US20100326377A1 - Cooling device for vehicle - Google Patents

Cooling device for vehicle Download PDF

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Publication number
US20100326377A1
US20100326377A1 US12/622,898 US62289809A US2010326377A1 US 20100326377 A1 US20100326377 A1 US 20100326377A1 US 62289809 A US62289809 A US 62289809A US 2010326377 A1 US2010326377 A1 US 2010326377A1
Authority
US
United States
Prior art keywords
blades
blade
vehicle
angle
cooling device
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.)
Abandoned
Application number
US12/622,898
Other languages
English (en)
Inventor
Kyoung Uk Nam
Jeong Han Lee
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.)
Hyundai Motor Co
Kia Corp
Original Assignee
Hyundai Motor Co
Kia Motors Corp
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 Hyundai Motor Co, Kia Motors Corp filed Critical Hyundai Motor Co
Assigned to HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION reassignment HYUNDAI MOTOR COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, JEONG HAN, NAM, KYOUNG UK
Publication of US20100326377A1 publication Critical patent/US20100326377A1/en
Abandoned legal-status Critical Current

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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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
    • 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
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/12—Filtering, cooling, or silencing cooling-air
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form

Definitions

  • the present invention is directed to a field of cooling a vehicle, and more specifically to a cooling device for a vehicle, having a cooling fan that coercively introduces external air into a heat exchanger and a radiator provided in the vehicle for convective heat transfer.
  • a vehicle in general, includes a cooling fan that coercively introduces external air into a heat exchanger, which is provided for cooling an engine received in an engine chamber, and a radiator, which is provided for cooling the inside of the vehicle, in order to cause a convective heat transfer.
  • the cooling fan includes a hub connected to a driving shaft and a plurality of blades that are provided on the outer circumferential surface of the hub and adapted to be rotated with the hub.
  • the plurality of blades are arranged so that the interval between two neighboring blades is equal to the interval between other two neighboring blades.
  • a noise from the cooling fan may be separated into a wind sound and a segmental sound.
  • the segmental sound has a BPF (Blade Passing Frequency) and may cause a high-frequency “buzz” in the vehicle, thus making a driver troublesome.
  • BPF Board Passing Frequency
  • Various aspects of the present invention are directed to provide a cooling device for a vehicle, which may reduce a segmental sound made when a cooling fan included in the cooling device coercively introduces external air into heat exchanger and radiator and to provide a cooling device for a vehicle, which may prevent a high-frequency “buzz” from being generated in the vehicle when the segmental sound is transferred to the inside of the vehicle, thus guaranteeing a pleasant drive.
  • a cooling device for a vehicle may include a heat exchanger provided to cool an engine of the vehicle; a radiator provided near a side of and in parallel with the heat exchanger to cool an inside of the vehicle; and a cooling fan provided near a side of the radiator to coercively introduce external air into the heat exchanger and the radiator, wherein the cooling fan includes a hub connected to a driving shaft, and a plurality of blades radially arranged on an outer circumferential surface of the hub, wherein the plurality of blades are arranged so that a spaced area between two neighboring blades is different from a spaced area between other two neighboring blades, and wherein a sum of all vectors for the plurality of blades is not zero, the vector being reached from the center of the hub to a reference point of each blade.
  • the cooling fan may further include a band that holds distal ends of the each blade to prevent the plurality of blades from vibrating upon rotation.
  • the plurality of blades may be arranged so that an air flow generated when the external air passes through the plurality of blades is distributed.
  • a spaced area between two neighboring blades may have a size to form the plurality of blades.
  • the plurality of blades may be arranged so that a spaced area between two neighboring blades increases or decreases two consecutive times or more.
  • An angle between vectors of two neighboring blades may be different from an angle between vectors of other two neighboring blades.
  • An angle between two neighboring vectors for the plurality of blades may be adapted to allow for forming the cooling fan.
  • the plurality of blades may be odd-numbered, wherein the number of the plurality of blades is 7, and wherein vectors of any two neighboring blades is not less than approximately 37°.
  • One of the seven blades may be selected as a first blade which is a reference blade, and wherein in terms of the vectors for the plurality of blades, an angle between the first blade and a second blade is approximately 43.4°, an angle between the second blade and a third blade is approximately 69.5°, an angle between the third blade and a fourth blade is approximately 48.4°, an angle between the fourth blade and a fifth blade is approximately 37.4°, an angle between the fifth blade and a sixth blade is approximately 58.7°, an angle between the sixth blade and a seventh blade is approximately 63.3°, and an angle between the seventh blade and the first blade is approximately 39.3°.
  • the reference point may be positioned at the center of gravity of the each blade.
  • the cooling device for a vehicle is formed so that a spaced area between any two neighboring ones of the plurality of blades included in the cooling fan is different from that between other two neighboring blades, when it is assumed that a vector for the blade reaches from the center of the hub via a reference point of the blade to a band, a sum of all vectors for the plurality of blades is not zero.
  • an air flow passing through the spaced is unevenly distributed, so that the segmental sound may be reduced.
  • FIG. 1 is an exploded perspective view illustrating a cooling device for a vehicle according to an exemplary embodiment of the present invention.
  • FIG. 2 is a front view illustrating a cooling fan shown in FIG. 1 .
  • FIG. 3 is a view illustrating in a vector representation a plurality of blades included in the cooling fan shown in FIG. 2 .
  • FIG. 4 is a graph for comparing noises generated from the cooling fan shown in FIG. 1 with noises generated from a cooling fan according to the prior art, which has a plurality of blades uniformly spaced.
  • FIG. 1 is an exploded perspective view illustrating a cooling device for a vehicle according to an exemplary embodiment of the present invention
  • FIG. 2 is a front view illustrating a cooling fan shown in FIG. 1
  • FIG. 3 is a view illustrating in a vector representation a plurality of blades included in the cooling fan shown in FIG. 2
  • FIG. 4 is a graph for comparing noises generated from the cooling fan shown in FIG. 1 with noises generated from a cooling fan according to the prior art, which has a plurality of blades uniformly spaced.
  • the cooling device for a vehicle includes a heat exchanger 1 , a radiator 2 , and a cooling fan 10 .
  • the heat exchanger 1 is provided in an engine chamber of the vehicle to cool the engine.
  • the radiator 2 is provided near a side of and in parallel with the heat exchanger 1 to cool the inside of the vehicle.
  • the cooling fan 10 is arranged near a side of the radiator 2 to coercively introduce external air into the heat exchanger 1 and the radiator 2 .
  • An engine is accommodated in the engine chamber of the vehicle to operate the vehicle.
  • the heat exchanger 1 is arranged near a side of the engine to cool the heated engine.
  • the radiator 2 is arranged near a side of the heat exchanger 1 (generally, at the rear side of the heat exchanger 1 ) in parallel with the heat exchanger 1 to cool the inside of the vehicle.
  • the cooling fan 10 is provided to introduce external air into the heat exchanger 1 and the radiator 2 when the heat exchanger 1 and the radiator 2 operate to cool the engine and the inside of the vehicle, respectively.
  • a shroud 3 is provided near a side of the cooling fan 10 to prevent unwanted materials from entering the cooling fan 10 , so that the external air may smoothly flow into the heat exchanger 1 and the radiator 2 .
  • the cooling fan 10 includes a hub 10 a connected to a driving shaft of a motor provided for driving the cooling fan 10 and a plurality of blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 that are radially arranged on the outer circumferential surface of the hub 10 a.
  • the cooling fan 10 As the cooling fan 10 rotates by the motor, the plurality of blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 rotate correspondingly. Such rotation of the blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 causes the cooling fan 10 to be vibrated. To prevent such vibration, the cooling fan 10 further includes a band 10 b that holds one ends of the blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 .
  • the plurality of blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 are arranged so that an air flow generated when the external air introduced into the heat exchanger 1 and the radiator 2 passes through the blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 is distributed and the spaced area between any two neighboring blades is different from the spaced area between other two neighboring blades.
  • the spaced area between any two neighboring blades is adapted to allow for forming the plurality of blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 .
  • the plurality of blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 are arranged so that the spaced area between any two neighboring blades increases or decreases two consecutive times or more.
  • the blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 may be represented in terms of vectors as shown in FIG. 3 .
  • the angle ⁇ refers to the angle between two neighboring vectors.
  • the vector for each blade may reach from the center of the hub 10 a via a reference point of the blade up to the band 10 b.
  • the reference point of each blade may be randomly selected by a user as long as the reference point for one blade is identical to that for the others in terms of the position.
  • the reference point for each blade may be positioned at the center of gravity of the blade.
  • the plurality of blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 may be odd-numbered. In this exemplary embodiment, the number of the blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 is seven. And, when the blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 are represented as vectors, the sum of the overall vectors is not zero.
  • the angle ⁇ between any two neighboring vectors is adapted to allow for forming the blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 .
  • the angle ⁇ may be adapted to be at least not less than 37° to, in addition to allow for forming, prevent the blades from being subjected to increase of the amount of deviation or distortion when the cooling fan 10 is formed.
  • the cooling fan 10 includes seven blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 .
  • One of the seven blades is selected as a first blade which is a reference blade.
  • the first blade 11 shown in FIG. 2 is chosen as the reference blade.
  • the other six blades than the first blade 11 are radially arranged so that the bending parts thereof are oriented counterclockwise as viewed from the radiator 2 .
  • the vector of a second blade 12 is spaced from the first blade 11 by an angle of 43.4°, a third blade 13 112.9°, a fourth blade 14 161.3°, a fifth blade 15 198.7°, a sixth blade 16 257.4°, a seventh blade 17 320.7°.
  • the angle ⁇ between the first blade 11 and the second blade 12 is 43.4°
  • angle ⁇ increases or decreases two consecutive times or more, and this also means that the spaced area between any two neighboring blades increases or decreases two consecutive times or more.
  • the angle between any two neighboring blades should be at least not less than the minimum angle, 37°, to allow for forming the blades 11 , 12 , 13 , 14 , 15 , 16 , and 17 .
  • angles ⁇ between the two neighboring blades substantially draw a sine curve in the graph.
  • angle ⁇ between the two neighboring blades continuously increases or decreases two times or more as described above, it can be possible to obtain various sizes of spaced areas between the plurality of blades.
  • the cooling fan 10 When the heat exchanger 1 and the radiator 2 operate to cool the engine and the inside of the vehicle, respectively, the cooling fan 10 operates correspondingly. At this time, the hub 10 a rotates, which is provided in the cooling fan 10 and connected to the driving shaft of the motor.
  • the plurality of blades which are radially arranged on the outer circumferential surface of the hub 10 a , revolve along with the hub 10 a .
  • the rotation of the blades allows external air to be introduced into the heat exchanger 1 and the radiator 2 .
  • an air flow occurs.
  • the spaced area between any two neighboring blades is adapted to be different from that between other two neighboring blades and similarly, the angle ⁇ between two neighboring blades is adapted to be different from that between other two neighboring blades.
  • FIG. 4 is a graph for comparing noises generated from the cooling fan shown in FIG. 1 with noises generated from a cooling fan according to the prior art, which has a plurality of blades uniformly spaced.
  • the angle ⁇ ′ between any two neighboring blades as included in the cooling fan according to the prior art would be 51.4°, and the angle ⁇ between any two neighboring blades would be equal to that as described above.
  • the maximum value of a frequency is set up to 50 Hz.
  • the value, 4 dB refers to a minimally reduced value, and as shown in FIG. 4 , the cooling fan according to this exemplary embodiment makes a large difference from the cooling fan according to the prior art as to the degree of drop of the segmental sound.
  • the cooling device may distribute the air flow generated when its cooling fan introduces external air into the heat exchanger and the radiator, noises may be reduced, thereby guaranteeing a pleasant drive.

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  • 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)
US12/622,898 2009-06-30 2009-11-20 Cooling device for vehicle Abandoned US20100326377A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090059301A KR20110001664A (ko) 2009-06-30 2009-06-30 자동차
KR10-2009-0059301 2009-06-30

Publications (1)

Publication Number Publication Date
US20100326377A1 true US20100326377A1 (en) 2010-12-30

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ID=43299173

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/622,898 Abandoned US20100326377A1 (en) 2009-06-30 2009-11-20 Cooling device for vehicle

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US (1) US20100326377A1 (de)
KR (1) KR20110001664A (de)
CN (1) CN101934725A (de)
DE (1) DE102009044787A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110114286A1 (en) * 2008-12-05 2011-05-19 Mitsubishi Heavy Industries, Ltd. Vehicle heat-exchange module and vehicle having the same
CN104776055A (zh) * 2015-04-21 2015-07-15 成都华川电装有限责任公司 汽车发动机用扇叶结构
US20160146088A1 (en) * 2014-11-20 2016-05-26 Jeff Richardson Cooling Fan Assembly
US10480527B2 (en) 2017-05-05 2019-11-19 Robert Bosch Gmbh Axial fan with unbalanced blade spacing
US20220112901A1 (en) * 2019-01-23 2022-04-14 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Impeller of a motor vehicle

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102788043B (zh) * 2012-08-03 2015-04-01 南充工塑零部件有限公司 发动机风扇
KR102096512B1 (ko) * 2014-02-25 2020-04-03 한온시스템 주식회사 차량용 쿨링팬
FR3081942B1 (fr) * 2018-05-31 2021-05-21 Valeo Systemes Thermiques Turbine pour ventilateur tangentiel destine a equiper un vehicule automobile, ventilateur tangentiel, dispositif de ventilation et module d’echange de chaleur pour vehicule automobile
CN111022174A (zh) * 2019-04-09 2020-04-17 长城汽车股份有限公司 车辆的散热器以及车辆
CN110816389A (zh) * 2019-11-15 2020-02-21 上海海洋大学 冷藏厢气流输送风窗
KR102589747B1 (ko) * 2023-01-06 2023-10-16 주식회사 에이투지오토 형상 변형 블레이드 기반의 냉각팬

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080101936A1 (en) * 2006-11-01 2008-05-01 Jeong-Han Lee Fan for vehicle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080101936A1 (en) * 2006-11-01 2008-05-01 Jeong-Han Lee Fan for vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110114286A1 (en) * 2008-12-05 2011-05-19 Mitsubishi Heavy Industries, Ltd. Vehicle heat-exchange module and vehicle having the same
US8573343B2 (en) * 2008-12-05 2013-11-05 Mitsubishi Heavy Industries, Ltd. Vehicle heat-exchange module and vehicle having the same
US20160146088A1 (en) * 2014-11-20 2016-05-26 Jeff Richardson Cooling Fan Assembly
CN104776055A (zh) * 2015-04-21 2015-07-15 成都华川电装有限责任公司 汽车发动机用扇叶结构
US10480527B2 (en) 2017-05-05 2019-11-19 Robert Bosch Gmbh Axial fan with unbalanced blade spacing
US20220112901A1 (en) * 2019-01-23 2022-04-14 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Impeller of a motor vehicle

Also Published As

Publication number Publication date
DE102009044787A1 (de) 2011-01-05
KR20110001664A (ko) 2011-01-06
CN101934725A (zh) 2011-01-05

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Legal Events

Date Code Title Description
AS Assignment

Owner name: KIA MOTORS CORPORATION, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NAM, KYOUNG UK;LEE, JEONG HAN;REEL/FRAME:023551/0149

Effective date: 20091117

Owner name: HYUNDAI MOTOR COMPANY, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NAM, KYOUNG UK;LEE, JEONG HAN;REEL/FRAME:023551/0149

Effective date: 20091117

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION