WO2017190731A1 - Système de refroidissement par air - Google Patents

Système de refroidissement par air Download PDF

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Publication number
WO2017190731A1
WO2017190731A1 PCT/DE2017/100349 DE2017100349W WO2017190731A1 WO 2017190731 A1 WO2017190731 A1 WO 2017190731A1 DE 2017100349 W DE2017100349 W DE 2017100349W WO 2017190731 A1 WO2017190731 A1 WO 2017190731A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling
brake
air flow
vehicle
cooling air
Prior art date
Application number
PCT/DE2017/100349
Other languages
German (de)
English (en)
Inventor
Sven Lange
Sigfried Loose
Claus Wagner
Tarik Barth
Original Assignee
Volkswagen Aktiengesellschaft
Deutsches Zentrum für Luft- und Raumfahrt e.V.
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 Volkswagen Aktiengesellschaft, Deutsches Zentrum für Luft- und Raumfahrt e.V. filed Critical Volkswagen Aktiengesellschaft
Publication of WO2017190731A1 publication Critical patent/WO2017190731A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T5/00—Vehicle modifications to facilitate cooling of brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/08—Air inlets for cooling; Shutters or blinds therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/78—Features relating to cooling
    • F16D65/84—Features relating to cooling for disc brakes
    • F16D65/847—Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air

Definitions

  • the present invention relates to a cooling system for air cooling a brake system and an engine of a vehicle with a cooling package, which is flowed through by a cooling air flow.
  • brake cooling channels are arranged for cooling the brake system, the cooling air branch off from the flow around the vehicle and lead to the brake system.
  • the cooling package of the engine is flowed through by a cooling air flow independently of the brake cooling channels, which is branched off at another point of the vehicle from the flow around.
  • DE 10 2012 209 980 A1 discloses a cooling system having such a brake cooling passage with an inlet adapted to direct a portion of the air flowing through a front opening of the body directly to the brake system to cool the brake system.
  • the other part of the air flowing through the front opening of the body air flows through the Köhlp the engine and is not used specifically for cooling the brake system.
  • an intervention in the flow around the vehicle has a negative effect on the aerodynamics of the vehicle, whereby the fuel consumption of the vehicle increases and an influence on the axle unloading (distribution of the load) is made.
  • comparative measurements z. B. result in a difference of about 4-10 cw points.
  • the cooling system according to claim 1 which according to the invention has a brake cooling device with at least one opening of the wheel housing, which is aligned such that the KüWluftstrom is at least partially guided to the brake system after the cooling air flow has flowed through the cooling pack.
  • the brake cooling device is given exclusively through the opening of the wheel housing shell, which opens the wheel arch to the engine compartment.
  • the air outlet takes place in this case without an additional air flow in the engine compartment and results from the acting pressure differences.
  • the specific positioning of the opening of the wheel arch liner depends on the vehicle and can be adapted accordingly.
  • the present invention uses for cooling the brake system no additional air from the flow around the vehicle, but the cooling air, which has already flowed through the cooling package of the engine and the flow around the vehicle has already been withdrawn, the temperature of Ktihl Kunststoff from the engine compartment, the cooling package has passed through before, is still so low in terms of the temperature of the brake system that a sufficient and efficient cooling of the brake system takes place.
  • the aerodynamics of the vehicle is not adversely affected by this cooling system, so that there is a reduction in fuel consumption compared to those vehicles in which an additional brake cooling channel is provided, which branches off part of the flow as cooling air
  • a targeted outlet the cooling Air from the engine compartment possible, which also has a positive effect on the aerodynamics and thus the fuel consumption of the vehicle.
  • Another essential advantage of the invention results in the event that the engine has a motor fan, which is usually integrated in the cooling package and with which the cooling air mass flow can be increased. By switching on the fan, the cooling air flow to the brake system is maintained at low speed and at standstill of the vehicle and ensured This results in low speeds and at standstill of the vehicle over cooling systems according to the prior art by increased cooling benefits.
  • a motor fan which is usually integrated in the cooling package and with which the cooling air mass flow can be increased.
  • the brake cooling device has a first brake cooling channel with an inlet and an outlet, which merges into the opening of the wheel housing shell.
  • the arrangement of a Bremskühikanals causes a targeted diversion of the cooling air, which increases the efficiency of the cooling.
  • the inlet of the first Bremskühikanals is arranged in the direction of travel of the vehicle behind the cooling pack of the engine
  • the cooling system is arranged within an engine compartment of a vehicle having a cooling air inlet opening.
  • cooling air intake openings are arranged on the end wall at the front end of a vehicle.
  • the cooling package in the form of a heat exchanger is preferably arranged behind the cooling air inlet opening, so that the cooling air flow is passively formed by the travel wind and is therefore speed-dependent.
  • a fan is provided which actively generates the cooling air flow and which, viewed in the direction of travel, is arranged in front of or behind the cooling package.
  • a second brake cooling channel is provided with an inlet which is arranged such that the cooling air flow is passed to the brake system, without the cooling air flow has flowed through the Kühfx .
  • the second brake cooling channel preferably has an inlet opening, which is open to the underbody of the vehicle.
  • closure elements are arranged, which allow an optional closing of the first and / or the second brake cooling channel. Mixed states where both channels are partially or fully opened are possible. With this configuration, the cooling power can be optimally adapted to the given driving situation.
  • Fig. 1 a schematic representation of a cooling system (prior art)
  • Fig. 1 shows a cooling system for a (not shown) engine and a brake system 9, as it is arranged in conventional vehicles according to the prior art.
  • the vehicle 1 of which only the front side is shown, has a cooling pack 2 which is arranged behind a cooling air inlet opening 3 and through which cooling air or a cooling air flow 4 flows.
  • the cooling air flow 4 can be supported by a fan 5.
  • an inlet 6 of a brake cooling channel 7 is provided on the underbody of the vehicle 1, the cooling air branches off from the flow around the vehicle 1 and this cooling air to the brake system 9 passes (arrow 8), which in the manner described above negative to the aerodynamics of Vehicle 1 affects.
  • Figs. 2a-d show embodiments of the invention.
  • Fig. 2a-d show embodiments of the invention.
  • FIG. 2a shows the simplest case of a concrete Ausfactüngsform the invention, according to which the brake cooling device of the cooling system is limited to an opening 10 of the wheel arch 11, which opens the wheel arch 12 to the engine compartment 13.
  • the cooling air flow 4 is forwarded for cooling the brake system 9 after it has flowed through the cooling pack 2.
  • FIG. 2b shows a development of the invention, according to which the brake cooling device additionally has a first brake cooling channel 22.
  • the inlet opening 21 of the first brake cooling channel 22 is arranged behind the cooling pack 2, so that the cooling air stream 4 first flows through the cooling pack 2 and is then guided via the brake cooling passage 22 to the brake system 9.
  • the inlet opening 21 may also be positioned laterally behind the fan 5, because the engine block (not shown in FIG. 2 b) largely forces the cooling air flow 4 after it leaves the cooling package 2 for lateral flow around. Further positions of the inlet opening are possible as long as it is ensured that a sufficient cooling air flow 4 is diverted to the brake system 9 after the cooling air flow has flowed through the cooling packet 2.
  • the cooling air branches off from the flow around the vehicle 1, can therefore be dispensed with, resulting in the mentioned advantages in terms of aerodynamics and fuel consumption of the vehicle 1.
  • a second brake cooling channel 24 is optionally provided, the Einiass 25 is disposed on the underbody of the vehicle 1.
  • a closure element 26 is provided in the form of a flap which closes one of the brake cooling channels 22 or 24 and opens the respective other brake cooling channel, so that the cooling of the brake system 9 can be adapted to the driving situation.
  • 2b shows a setting in which the brake cooling channel 22 is open, while the brake cooling channel 24 is closed by the closure element 26, so that the cooling air flow 4 first flows through the cooling pack 2 before it is passed to the brake system.
  • Fig. 2c shows the reverse setting, in which the closure element 26 closes the brake cooling passage 22 and the brake cooling passage 24 opens.
  • 2d shows the embodiments according to FIGS. 2b and 2c in a plan view, the second brake cooling channels 24 and the closure element not being shown.

Abstract

L'invention concerne un système de refroidissement pour le refroidissement par air d'un dispositif de freinage et d'un moteur d'un véhicule comprenant un module de refroidissement pouvant être traversé par un flux d'air de refroidissement. Selon l'invention, afin d'améliorer l'aérodynamique d'un véhicule et de réduire la consommation de carburant, un dispositif de refroidissement de frein comportant au moins une ouverture de la garniture de passage de roue est prévu conçue de sorte que le flux d'air de refroidissement soit au moins en partie conduit vers le dispositif de freinage après le passage dudit flux d'air de refroidissement à travers le module de refroidissement.
PCT/DE2017/100349 2016-05-04 2017-04-27 Système de refroidissement par air WO2017190731A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016108294.5 2016-05-04
DE102016108294.5A DE102016108294A1 (de) 2016-05-04 2016-05-04 Luftkühlsystem

Publications (1)

Publication Number Publication Date
WO2017190731A1 true WO2017190731A1 (fr) 2017-11-09

Family

ID=59152601

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/100349 WO2017190731A1 (fr) 2016-05-04 2017-04-27 Système de refroidissement par air

Country Status (2)

Country Link
DE (1) DE102016108294A1 (fr)
WO (1) WO2017190731A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112839860A (zh) * 2018-10-18 2021-05-25 兰博基尼汽车股份有限公司 用于控制汽车上的气动载荷的调节装置
US11725569B1 (en) * 2022-06-30 2023-08-15 Honda Motor Co., Ltd. Air duct for water ingress management in a vehicle

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017212312A1 (de) * 2017-07-19 2019-01-24 Audi Ag Luftzuführungsvorrichtung für eine Bremseinrichtung eines Kraftfahrzeugs
CN108995635B (zh) * 2018-07-09 2020-09-22 广东机电职业技术学院 一种车辆制动器冷却系统
CN111497798A (zh) * 2020-05-27 2020-08-07 付洪生 一种半挂车车轴温风冷系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3711682A1 (de) * 1987-04-07 1988-09-15 Daimler Benz Ag Luftkuehlung fuer eine fahrzeugbremse
DE3735921C1 (de) * 1987-10-23 1988-12-01 Audi Ag Vorrichtung zur Beeinflussung des Kuehlluftstroms an einem Kraftfahrzeug
DE102008039728A1 (de) * 2008-08-26 2010-03-04 Bayerische Motoren Werke Aktiengesellschaft Luftführungseinrichtung
US20110308763A1 (en) * 2010-06-17 2011-12-22 Gm Global Technology Operations, Inc. Fuel efficient powertrain cooling systems and radiator modules
US20120071075A1 (en) * 2010-09-17 2012-03-22 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Air guiding device for guiding radiator outlet air for a radiator unit
US20120318476A1 (en) * 2011-06-20 2012-12-20 GM Global Technology Operations LLC Combined condensation radiator fan module and brake cooling duct shutter system
US20130248265A1 (en) * 2012-03-22 2013-09-26 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Motor vehicle with a device for supplying cooling air
DE102015009374A1 (de) * 2015-07-18 2016-03-24 Daimler Ag Kraftfahrzeug mit Bremskühlung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4420068A1 (de) * 1994-06-08 1995-12-14 Bayerische Motoren Werke Ag Kühlluftzuführung für die Radbremsen eines Kraftfahrzeuges
CZ2013470A3 (cs) * 2013-06-18 2015-02-11 Ĺ koda Auto a. s. Proudový přepínač

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3711682A1 (de) * 1987-04-07 1988-09-15 Daimler Benz Ag Luftkuehlung fuer eine fahrzeugbremse
DE3735921C1 (de) * 1987-10-23 1988-12-01 Audi Ag Vorrichtung zur Beeinflussung des Kuehlluftstroms an einem Kraftfahrzeug
DE102008039728A1 (de) * 2008-08-26 2010-03-04 Bayerische Motoren Werke Aktiengesellschaft Luftführungseinrichtung
US20110308763A1 (en) * 2010-06-17 2011-12-22 Gm Global Technology Operations, Inc. Fuel efficient powertrain cooling systems and radiator modules
US20120071075A1 (en) * 2010-09-17 2012-03-22 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Air guiding device for guiding radiator outlet air for a radiator unit
US20120318476A1 (en) * 2011-06-20 2012-12-20 GM Global Technology Operations LLC Combined condensation radiator fan module and brake cooling duct shutter system
DE102012209980A1 (de) 2011-06-20 2012-12-20 GM Global Technology Operations LLC (n.d. Ges. d. Staates Delaware) Kombiniertes Kondensationskühler-Lüftermodul und Bremskühlkanal-Verschlusssystem
US20130248265A1 (en) * 2012-03-22 2013-09-26 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Motor vehicle with a device for supplying cooling air
DE102015009374A1 (de) * 2015-07-18 2016-03-24 Daimler Ag Kraftfahrzeug mit Bremskühlung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112839860A (zh) * 2018-10-18 2021-05-25 兰博基尼汽车股份有限公司 用于控制汽车上的气动载荷的调节装置
US11725569B1 (en) * 2022-06-30 2023-08-15 Honda Motor Co., Ltd. Air duct for water ingress management in a vehicle

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