Bladeless fan

A bladeless fan and air outlet technology, used in non-variable-capacity pumps, pump devices, machines/engines, etc., can solve problems such as noise and noise aggravation, reduce size, suppress noise outgoing, and facilitate processing. Effect

Inactive Publication Date: 2013-12-25
JIANGXI VITA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this kind of fan will produce a certain amount of noise during its operat

Method used

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[0021] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail in conjunction with specific embodiments and with reference to the accompanying drawings.

[0022] The bladeless fan provided by the present invention includes a base, a base, and a nozzle on the base; wherein, the nozzle has a flat and slender shape, gradually shrinking from bottom to top, and the shell of the nozzle is divided into left and right sides with a larger area. There are two sides and smaller front and rear ends, the rear end is closed, the front end is provided with a slit-shaped air outlet, the air outlet is used to receive the airflow and spray the airflow; the inside of the nozzle includes a tapered air duct and Noise reduction boards set on both sides of the air duct.

[0023] In the embodiment of the present invention, refer to figure 1 with figure 2 Shown are a schematic diagram of the thre...

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Abstract

The invention discloses a bladeless fan. The bladeless fan comprises a seat, a base and a nozzle on the base, wherein the nozzle is flat and slender, and is gradually reduced from the bottom up, the shell of the nozzle is divided into a left side, a right side, a front end and a rear end, the areas of the left side and the right side are large, the areas of the front end and the rear end are small, the rear end of the shell of the nozzle is close, and the front end is provided with a slot-like air outlet, which is used for receiving and jetting airflow; and the interior of the nozzle comprises a gradually reduced air passage and noise-reducing boards arranged on both sides of the air passage. The bladeless fan provided by the invention ensures that the wind flowing into the gradually reduced air passage from a wind guide cover in the spherical base can flow through the noise-reducing boards and that the resonance generated by the wind flow flowing through small holes is utilized to achieve a good noise-reducing effect. Consequently, the transmission loss of noise in the nozzle is increased, the outward transmission of the noise in the nozzle is inhibited, and the noise outside the fan is decreased; and moreover, the noise-reducing boards are convenient to machine and easy to mount, and only has little resistance to wind.

Description

technical field [0001] The invention relates to the field of household appliances, in particular to a bladeless fan. Background technique [0002] The traditional fan is driven by the motor to rotate the blades to generate wind, accelerate the flow speed of the air flow in the surrounding environment, so as to achieve the effect of cooling and relieving heat and circulating air, but this traditional fan is easy to cause danger (for example: some Children put their fingers into the electric fan when adults are not paying attention, and they are injured by the blades), which has certain potential safety hazards and is inconvenient to clean. [0003] Therefore, there are bladeless fans on the market at present. This fan does not have traditional fan blades, and the wind is released through the gaps, so as to achieve the effect of circulating air. However, the fan generates certain noise during operation, and the generated noise may be aggravated with continuous operation in th...

Claims

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Application Information

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IPC IPC(8): F04F5/16F04F5/46F04F5/44
CPCF04D25/08F04F5/16F04F5/46
Inventor 涂晋华熊传伟张小明涂伟涂朝
Owner JIANGXI VITA TECH
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