KR20060016435A - Cooling fan motor cooling structure of vehicles - Google Patents

Cooling fan motor cooling structure of vehicles Download PDF

Info

Publication number
KR20060016435A
KR20060016435A KR1020040064866A KR20040064866A KR20060016435A KR 20060016435 A KR20060016435 A KR 20060016435A KR 1020040064866 A KR1020040064866 A KR 1020040064866A KR 20040064866 A KR20040064866 A KR 20040064866A KR 20060016435 A KR20060016435 A KR 20060016435A
Authority
KR
South Korea
Prior art keywords
motor
cooling fan
cooling
hub
circumferential surface
Prior art date
Application number
KR1020040064866A
Other languages
Korean (ko)
Other versions
KR100622000B1 (en
Inventor
박종현
Original Assignee
현대모비스 주식회사
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 현대모비스 주식회사 filed Critical 현대모비스 주식회사
Priority to KR1020040064866A priority Critical patent/KR100622000B1/en
Publication of KR20060016435A publication Critical patent/KR20060016435A/en
Application granted granted Critical
Publication of KR100622000B1 publication Critical patent/KR100622000B1/en

Links

Images

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
    • 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
    • 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
    • F04D29/5806—Cooling the drive system
    • 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
    • F01P2050/00—Applications
    • F01P2050/22—Motor-cars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation

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)

Abstract

본 발명은 자동차의 쿨링팬 모터 냉각구조에 관한 것으로, 모터(30)가 장착되는 모터지지대(11)에 모터(30)의 주변으로 환형의 가이드(12)가 형성되고, 이 가이드(12)의 원주내에 후단부가 위치되도록 쿨링팬(20) 허브(21)의 원주면(21a)이 경사지게 형성된 구조로 이루어진다.The present invention relates to a cooling fan motor cooling structure of an automobile, wherein an annular guide (12) is formed around the motor (30) on a motor support (11) on which the motor (30) is mounted. The circumferential surface 21a of the hub 21 of the cooling fan 20 is formed to be inclined so that the rear end portion is positioned in the circumference.

따라서, 쿨링팬(20) 회전시 공기가 상기 허브(21)의 원주면(21a)을 따라 진행하다가 가이드(12)에 의해 진행방향이 바뀌어 허브(21)의 내부로 유입된다.Therefore, when the cooling fan 20 rotates, air travels along the circumferential surface 21a of the hub 21, and the traveling direction is changed by the guide 12 to be introduced into the hub 21.

따라서, 허브(21)내에 위치한 모터(30)의 냉각작용이 활발하게 일어나 과열로 인한 모터 성능 저하 현상이 발생하지 않게 되는 효과가 있다.Therefore, the cooling action of the motor 30 located in the hub 21 is active, there is an effect that the motor performance deterioration phenomenon due to overheating does not occur.

Description

자동차의 쿨링팬 모터 냉각구조{cooling fan motor cooling structure of vehicles}Cooling fan motor cooling structure of vehicles

도 1은 종래 구조로서, 쿨링팬 장착 상태도,1 is a conventional structure, a cooling fan mounting state diagram,

도 2는 본 발명에 따른 쿨링팬 모터 냉각구조가 적용된 쿨링팬 장착 상태도이다.2 is a cooling fan mounting state diagram to which a cooling fan motor cooling structure according to the present invention is applied.

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10 : 팬쉬라우드, 11 : 모터지지대,10: fan shroud, 11: motor support,

12 : 가이드, 20 : 쿨링팬,12: guide, 20: cooling fan,

21 : 허브, 21a : 원주면,21: hub, 21a: circumferential surface,

30 : 모터, 31 : 회전축.30: motor, 31: rotating shaft.

본 발명은 자동차의 쿨링팬에 관한 것으로, 특히 쿨링팬을 회전시키는 모터의 냉각이 원활히 이루어지도록 하기 위한 쿨링팬 모터 냉각구조에 관한 것이다.The present invention relates to a cooling fan of an automobile, and more particularly, to a cooling fan motor cooling structure for smoothly cooling a motor for rotating a cooling fan.

자동차의 엔진은 운전중 지속적으로 연료를 폭발시켜 작동되는 것이므로, 연 료 폭발에 의한 고열이 누적되면 부품간에 소착이 발생하거나 파손되므로, 인위적인 강제 냉각을 통해 반드시 일정 온도 이하로 엔진 온도를 유지할 필요가 있다.Since the engine of a car is operated by continuously exploding fuel while driving, when high heat accumulated by fuel explosion accumulates or breaks down between parts, it is necessary to keep the engine temperature below a certain temperature through artificial forced cooling. have.

이를 위해 대부분 엔진의 몸체 내부로 냉각수를 순환시켜 냉각을 행하고, 엔진과 열교환하여 가열된 냉각수는 라디에이터를 통과하도록 하여 대기중으로 열을 방출할 수 있도록 되어 있다.To this end, most of the cooling water is circulated inside the engine body to perform cooling, and the cooling water heated by heat exchange with the engine passes through a radiator to release heat to the atmosphere.

한편, 여름철 자동차의 실내를 냉방하기 위해서는 에어컨을 작동시켜야 하는데, 에어컨 시스템 중에는 냉매를 응축시키기 위해 일종의 방열기인 콘덴서가 필요하다.Meanwhile, in order to cool the interior of a summer car, an air conditioner must be operated. In the air conditioner system, a condenser, which is a type of radiator, is required to condense a refrigerant.

따라서, 엔진룸에는 냉각수열 방출을 위한 라디에이터와 냉매열 방출을 위한 콘덴서가 위치하게 되며, 이들의 공기와의 열교환 작용이 활발히 이루어지도록 쿨링팬을 장착하고 있다.Therefore, in the engine room, a radiator for discharging the coolant heat and a condenser for discharging the coolant heat are positioned, and a cooling fan is mounted to actively exchange heat with the air.

상기 쿨링팬은 라디에이터용과 콘덴서용을 공용할 수도 있고, 각각의 전용으로 나누어 설치할 수도 있으며, 그 배치방법도 차종에 따라서 다양하게 실시되고 있으나, 공통적으로 쿨링팬은 팬쉬라우드라 불리우는 일종의 틀에 장착되어 진다.The cooling fan may be used for the radiator and the condenser, or may be installed separately for each, and the arrangement method is also carried out in various ways depending on the vehicle type, but the cooling fan is commonly mounted in a type called a fan shroud. It is done.

그 장착예가 도 1에 도시되어 있다.The mounting example is shown in FIG.

도시된 바와 같이, 팬쉬라우드(10)에는 중앙을 향하여 모터지지대(11)가 형성되며, 이 모터지지대(11)에 구동용 모터(30)가 장착되고, 이 모터(30)의 회전축(31)에 쿨링팬(20)의 허브(21)가 장착된다.As shown, the fan shroud 10 has a motor support 11 is formed toward the center, the drive motor 30 is mounted on the motor support 11, the rotary shaft 31 of the motor 30 ) Is mounted to the hub 21 of the cooling fan 20.

따라서, 발전기로부터 전력을 전달받은 모터(30)가 작동되면, 쿨링팬(20)이 회전되어 상기 라디에이터와 콘덴서에 강제로 외기가 송풍됨으로써 공기와의 열교 환 작용이 보다 활발히 이루어지도록 되어 있다.Therefore, when the motor 30 received power from the generator is operated, the cooling fan 20 is rotated to force the outside air to blow to the radiator and the condenser to perform the heat exchange action with the air more actively.

그런데, 도시된 바와 같이 상기 모터(30)는 설치 공간의 축소를 위해서 원통형으로 형성된 쿨링팬(20)의 허브(21)내에 삽입되어 있게 된다.However, as shown in the drawing, the motor 30 is inserted into the hub 21 of the cooling fan 20 formed in a cylindrical shape to reduce the installation space.

따라서, 모터(30)와 열교환되지 않은 외기와의 접촉이 원활히 이루어지지 않게 됨으로써 모터(30) 작동시 발생되는 열을 효과적으로 방출할 수 없게 되며, 이에 의해 오랜 시간 작동하게 되면 모터(30)의 성능이 저하되는 문제점이 있었다.Therefore, since the contact between the motor 30 and the outside air that is not heat exchanged is not made smoothly, heat generated during the operation of the motor 30 cannot be effectively released, whereby the performance of the motor 30 when operated for a long time. There was a problem of this deterioration.

이에 본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로, 모터의 몸체 표면과 열교환되지 않은 새 공기와의 접촉량을 증가시켜 모터의 냉각이 원활하게 이루어지게 됨으로써 열피로에 의한 모터의 성능 저하 현상이 나타나지 않도록 된 자동차의 쿨링팬 모터 냉각구조를 제공함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems, by increasing the amount of contact of the motor body surface and the new air that is not heat exchanged to facilitate the cooling of the motor to reduce the performance of the motor due to thermal fatigue It is an object of the present invention to provide a cooling fan motor cooling structure of a vehicle in which a phenomenon does not appear.

상기와 같은 목적을 달성하기 위한 본 발명은, 팬쉬라우드에 형성된 모터지지대에 모터가 장착되고, 이 모터의 회전축에 쿨링팬의 허브가 장착되되, 이 허브가 모터를 감싸고 있는 구조로 이루어진 자동차의 쿨링팬 모터 장착구조에 있어서, 상기 모터지지대에 모터의 주변으로 환형의 가이드가 형성되고, 상기 허브의 원주면이 후방으로 갈수록 폭이 좁아지는 경사면으로 형성된 것을 특징으로 한다.The present invention for achieving the above object, the motor is mounted on the motor support formed in the fan shroud, the cooling shaft is mounted on the rotating shaft of the motor, the hub of the motor vehicle has a structure surrounding the motor In the cooling fan motor mounting structure, an annular guide is formed around the motor in the motor support, and the circumferential surface of the hub is formed as an inclined surface that becomes narrower toward the rear.

따라서, 상기 경사면에 의하여 외기가 가이더쪽으로 안내되고, 가이더에 의하여 허브의 내측으로 공급됨으로써 활발한 열교환 작용이 일어날 수 있게 된다.Therefore, the outside air is guided by the inclined surface toward the guider, and the inside of the hub is supplied by the guider so that an active heat exchange action can occur.

이하, 본 발명을 첨부된 예시도면을 참조하여 설명한다.Hereinafter, the present invention will be described with reference to the accompanying drawings.

도 2는 본 발명에 따른 쿨링팬 모터 냉각구조가 적용된 쿨링팬 장착 상태도로서, 본 발명은 모터지지대(11)에 추가 형성물이 성형되고, 허브(21)의 원주면 형상이 변경됨으로써 이루어진다.2 is a cooling fan mounting state diagram to which the cooling fan motor cooling structure according to the present invention is applied. The present invention is formed by forming an additional formation on the motor support 11 and changing the shape of the circumferential surface of the hub 21.

그 외, 팬쉬라우드(10)나 쿨링팬(20)의 날개부 및 모터(30)에는 변경 사항이 없다.In addition, there is no change in the blade portion and the motor 30 of the fan shroud 10 or the cooling fan 20.

즉, 틀 형태의 팬쉬라우드(10)에 중앙을 향한 복수개의 모터지지대(11)가 형성되고, 이 모터지지대(11)에 모터(30)가 장착되며, 이 모터(30)의 회전축(31)에 쿨링팬(20)의 허브(21)가 장착되는 기본 구조는 동일하다.That is, a plurality of motor supports 11 are formed in the frame-shaped fan shroud 10 toward the center, and the motor 30 is mounted on the motor supports 11, and the rotation shaft 31 of the motor 30 is formed. ) Is a basic structure in which the hub 21 of the cooling fan 20 is mounted.

본 발명은 상기 모터지지대(11)에 환형의 가이드(12)가 형성되는 것에 그 한 특징이 있다.The present invention is characterized in that the annular guide 12 is formed on the motor support (11).

상기 가이드(12)는 전술한 바와 같이 정면에서 보면 환형의 형상으로 이루어져 있으며, 도시된 바와 같이 그 단면을 살펴보면, 앞쪽 단부가 모터지지대(11)에 연결된 뒤쪽 단부보다 더 벌어져 있는 형상으로 형성된다.As described above, the guide 12 is formed in an annular shape, and when viewed in cross section as shown, the front end is formed in a shape that is wider than a rear end connected to the motor support 11.

또한 본 발명은 상기 쿨링팬(20) 허브(21)의 원주면(21a)이 경사면으로 형성되는 것에 또 한 특징이 있다.In addition, the present invention is characterized in that the circumferential surface 21a of the hub 21 of the cooling fan 20 is formed as an inclined surface.

상기 원주면(21a)은 허브(21)의 정면쪽이 지름이 크고, 후면쪽 즉, 모터지지대(11) 쪽이 지름이 작은 형상으로 형성된다.The circumferential surface 21a is formed in a shape in which the front side of the hub 21 has a large diameter and the rear side, that is, the motor support 11 side has a small diameter.

또한, 원주면(21a)의 후단부는 상기 가이드(12)의 내경 안쪽으로 형성된다.In addition, the rear end of the circumferential surface 21a is formed inside the inner diameter of the guide 12.

이제 본 발명의 작용 및 효과를 설명한다.The operation and effects of the present invention will now be described.

모터(30)가 작동하여 쿨링팬(20)이 회전되면 전면의 공기가 블레이드를 거쳐 후면으로 배출된다.When the cooling fan 20 is rotated by the operation of the motor 30, the air in the front is discharged to the rear through the blade.

이때, 허브(21)에 근접해 있는 공기는 허브(21)의 원주면(21a)을 따라 이동하게 되는데, 본 발명에서는 원주면(21a)이 후방쪽으로 갈수록 지름이 좁아지는 경사면으로 형성되어 있으므로, 후방으로 이동되는 공기도 허브(21)의 축방향 중심을 향하는 방향으로 경사지게 흐르게 된다.At this time, the air close to the hub 21 moves along the circumferential surface 21a of the hub 21. In the present invention, since the circumferential surface 21a is formed as an inclined surface that becomes narrower toward the rear side, The air moved to flow inclined in the direction toward the axial center of the hub 21.

이때, 허브(21)의 후단은 상기 모터지지대(11)에 형성된 가이드(12)의 원주 안에 위치하게 되므로, 허브(21)의 경사진 원주면(21a)을 따라 진행된 공기는 가이드(12)에 의해 방향 전환되어 허브(21)의 내부로 유입되게 된다.At this time, since the rear end of the hub 21 is located in the circumference of the guide 12 formed on the motor support 11, the air advanced along the inclined circumferential surface 21a of the hub 21 to the guide 12. By changing the direction is introduced into the hub (21).

이와 같이, 쿨링팬(20)이 회전하여 쿨링팬(20) 전면의 공기가 지속적으로 뒤쪽으로 이동되는 동안에는 모터(30)와 열교환되지 않은 외기가 지속적으로 허브(21)의 내측으로 공급되어 모터(30)와 열교환되게 된다.As such, while the cooling fan 20 is rotated so that the air in front of the cooling fan 20 is continuously moved to the rear, the outside air that is not heat-exchanged with the motor 30 is continuously supplied to the inside of the hub 21 and the motor ( Heat exchange with 30).

따라서, 모터(30)의 열방출이 보다 원활하게 이루어짐으로써 모터(30)가 과열되지 않음으로써 모터(30)의 성능이 저하되는 현상이 발생하지 않게 된다.Therefore, the heat dissipation of the motor 30 is made more smoothly, so that the motor 30 is not overheated so that the performance of the motor 30 is not degraded.

이상 설명한 바와 같이 본 발명에 따르면, 모터를 둘러싸고 있는 허브의 내부로 외기가 원활하게 유입될 수 있기 때문에, 모터의 냉각성능이 향상되어, 과열로 인한 모터 성능저하 현상을 방지할 수 있게 되는 효과가 있다.As described above, according to the present invention, since the outside air can smoothly flow into the interior of the hub surrounding the motor, the cooling performance of the motor is improved, and the effect of preventing the motor performance degradation due to overheating can be prevented. have.

따라서, 쿨링팬의 작동이 지속적으로 원활하게 이루어질 수 있게 됨으로써 라디에이터나 콘덴서의 냉각성능 향상도 기대할 수 있게 되는 효과가 있다.Therefore, since the operation of the cooling fan can be made continuously and smoothly, the cooling performance of the radiator or the condenser can be expected to be improved.

Claims (3)

팬쉬라우드(10)에 형성된 모터지지대(11)에 모터(30)가 장착되고, 이 모터(30)의 회전축(31)에 쿨링팬(20)의 허브(21)가 장착되되, 이 허브(21)가 모터(30)를 감싸고 있는 구조로 이루어진 자동차의 쿨링팬 모터 장착구조에 있어서,The motor 30 is mounted on the motor support 11 formed in the fan shroud 10, and the hub 21 of the cooling fan 20 is mounted on the rotation shaft 31 of the motor 30. In the cooling fan motor mounting structure of the vehicle consisting of a structure in which 21 is surrounding the motor 30, 상기 모터지지대(11)에 모터(30)의 주변으로 환형의 가이드(12)가 형성되고, 상기 허브(21)의 원주면(21a)이 후방으로 갈수록 폭이 좁아지는 경사면으로 형성된 것을 특징으로 하는 자동차의 쿨링팬 모터 냉각구조.An annular guide 12 is formed around the motor 30 on the motor support 11, and the circumferential surface 21a of the hub 21 is formed as an inclined surface that becomes narrower toward the rear. Cooling fan motor cooling structure of automobile. 제 1항에 있어서, 상기 가이드(12)는 앞쪽 부분의 지름이 넓고 뒤쪽 부분의 지름이 축소되는 형상으로 이루어진 것을 특징으로 하는 자동차의 쿨링팬 모터 냉각구조.2. The cooling fan motor cooling structure of claim 1, wherein the guide 12 has a shape in which a diameter of the front portion is wide and a diameter of the rear portion is reduced. 제 1항에 있어서, 상기 원주면(21a)의 후단은 상기 가이드(12)의 원주 내에 위치하는 것을 특징으로 하는 자동차의 쿨링팬 모터 냉각구조.2. The cooling fan motor cooling structure of an automobile according to claim 1, wherein the rear end of the circumferential surface (21a) is located in the circumference of the guide (12).
KR1020040064866A 2004-08-17 2004-08-17 cooling fan motor cooling structure of vehicles KR100622000B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020040064866A KR100622000B1 (en) 2004-08-17 2004-08-17 cooling fan motor cooling structure of vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040064866A KR100622000B1 (en) 2004-08-17 2004-08-17 cooling fan motor cooling structure of vehicles

Publications (2)

Publication Number Publication Date
KR20060016435A true KR20060016435A (en) 2006-02-22
KR100622000B1 KR100622000B1 (en) 2006-09-13

Family

ID=37124720

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020040064866A KR100622000B1 (en) 2004-08-17 2004-08-17 cooling fan motor cooling structure of vehicles

Country Status (1)

Country Link
KR (1) KR100622000B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210136694A (en) * 2020-05-08 2021-11-17 디와이오토 주식회사 Cooling fan shroud apparatus provided with air flow structure for motor cooling

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11001389B2 (en) * 2018-11-29 2021-05-11 General Electric Company Propulsion engine thermal management system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5110608U (en) 1974-07-11 1976-01-26
JP3087876B2 (en) * 1993-09-20 2000-09-11 株式会社富士通ゼネラル Outdoor unit of air conditioner
JPH07180697A (en) * 1993-12-24 1995-07-18 Fuji Electric Co Ltd Axial blower
KR100381202B1 (en) * 1999-01-19 2003-04-21 엘지전자 주식회사 An Axial Flow Fan with BLDC Motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210136694A (en) * 2020-05-08 2021-11-17 디와이오토 주식회사 Cooling fan shroud apparatus provided with air flow structure for motor cooling

Also Published As

Publication number Publication date
KR100622000B1 (en) 2006-09-13

Similar Documents

Publication Publication Date Title
JP5143094B2 (en) Fully enclosed fan cooling motor
KR102234339B1 (en) Fan Shroud for Motor Vehicle
JP4891688B2 (en) Fully enclosed motor
JP2004194498A (en) All closed external fan cooling version dynamic electric motors
KR20090108407A (en) Double axial flow fan for motor vehicle
US20190186335A1 (en) Air blowing fan device
KR100622000B1 (en) cooling fan motor cooling structure of vehicles
KR20060016436A (en) Cooling fan motor cooling structure of vehicles
JP4611144B2 (en) Propeller fan
KR20120075942A (en) Structure of fan shroud
CN112311118B (en) Automobile driving motor utilizing heat pipe for heat dissipation
KR20090102971A (en) Fan and Shroud Assemble
KR100935078B1 (en) Car fan shroud structure
KR20000010434A (en) Automobile blower
KR101902278B1 (en) Fan shroud
EP2514942B1 (en) Vehicle heat- exchange module
KR101033210B1 (en) Apparatus for preventing overheat of the in-wheel motor
KR102573356B1 (en) Structure of Fan Shroud
KR102082260B1 (en) Assembly of fan and shroud
JP2005291025A (en) Fan structure for heat exchanger for automobile
KR100912525B1 (en) Fan for cooling a heat exchanger
KR200376811Y1 (en) Assembly of Fan and Shroud
JP2003083293A (en) Blower
KR19990019200U (en) Eddy current prevention device in car blower fan
KR20150071845A (en) Cooling Fan

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee