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A fan and range hood capable of forming an artificial tornado

A technology of artificial tornado and range hood, which is applied in the direction of oil fume removal, machine/engine, mechanical equipment, etc. It can solve the problems of weak tornado effect, many added parts, and large noise, so as to improve the suction and exhaust effect, simplify the structure, reduce the volume effect

Active Publication Date: 2018-11-06
NINGBO FOTILE KITCHEN WARE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are usually two methods of tornado devices for range hoods: one is to install at least two additional fans, one for blowing and the other for blowing air; The interior space of the machine, the tornado effect is weak
Then, inject air into the original air duct of the range hood through the injector, use the jet air to drive the oil fume upward, and cooperate with the centrifugal fan; this structure has high energy consumption and high noise

Method used

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  • A fan and range hood capable of forming an artificial tornado
  • A fan and range hood capable of forming an artificial tornado
  • A fan and range hood capable of forming an artificial tornado

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Embodiment Construction

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0033] like Figure 1 to Figure 6 As shown, the range hood with a fan capable of forming an artificial tornado includes:

[0034] The volute is provided with a centrifugal fan, the inlet of the volute is connected with a connection sleeve 9, and the bottom of the connection sleeve 9 is connected with a fan capable of producing an artificial tornado.

[0035] The fan capable of generating artificial tornadoes includes a first sleeve 4 connected with a connecting sleeve 9 .

[0036] The connecting sleeve 9 can also be arranged between the inlet of the smoke collecting chamber of the range hood and the first sleeve 4 .

[0037] The motor 1 is set on the bracket 10 , in this embodiment, the bracket 10 is set on the first ferrule 6 , and the output shaft of the motor 1 is driven and connected to the first fan blade 2 . The first ferrule 61 is ro...

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Abstract

The invention relates to a draught fan capable of forming man-made tornado and an extractor hood. The draught fan comprises a motor, and an output shaft of the motor is connected with first blades. The draught fan is characterized in that the outer sides of the first blades are in coaxial driving connection with second blades, and the first blades and the second blades are opposite in rotating direction; the first blades are contained in a first sleeve or the first blades are arranged at an end opening of the first sleeve; the first sleeve is sleeved with a second sleeve; and the second blades are contained in an air flue formed between the first sleeve and the second sleeve or the second blades are arranged at an end opening of the air flue. According to the draught fan capable of forming man-made tornado and the extractor hood, suction force can be amplified in a multiplied manner, the strong tornado is formed, and airflow to be sucked is rapidly and thoroughly blown away.

Description

technical field [0001] The invention relates to the field of an axial flow fan and a range hood, in particular to a fan and a range hood capable of generating an artificial tornado. Background technique [0002] In order to improve the suction and exhaust effect of the range hood, people have developed a tornado device to assist the conventional centrifugal fan in sucking and exhausting the range hood. At present, there are usually two methods of tornado devices for range hoods: one is to install at least two additional fans, one for blowing and the other for blowing air; The internal space of the machine, the tornado effect is weak. The second is to inject air into the original air duct of the range hood through the injector, and use the jet air to drive the oil fume upward, and cooperate with the centrifugal fan; this structure has high energy consumption and high noise. Contents of the invention [0003] The technical problem to be solved by the present invention is t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24C15/20F04D25/08
CPCF04D25/08F24C15/20
Inventor 贾博贤沈科崇茅忠群诸永定王军元
Owner NINGBO FOTILE KITCHEN WARE CO LTD
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