Rotary flow guiding devices and range hood using the same

A diversion device and oil fume technology, which is applied in applications, removal of oil fume, household stoves, etc., can solve the problems of reduced oil fume collection efficiency and air pollutant overflow of range hoods

Inactive Publication Date: 2016-09-28
GUANGDONG VANWARD NEW ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In fact, studies have shown that when the air supply volume exceeds the limit air volume for capturing oil fume, it will

Method used

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  • Rotary flow guiding devices and range hood using the same
  • Rotary flow guiding devices and range hood using the same
  • Rotary flow guiding devices and range hood using the same

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary, are only used to explain the present invention, and cannot be construed as limitations to the present invention, on the contrary, the embodiments of the present invention include those falling within the spirit and connotation scope of the appended claims All variations, modifications and equivalents within .

[0023] like figure 1 As shown, this embodiment includes a first fan 1, a second fan 2, a fume collection hood and an oil screen, the oil screen is installed at the oil fume inlet of the fume collection hood, and the inlet of the first fan 1 communicates with the oil fume inlet, and the oil fume inlet is installed Rotary...

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Abstract

A rotary deflector and a range hood using the same, the range hood includes a first fan, a second fan, a smoke collection hood and an oil screen, the oil screen and the rotary deflector are installed at the fume inlet of the smoke collection hood, and rotate The diversion device includes a casing composed of an upper annular cylinder and a lower annular cylinder connected to each other. A diversion cavity is provided inside the casing. The diversion cavity is provided with an air inlet and an air outlet, and the air inlet is located on the upper annular On the cylinder, the air outlet is located at the lower part of the lower annular cylinder, and there is a deflector between the inner wall and the outer wall of the lower annular cylinder to guide the airflow to the air outlet. The ring thickness d1 of the upper annular cylinder is 5mm‑30mm. The width d2 of the air outlet is 1 mm-10 mm, and the ratio d1/d2 of the thickness d1 of the upper annular cylinder to the width d2 of the air outlet of the lower annular cylinder is ≥3. The range hood can generate higher oil fume collection efficiency with a smaller exhaust air volume.

Description

technical field [0001] The invention belongs to the field of range hoods, in particular to a rotary flow guiding device and a range hood using the same. Background technique [0002] The main function of the range hood is to realize the rapid discharge of harmful kitchen exhaust gases such as cooking fumes, and the efficient collection rate of the range hood is the ultimate goal of the design of the range hood. At present, many manufacturers mainly try to improve the collection efficiency of oil fume by increasing the air volume of the range hood. In fact, studies have shown that when the air supply volume exceeds the limit air volume for capturing oil fume, it will cause the overflow of air pollutants, which will lead to a decrease in the oil fume collection efficiency of the range hood. In order to overcome these defects, the relevant structure of the range hood has been improved. Contents of the invention [0003] A technical problem to be solved by the present invent...

Claims

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Application Information

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IPC IPC(8): F24C15/20
CPCF24C15/20F24C15/2021F24C15/2035
Inventor 叶远璋丁斐鲁信辉李炳坚
Owner GUANGDONG VANWARD NEW ELECTRIC CO LTD
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