JPH0711956A - Fan shroud - Google Patents
Fan shroudInfo
- Publication number
- JPH0711956A JPH0711956A JP18215093A JP18215093A JPH0711956A JP H0711956 A JPH0711956 A JP H0711956A JP 18215093 A JP18215093 A JP 18215093A JP 18215093 A JP18215093 A JP 18215093A JP H0711956 A JPH0711956 A JP H0711956A
- Authority
- JP
- Japan
- Prior art keywords
- fan shroud
- fan
- cooling fan
- shroud
- absorbing material
- 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.)
- Pending
Links
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、たとえば油圧ショベ
ルの旋回体に設置された熱交換器を冷却する冷却ファン
の騒音を低減させるファンシュラウドに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fan shroud for reducing noise of a cooling fan for cooling a heat exchanger installed on a revolving structure of a hydraulic excavator.
【０００２】[0002]
【従来の技術】図２に示すように、油圧ショベルの旋回
体上に搭載されている原動機（エンジン）１の出力軸に
は冷却ファン２が取り付けられている。冷却ファン２の
前側の旋回体上には、冷却ファン２の回転により冷却す
る熱交換器３が設置されている。熱交換器３には、冷却
ファン２の回転による騒音の発生を低減するファンシュ
ラルド４が設けられている。なお、このファンシュラウ
ド４は原動機１側に設けてもよい。2. Description of the Related Art As shown in FIG. 2, a cooling fan 2 is attached to an output shaft of a prime mover (engine) 1 mounted on a revolving structure of a hydraulic excavator. A heat exchanger 3 that cools by rotation of the cooling fan 2 is installed on the revolving structure in front of the cooling fan 2. The heat exchanger 3 is provided with a fan shroud 4 that reduces noise generation due to the rotation of the cooling fan 2. The fan shroud 4 may be provided on the side of the prime mover 1.
【０００３】[0003]
【発明が解決しようとする課題】しかし、ファンシュラ
ウド４による、騒音の発生の抑止には限界がある。この
発明は、これにかんがみてなされたもので、発生する冷
却ファンの騒音を極めて容易に低減することを目的とす
る。However, there is a limit to the suppression of noise generation by the fan shroud 4. The present invention has been made in view of the above, and an object thereof is to reduce the noise of the cooling fan to be generated very easily.
【０００４】[0004]
【課題を解決するための手段】この発明のファンシュラ
ウドは、その表面に吸音材を取り付けたことを特徴とす
る。The fan shroud of the present invention is characterized in that a sound absorbing material is attached to the surface thereof.
【０００５】[0005]
【作用】冷却ファンから発生する騒音が吸音材により吸
収されて騒音が低減する。The noise generated by the cooling fan is absorbed by the sound absorbing material, and the noise is reduced.
【０００６】[0006]
【実施例】以下、この発明の一実施例を図１により説明
する。同図において、１ないし４は図２と同じものを示
す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG. In the figure, 1 to 4 show the same elements as in FIG.
【０００７】ファンシュラウド４の表面には、吸音材５
が一体的に取り付けられている。冷却ファン２から発生
する騒音は、吸音材５により吸収されて低減する。On the surface of the fan shroud 4, a sound absorbing material 5
Are attached integrally. The noise generated from the cooling fan 2 is absorbed and reduced by the sound absorbing material 5.
【０００８】[0008]
【発明の効果】以上説明したように、この発明によれ
ば、冷却ファンから発生する騒音を極めて容易に低減す
ることができる。As described above, according to the present invention, the noise generated from the cooling fan can be reduced extremely easily.
【図１】この発明の一実施例を示す平面図、FIG. 1 is a plan view showing an embodiment of the present invention,
【図２】従来のファンシュラウドをそなえた装置を示す
平面図である。FIG. 2 is a plan view showing an apparatus having a conventional fan shroud.
１ 原動機 ２ 冷却ファン ３ 熱交換器 ４ ファンシュラウド ５ 吸音材 1 prime mover 2 cooling fan 3 heat exchanger 4 fan shroud 5 sound absorbing material
Claims (1)
りにファンシュラウドを設けた装置において、その表面
に吸音材を取り付けたことを特徴とするファンシュラウ
ド。1. A fan shroud having a fan shroud provided around a cooling fan rotated by a drive machine, wherein a sound absorbing material is attached to the surface of the fan shroud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18215093A JPH0711956A (en) | 1993-06-29 | 1993-06-29 | Fan shroud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18215093A JPH0711956A (en) | 1993-06-29 | 1993-06-29 | Fan shroud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0711956A true JPH0711956A (en) | 1995-01-13 |
Family
ID=16113237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18215093A Pending JPH0711956A (en) | 1993-06-29 | 1993-06-29 | Fan shroud |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0711956A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5884589A (en) * | 1995-04-10 | 1999-03-23 | Hitachi Construction Machinery Co., Ltd. | Cooling apparatus for heat exchanger |
| US6896095B2 (en) * | 2002-03-26 | 2005-05-24 | Ford Motor Company | Fan shroud with built in noise reduction |
-
1993
- 1993-06-29 JP JP18215093A patent/JPH0711956A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5884589A (en) * | 1995-04-10 | 1999-03-23 | Hitachi Construction Machinery Co., Ltd. | Cooling apparatus for heat exchanger |
| US6896095B2 (en) * | 2002-03-26 | 2005-05-24 | Ford Motor Company | Fan shroud with built in noise reduction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2837101B2 (en) | Air-cooled motor | |
| KR100529825B1 (en) | Water cooler for computer central processing unit having impeller | |
| JPH0711956A (en) | Fan shroud | |
| CN207776991U (en) | A kind of generating set with silencing means | |
| US20060093475A1 (en) | Fan with central intake | |
| JPH11350530A (en) | Cooling device for construction machine | |
| JPS5914257Y2 (en) | power plant | |
| JPH0311114A (en) | Fan device installed onto heat exchanger | |
| CN214588020U (en) | Mechanical hard disk heat dissipation protection mechanism | |
| JPH0544469A (en) | Fan shroud device | |
| CN212120378U (en) | Computer with noise reduction structure | |
| CN212649299U (en) | Direct current motor for drilling platform with good heat dissipation effect | |
| CN218273271U (en) | Sound insulation case with good heat dissipation effect for computer | |
| CN108132701A (en) | It is a kind of that there is the heat dissipation wind channel of sqouynd absorption lowering noise | |
| CN218177891U (en) | High-efficient heat abstractor of speed reducer | |
| JPS6350411Y2 (en) | ||
| CN215618463U (en) | Ultrasonic wave cuts tape unit with dustproof heat dissipation function | |
| JP2003324894A (en) | Rotational driver | |
| JPS6129933Y2 (en) | ||
| JP3606174B2 (en) | Construction machine cooling system | |
| CN207780706U (en) | A kind of heat dissipation wind channel with sqouynd absorption lowering noise function | |
| JPH06280792A (en) | Blowing device | |
| JPH0814249B2 (en) | Noise suppression device for radiator fan | |
| JPH08121397A (en) | Radiator shroud | |
| JPS59176499A (en) | Cooling fan device for internal-combustion engine |