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Atmospheric and overpressure range hoods

A range hood, overpressure technology, applied in the direction of removing oil fume, lighting and heating equipment, space heating and ventilation, etc., can solve the problem of low air pressure

Inactive Publication Date: 2011-12-07
李庞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] Therefore the present invention proposes the normal pressure and overpressure range hood that solves the problem that the air pressure in the kitchen is lower than the outdoor air pressure in the room when the existing range hood is working. It is a new ventilation device that connects indoor and outdoor air pressure

Method used

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Examples

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Embodiment Construction

[0024] In the first implementation form, the range hood has a casing, a built-in fan, and a ventilation device. The ventilation device is a section of pipeline passing through the wall, and the indoor opening of the pipeline has blades that can be opened and closed by rotation (the blades can also be opened and closed in opposite directions or by shafts).

[0025] Turn on the range hood, and the oil fume under the casing is exhausted through the fan. When the range hood is turned on, the vane at the mouth of the pipe is rotated by wire control, the oil fume is discharged, the indoor air pressure is reduced, and the pipe inhales air from the outside. When the cooker hood is turned off, the fan and the rotating blades are turned off at the same time.

[0026] In the second implementation form, the range hood has a casing, a built-in fan, and a ventilation device. The ventilation device is a section of pipeline through the wall. There is an electric fan in the pipeline that ca...

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Abstract

Atmospheric and overpressure range hoods. The invention relates to a range hood, which has a shell, a smoke suction port, a blower fan, a smoke outlet, and a ventilation device for adjusting indoor air pressure. The invention proposes a new way to improve the efficiency of the range hood by balancing or increasing the air pressure in the kitchen when the range hood is working, that is, balancing or increasing the air volume in the kitchen. Make range hood technology no longer a matter of separate consideration and design.

Description

technical field [0001] The invention relates to a range hood, which has a shell, a smoke suction port, a blower fan, a smoke outlet, and a ventilation device for adjusting indoor air pressure. Background technique [0002] At present, the oil fume extraction technology of the range hood is relatively mature. In the patent search, it can be found that the inventions used to remove the cooking fumes account for the vast majority. But these inventions all have common feature, promptly do well the process of exhausting oil fume with various technical schemes. [0003] The formation of stroke in nature is mainly due to changes in atmospheric pressure. The greater the difference in atmospheric pressure between the two places, the faster the air flows and the stronger the wind. This scientific principle is also followed in the small environment. Assume that there are two closed spaces separated by A and B in the small environment, both of which have atmospheric pressure or the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24C15/20F24F7/00
Inventor 李庞
Owner 李庞
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