 3317543B1
Authority
EP
European Patent Office
Prior art keywords
housing part
coolant pump
electric motor
vehicle
fastening
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.)
Active
Application number
EP15734623.0A
Other languages
German (de)
English (en)
Other versions
EP3317543A1 (fr
Inventor
Stephan Schreckenberg
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.)
Pierburg Pump Technology GmbH
Original Assignee
Pierburg Pump Technology 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 Pierburg Pump Technology GmbH filed Critical Pierburg Pump Technology GmbH
Publication of EP3317543A1 publication Critical patent/EP3317543A1/fr
Application granted granted Critical
Publication of EP3317543B1 publication Critical patent/EP3317543B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F01P5/12—Pump-driving arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being 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
    • F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
    • 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
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F01P5/12—Pump-driving arrangements
    • F01P2005/125—Driving auxiliary pumps electrically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • 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
    • F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
    • 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
    • F04D29/08—Sealings
    • F04D29/086—Sealings especially adapted for liquid pumps

Definitions

  • the invention relates to an electric motor vehicle coolant pump (motor vehicle coolant pump) with a pump housing which has at least one flow housing part and a separately designed motor housing part, the flow housing part having a spiral flow channel having an axial inlet and a tangential outlet, and a rotatably mounted fluid delivery element at least partially surrounds, and the motor housing part at least partially surrounds an electric drive motor for driving the fluid delivery element, wherein the pump housing can be fixed to a vehicle structure via a fastening structure.
  • a pump housing which has at least one flow housing part and a separately designed motor housing part, the flow housing part having a spiral flow channel having an axial inlet and a tangential outlet, and a rotatably mounted fluid delivery element at least partially surrounds, and the motor housing part at least partially surrounds an electric drive motor for driving the fluid delivery element, wherein the pump housing can be fixed to a vehicle structure via a fastening structure.
  • Such electric motor vehicle coolant pumps are well known from the prior art and are mainly used to convey a coolant for cooling a vehicle internal combustion engine. Due to the usual structure, such pumps usually have several individual housing parts, such as the flow housing part and the motor housing part, which are mostly rotationally aligned with one another, are fixed to one another via a fixing device and, when installed, form the entire pump housing. The fluidic connection of such a pump to a vehicle usually takes place via separately designed hoses.
  • a vehicle structure such as a vehicle body or an engine block
  • supports or fastening structures are usually provided, which are each arranged separately or in one piece on the individual housing parts of the pump.
  • damping means are mostly provided on the fastening structures.
  • coolant pumps have to be designed individually depending on the vehicle model, in particular with regard to the required pump performance, the specified fluidic connections, the fastening structures and the damping means.
  • the complexity of coordinating the interfaces between the pump and the vehicle increases, which in particular leads to increased expenditure in the manufacture and assembly of the coolant pumps.
  • the invention is therefore based on the object of providing an electric motor vehicle coolant pump which enables a cross-vehicle design and a relatively universal possibility of attachment to a vehicle structure.
  • the fastening structure is arranged on the pump side exclusively on the flow housing part.
  • the interfaces for the fluidic and mechanical connection of the coolant pump to a vehicle structure can be limited solely to the flow housing part, so that the design of the coolant pump can be simplified.
  • the design and specification of the interfaces between the pump and the vehicle can be limited solely to the design of the flow housing part.
  • the motor housing part - depending on the vehicle model and the associated requirements, for example with regard to a model variant and / or pump capacity - can have different designs or sizes and can be manufactured completely independently of the interfaces and connection requirements of the pump on the vehicle.
  • the manufacture and assembly of the coolant pump can be considerably simplified and, as a result, be relatively inexpensive.
  • the fastening structure has at least three fastening points for the selective fastening of the pump housing to the vehicle structure.
  • a fastening point can be understood, for example, as an opening through which a screw extends for fastening. It is particularly preferred that exactly three such fastening points are provided. A relatively stable and secure fixation of the coolant pump on the vehicle structure can thereby be ensured.
  • the attachment points are arranged in a plane parallel to the axis of rotation. This creates a common contact plane with which the fastening structure can rest against a contact surface of the vehicle structure and be fixed in a relatively simple manner.
  • the fastening structure can be a separate component, such as a clamp or a support arm, for example, it being possible for the fastening structure to be individually adapted to the shape of the flow housing part.
  • the fastening structure is advantageously designed in one piece with the flow housing part. As a result, the number of components can be reduced and the coolant pump can be fixed to the vehicle structure in a relatively simple manner.
  • the fastening structure is advantageously arranged in the longitudinal direction parallel to the axis of rotation. This enables a particularly stable and relatively secure fixing of the coolant pump to the vehicle structure.
  • the pump is designed to be relatively space-saving.
  • the fastening structure preferably has a support arm protruding outward from the flow housing part.
  • the support arm advantageously has - in particular at a distal end - an opening or bore through which a screw, rivet, bolt or other fastening element can extend to fasten the support arm to the vehicle structure.
  • the support arm can have an outwardly protruding centering pin for aligning the support arm with respect to the vehicle structure.
  • the support arm can be designed as a flange and have at least one stiffening rib.
  • the stiffening rib can be formed on the flange along its length.
  • the support arm has a particularly high level of stability.
  • the fastening points are particularly preferably arranged in the plane in a right-angled triangle to one another. This is a enables particularly stable fixation of the pump on the vehicle structure, in particular the pump is fixed against tilting and / or twisting.
  • the fastening structure is preferably fixed to the vehicle structure via a force-fit and / or form-fit connection.
  • the fastening structure can in particular be fixed releasably on the vehicle structure, particularly preferably by means of a screw. This is particularly advantageous when repairing or replacing the pump.
  • the fastening structure advantageously has at least one vibration damper, preferably at a fastening point.
  • the vibration damper can in particular be suitable for dampening undesired vibrations of the coolant pump and thus preventing the pump from being loosened on the vehicle structure and preventing the development of noise.
  • the vibration damper is preferably designed as an elastomer ring which rests on the fastening structure in an opening, such as a fastening point.
  • the elastomer ring for example a rubber ring, can be inserted or inserted into an opening or recess provided for this purpose in the fastening structure. This enables relatively reliable damping of the coolant pump and simplifies the installation of the coolant pump.
  • the flow housing part preferably has a centering structure for aligning the motor housing part with respect to the flow housing part.
  • the centering structure can be a shoulder or a recess into which, for example, a pin can be inserted.
  • a shoulder is formed on the flow housing part, on which the motor housing part is exclusively rotatory Alignment can be used.
  • a pump rotor carrying the fluid conveying element can be inserted into a shoulder of the flow housing part for storage and can be rotatably supported on it.
  • the coolant pump can thus be of relatively compact design.
  • the flow housing part preferably has an axial and / or radial gap sealing surface to the fluid delivery element.
  • FIG. 1 shows an electric motor vehicle coolant pump 1 in the assembled state 100.
  • the coolant pump 1 is mechanically fixed with a fastening structure 5 on a vehicle structure 6, which is only shown purely schematically.
  • the coolant pump 1 has a pump housing 2, which in the present case comprises a flow housing part 3 and a separately designed motor housing part 4.
  • a spiral-shaped flow channel 30 and a rotatable fluid conveying element 33 located therein are arranged inside the flow housing part 3, which in FIG Figure 1 is shown by a breakout representation.
  • the flow channel 30 has an axial inlet 31 and a tangential outlet 32. That Fluid delivery element 33 is mounted on a drive shaft 11 which extends into motor housing part 4.
  • a drive motor 40 for driving the conveying element 33 via the shaft 11 is arranged within the motor housing part 4, which in FIG Figure 1 is also shown in the form of a breakout.
  • the flow housing part 3 and the motor housing part 4 are aligned with one another and fixed to one another via a plurality of screw connections 21.
  • the screw connection 21 is designed to be stable in such a way that the motor housing part 4 and the components arranged therein can be carried by the flow housing part 3 without further support.
  • a fluidic connection between the coolant pump 1 and the vehicle takes place via a feed channel 61, also not shown, at the inlet 31 and discharge channel 62 to the outlet 32 of the pump-side flow channel 30.
  • the coolant pump 1 is mechanically fixed to the vehicle structure 6 exclusively via the fastening structure 5, which in the present case - as in particular in FIG Figure 2 recognizable - consists of two support arms 50.
  • the support arm is designed as a flange with a stiffening rib 51.
  • the support arm 50 is designed in one piece with the flow housing part 3 and protrudes outward from the flow housing part 3.
  • the support arm 50 has a plurality of bores 52 in each case at a distal end, through which a screw 53 extends in each case for fixing the flow housing part 3 to the vehicle structure 6. With this arrangement, the entire coolant pump 1 can be fixed to the vehicle structure 6.
  • the flow housing part 3 is shown in a non-assembled state.
  • the fastening structure 5 consists of two support arms 50 arranged on the flow housing part 3 and protruding therefrom.
  • the flow housing part 3 On a side facing the drive motor 40, the flow housing part 3 has a centering structure 35 for aligning the motor housing part 4 with respect to the flow housing part 3.
  • the centering structure 35 is in particular a shoulder arranged coaxially with respect to the axis of rotation 10.
  • a seal is also provided on the centering structure 35, by means of which the interior of the pump housing 2 can be sealed off from the environment.
  • the flow housing part 3 On a further shoulder or a contact surface 36 on a side likewise facing the drive motor 40, the flow housing part 3 has an axial and radial gap sealing surface 34 on which the fluid conveying element 33 can be mounted. As a result, a relatively loss-free fluid delivery can take place, so that the efficiency of the coolant pump 1 can be increased.

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)

Claims (11)

  1. Pompe électrique de liquide de refroidissement de véhicule (1) comportant un boitier de pompe (2) avec au moins une partie de boitier d'écoulement (3) et une partie de boitier de moteur (4) formé séparément,
    la partie de boitier d'écoulement (3) ayant un canal d'écoulement en forme de spirale (30) avec une entrée axiale (31) et entoure au moins partiellement un élément de transport de fluide (33) monté de manière rotative,
    la partie de boitier de moteur (4) entourant un moteur électrique d'entrainement (40) pour entrainer l'élément de transport de fluide (33),
    le boitier de pompe (2) pouvant être fixé à une structure de véhicule (6) par une structure de fixation (5),
    la structure de fixation (5) étant disposée, côté de la pompe, exclusivement sur la partie de boitier d'écoulement (3),
    caractérisée en ce que
    ledit canal d'écoulement en forme de spirale (30) a une sortie tangentielle,
    la structure de fixation (5) comporte au moins trois points de fixation (52a, 52b, 52c) pour une fixation sélective à la structure de véhicule (6) et
    les points de fixation (52a, 52b, 52c) sont disposés dans un plan parallèle à l'axe de rotation (10).
  2. Pompe électrique à liquide de refroidissement pour véhicule (1) selon la revendication 1, caractérisée en ce que la structure de fixation (5) est formée d'un seul tenant avec la partie de boitier d'écoulement (3).
  3. Pompe électrique à liquide de refroidissement pour véhicule (1) selon l'une quelconque des revendications 1 ou 2, caractérisée en ce que la structure de fixation (5) est disposée dans la direction longitudinale parallèlement à l'axe de rotation (10).
  4. Pompe électrique à liquide de refroidissement pour véhicule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la structure de fixation (5) comporte un bras de support (50) faisant saillie vers l'extérieur de la partie de boitier d'écoulement (3).
  5. Pompe électrique à liquide de refroidissement pour véhicule (1) selon la revendication 4, caractérisée en ce que le bras de support (50) est réalisé sous forme de bride avec au moins une nervure de renforcement (51).
  6. Pompe électrique à liquide de refroidissement pour véhicule (1) selon la revendication 1, caractérisée en ce que les points de fixation (52a, 52b, 52c) sont disposés dans un plan en triangle rectangle l'un par rapport à l'autre.
  7. Pompe électrique à liquide de refroidissement pour véhicule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la structure de fixation (5) est fixée à la structure du véhicule (6) par une liaison à force et/ou à forme.
  8. Pompe électrique à liquide de refroidissement pour véhicule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la structure de fixation (5) comporte au moins un amortisseur de vibrations (55).
  9. Pompe électrique à liquide de refroidissement pour véhicule (1) selon la revendication 8, caractérisée en ce que l'amortisseur de vibrations (55) est réalisé sous la forme d'un anneau en élastomère s'appuyant dans une ouverture (52) contre la structure de fixation (5).
  10. Pompe électrique à liquide de refroidissement pour véhicule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la partie de boitier d'écoulement (3) comporte une structure de centrage (35) pour aligner la partie de boitier moteur (4) par rapport à la partie de boitier d'écoulement (3).
  11. Pompe électrique à liquide de refroidissement pour véhicule (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la partie de boitier d'écoulement (3) comporte une surface d'étanchéité de fente (34) axiale et/ou radiale sur une surface de contact (36) avec l'élément de transport de fluide (33).
EP15734623.0A 2015-06-30 2015-06-30 Corps de pompe doté d'une structure de fixation Active EP3317543B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/064827 WO2017000990A1 (fr) 2015-06-30 2015-06-30 Corps de pompe doté d'une structure de fixation

Publications (2)

Publication Number Publication Date
EP3317543A1 EP3317543A1 (fr) 2018-05-09
EP3317543B1 true EP3317543B1 (fr) 2021-09-22

Family

ID=53524758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15734623.0A Active EP3317543B1 (fr) 2015-06-30 2015-06-30 Corps de pompe doté d'une structure de fixation

Country Status (4)

Country Link
US (1) US11401950B2 (fr)
EP (1) EP3317543B1 (fr)
CN (1) CN107667227B (fr)
WO (1) WO2017000990A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3897391B1 (fr) * 2018-12-18 2023-11-15 Insightec Ltd. Correction de focalisation basée sur l'écho
FR3091255B1 (fr) * 2018-12-27 2022-05-27 Renault Sas Procédé d'assemblage d'une pompe à eau à un véhicule automobile et/ou à un groupe motopropulseur
DE102020109043B3 (de) * 2020-04-01 2021-06-10 Nidec Gpm Gmbh Halterung für elektrisch angetriebene Pumpen eines Kraftfahrzeugs

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DE4221463A1 (de) * 1992-05-22 1993-11-25 Wilo Gmbh Kreiselpumpen mit spiralförmigem Pumpeninnenraum
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JP3819214B2 (ja) * 2000-04-27 2006-09-06 東洋ゴム工業株式会社 車両ポンプ用防振装置
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CN2742156Y (zh) * 2004-11-02 2005-11-23 长安汽车（集团）有限责任公司 发动机用整体式冷却水泵
CN102242717B (zh) * 2010-05-14 2013-09-25 于佳衣 一种一体化及液体润滑永磁无刷直流电机电动水泵
EP2469102B1 (fr) * 2010-12-22 2017-08-02 Pierburg Pump Technology GmbH Pompe à moyen de refroidissement pour véhicule automobile
US20140023526A1 (en) 2011-04-13 2014-01-23 Borgwarner Inc. Hybrid coolant pump
EP2729667B1 (fr) * 2011-07-08 2017-06-07 Pierburg Pump Technology GmbH Pompe à vide destinée à être utilisée dans le domaine des véhicules automobiles
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Also Published As

Publication number Publication date
EP3317543A1 (fr) 2018-05-09
WO2017000990A1 (fr) 2017-01-05
US11401950B2 (en) 2022-08-02
CN107667227A (zh) 2018-02-06
CN107667227B (zh) 2022-07-26
US20180187698A1 (en) 2018-07-05

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