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Fan

A technology of fans and air intake pipes, which is applied in liquid fuel engines, non-displacement pumps, mechanical equipment, etc., can solve the problems of large intake noise and large space occupation.

Inactive Publication Date: 2016-07-06
任文华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The air intake channel of this type of fan takes up a lot of space and is easy to generate a large intake noise

Method used

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Embodiment Construction

[0043] figure 1 is a schematic view of the fan of the present invention viewed from the front of the device, figure 2 yes figure 1 A side view of the fan shown, image 3 yes figure 1 Front exploded view of the fan shown, Figure 4 yes figure 1 An exploded side view of the fan shown. from Figure 1 to Figure 4 It can be seen from the figure that the fan 50 includes a base 2 and a nozzle 1 located on the base 2 ; the base 2 includes a base 13 and a base 11 located on the base 13 . The base 2 also includes a housing 12 , two circular air inlets 18 on the housing 12 and two air intake covers 47 located in the circular air inlets 18 . The air intake hood 47 includes a plurality of vertically arranged strip-shaped slits, and the atmosphere around the fan can enter the housing 12 through the air intake hood 47 . The two air intake covers 47 can be rotated and disassembled, which is convenient for cleaning.

[0044] The nozzle 1 comprises a non-closed annular outer casing 3 ...

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PUM

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Abstract

A fan comprises a nozzle, impeller covers, impellers, motors and air inlet pipes, wherein the air inlet pipes comprise air inlet ends provided with air inlets and air outlet ends provided with air outlets; the air outlet ends of the air inlet pipes are connected with air inlet ends of the impeller covers, and the air inlet ends of the air inlet pipes communicate with the atmosphere around the fan; besides, the fan comprises the multiple impeller covers and the multiple air inlet pipes, and the air inlet end of each impeller cover is connected with one air inlet pipe; the nozzle is arranged on a base, the base comprises a casing and air inlets located in the casing, the multiple impeller covers and the multiple air inlet pipes are located inside the casing, and the air inlet ends of each air inlet pipe are connected with the casing and communicate with the atmosphere around the fan by the aid of the air inlets of the base.

Description

[0001] This application is a divisional application of a patent application with an application date of February 15, 2013, an application number of 201310050525.1, and an invention title of "Fan". technical field [0002] The invention relates to a fan. In particular, but not exclusively, the present invention relates to a domestic fan, such as a domestic desk fan, for increasing air circulation and air flow in homes, offices and other environments. Background technique [0003] A traditional household fan typically consists of a motor and a set of blades or impellers that are driven in rotational motion by the motor. The set of blades is typically located within a cage that allows airflow to pass through, yet prevents human access to the rotating blades. However, in some cases, there is a risk that the human body may touch the set of rotating blades in this fan. [0004] The Chinese patent application with publication number CN101424279A (application number: 200810177844....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/44F04D29/40F04D29/66F04B41/06F04D25/08F04F5/16
CPCF04D25/08F04F5/16F04F5/48F04D29/441F04B41/06F04D29/403F04D29/663
Inventor 任文华
Owner 任文华
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