EP4305286A1 - Ensemble comprenant des unites de régulation de fluide de vehicule automobile - Google Patents
Ensemble comprenant des unites de régulation de fluide de vehicule automobileInfo
- Publication number
- EP4305286A1 EP4305286A1 EP22711280.2A EP22711280A EP4305286A1 EP 4305286 A1 EP4305286 A1 EP 4305286A1 EP 22711280 A EP22711280 A EP 22711280A EP 4305286 A1 EP4305286 A1 EP 4305286A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- assembly according
- assembly
- pumps
- 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.)
- Granted
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
- 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
-
- 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
- F04D13/12—Combinations of two or more pumps
- F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
-
- 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
- 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
- F01P2005/105—Using two or more 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
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/501—Elasticity
Definitions
- the present invention relates to an assembly comprising several motor vehicle fluid control units, as well as a motor vehicle comprising such an assembly.
- Certain motor vehicles may comprise at least two units for regulating a cooling fluid, pumps in particular, each comprising an electric motor having parallel axes of rotation, which are fixed to the powertrain in order to manage the thermal flows of the engine and of transmission.
- a known type of assembly with two pumps presented in particular by the document FR-A1 -3065511, comprises a first elongated leg, and a second elongated leg fixed to the base of this first leg, these legs made of stamped sheet metal having of constant cross-section with two undulations.
- Each pump comprises a casing having a slot having a constant section formed in a plane perpendicular to the axial direction, which extends over a length of this casing, receiving in an adjusted manner one of the legs of the support inserted therein.
- a problem that arises is that it is difficult to adjust the vibration isolation between these pumps and the support, in order to avoid transmission of vibrations and noise.
- this support comprises two metal parts that must be assembled together, requiring the management and supply of these parts, then a time for the assembly of these parts using the tools necessary to tighten this assembly. These manipulations lead to risks of incorrect assembly, such as insufficient tightening. Manufacturing, parts management and the necessary assembly time entail particular costs.
- Another type of known assembly with two pumps comprises for each pump a plate receiving in a bore the body of this pump, these plates comprising on one side complementary shapes which allow a interlocking between them in order to link them to secure the two pumps.
- each plate has a slot which extends axially through this plate, having a constant section.
- a unique mount has two tabs that fit into the slots in the two pump plates.
- connections between the two plates of the pumps have dimensions which can limit the bringing together of these pumps, one obtains a relatively large overall size of the assembly.
- This assembly is more difficult to install on a powertrain, in an engine compartment having a generally reduced space to optimize the volumes of the vehicle.
- the two plates are also two components resulting in manufacturing and supply costs, and requiring assembly time between them.
- the object of the present invention is in particular to avoid these problems of the prior art.
- An advantage of this assembly is that the plate forming a single piece of the support, by bringing the holes receiving the bodies of the regulation units as close as possible, these bodies can be arranged as close as possible to each other, without having to provide connections of two parts of plates between they. In this way, the bulk of the assembly is reduced, and it facilitates its integration into the powertrain of the vehicle.
- connection between the two regulation units is secured by the single plate receiving them, the number of parts is reduced and assembly is simplified, which reduces manufacturing costs.
- the assembly with regulating units according to the invention may also comprise one or more of the following characteristics, which may be combined with each other.
- each bore has, in a plane transverse to the axes, a section which is constant over the length of this bore.
- each hole forms a circle comprising regularly distributed hollows on the contour.
- one face of the plate has, on the contour of each hole, grooves each receiving a boss protruding from the outer contour of the regulation unit bodies.
- the plate has slots for receiving fasteners which have a constant cross section.
- the plate may have three spaced apart slots.
- the slots can form holes which pass through the plate.
- the plate comprises elastomeric materials.
- the plate may in particular comprise several elastomeric materials having different stiffnesses.
- the invention also relates to a motor vehicle comprising at least two coolant pumps which form part of an assembly comprising any one of the preceding characteristics.
- FIG. 1 presents a complete assembly according to the invention comprising two pumps
- FIG. 2 is a view of the front face of the support plate alone of this assembly
- FIG. 3 is a view of the rear face of this plate;
- FIG. 4 is a rear side view of the assembly attached to a powertrain;
- FIG. 5 presents a complete assembly showing several possible angular orientations of each pump.
- Figure 1 shows an assembly comprising two units for regulating the circulation of fluid, in particular pumps 2, each having an axis of rotation A, these axes parallel to each other comprising a side called by convention front, indicated by the arrow AV.
- Each pump 2 comprises an outer body 4 comprising on the front face an axial orifice 6 and a tangential orifice 8 for the circulation of the fluid in this pump.
- each pump comprises electrical connectors 10 making it possible to supply them with current on demand, to regulate the circulation of cooling fluid in a motor vehicle, in particular an electric or hybrid vehicle.
- Figures 1, 2 and 3 show a support formed of a single plate 20 with two parallel faces 26, 30 perpendicular to the axes A, comprising two through-holes 22 which each receive a pump body 4.
- the constant section perpendicular to the axes A of each hole 22, forms a circle comprising regularly distributed hollows 24 on the contour.
- each pump 2 has a substantially circular outline comprising a series of axial teeth which fit into a bore 22 of the plate 20 so as to achieve both centering and alignment of this pump, and locking in rotation around its axis thanks to the teeth wedged in the hollows 24.
- Each pump body 4 comprises four bosses 12 which extend axially, protruding from the substantially circular outer contour of this casing, each receiving a screw 14 parallel to the axis A making it possible to clamp together different parts of this body stacked axially.
- the front face 26 of the support plate 20 comprises for each bore 22 four radially oriented grooves 28, distributed around this bore over a small thickness of the plate, each receiving one end of a boss 12 which fits slightly into this front face. .
- the ends of bosses 12 fitted in the grooves 28 also avoid arranging each pump 2 with an incorrect angular orientation in its bore 22.
- the two pumps 2 are arranged as close as possible to each other, with a minimum radial distance between their two bodies 4, comprising a reduced thickness of material 32 between the two holes of this plate 22.
- the use of a same plate 20 receiving the two holes 22 avoids providing a connection between two separate supports. In this way, the overall size of the assembly is reduced, and its installation in the engine compartment of the vehicle is facilitated.
- the rear face 30 of the support plate 20 comprises a slot with a curved section 34 having two undulations, which extends parallel to the axis over a large part of the thickness of this plate, partially opening onto the front face 26 .
- Figure 4 shows a fixing 40 formed by sheets folded and assembled together, fixed to a power unit 42, having three elongated legs parallel to the axes A which each fit in the curved slot 34 or in one of the slots straight 38.
- the spacing of the slots 34, 38 between them provides rigidity and limits the stresses in the fastener 40.
- a complete assembly comprising the support plate 20 receiving the two pumps 2, which can be prepared for example by a supplier.
- the complete assembly is then mounted on the vehicle with the aid of the fixing 40 comprising a single piece, which simplifies supplies, and reduces the risks of incorrect assembly as well as assembly times on this vehicle.
- the support plate 20 is advantageously made by molding a material having a certain flexibility, calculated to dampen the vibrations emitted by the operation of each pump 2, which avoids transmitting these vibrations to the powertrain and to the body of the vehicle. preventing the propagation of noise.
- the flexible material of the support plate 20 also makes it possible to prevent the transmission of vibrations coming from the powertrain to the pumps 2, by avoiding loosening, in particular of the electrical connections 10.
- the support plate 20 may comprise different materials having different hardnesses or stiffnesses, in particular elastomers assembled by successive overmouldings, which make it possible to respond, according to the shapes of the part, to mechanical strength and vibration isolation constraints.
- Hardness is related to stiffness in the sense that as hardness increases, stiffness also increases accordingly.
- the support 20 would have a first part of a first material having a first stiffness surrounding the bore 22 and a second peripheral part surrounding the first part of a second material having a greater stiffness than that of the first material.
- FIG. 5 shows the same support plate 20 comprising bores 22 able to receive, thanks to the circular contour and the succession of regularly distributed hollows 24, the pump bodies 4 in different angular positions.
- This plate 20 forms a standard that can be used on a variety of vehicles.
- regulating units can be provided on the plate 20, each occupying a bore 22.
- These regulating units can comprise pumps 2, or other equipment used for regulating the circulation of fluids in the vehicle.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Motor Or Generator Frames (AREA)
- Details Of Reciprocating Pumps (AREA)
- Hydraulic Motors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2102397A FR3120570B1 (fr) | 2021-03-11 | 2021-03-11 | Ensemble comprenant des unites de régulation de fluide de vehicule automobile |
| PCT/FR2022/050377 WO2022189731A1 (fr) | 2021-03-11 | 2022-03-03 | Ensemble comprenant des unites de régulation de fluide de vehicule automobile |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4305286A1 true EP4305286A1 (fr) | 2024-01-17 |
| EP4305286C0 EP4305286C0 (fr) | 2025-09-03 |
| EP4305286B1 EP4305286B1 (fr) | 2025-09-03 |
Family
ID=75746865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22711280.2A Active EP4305286B1 (fr) | 2021-03-11 | 2022-03-03 | Ensemble comprenant plusieurs pompes de véhicule automobile |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20240141924A1 (fr) |
| EP (1) | EP4305286B1 (fr) |
| CN (1) | CN117083450A (fr) |
| FR (1) | FR3120570B1 (fr) |
| MX (1) | MX2023009532A (fr) |
| WO (1) | WO2022189731A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12533995B2 (en) | 2023-08-31 | 2026-01-27 | Illinois Tool Works Inc. | Battery electric vehicle temperature-regulation system |
| US12560167B2 (en) | 2023-06-09 | 2026-02-24 | Illinois Tool Works Inc. | Screw pump and its components |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022131340B4 (de) * | 2022-11-28 | 2025-05-08 | Bühler Motor GmbH | Kontaktkörper für mindestens eine Flüssigkeitspumpe in Kraftfahrzeugen |
| FR3144839B1 (fr) | 2023-01-10 | 2025-11-28 | Psa Automobiles Sa | Ensemble pour fluide de refroidissement de vehicule automobile avec pompes fixees sur un support |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2936141A (en) * | 1957-09-23 | 1960-05-10 | Illinois Tool Works | Resilient mount |
| DE7010892U (de) | 1969-12-18 | 1970-09-10 | Edoardo Hunke & C S R L | Toilettenschrank. |
| DE102004017278A1 (de) * | 2004-04-07 | 2005-11-03 | J. Eberspächer GmbH & Co. KG | Pumpenhalterung |
| USD600720S1 (en) * | 2008-11-07 | 2009-09-22 | Moroso Performance Products, Inc | Combination vacuum pump and alternator mount |
| DE102016209204A1 (de) | 2016-05-27 | 2017-11-30 | Robert Bosch Gmbh | Vorrichtung zur Regelung mindestens eines Fluidstroms in einem Fahrzeug |
| FR3065511B1 (fr) | 2017-04-20 | 2023-05-26 | Renault Sas | Agencement pour le montage et la fixation d'au moins un accessoire sur un element d'un vehicule, ensemble de deux pompes a eau et transmission equipee d'un tel ensemble |
| US11585356B2 (en) * | 2018-10-25 | 2023-02-21 | Pierburg Pump Technology Gmbh | Motor vehicle pump arrangement and mounting arrangement for a motor vehicle pump arrangement |
| CN112888864B (zh) * | 2018-10-25 | 2023-05-05 | 皮尔伯格泵技术有限责任公司 | 机动载具泵装置和用于机动载具泵装置的安装装置 |
| DE102020130488A1 (de) * | 2019-12-16 | 2021-06-17 | ECO Holding 1 GmbH | Vorrichtung zur Handhabung von Fluid innerhalb eines zumindest teilweise elektrisch angetriebenen Fahrzeugs |
| DE102021106098B3 (de) * | 2021-03-12 | 2022-05-25 | Bühler Motor GmbH | Halterung zur Befestigung einer Pumpe |
-
2021
- 2021-03-11 FR FR2102397A patent/FR3120570B1/fr active Active
-
2022
- 2022-03-03 CN CN202280020509.5A patent/CN117083450A/zh active Pending
- 2022-03-03 US US18/549,517 patent/US20240141924A1/en active Pending
- 2022-03-03 EP EP22711280.2A patent/EP4305286B1/fr active Active
- 2022-03-03 WO PCT/FR2022/050377 patent/WO2022189731A1/fr not_active Ceased
- 2022-03-03 MX MX2023009532A patent/MX2023009532A/es unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12560167B2 (en) | 2023-06-09 | 2026-02-24 | Illinois Tool Works Inc. | Screw pump and its components |
| US12533995B2 (en) | 2023-08-31 | 2026-01-27 | Illinois Tool Works Inc. | Battery electric vehicle temperature-regulation system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4305286C0 (fr) | 2025-09-03 |
| FR3120570B1 (fr) | 2024-06-14 |
| MX2023009532A (es) | 2023-12-07 |
| FR3120570A1 (fr) | 2022-09-16 |
| WO2022189731A1 (fr) | 2022-09-15 |
| EP4305286B1 (fr) | 2025-09-03 |
| US20240141924A1 (en) | 2024-05-02 |
| CN117083450A (zh) | 2023-11-17 |
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