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Flow collector used for air flow guiding, volute assembly, centrifugal fan and air conditioner

A technology of air diversion and centrifugal fan, which is applied to parts of pumping devices for elastic fluids, machines/engines, pump components, etc., and can solve problems such as air flow turbulence and easy generation of surge

Active Publication Date: 2015-02-25
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, due to the asymmetry of the internal flow of the centrifugal fan, in the impeller inlet area, part of the air flow at the outlet of th

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  • Flow collector used for air flow guiding, volute assembly, centrifugal fan and air conditioner
  • Flow collector used for air flow guiding, volute assembly, centrifugal fan and air conditioner
  • Flow collector used for air flow guiding, volute assembly, centrifugal fan and air conditioner

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Abstract

The invention provides a flow collector used for air flow guiding, a volute assembly, a centrifugal fan and an air conditioner. The flow collector used for air flow guiding comprises an annular flow guiding sleeve (10), a flow guiding channel (11) is formed and provided with an air flow inlet end (12) and an air flow outlet end (13) and further comprises a contraction section, and the section area of the contraction section gradually decreases in the direction from the air flow inlet end (12) to the air flow outlet end (13); the flow collector used for air flow guiding further comprises an annular baffle (20) located at the air flow outlet end (13) of the flow guiding channel (11), and the annular baffle (20) protrudes toward the inner circumference or the outer circumference of the annular flow guiding sleeve (10). According to the technical scheme, the surge phenomenon can be avoided.

Description

technical field [0001] The invention relates to the technical field of gas guiding devices, in particular to a collector for air guiding, a volute assembly, a centrifugal fan and an air conditioner. Background technique [0002] At present, due to the asymmetry of the internal flow of the centrifugal fan, in the impeller inlet area, part of the air flow at the outlet of the collector flows directly into the impeller, which is prone to air flow and surge, and most of the collector structures All can't solve this problem well. Contents of the invention [0003] The present invention aims to provide a current collector for air guiding, a volute assembly, a centrifugal blower and an air conditioner which avoid the surge phenomenon. [0004] In order to achieve the above object, according to one aspect of the present invention, there is provided a current collector for air diversion, comprising: an annular diversion sleeve forming a diversion channel, the diversion channel has...

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Application Information

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IPC IPC(8): F04D29/66F04D29/44
CPCF04D27/02F04D29/4206F04D29/441
Inventor 熊军廖俊杰刘池彭勃
Owner GREE ELECTRIC APPLIANCES INC
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