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
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[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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