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Cylindrical filter screen used for new draught fan

A new fan, cylindrical technology, applied in the field of cylindrical filter for fresh fan, can solve the problem that the length, width and thickness of the pre-preliminary effect screen cannot be enlarged, the expansion of the preliminary effect filter screen can not be enlarged, and the filtering effect cannot be obtained, etc. question

Inactive Publication Date: 2018-03-13
苏州格莱威科环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sometimes, due to the limited product space, the length, width and thickness of the pre-primary filter cannot be enlarged. In this case, it is impossible to expand the primary filter as much as possible, and it is impossible to obtain a better filtering effect.

Method used

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  • Cylindrical filter screen used for new draught fan

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0018] Embodiment: a cylindrical filter screen for fresh air fans, including a stepping motor 1, a driving gear 2, a filter screen support 3 and a primary filter screen 4, the driving gear is installed on the stepping motor, the The filter screen bracket is in the shape of a hollow cylinder, the filter screen bracket is rotatably installed in the fresh air fan, the primary effect filter screen is bent into a cylindrical shape with teeth, and the primary effect filter screen is detachable and installed On the filter screen support, the primary filter meshes with the driving gear.

[0019] The diameter of the primary filter screen is larger than that of the driving gear.

[0020] The filter screen support includes first and second end circular plates 5, 6 and three support rods 7, and the three support rods are evenly spaced and fixed between the first and second end circular plates.

[0021] A first through hole 8 is opened in the middle of the first end circular plate.

[00...

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PUM

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Abstract

The invention discloses a cylindrical filter screen for a fresh air fan, comprising a stepper motor, a driving gear, a filter screen support and a primary filter screen, the driving gear is mounted on the stepper motor, and the filter screen support It is in the shape of a hollowed-out cylinder, the filter holder is rotatably installed in the fresh air fan, the primary filter is bent into a cylindrical shape with a tooth shape, and the primary filter is detachably installed on the On the filter screen bracket, the primary filter mesh is meshed with the driving gear, and the cylindrical filter for the new fan can make full use of the entire effective area of ​​the primary filter, enhance the filtering effect, and improve the utilization rate of the primary filter.

Description

technical field [0001] The invention relates to the field of fresh air blowers, in particular to a cylindrical filter screen for fresh air blowers. Background technique [0002] The fresh air fan introduces the outdoor air with high oxygen content into the room through the fan to reduce the rising CO2 in the indoor closed environment. 2 value. Considering the different levels of dust and other impurities in the actual outdoor air, it is necessary to add a dust filter to achieve air filtration. Fresh air fans generally have primary effect, medium effect, high efficiency or other filters to achieve this purpose. [0003] Generally, there are two types of filter screens: flat type and discounted type. Since the discounted filter can better realize more filter screen area per unit volume, the discounted filter screen is adopted by many models. However, in order to pursue a larger expansion area, it is also necessary to enlarge the dimensions of the length, width, and thicknes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F13/28
CPCF24F13/28
Inventor 余辉占小兵林佳源
Owner 苏州格莱威科环保科技有限公司
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