EP1929137B1 - Systeme de refroidissement d'un vehicule - Google Patents

Systeme de refroidissement d'un vehicule Download PDF

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Publication number
EP1929137B1
EP1929137B1 EP06793245.9A EP06793245A EP1929137B1 EP 1929137 B1 EP1929137 B1 EP 1929137B1 EP 06793245 A EP06793245 A EP 06793245A EP 1929137 B1 EP1929137 B1 EP 1929137B1
Authority
EP
European Patent Office
Prior art keywords
fan
cooling arrangement
vehicle
air
heat exchangers
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
EP06793245.9A
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German (de)
English (en)
Other versions
EP1929137A1 (fr
Inventor
Mattias Lang
Nicolai Tarasinski
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.)
Deere and Co
Original Assignee
Deere and Co
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Filing date
Publication date
Application filed by Deere and Co filed Critical Deere and Co
Priority to PL06793245T priority Critical patent/PL1929137T3/pl
Publication of EP1929137A1 publication Critical patent/EP1929137A1/fr
Application granted granted Critical
Publication of EP1929137B1 publication Critical patent/EP1929137B1/fr
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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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid 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
    • 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
    • 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
    • F01P2003/182—Arrangements or mounting of liquid-to-air heat-exchangers with multiple 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
    • F01P2005/025—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers using two or more air 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
    • F01P7/00—Controlling of coolant flow
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio

Definitions

  • the invention relates to a cooling arrangement of a movable in a direction of travel vehicle comprising at least two heat exchangers and an operating air sucking through the heat exchanger and the air at an angle to the suction ejecting fan, wherein the air-flow surfaces of the heat exchangers extend at least approximately in the direction of travel and at least approximately vertically arranged and the fan is arranged between the heat exchangers.
  • An off-highway vehicle cooling system that includes a motor or hydraulic oil coolant heat exchanger and a blower that applies an airflow to the heat exchanger.
  • the blower is a radial blower that draws air through the heat exchanger located at the rear of the vehicle, transverse to the direction of travel, and expels the heated air upwards.
  • a disadvantage is to be considered that the space available for the heat exchanger surface is limited. This is especially true for vehicles in which the heat exchangers are arranged within a cuboid hood area, as in agricultural tractors. Although it would be possible to increase the cooling capacity, make the heat exchanger in the air flow direction thicker, but this would require a higher flow resistance and a disproportionate in proportion to the increase in cooling capacity fan performance.
  • the FR 630 262 A shows an automobile with two arranged on both front side oil cooler, which extend vertically and approximately in the forward direction. In the area between the oil coolers, there is an axial fan with a horizontal, forwardly extending axis of rotation that draws in outside air through the oil coolers and discharges to the rear. Due to the positioning of the axial fan and the orientation of its axis of rotation, a relatively large amount of space is required for the cooling arrangement.
  • the US 5 065 814 A shows a cooling arrangement, suck in two juxtaposed axial fan, the air through a extending on the vehicle front side heat exchanger.
  • the DE 100 62 534 A1 shows a cooling arrangement for a working machine, in which a respective radial fan is arranged between two heat exchangers.
  • the axis of rotation of the centrifugal fan extends parallel to the surfaces of the heat exchangers.
  • the problem underlying the invention is seen to improve a cooling arrangement of a vehicle with a heat exchanger to the effect that in a compact arrangement, a sufficient cooling performance is achieved.
  • the cooling arrangement comprises at least two heat exchangers and a fan which, during operation, sucks air through the heat exchangers and ejects them again at an angle to the suction direction.
  • the air flow surfaces of the heat exchangers are at least approximately in the direction of travel and arranged vertically and the fan sandwiched between the heat exchangers. The air is thus sucked in opposite directions transverse to the direction of travel, flows through the heat exchanger, and is finally ejected by the fan in a direction opposite to the suction direction at an angle of preferably 90 ° deflected direction.
  • a blower a double-flow radial fan can be used, the air from both sides sucked axially and releases it in the radial direction again.
  • the fan may contrary to its direction of rotation curved blades or as a so-called drum rotor in the direction of rotation curved blades.
  • the axis of rotation of the fan extends horizontally and transversely to the forward direction.
  • the drive of the fan can be done by an internal combustion engine ago by a mechanical drive train.
  • the fan is driven hydraulically or electrically, which offers the advantage of a variable, adapted to the respective cooling power requirement speed.
  • the speed can be controlled (adjusted or regulated) by a suitable control, which is supplied information about the temperatures of the coolant in the heat exchanger and the temperature of the ambient air, that the lowest possible (energy-saving) speed is used, but the cooling power requirement becomes.
  • two back-to-back, single-flow centrifugal blowers are used, they have jointly or preferably separately adjustable rotational speeds, so that the two heat exchangers, which can supply different units with coolant, can be driven at the respectively suitable speed.
  • the fan is surrounded by a guide which includes an outlet for the air located at the top of the fan. Because of your lower density increases the heated air in the heat exchangers up, which supports the conveying effect and avoids unwanted recirculation.
  • FIG. 1 shows the front portion of a vehicle 10 in the form of an agricultural tractor comprising a cuboid hood portion 12 which is enclosed by struts (not shown) for supporting a hood 34 (see FIG. FIG. 2 ) serve.
  • a hood area 12 At the rear of the hood area 12 there is an internal combustion engine 16.
  • a holder 18 Connected to the frame (not shown) of the vehicle 10 is a holder 18 which carries a cooling arrangement 20 according to the invention.
  • the cooling arrangement 20 comprises a first heat exchanger 22 designed as a crossflow heat exchanger known per se, a second heat exchanger 24 designed as a conventional crossflow heat exchanger and a blower 26.
  • the first heat exchanger 22 is located on the right side of the hood area 12 in the direction of travel and has an air flow through it Surface 28, which extends vertically and in the direction of travel 30 of the vehicle 10.
  • the second heat exchanger 24 is located on the left in the direction of travel of the hood portion 12 and has an air-flow surface 28 which extends vertically and in the direction 30 of the vehicle 10.
  • the fan 26 which is a double-flow radial fan with trailing curved blades 32 and horizontally and transversely to the direction of travel 30 extending axis of rotation.
  • FIG. 2 taken in which the front portion of the vehicle 10 with attached hood 34 is shown.
  • the blower 26 is now provided with an associated guide 36 which radially encloses it and leaves open only an outlet 38 at the top of the blower 26, which is aligned with an opening 40 in the hood 34.
  • the hood 34 further includes side openings 42 that are aligned with the surfaces 28 of the heat exchangers 22, 24. In the openings 42 screens or grids may be located to prevent the ingress of at least larger foreign body.
  • the blower 26 is rotated about its axis by an associated drive (electrically or hydraulically or mechanically from the engine 16). It sucks due to its rotation with its trailing curved blades 32 from its two sides relatively clean air flows, which are oriented axially to the direction of rotation of the blower 26 and therefore horizontally and transversely to the direction of travel 30 respectively through the openings 42 and through the surfaces 28 of the heat exchanger 22, 24 and flow through the latter to the blower 26.
  • the fan 26 is the sucked air in the radial direction again.
  • the baffle 36 causes the sucked, heated air to be expelled only through the outlet 38 and the opening 40 at the top of the blower 26 upwards.
  • the heat exchangers 22, 24 can be traversed by any, in particular by means of associated pumps, compressors or turbines promoted coolant of the vehicle, for.
  • each of the heat exchangers 22, 24 flows through a coolant, which is associated with a cooling circuit of another unit of the vehicle 10, in particular one of the aforementioned cooling circuits.
  • the heat exchangers 22, 24 may also be composed of separate heat exchangers arranged one behind the other in the direction of travel 30 and / or vertically one above the other and / or transversely to the direction of travel, which heat exchangers are assigned to different cooling circuits.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Claims (7)

  1. Système de refroidissement (20) d'un véhicule (10) déplaçable dans une direction de conduite (30), qui comprend au moins deux échangeurs de chaleur (22, 24) et une soufflante (26) aspirant de l'air à travers les échangeurs de chaleur (22, 24) pendant le fonctionnement et expulsant l'air suivant un certain angle par rapport à la direction d'aspiration, les surfaces (28) parcourues par l'air des échangeurs de chaleur (22, 24) s'étendant au moins approximativement dans la direction de conduite (30) et étant disposées au moins approximativement verticalement et la soufflante (26) étant disposée entre les échangeurs de chaleur (22, 24), caractérisé en ce que la soufflante (26) comprend une soufflante radiale à deux cannelures et en ce que l'axe de rotation de la soufflante (26) s'étend horizontalement et transversalement à la direction de conduite.
  2. Système de refroidissement (20) selon la revendication 1, caractérisé en ce que la soufflante (26) comprend des aubes (32) courbées dans le sens de rotation ou dans le sens opposé.
  3. Système de refroidissement (20) selon la revendication 1 ou 2, caractérisé en ce que la soufflante (26) est entourée par un dispositif conducteur (36) qui comprend une sortie (38) disposée sur le côté supérieur de la soufflante (26), laquelle guide de préférence l'air évacué chaud vers le haut pour éviter une recirculation.
  4. Système de refroidissement (20) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la soufflante radiale à deux cannelures présente une vitesse de rotation ajustable ou en ce que les deux soufflantes radiales à une cannelure, disposées dos à dos, présentent des vitesses de rotation ajustables séparément l'une de l'autre ou en commun.
  5. Système de refroidissement (20) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les deux échangeurs de chaleur (22, 24) sont disposés dans des circuits de refroidissement séparés qui alimentent différents groupes en fluide de refroidissement.
  6. Véhicule (10), en particulier tracteur agricole avec un système de refroidissement (20) selon l'une quelconque des revendications 1 à 5.
  7. Véhicule (10) selon la revendication 6, caractérisé en ce que le système de refroidissement (20) est disposé sous une région de hotte (12) de forme approximativement parallélépipédique.
EP06793245.9A 2005-09-21 2006-09-05 Systeme de refroidissement d'un vehicule Active EP1929137B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06793245T PL1929137T3 (pl) 2005-09-21 2006-09-05 Układ chłodzenia pojazdu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005045052A DE102005045052A1 (de) 2005-09-21 2005-09-21 Kühlanordnung eines Fahrzeugs
PCT/EP2006/066036 WO2007033903A1 (fr) 2005-09-21 2006-09-05 Systeme de refroidissement d'un vehicule

Publications (2)

Publication Number Publication Date
EP1929137A1 EP1929137A1 (fr) 2008-06-11
EP1929137B1 true EP1929137B1 (fr) 2013-05-01

Family

ID=37387326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06793245.9A Active EP1929137B1 (fr) 2005-09-21 2006-09-05 Systeme de refroidissement d'un vehicule

Country Status (6)

Country Link
US (1) US20110192578A1 (fr)
EP (1) EP1929137B1 (fr)
DE (1) DE102005045052A1 (fr)
ES (1) ES2423894T3 (fr)
PL (1) PL1929137T3 (fr)
WO (1) WO2007033903A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110277973A1 (en) * 2010-05-17 2011-11-17 Foley Jason J Cooling Circuit With Parallel Radiators
CA2779475C (fr) * 2012-05-29 2015-04-07 Macdon Industries Ltd. Tracteur de faucheuse-andaineuse avec echangeurs de chaleur paralleles pour le refroidissement du moteur et des fluides connexes
US9109594B2 (en) * 2012-08-21 2015-08-18 Daniel R. Pawlick Radiator configuration
US10514205B2 (en) 2016-04-10 2019-12-24 Forum Us, Inc. Heat exchanger unit
US10533881B2 (en) 2016-04-10 2020-01-14 Forum Us, Inc. Airflow sensor assembly for monitored heat exchanger system
US10545002B2 (en) 2016-04-10 2020-01-28 Forum Us, Inc. Method for monitoring a heat exchanger unit
US10502597B2 (en) 2016-04-10 2019-12-10 Forum Us, Inc. Monitored heat exchanger system
US10520220B2 (en) 2016-04-10 2019-12-31 Forum Us, Inc. Heat exchanger unit
SE541592C2 (en) 2016-04-15 2019-11-12 Scania Cv Ab An air intake assembly, a cooling system and a motor vehicle
FR3076603B1 (fr) * 2018-01-09 2020-05-22 Valeo Systemes Thermiques Unite de refroidissement pour vehicule automobile
US11098962B2 (en) 2019-02-22 2021-08-24 Forum Us, Inc. Finless heat exchanger apparatus and methods
US11946667B2 (en) 2019-06-18 2024-04-02 Forum Us, Inc. Noise suppresion vertical curtain apparatus for heat exchanger units

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DE205050C (fr) *
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FR630262A (fr) * 1926-05-25 1927-11-30 Lyonnais Rochet Schneider Ets Radiateur d'huile
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Also Published As

Publication number Publication date
PL1929137T3 (pl) 2013-09-30
EP1929137A1 (fr) 2008-06-11
ES2423894T3 (es) 2013-09-25
DE102005045052A1 (de) 2007-09-20
WO2007033903A1 (fr) 2007-03-29
US20110192578A1 (en) 2011-08-11

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