Electrostatic filter unit and ventilation device with electrostatic filter unit

A ventilation device and filter technology, applied in the direction of electrode conveying device, external electrostatic separator, electrostatic separation, etc., can solve problems such as complex structure, large number of filter parts, and high risk of damage

Pending Publication Date: 2019-10-22
BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The disadvantages of such electrostatic filters are, on the one hand, the large number of components and the complex structure of the filter
On the other hand, in this structure, especially due to the use of metal wires as ionization electrodes, there is a high risk of damage, e.g.

Method used

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  • Electrostatic filter unit and ventilation device with electrostatic filter unit
  • Electrostatic filter unit and ventilation device with electrostatic filter unit
  • Electrostatic filter unit and ventilation device with electrostatic filter unit

Examples

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Embodiment Construction

[0045] exist figure 1 An embodiment of a ventilating device 5 according to the invention is shown in , which shows a cooker hood in the form of a ceiling vent. In the embodiment shown, the ventilation device 5 has a ventilation housing 50 and a baffle 51 which is located below the ventilation housing 50 , that is to say in front of the bottom side of the ventilation housing 50 in the direction of flow. Between the bottom side of the ventilation housing 50 and the baffle 51 there is formed a suction opening 52 , which can also be referred to as a suction gap. A plurality of filter units 1 are accommodated in the suction opening 52 . In the illustration shown, two filter units 1 are arranged along the width of the ventilation device 5 and one filter unit 1 is arranged along the depth of the ventilation device 5 . The ventilation device 5 is arranged above the cooking zone 6 and can be accommodated, for example, in a ceiling (not shown), wherein at least the suction opening 52 ...

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PUM

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Abstract

The present invention relates to an electrostatic filter unit for a ventilation device (5), which comprises an ionization unit (2) with at least one ionization element (28) and at least one counter electrode (22), and a separation unit (3). The filter unit (1) is characterized in that the at least one counter electrode (22) has at least one opening (220) and the ionization element (28) comprises at least one needle-shaped ionization electrode (21) with a tip (211); the ionization electrode (21) is perpendicular to the opening (220) of the counter electrode (22) and the tip (211) is in the opening (220) of the counter electrode (22). In addition, the invention relates to a ventilation device (5) which has at least one such filter unit.

Description

technical field [0001] The invention relates to an electrostatic filter unit and a ventilation device with such a filter unit. Background technique [0002] It is known to filter dirt from the air by means of ventilation. Here, mechanical filters such as non-woven mats, porous foam media, expanded metal filters or perforated plate filters can be used. In the case of ventilation systems for extractor hoods which are operated in kitchens, liquid and solid dirt are filtered out of the smoke and steam generated during cooking. As mechanical filters, in particular expanded metal filters, perforated plate filters, baffle filters—which can also be referred to as vortex filters, edge filter filters and porous foam media—are used here. [0003] Furthermore, a cooker hood is known, for example from DE 2146288 A, in which an electrostatic filter is used. In this cooker hood, the electrostatic filter is composed of a plate-shaped separation electrode and a counter electrode, and a li...

Claims

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Application Information

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IPC IPC(8): B03C3/12B03C3/43B03C3/47B03C3/70F24C15/20
CPCB03C3/12B03C3/43B03C3/47B03C3/70F24C15/20B03C2201/06B03C3/06B03C3/08B03C3/41B03C3/86B03C2201/10
Inventor G.黑佩尔勒G.霍斯特D.福尔马尔
Owner BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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