EP3976971A1 - Kühler - Google Patents
KühlerInfo
- Publication number
- EP3976971A1 EP3976971A1 EP20758096.0A EP20758096A EP3976971A1 EP 3976971 A1 EP3976971 A1 EP 3976971A1 EP 20758096 A EP20758096 A EP 20758096A EP 3976971 A1 EP3976971 A1 EP 3976971A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fan
- heat exchanger
- housing
- air
- cooler
- 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
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
-
- 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
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
-
- 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
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/06—Guiding or ducting air to, or from, ducted fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
-
- 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
- F04D29/547—Ducts having a special shape in order to influence fluid flow
-
- 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
- F05D2300/40—Organic materials
- F05D2300/43—Synthetic polymers, e.g. plastics; Rubber
- F05D2300/431—Rubber
-
- 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 invention relates to a cooler, comprising:
- Fan housing which encloses a fan air flow space
- Heat exchanger housing which encloses a heat exchanger air flow space
- the heat exchanger housing connects essentially fluid-tight, the air guiding element made of a flexible,
- rubber-elastic material is formed.
- Cooling devices are used in the prior art for a wide variety of applications, for example as engine coolers.
- a cooling system has become known from DE 10 2012 018 571 B3.
- the cooling system has a fan for generating a cooling air flow and a heat exchanger for cooling a medium,
- a connection channel for conveying cooling air to the heat exchanger is formed between the fan and the heat exchanger.
- connection channel between heat exchanger and fan must be designed and dimensioned for the respective application. Accordingly, until now, suitable fans and heat exchanger housings had to be suitable for each size and shape of the respective fan and heat exchanger housing
- the AT 515 865 Bl offers a solution to achieve greater variability in the modular production of fans. In order to avoid expensive injection-molded parts, this is
- Fan housing made from a textile element.
- Textile element has several textile segments arranged so as to overlap in the circumferential direction to form a
- Air guiding jacket which surrounds the fan wheel.
- a fan housing made of a flexible fabric is also known from US Pat. No. 2,198,420 A.
- the distance between an opening in a floor and a ring surrounding a fan is bridged by the flexible fabric.
- the fan housing should be made of flexible materials. In practice, however,
- JP H 02 196 198 A discloses a radiator cover between a radiator inlet opening and a fan bracket.
- the radiator cover is made of an elastic material.
- CN 205 047 290 U relates to a cooler housing with a
- Radiator frame a rubber ring and a mounting frame, wherein a cooling fan is arranged inside the radiator frame.
- the cooler frame is made of plastic that
- Rubber ring made of flexible, rubber-elastic material and the
- Mounting frame made of sheet steel.
- the top of the rubber ring is fastened in the groove of the mounting frame.
- the mounting frame is connected to the engine block using combination screws.
- rubber-elastic material known for example from documents, which create simple assembly conditions through their design.
- the object of the present invention is to eliminate or at least alleviate at least individual disadvantages of the prior art.
- the invention is therefore particularly aimed at a cooler
- a further aim of the invention is to improve the flow conditions between the fan and the heat exchanger and / or to reduce the development of noise during operation of the cooler.
- the air guiding element is formed from a flexible, in particular rubber-elastic, material.
- the air guiding element Due to the flexible, in particular rubber-elastic, design of the air guiding element, the air guiding element can be structurally simple, but nevertheless stable and durable
- Fan housing and the heat exchanger air flow space of the heat exchanger housing can be achieved.
- the air guiding element guides the air flow in the axial direction (based on the
- the air guide element extends from a heat exchanger air outlet opening of the heat exchanger to a fan air inlet opening of the fan.
- the air flow can also be directed in the opposite direction, so that the heat exchanger air outlet opening of the heat exchanger is designed as a heat exchanger air inlet opening and the fan air inlet opening of the fan is designed as a fan air outlet opening.
- Air guiding element can be attached in a particularly simple manner
- the air guiding element is so flexible, i. essentially freely deformable, so that an adaptation of the transition from the fan housing to the heat exchanger housing is significantly facilitated.
- the flexible configuration of the air guiding element is intended to mean that the air guiding element can be bent over, folded or otherwise deformed in all directions like a dog.
- the use of a rubber-elastic material for the air guiding element is particularly advantageous, as a result of which, on the one hand, a high
- Air guiding element can be achieved because a continuous, flow-optimized transition between different
- Air guiding element has a low tendency to wear, even in a damp environment. It is particularly advantageous that the flexible, in particular rubber-elastic, material of the
- Air guide element can absorb and dampen mechanical vibrations of the fan. This advantageously results in a particularly low level during operation of the cooler
- the inner surface has a rubber-elastic effect
- Air guiding elements when impacting for example
- the fan housing and the heat exchanger housing are essentially rigid, i. dimensionally stable, designed and therefore much less easily deformed compared to the air guiding element.
- One aspect of the invention is therefore that which is surprising
- Heat exchanger housing through flexible materials for
- Variability of the cooler can be increased without impairing the stability of the cooler.
- At least one rigid connection between the fan housing and the heat exchanger housing is provided according to the invention.
- the fan housing and the heat exchanger housing can thus be held in the predetermined position relative to one another by the rigid connection, regardless of the operating loads.
- the rigid connection enables the flexible air guiding element to be comparatively long
- the fan can be a fan wheel with attached fan blades and a motor for
- Fan housing a fan air inlet opening with a first cross section and the heat exchanger housing a
- Heat exchanger air outlet opening with a second cross section the first cross section from the second cross section
- the assembly consisting of the
- Air guiding element through appropriate expansion of the flexible air guiding element for different cross-sectional dimensions and / or cross-sectional geometries of the fan or
- Heat exchanger are designed. For example, an air inlet opening of the fan with a comparatively small cross-sectional area can thus be combined with an air outlet opening of the heat exchanger with a comparatively larger one
- Cross-sectional area be connected via the same air guiding element as with two equally large cross-sectional areas of the air inlet and air outlet opening.
- the heat exchanger housing preferably has a flange, in particular essentially square, protruding in the direction of the fan housing, to which one end of the flexible air guiding element is fastened.
- One end of the flexible air guiding element is preferably slipped over the outside of the flange.
- the flange is essentially rectangular, in particular essentially square, with rounded corners being able to be provided. The flange encloses the air outlet opening of the heat exchanger.
- the fan can have a fastening flange, in particular with a circular cross section, to which the other end of the flexible air guiding element is attached.
- the rigid connection between the fan housing and the heat exchanger housing has a rod, in particular a threaded rod.
- the rod preferably extends essentially parallel to the central axis of the fan air inlet opening.
- the heat exchanger housing can have protruding ear parts on which the one ends of the rods are arranged.
- the other ends of the rods are preferably at corner areas
- the central axis of the fan air inlet opening of the fan housing is arranged offset in the radial direction to the central axis of the heat exchanger air outlet opening of the heat exchanger housing. This design enables a particularly flexible arrangement of the fan housing relative to the
- Heat exchanger housing For example, the
- the air guiding element is preferably electrically conductive. This counteracts possible spark formation, which can arise from the contact between sucked-in particles, such as dust particles, and the inner surface of the air guiding element. Accordingly, the cooler according to the invention can also be compulsorily
- the material of the air guiding element is a conductive rubber.
- the conductive rubber of the rubber-elastic air guiding jacket has a mixture of at least one elastomer and at least one electrically conductive metal and / or an electrically conductive alloy of two or more metals.
- the electrically conductive metals and / or the electrically conductive alloys are incorporated into the elastomer in the form of particles and / or wires.
- the combination of at least one of: silicone, fluorosilicone, ethylene-propylene-diene rubber or neoprene and at least one of: Monel, is particularly suitable for the production of conductive rubber
- FIG. 1 schematically shows a perspective view of a
- Air guiding element connects a rigid fan housing with a rigid heat exchanger housing.
- Fig. 2 schematically shows a perspective view of the
- Air guiding element has been removed to provide a better view of a
- Fig. 3 is a side view of another according to the invention.
- Fan housing is smaller than the heat exchanger air outlet opening of the heat exchanger housing and the
- Coincide heat exchanger air outlet opening. 4 shows a sectional view of a further cooler according to the invention, in which the fan air inlet opening of the fan housing has a larger radius than the height of the
- Has heat exchanger air outlet opening of the heat exchanger housing and the central axes of the fan air inlet opening and the heat exchanger air outlet opening are radially offset from one another.
- a cooler 1 is shown with an air guide element 2, which has a fan housing 4 with a
- Heat exchanger housing 6 connects.
- the fan housing 4 surrounds a fan element 3 which generates an air flow.
- the heat exchanger housing 6 surrounds a heat exchanger 5, in which a medium to be cooled by the air flow of the
- Fan element 3 is cooled.
- the fan housing 4 has a fan air inlet opening 7 and a fan air outlet opening 8, which delimit a fan air flow space 9 on both sides.
- Heat exchanger housing 6 encloses a heat exchanger air flow space 12 between a heat exchanger air inlet opening 10 and a heat exchanger air outlet opening 11.
- the air guiding element 2 is essentially flexible, in particular rubber-elastic, whereas the
- Essentially rigid, i.e. dimensionally stable, are.
- the fan air inlet opening 7 of the fan housing 4 and the second air outlet opening 11 of the heat exchanger housing 6 are connected to one another in an essentially fluid-tight manner by the flexible air guiding element 2.
- the fan air inlet opening 7 of the fan housing 4 has an im
- Essentially circular cross-section and the heat exchanger air outlet opening 11 has an essentially rectangular, here essentially square, cross-section.
- One end of the flexible air guide element 2 is on a substantially square, the heat exchanger
- Flange 19 surrounding the air outlet opening 11 is turned up.
- the other end of the flexible air guiding element 2 is fastened to a fastening flange 13 of the fan housing 4.
- the fastening flange 13 is designed to be essentially cylindrical, corresponding to the fan air inlet opening 7.
- the cooler 1 has four rigid ones
- Threaded rods 14 are provided.
- the heat exchanger housing 6 has ear parts 15 protruding from the flange 19 for receiving the one ends of the threaded rods 14. The other ends of the
- Threaded rods 14 are preferably attached to the corner areas 16 of a square retaining plate of the fan housing 4.
- the heat exchanger housing 6 has a number of cooling elements 17 in the interior of the air flow space 12. In the embodiment shown, several are parallel to one another
- the fan housing 4 can have an air-permeable protective cover.
- Fig. 3 shows a cooler 1, in which the central axis Ml of the fan air inlet opening 7 with the central axis M2 of the
- Heat exchanger air outlet opening 11 collapses.
- FIG. 4 shows a cooler 1 in which the central axis M1 of the fan air inlet opening 7 is offset in the radial direction to the central axis M2 of the heat exchanger air outlet opening 11. Due to the offset of the two central axes Ml, M2, the air guiding element 2 is in relation to the respective central axis Ml, M2 designed as an asymmetrical body of revolution. Starting from the flange 19 on the heat exchanger housing, the flexible air guiding element 2 expands in the direction of the fastening flange 13 with respect to the central axis M2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50486/2019A AT522171B1 (de) | 2019-05-28 | 2019-05-28 | Kühler |
| PCT/AT2020/060214 WO2020237273A1 (de) | 2019-05-28 | 2020-05-28 | Kühler |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3976971A1 true EP3976971A1 (de) | 2022-04-06 |
| EP3976971B1 EP3976971B1 (de) | 2025-11-19 |
| EP3976971C0 EP3976971C0 (de) | 2025-11-19 |
Family
ID=72147839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20758096.0A Active EP3976971B1 (de) | 2019-05-28 | 2020-05-28 | Kühler |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3976971B1 (de) |
| CN (1) | CN113544367B (de) |
| AT (1) | AT522171B1 (de) |
| WO (1) | WO2020237273A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021118148A1 (de) | 2021-07-14 | 2023-01-19 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Kühlvorrichtung mit zwei stirnseitigen voneinander getrennt anströmbaren Teilflächen |
| DE102022124201A1 (de) * | 2022-09-21 | 2024-03-21 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Radialventilator mit nachrüstbaren Luftleitsegmenten |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2198420A (en) | 1937-08-11 | 1940-04-23 | Vernon P Winton | Ventilating apparatus |
| JPS56120916U (de) * | 1980-02-18 | 1981-09-14 | ||
| DE3024999A1 (de) * | 1980-07-02 | 1982-01-28 | Daimler-Benz Ag, 7000 Stuttgart | Motorraum eines kraftfahrzeugs mit einem teilweise gekapselten motor |
| DE3225653A1 (de) * | 1982-07-09 | 1984-03-15 | Iveco Magirus AG, 7900 Ulm | An einem wasserkuehler von brennkraftmaschinen befestigte kuehlerzarge |
| DE3315343A1 (de) * | 1983-04-28 | 1984-10-31 | Daimler-Benz Ag, 7000 Stuttgart | Kuehlvorrichtung, insbesondere fuer eine fluessigkeitsgekuehlte brennkraftmaschine |
| JPH0247228Y2 (de) * | 1985-09-14 | 1990-12-12 | ||
| JPH02196198A (ja) * | 1989-01-21 | 1990-08-02 | Nippondenso Co Ltd | 車両用送風機 |
| DE4015259A1 (de) * | 1990-05-12 | 1991-11-14 | Behr Gmbh & Co | Luefterummantelung fuer kuehlgeblaese von kraftfahrzeugen |
| JP2001329842A (ja) * | 2000-05-19 | 2001-11-30 | Hitachi Constr Mach Co Ltd | 熱交換器の導風板構造 |
| RU2356751C1 (ru) * | 2008-05-22 | 2009-05-27 | Федеральное Государственное унитарное предприятие "Государственное научно-производственное предприятие "Сплав" | Охладитель вентилируемого воздуха |
| EP2426334B1 (de) * | 2010-09-01 | 2017-10-25 | CLAAS Tractor SAS | Kühlanordnung für ein landwirtschaftliches Fahrzeug |
| EP2756196B1 (de) * | 2011-09-15 | 2018-12-19 | Volvo Lastvagnar Ab | Flexible lüfterhaube |
| DE102012018571B3 (de) | 2012-09-20 | 2013-10-24 | Voith Patent Gmbh | Kühlanlage für ein Motorfahrzeug oder für einen stationären Verbrennungsmotor |
| AT515865B1 (de) | 2014-06-11 | 2016-10-15 | Thomas Dipl Ing Euler-Rolle | Axiallüfter |
| CN104747266A (zh) * | 2015-01-28 | 2015-07-01 | 柳州市同进汽车零部件制造有限公司 | 一种汽车散热护风罩 |
| CN205047290U (zh) * | 2015-09-24 | 2016-02-24 | 山东同创汽车散热装置股份有限公司 | 吸合式分体护风罩 |
| KR20170110915A (ko) * | 2016-03-24 | 2017-10-12 | 현대자동차주식회사 | 장섬유 강화 폴리아미드 펠렛, 이를 포함하는 폴리아미드 수지 조성물 및 이의 성형품 |
| DE102017200222A1 (de) * | 2017-01-09 | 2018-07-12 | Bayerische Motoren Werke Aktiengesellschaft | Kühlvorrichtung für ein Kraftfahrzeug und Lüfterzarge |
| CN208686450U (zh) * | 2018-06-08 | 2019-04-02 | 新乡航空工业(集团)有限公司 | 一种集成冷却装置 |
-
2019
- 2019-05-28 AT ATA50486/2019A patent/AT522171B1/de active
-
2020
- 2020-05-28 WO PCT/AT2020/060214 patent/WO2020237273A1/de not_active Ceased
- 2020-05-28 EP EP20758096.0A patent/EP3976971B1/de active Active
- 2020-05-28 CN CN202080016959.8A patent/CN113544367B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| AT522171B1 (de) | 2020-09-15 |
| CN113544367A (zh) | 2021-10-22 |
| EP3976971B1 (de) | 2025-11-19 |
| CN113544367B (zh) | 2023-12-01 |
| WO2020237273A1 (de) | 2020-12-03 |
| EP3976971C0 (de) | 2025-11-19 |
| AT522171A4 (de) | 2020-09-15 |
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