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Smoke exhaust ventilator

A range hood and machine body technology, applied in the direction of oil fume removal, household stove/stove, heating method, etc., can solve the problems of fan or blower damage, decreased air exchange rate, and difficult cleaning, so as to improve efficiency and reduce parts , Improve the effect of humanization

Inactive Publication Date: 2015-06-24
漆一伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional range hoods have the following problems: 1. There are many parts and it is not easy to clean; 2. The fan noise is loud; 3. Air backflow is easy to occur; 4. After a long time, the pipes are prone to fouling and oil dripping; 5. 1. The fan is directly connected to the exhaust pipe or in a series relationship, and the efficiency is low. Especially after fouling, the air exchange rate will further decrease and it is easy to cause damage to the fan or blower; 6. When the oil fume is large, the oil fume may overflow Phenomenon, the proportion that can be discharged by the range hood above is very small

Method used

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Embodiment Construction

[0028] 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 figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0029] In the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical ", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for convenience and simplification in describing the present invention. Nothing indicates or implies that a referenced device or element must have a partic...

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Abstract

The invention discloses a smoke exhaust ventilator, which comprises a machine body. A cavity and a gas storage room are arranged in the machine body, wherein the cavity is provided with a gas outlet; the wall of the machine body is provided with a suction opening for enabling the cavity to be communicated with the outside. The gas storage room is provided with a gas inlet and a gas injection passage, wherein the gas inlet is used for supplying gas to the gas storage room, and the gas injection passage is used for injecting the gas in the gas storage room into the cavity so as to promote air in the cavity to flow to the gas outlet, thereby, the outside air is sucked into the cavity through the suction opening. According to the smoke exhaust ventilator disclosed by the embodiment of the invention, the air is injected through the gas injection passage so as to form a rapid gas flow in the cavity, thereby, local negative pressure is generated in the cavity so as to enable the outside air to enter the cavity from the suction opening, and the outside air is discharged from the gas outlet, and further, the air exchange efficiency of the smoke exhaust ventilator is increased, so that an air exchange effect is better.

Description

technical field [0001] The invention relates to the technical field of household appliances, in particular to a range hood. Background technique [0002] Traditional cooker hoods are usually installed directly in the air flow path with a fan, and are often installed above the hob. Traditional range hoods have the following problems: 1. There are many parts and it is not easy to clean; 2. The fan noise is loud; 3. Air backflow is easy to occur; 4. After a long time, the pipes are prone to fouling and oil dripping; 5. 1. The fan is directly connected to the exhaust pipe or in a series relationship, and the efficiency is low. Especially after fouling, the air exchange rate will further decrease and it is easy to cause damage to the fan or blower; 6. When the oil fume is large, the oil fume may overflow phenomenon, the proportion that can be discharged by the range hood above is very small. Contents of the invention [0003] The present invention aims at solving one of the a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24C15/20
Inventor 漆一伟伍长鸣李映红
Owner 漆一伟
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