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A range hood volute with noise reduction function

A range hood and volute technology, which is applied in the direction of removing oil fume, household utensils, household stoves/stoves, etc., can solve the problems of large projected area of ​​oil leakage holes, reduced smoke exhaust efficiency, and large projected area, so as to reduce the drag coefficient, Reduce smoke exhaust noise, noise reduction effect

Active Publication Date: 2019-04-26
VATTI CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The air outlet of the volute fan of the range hood faces upward, and an oil leakage port for oil leakage is provided at the bottom of the volute fan. The existing oil leakage port directly punches a hole on the volute or places a hole on the basis of the hole. With flanging, the projected area of ​​the oil leakage hole perpendicular to the tangent line of the volute is relatively large, and the large projected area of ​​the oil leakage hole causes the following disadvantages: the smoke leaks from the oil leakage hole, causing greater noise and reducing the smoke exhaust efficiency

Method used

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  • A range hood volute with noise reduction function
  • A range hood volute with noise reduction function
  • A range hood volute with noise reduction function

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Embodiment Construction

[0023] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] Such as Figure 1 to Figure 3 As shown, a range hood volute with noise reduction function in this embodiment includes a volute 1, and an air flow channel 2 is arranged in the volute 1, and a volute from the volute 1 is formed in the air flow channel 2. The wind direction of the swirling flow from the position of the tongue to the position of the air outlet of the volute 1, the bottom of the volute 1 is provided with an oil leakage hole 3 communicating with the air flow channel 2, and the bottom of the volute 1 is convex around the oil leakage hole 3 An oil leak nozzle 4 is provided on the outlet. The present invention protrudes from the bottom of the volute 1 and surrounds the oil leakage hole 3 with an oil leakage nozzle 4. The oil leakage nozzle 4 can cover the oil leakage hole 3, avoiding the direct communication between the air flow channel...

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Abstract

The invention discloses a volute of a range hood with a noise reducing function. The volute of the range hood comprises a volute. An air flow channel is arranged in the volute, a leakage oil port communicating with the air flow channel is formed in the bottom of the volute, and a leakage oil nozzle is arranged in the bottom of the volute around the leakage oil port in a protruding manner. According to the volute disclosed by the invention, as the leakage oil nozzle is arranged in the bottom of the volute around the leakage oil port in the protruding manner to cover the leakage oil port, the air flow channel is prevented from directly communicating to the outer side of the volute, so that the leakage of flue gas from the leakage oil port is reduced, the noise generated at the leakage oil port is reduced, and the smoke discharge efficiency is improved.

Description

【Technical field】 [0001] The invention relates to a range hood volute, in particular to a range hood volute with noise reduction function. 【Background technique】 [0002] The air outlet of the volute fan of the range hood faces upward, and an oil leakage port for oil leakage is provided at the bottom of the volute fan. The existing oil leakage port directly punches a hole on the volute or places a hole on the basis of the hole. With flanging, the projected area of ​​the oil leakage hole perpendicular to the tangent of the volute is relatively large, and the large projected area of ​​the oil leakage hole causes the following disadvantages: the smoke leaks from the oil leakage hole, causing greater noise and reducing the smoke exhaust efficiency. [0003] The present invention researches and proposes aiming at the deficiencies in the prior art. 【Content of invention】 [0004] The technical problem to be solved by the present invention is to provide a range hood volute with ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24C15/20
CPCF24C15/20
Inventor 叶波文士胜李小忠何伟坚潘叶江
Owner VATTI CORP LTD
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