WO2011023066A1 - Industrial fan with special transmission structure - Google Patents
Industrial fan with special transmission structure Download PDFInfo
- Publication number
- WO2011023066A1 WO2011023066A1 PCT/CN2010/075962 CN2010075962W WO2011023066A1 WO 2011023066 A1 WO2011023066 A1 WO 2011023066A1 CN 2010075962 W CN2010075962 W CN 2010075962W WO 2011023066 A1 WO2011023066 A1 WO 2011023066A1
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- WIPO (PCT)
- Prior art keywords
- fan
- transmission structure
- main shaft
- industrial
- special transmission
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
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- 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
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Definitions
- the utility model belongs to the technical field of electromechanical equipment, and relates to an industrial fan structure, in particular to Industrial fan with high power saving and special power transmission structure with slow start device
- the ultra-large air volume negative pressure diversion fan is different from the ordinary industrial fan. Due to the huge suction and exhaust capacity generated by its structure, it is mainly used for ventilation cooling and exhaust gas removal in the factory floor. It is called a negative pressure fan. Most of these industrial fans are driven directly by a motor or by a motor placed in a corner. V-belts Drive the fan blades to rotate to cool and remove exhaust gases. Since the temperature and exhaust gas in the plant are not static, they will vary with the weather and the temperature of the production environment. The industrial fans installed and used cannot change the speed with the different temperatures and exhaust gases generated, always with the largest suction and discharge. The wind is ventilated and cooled, and the exhaust gas is removed. There is a phenomenon of large horse-drawn cars, which causes energy waste and noise pollution.
- the utility model aims to provide a simple structure, convenient installation and use, low manufacturing cost and convenient speed regulation. Widely used, in view of the huge suction and exhaust capacity generated by its structure, it is suitable for ventilation and cooling of the factory floor, exhaust gas, odor, dust, industrial wind turbine with special transmission structure of slow start device, According to the weather change and the temperature change of the production environment, the motor speed can be adjusted by the control circuit to determine the power demand for the full working condition and part of the working condition of the fan to achieve the purpose of power saving and noise reduction. Extend the life of your equipment. It overcomes the problem of large horse-drawn carts that are common in common industrial wind turbines on the market.
- the technical scheme adopted by the utility model is an industrial fan with a special transmission structure, including a fan cover and a control circuit, and a fan
- the fan blade is installed in the center of the fan casing, and a speed regulating motor is installed at a corner of the fan casing.
- the fan blade and the speed regulating motor spindle installed in the center are equipped with timing gears, and the two timing gears are connected through the timing belt. .
- the speed regulating motor adopts an alternating current stepless variable power self-regulating motor.
- the timing gear matching teeth of the speed regulating motor main shaft and the fan main shaft are respectively: the active timing gear of the speed regulating motor main shaft is 22 teeth to 65 The passive timing gear of the tooth and fan blade spindle is 70 to 300 teeth.
- the utility model has the beneficial effects that: due to the huge suction and exhaust capability of the structure, it is suitable for the factory workshop. Ventilation to cool down and remove exhaust, odor and dust.
- the installation uses this industrial fan with a special transmission structure, which can be changed according to different weather and production environment temperature. Because the fan adopts the AC stepless variable power self-regulating motor, the motor speed is adjusted by the control circuit to determine the operating power requirement for the fan under full working condition and part of the working condition, to achieve the purpose of power saving and noise reduction, and to prolong the service life of the device. Overcome the problem of large horse-drawn carriages that are common in existing (market-wide) industrial fans.
- the drawing is a schematic view of the structure of an industrial fan with a special transmission structure of the utility model
- An industrial fan with a special transmission structure comprising a fan casing 1 and a control circuit, the fan blade 2 being mounted on the fan casing 1 Central, install a speed control motor at the corner of the fan cover 1 , install the fan blade at the center 2 spindle and speed control motor 3
- the main shaft is equipped with a timing gear 4 , two timing gears 4 through the timing belt 5 Connect the transmission, the speed regulating motor 3 is an AC stepless variable power self-regulating motor.
- the utility model An industrial fan with special transmission structure replaces the drive motor of the existing industrial fan with an AC stepless variable power self-regulating motor that can be adjusted by the control circuit.
- the speed regulating motor 3 is installed separately from the fan blade 2 to ensure the fan. leaf 2
- the timing gear 4 mounted on the main shaft of the speed control motor 3 is connected to the passive timing gear 4 on the main shaft of the fan blade 2 installed in the center of the fan through the timing belt 5, Fan blade 2 Rotate to perform ventilation and exhaust gas removal, odor, and dust in the factory floor. Because the fan adopts this special transmission structure with high power saving and energy saving, it can be changed according to different weather and production environment temperature.
- the problem of large horse-drawn car is to achieve high power saving and noise reduction, and extend the service life of the equipment.
- the utility model has a simple structure. It is easy to install and use, low in manufacturing cost, convenient in speed regulation and widely used.
- Speed regulating motor mounted on an industrial fan 3 The active timing gear of the spindle is 22 to 65 teeth, and the passive timing gear mounted on the fan 2 spindle is 70 teeth to 300 teeth, a special transmission structure with high power saving and power saving.
- the transmission speed ratio is the best and the operation is smooth; the timing belt is used 5 Connect the drive, it will not cause slippage due to belt aging, and extend the service life of the equipment.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
An industrial fan with a special transmission structure includes a fan housing (1), a plurality of fan blades (2), an adjustable speed motor (3) and a control circuit. The fan blades (2) are mounted in the center of the fan housing (1), and the adjustable speed motor (3) is mounted in a corner of the fan housing (1). The main shaft of the fan blades (2) and the main shaft of the adjustable speed motor (3) are respectively provided with a timing gear (4), and the two timing gears (4) are connected with each other for transmission through a timing belt (5). The fan has low noise and long service life.
Description
技术领域 Technical field
本实用新型属于机电设备技术领域， 涉及一种 工业风机 结构 ， 具体涉及
一种具有缓起动装置的高倍省力省电特殊传动结构的工业风机 The utility model belongs to the technical field of electromechanical equipment, and relates to an industrial fan structure, in particular to
Industrial fan with high power saving and special power transmission structure with slow start device
背景技术 Background technique
超大型风量负压导流风扇与普通工业风扇有所不同，鉴于其结构所产生巨大的吸、排风能力，目前主要用于工厂车间的通风降温、废气排除，通称负压风扇。这种工业风机大多由马达直接驱动，或是由设置于角落的马达通过
三角皮带
带动风机扇叶转动进行通风降温和排除废气。由于厂房内的温度和废气的产生不是一成不变的，都会随天气变化以及生产环境温度而不同，而安装使用的工业风机却不能随产生的不同温度和废气量改变转速，始终以最大的吸、排风力进行通风降温、废气排除，存在大马拉小车的现象，造成能源浪费和噪声污染。
The ultra-large air volume negative pressure diversion fan is different from the ordinary industrial fan. Due to the huge suction and exhaust capacity generated by its structure, it is mainly used for ventilation cooling and exhaust gas removal in the factory floor. It is called a negative pressure fan. Most of these industrial fans are driven directly by a motor or by a motor placed in a corner.
V-belts
Drive the fan blades to rotate to cool and remove exhaust gases. Since the temperature and exhaust gas in the plant are not static, they will vary with the weather and the temperature of the production environment. The industrial fans installed and used cannot change the speed with the different temperatures and exhaust gases generated, always with the largest suction and discharge. The wind is ventilated and cooled, and the exhaust gas is removed. There is a phenomenon of large horse-drawn cars, which causes energy waste and noise pollution.
发明内容 Summary of the invention
本实用新型的目的是提供一种 结构简单、安装使用方便， 制造成本低，调速方便、
用途广泛、鉴于其结构所产生巨大的吸、排风能力，适用于工厂车间的通风降温、排除废气、异味、粉尘，这种 具有缓起动装置的特殊传动结构的工业风机，其
能够根据天气变化以及生产环境温度 变化场合， 通过控制电路调节电机转速，确定适合风机全工况和部分工况运行功率需求，达到节电和降噪的目的 ，
延长其设备使用寿命。 克服 了 现有市面上普通工业风机 普遍 存在的 大马拉小车的 问题。 The utility model aims to provide a simple structure, convenient installation and use, low manufacturing cost and convenient speed regulation.
Widely used, in view of the huge suction and exhaust capacity generated by its structure, it is suitable for ventilation and cooling of the factory floor, exhaust gas, odor, dust, industrial wind turbine with special transmission structure of slow start device,
According to the weather change and the temperature change of the production environment, the motor speed can be adjusted by the control circuit to determine the power demand for the full working condition and part of the working condition of the fan to achieve the purpose of power saving and noise reduction.
Extend the life of your equipment. It overcomes the problem of large horse-drawn carts that are common in common industrial wind turbines on the market.
本实用新型所采用的技术方案是， 一种具有特殊传动结构的工业风机，包括风机罩壳和控制电路， 风机
扇叶安装在风机罩壳中央， 在 风机罩壳的一角设置安装一个调速电机，装在中央的扇叶主轴和调速电机主轴均装有时规齿轮，两时规齿轮通过时规皮带连接传动。 The technical scheme adopted by the utility model is an industrial fan with a special transmission structure, including a fan cover and a control circuit, and a fan
The fan blade is installed in the center of the fan casing, and a speed regulating motor is installed at a corner of the fan casing. The fan blade and the speed regulating motor spindle installed in the center are equipped with timing gears, and the two timing gears are connected through the timing belt. .
本实用新型所述的具有特殊传动结构的工业风机， 其特征还在于， The industrial fan with special transmission structure described in the utility model is further characterized in that
所述的 调速电机采用交流无极变功率自调速电机。 The speed regulating motor adopts an alternating current stepless variable power self-regulating motor.
所述的 装于调速电机主轴和扇叶主轴的时规齿轮匹配齿数分别为：调速电机主轴的主动时规齿轮为 22 齿至 65
齿，扇叶主轴的被动时规齿轮为 70 齿至 300 齿。 The timing gear matching teeth of the speed regulating motor main shaft and the fan main shaft are respectively: the active timing gear of the speed regulating motor main shaft is 22 teeth to 65
The passive timing gear of the tooth and fan blade spindle is 70 to 300 teeth.
本实用新型的有益效果是： 鉴于其结构所产生巨大的吸、排风能力，适用于 工厂车间
通风降温和排除废气、异味、粉尘。安装 采用 这种 具有特殊传动结构的工业风机 ， 它可根据 不同天气及生产环境温度变化场合。
由于风机采用的是交流无极变功率自调速电机，通过控制电路调节电机转速，确定适合风机全工况和部分工况运行功率需求，达到节电和降噪的目的 ， 延长其设备使用寿命。
克服 了 现有（市面普通）工业风机 普遍 存在的 大马拉小车的 问题。 这种
具有特殊传动结构的工业风机，其特殊传动结构的主动时规齿轮和被动时规齿轮齿数的匹配，最符合杠杆原理，更具有省力、省电、低噪音、提高风速效率的特点，大幅度提升了风机的高倍使用效率。 The utility model has the beneficial effects that: due to the huge suction and exhaust capability of the structure, it is suitable for the factory workshop.
Ventilation to cool down and remove exhaust, odor and dust. The installation uses this industrial fan with a special transmission structure, which can be changed according to different weather and production environment temperature.
Because the fan adopts the AC stepless variable power self-regulating motor, the motor speed is adjusted by the control circuit to determine the operating power requirement for the fan under full working condition and part of the working condition, to achieve the purpose of power saving and noise reduction, and to prolong the service life of the device.
Overcome the problem of large horse-drawn carriages that are common in existing (market-wide) industrial fans. This kind
The industrial fan with special transmission structure, the matching of the active timing gear of the special transmission structure and the number of teeth of the passive timing gauge, is in line with the principle of leverage, and has the characteristics of labor saving, power saving, low noise and improved wind speed efficiency. The high efficiency of the fan.
附图说明 DRAWINGS
附图是本实用新型 具有特殊传动结构的工业风机结构示意图； The drawing is a schematic view of the structure of an industrial fan with a special transmission structure of the utility model;
图中： 1. 风机罩壳， 2. 扇叶， 3. 调速电机， 4. 时规齿轮， 5. 时规皮 带。 In the figure: 1. Fan casing, 2. Fan blade, 3. Speed motor, 4. Timing gear, 5. Timing belt.
具体实施方式 detailed description
下面结合附图和具体实施方式对本实用新型进行详细说明。 The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
一种具有特殊传动结构的工业风机，如附图所示，包括风机罩壳 1 和控制电路， 风机 扇叶 2 安装在风机罩壳
1 中央， 在 风机罩壳 1 的一角设置安装一个调速电机 3 ，装在中央的扇叶 2 主轴和调速电机 3 主轴均装有时规齿轮 4 ，两时规齿轮 4 通过时规皮带
5 连接传动， 所述的 调速电机 3 采用的是交流无极变功率自调速电机。 An industrial fan with a special transmission structure, as shown in the drawing, comprising a fan casing 1 and a control circuit, the fan blade 2 being mounted on the fan casing
1 Central, install a speed control motor at the corner of the fan cover 1 , install the fan blade at the center 2 spindle and speed control motor 3 The main shaft is equipped with a timing gear 4 , two timing gears 4 through the timing belt
5 Connect the transmission, the speed regulating motor 3 is an AC stepless variable power self-regulating motor.
本实用新型
一种具有特殊传动结构的工业风机，是把现有工业风机的驱动电机更换成可以通过控制电路调节的交流无极变功率自调速电机，调速电机 3 与扇叶 2 分开安装，在保证扇叶
2 以最大排风导流面积的同时，将装在调速电机 3 主轴上的时规齿轮 4 通过时规皮带 5 与装在风机中央的扇叶 2 主轴上的被动时规齿轮 4 连接，带动扇叶
2 转动，进行 工厂车间的 通风降温和废气排除、异味、粉尘 。由于风机采用 这种 具有高倍省力省电特殊传动结构，可根据 不同天气以及生产环境温度变化场合
，通过控制电路调节电机转速，或提高或降低，来确定适合工业风机全工况和部分工况运行功率需求，有效的利用紧缺的电力，降低了企业能源消耗，克服了现有工业风机普遍存在的大马拉小车问题，达到高倍省力省电和降低噪音的目的，延长设备使用寿命。本实用新型结构简单，
安装使用方便、 制造成本低，调速方便、 用途广泛 。装于工业风机的调速电机 3 主轴的主动时规齿轮为 22 齿至 65 齿，装于扇叶 2 主轴的被动时规齿轮为
70 齿至 300 齿， 为 高倍省力省电的特殊传动结构 ，
最符合杠杆原理，更具有省力、省电、低噪音、提高风速效率的特点，大幅提升了风机的高倍使用效率。传动速比效果最佳，运转顺畅；采用时规皮带 5
连接传动，不会因皮带老化而产生打滑现象，延长设备使用寿命。 The utility model
An industrial fan with special transmission structure replaces the drive motor of the existing industrial fan with an AC stepless variable power self-regulating motor that can be adjusted by the control circuit. The speed regulating motor 3 is installed separately from the fan blade 2 to ensure the fan. leaf
2 At the same time as the maximum exhaust air flow area, the timing gear 4 mounted on the main shaft of the speed control motor 3 is connected to the passive timing gear 4 on the main shaft of the fan blade 2 installed in the center of the fan through the timing belt 5, Fan blade
2 Rotate to perform ventilation and exhaust gas removal, odor, and dust in the factory floor. Because the fan adopts this special transmission structure with high power saving and energy saving, it can be changed according to different weather and production environment temperature.
Through the control circuit to adjust the motor speed, or increase or decrease, to determine the operating power requirements for industrial fans and part of the operating conditions, effectively use the scarce power, reduce the energy consumption of enterprises, and overcome the prevalence of existing industrial fans The problem of large horse-drawn car is to achieve high power saving and noise reduction, and extend the service life of the equipment. The utility model has a simple structure.
It is easy to install and use, low in manufacturing cost, convenient in speed regulation and widely used. Speed regulating motor mounted on an industrial fan 3 The active timing gear of the spindle is 22 to 65 teeth, and the passive timing gear mounted on the fan 2 spindle is
70 teeth to 300 teeth, a special transmission structure with high power saving and power saving.
It is most in line with the principle of leverage, and has the characteristics of labor saving, power saving, low noise, and improved wind speed efficiency, which greatly improves the high efficiency of the fan. The transmission speed ratio is the best and the operation is smooth; the timing belt is used 5
Connect the drive, it will not cause slippage due to belt aging, and extend the service life of the equipment.
上述实施方式只是本实用新型的一个实例，不是用来限制实用新型的实施与权利范围，凡依据本实用新型申请专利保护范围所述的内容做出的等效变化和修饰，均应包括在本实用新型申请专利范围内。
The above-described embodiments are merely examples of the present invention, and are not intended to limit the scope of the invention and the scope of the claims, and equivalent changes and modifications made in accordance with the scope of the claims of the present invention should be included in the present invention. The utility model is within the scope of patent application.
Claims (1)
1 、 一种具有特殊传动结构的工业风机，包括风机罩壳（ 1 ）和控制电路， 其特征在于，风机 扇叶（ 2
）安装在风机罩壳（ 1 ）中央， 在 风机罩壳（ 1 ）的一角设置安装一个调速电机（ 3 ），装在中央的扇叶（ 2 ）主轴和调速电机（ 3
）主轴均装有时规齿轮（ 4 ），两时规齿轮通过时规皮带（ 5 ）连接传动。1 . An industrial fan with a special transmission structure, comprising a fan cover ( 1 ) and a control circuit, characterized in that the fan blade ( 2
Installed in the center of the fan casing ( 1 ), install a speed-regulating motor ( 3 ) at the corner of the fan casing ( 1 ), and install the central fan blade ( 2 ) spindle and speed control motor ( 3 )
The main shaft is equipped with a timing gear (4), and the two timing gears are connected through the timing belt (5).
2 、根据权利要求 1 所述的具有特殊传动结构的工业风机， 其特征在于，所述的 调速电机（ 3
）采用交流无极变功率自调速电机。2. The industrial fan having a special transmission structure according to claim 1, wherein said speed regulating motor (3)
) Adopt AC non-polar variable power self-regulating motor.
3 、根据权利要求 1 所述的具有特殊传动结构的工业风机， 其特征在于，所述的 装于调速电机（ 3 ）主轴和扇叶（ 2
）主轴的时规齿轮匹配齿数分别为：调速电机（ 3 ）主轴的主动时规齿轮 22 齿至 65 齿，扇叶主轴的被动时规齿轮 70 齿至 300
齿。3. The industrial fan having a special transmission structure according to claim 1, wherein said main shaft and blade mounted on the speed regulating motor (3) (2)
The timing gear matching number of the main shaft is: speed regulating motor (3) active timing gear of the main shaft 22 teeth to 65 teeth, passive timing gear of the fan blade main shaft 70 teeth to 300
Tooth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920175984.1 | 2009-08-31 | ||
| CN2009201759841U CN201535269U (en) | 2009-08-31 | 2009-08-31 | Industrial fan with special transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011023066A1 true WO2011023066A1 (en) | 2011-03-03 |
Family
ID=42535048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2010/075962 WO2011023066A1 (en) | 2009-08-31 | 2010-08-13 | Industrial fan with special transmission structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201535269U (en) |
| WO (1) | WO2011023066A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644134A (en) * | 2018-07-16 | 2018-10-12 | 菏泽高峰电机有限公司 | A kind of stepless speed regulation air-foil fan |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201535269U (en) * | 2009-08-31 | 2010-07-28 | 张崇臣 | Industrial fan with special transmission structure |
| CN108400541A (en) * | 2018-04-16 | 2018-08-14 | 李士钢 | A kind of portable agriculture power distribution equipment with radiator |
| CN111594473A (en) * | 2018-08-20 | 2020-08-28 | 东莞市松研智达工业设计有限公司 | Application method of mechanical fan |
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| US5738167A (en) * | 1996-02-08 | 1998-04-14 | Aaon, Inc. | Blower fan housing assembly |
| CN2360652Y (en) * | 1999-01-07 | 2000-01-26 | 张崇臣 | Industrial fan |
| CN2648120Y (en) * | 2003-07-16 | 2004-10-13 | 吴宇宏 | Air exhausting fan assembling structure |
| CN2648121Y (en) * | 2003-10-30 | 2004-10-13 | 洪国清 | Negative pressure eddy stress fan |
| CN201013628Y (en) * | 2007-02-28 | 2008-01-30 | 沃斯特曼斯通风有限公司 | Ventilating fan |
| CN201535269U (en) * | 2009-08-31 | 2010-07-28 | 张崇臣 | Industrial fan with special transmission structure |
-
2009
- 2009-08-31 CN CN2009201759841U patent/CN201535269U/en not_active Expired - Lifetime
-
2010
- 2010-08-13 WO PCT/CN2010/075962 patent/WO2011023066A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0286999A (en) * | 1988-09-22 | 1990-03-27 | Mitsubishi Electric Corp | Blower |
| JPH0299097A (en) * | 1988-10-07 | 1990-04-11 | Matsushita Electric Ind Co Ltd | Clothing dry machine of moisture-proof type |
| US5738167A (en) * | 1996-02-08 | 1998-04-14 | Aaon, Inc. | Blower fan housing assembly |
| CN2360652Y (en) * | 1999-01-07 | 2000-01-26 | 张崇臣 | Industrial fan |
| CN2648120Y (en) * | 2003-07-16 | 2004-10-13 | 吴宇宏 | Air exhausting fan assembling structure |
| CN2648121Y (en) * | 2003-10-30 | 2004-10-13 | 洪国清 | Negative pressure eddy stress fan |
| CN201013628Y (en) * | 2007-02-28 | 2008-01-30 | 沃斯特曼斯通风有限公司 | Ventilating fan |
| CN201535269U (en) * | 2009-08-31 | 2010-07-28 | 张崇臣 | Industrial fan with special transmission structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644134A (en) * | 2018-07-16 | 2018-10-12 | 菏泽高峰电机有限公司 | A kind of stepless speed regulation air-foil fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN201535269U (en) | 2010-07-28 |
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