EP0363329B1 - Dispositif de ventilation pour hottes avec un filtre de nettoyage ionique à commande manuelle ou automatique - Google Patents

Dispositif de ventilation pour hottes avec un filtre de nettoyage ionique à commande manuelle ou automatique Download PDF

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Publication number
EP0363329B1
EP0363329B1 EP89830351A EP89830351A EP0363329B1 EP 0363329 B1 EP0363329 B1 EP 0363329B1 EP 89830351 A EP89830351 A EP 89830351A EP 89830351 A EP89830351 A EP 89830351A EP 0363329 B1 EP0363329 B1 EP 0363329B1
Authority
EP
European Patent Office
Prior art keywords
ionic
automatic
filter
conveyor unit
hoods
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89830351A
Other languages
German (de)
English (en)
Other versions
EP0363329A2 (fr
EP0363329A3 (en
Inventor
Giovanni Berardi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT89830351T priority Critical patent/ATE81903T1/de
Publication of EP0363329A2 publication Critical patent/EP0363329A2/fr
Publication of EP0363329A3 publication Critical patent/EP0363329A3/en
Application granted granted Critical
Publication of EP0363329B1 publication Critical patent/EP0363329B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2035—Arrangement or mounting of filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/08—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/32—Transportable units, e.g. for cleaning room air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/36—Controlling flow of gases or vapour
    • B03C3/368—Controlling flow of gases or vapour by other than static mechanical means, e.g. internal ventilator or recycler
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/45—Collecting-electrodes
    • B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings

Definitions

  • This invention concerns a conveyor unit for hoods with manual and automatic ionic cleaning filter.
  • This invention was designed after considerable study and research to realize a device which would on one hand improve the performance and practicality of current home filtering hoods and on the other, provide specific functions which standard hoods do not offer.
  • current filtering hoods used over cookers for drawing the hot air and fumes produced by cooking generally consist of an external, approximately parallelepiped casing in which all the mechanical and electrical components necessary for operation, are fitted.
  • the following components which are fitted to a plastic modular unit are housed in this support casing: the exhaust fan with motor, the air conveyor and various electrical controls in addition to a set of active carbon filters for cleaning the air drawn, before this is introduced into the room through an outlet.
  • DE-A-2 146 288 essentially shows a conveyor unit of hoods with manual and automatic ionic cleaning filter, consisting of a one piece box moulded in plastic material in a shape suitable for housing the different components of the device, such as the air conveyor, the exhaust fan with electric motor, the control pushbutton panel, the sensors for automatic starting, the lamps, the unit further comprising a moulded box-shaped, parallelepiped, rectangular compartment under the conveyor unit, in which the ionic filter, consisting of rectangular metal plates, is fitted and fixed.
  • a feature of this invention is that the ionic cleaning filter, which is fitted together with the complete support block in a standard kitchen hood, has been interlocked with a series of controls which offer manual control by the user, and automatic control occurring in accordance to specific situations caused by the use of the cooker (production of fumes and/or heat).
  • an air conveyor and filtering device similar to that of this patent application can be used not only in a standard parallelepiped casing for traditional use over a cooker, but also inside a steel box for use in different applications or even for use in rooms other than a kitchen - as for example in bathrooms - in which fumes or heat are produced and where there is the risk of harmful or dangerous gas leaks.
  • This conveyor unit is made of moulded plastic materials in a shape suitable for containing the different device components, in particular the following: the actual air conveyor, the exhaust fan with a vertical axis and its operating motor.
  • a feature of this invention is that there is a moulded compartment with rectangular plan under this conveyor unit, in which the ionic cleaning filter is fitted and from which it can be removed easily and quickly.
  • This ionic filter consists of a series of identical metal plates made of a suitable material, fitted on top of one another horizontally with a small space between each other, on which an electrostatic field is created, by means of electric connections, to carry out the ionic cleaning process of the air flow passing through; this filtering process occurs since this electrostatic field holds back the dirt molecules in the air which passes through the metal plates.
  • a device of this type ensures the fully automatic suction and cleaning of vitiated air of any fumes which are harmful to human health or dangerous for the safety of structures surrounding the heat source, even when the user is absent.
  • the device according to this patent application can be fitted in a compartment having a different shape next to or above other types of home appliances such as boilers, burners, gas cookers etc., instead of being fitted above a cooking hob.
  • the device in question consists of a body made of moulded plastic materials (1) which is not only suitably shaped to act as an air conveyor but can also house the different operating parts necessary for drawing the air.
  • a fan (V) with a vertical axis can be seen, for drawing the vitiated air and operated by an electric motor (M) which is in turn controlled by hand by means of switches (I) on the control panel fitted at the front of the hood, or alternatively operated as a result of automatic impulses transmitted to the same, when necessary, by sensors for detecting the presence of kitchen odours, vapours, heat or gas in the air.
  • a box-shaped, parallelepiped compartment (D) with rectangular plan is produced at the bottom of this block (1) during the only moulding phase, in which the actual ionic filter (F) can be fitted and fixed with screws;
  • the ionic filter (F) consists of four rectangular, metal plates (2) supported in an overlying and staggered position by two longitudinal bearing sides (2a) where the longitudinal edges of these plates are embedded; these sides (2a) project from a base plate (2b) which is made of moulded plastic together with the two longitudinal sides (2a).
  • the overlying plates (2) are shorter than the longitudinal sides (2a), inside of which they must be placed so that the respective air passages are not vertically aligned but alternated; in other words two consecutive plates must allow a passage for the air, one towards the side right hand edge and the other towards the left hand edge, and so on.
  • the ionic filter operates as follows: when the exhaust fan is switched on, the vitiated air which is drawn from the bottom towards the top, starts to enter the box-shaped compartment (D) through the passage on the lower plate (2), immediately behind the above bottom plate (2b); in order to rise to the air conveyor in the support component (1), the air is therefore forced to flow in the subsequent horizontal air spaces between the plates in alternating directions, from right to left, since the passages on the next plates, namely the only possible passage sections, are placed in alternating positions towards the two opposite side ends of the box-shaped compartment (D).
  • the complete conveyor unit (1) complete with ionic filter (F)
  • ionic filter (F) is fitted in the casing of a kitchen hood (as illustrated in figure 3); an additional ionic filter (F1) could be fitted close to the air conveyor outlet, in order to filter the air again before this is returned to the room.
  • the filtering components that is the metal plates, of an exhaust fan fitted with ionic filters
  • the filtering components are not subject to wear as in the case of active carbon cartridges, but at the most may be subject to become progressively dirty as a result of the repeated deposits of dirt transported in the air which is drawn;
  • the structural shape of the ionic filter (F) has been designed to allow even the most inexperienced housewife to remove it easily and quickly in order to clean it, which as mentioned previously, need only be done once a year.
  • the ionic filter (F) When the ionic filter (F) has been removed from the compartment (D), it can be washed easily by soaking in a solution of standard solvents.
  • the electric system for operating the cleaning system can also be housed on the conveyor unit in question, in addition to the box housing the electronic system for the automatic operation of the unit, which switches on automatically when heat, kitchen odours, fumes and even gas leaks are detected.
  • This filter could also be fixed with release sliders instead of traditional screws, since the former are more practical and easier to move.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • External Artificial Organs (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Cleaning In General (AREA)

Claims (4)

1) Bloc convoyeur pour hottes avec filtre épurateur ionique à commande manuelle et automatique, du type composé d'une boîte monolithique, moulée en matériels plastiques, ayant une forme prévue pour contenir les différents éléments du dispositif comme le convoyeur d'air, l'hélice d'aspiration avec son moteur électrique, les poussoirs de commande, les détecteurs pour la mise en marche automatique, les lumières d'éclairage et, en outre, d'un logement en forme de boîte, aménagé par moulage et ayant la forme d'un parallélipipède à base rectangulaire au-dessous du bloc convoyeur et dans lequel est encastré et fixé le filtre ionique, ledit filtre ionique étant réalisé avec des plaques métalliques, et caractérisé en ce que lesdites plaques métalliques de forme rectangulaire sont en nombre de quatre et disposées horizontalement, supportées en position juxtaposée et légèrement décalée par deux rebords portants longitudinaux (2a) où les bords plus longs des susdites plaques métalliques (2) résultent noyés; lesdits rebords portants longitudinaux (2a) forjettant d'une plaque de support inférieure (2b) obtenue par moulage de matériels plastiques avec les rebords mêmes (2a), ces derniers résultant légèrement plus longs des plaques (2), lesdites plaques (2) étant alternativement placées sur les bords plus courts opposés au logement rectangulaire (D) de manière qu'à l'interne du susdit logement (D) se créent des sections alternes de passage de l'air à dépurer et qu'à l'externe d'un des rebords longitudinaux (2a) soit aménagée, par moulage, une niche pour le bornier (2c) où introduire la fiche pour le branchement électrique du filtre ionique (F).
2) Bloc convoyeur pour hottes avec filtre épurateur ionique à commande manuelle et automatique, selon la revendication 1), caractérisé en ce que le filtre ionique (F) résulte fixé à l'interne du logement (D) au moyen de vis distancées le long du périmètre de la plaque de base (2b) susdite et qui font aussi prise dans les rebords du logement (D).
3) Bloc convoyeur pour hottes avec filtre épurateur ionique à commande manuelle et automatique, selon les revendications précédentes, caractérisé en ce que sa mise en marche peut s'effectuer manuellement au moyen des interrupteurs prévus sur le tableau de commande monté de front sur la hotte.
4) Bloc convoyeur pour hottes avec filtre épurateur ionique à commande manuelle et automatique, selon la revendication 2, caractérisé en ce que sa mise en marche peut s'effectuer suite à des impulsions automatiques qui lui sont transmises par des détecteurs en mesure d'avertir dans l'air la présence d'odeurs de cuisine, vapeurs, émissions de chaleur ou de gaz.
EP89830351A 1988-08-05 1989-07-26 Dispositif de ventilation pour hottes avec un filtre de nettoyage ionique à commande manuelle ou automatique Expired - Lifetime EP0363329B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89830351T ATE81903T1 (de) 1988-08-05 1989-07-26 Luftfoerderer fuer eine ionische filterhaube mit automatik oder mit handbedienung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT56688U 1988-08-05
IT8800566U IT215797Z2 (it) 1988-08-05 1988-08-05 Blocco convogliatore per cappette con filtro depuratore ionico a comando manuale

Publications (3)

Publication Number Publication Date
EP0363329A2 EP0363329A2 (fr) 1990-04-11
EP0363329A3 EP0363329A3 (en) 1990-05-23
EP0363329B1 true EP0363329B1 (fr) 1992-10-28

Family

ID=11099513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89830351A Expired - Lifetime EP0363329B1 (fr) 1988-08-05 1989-07-26 Dispositif de ventilation pour hottes avec un filtre de nettoyage ionique à commande manuelle ou automatique

Country Status (4)

Country Link
EP (1) EP0363329B1 (fr)
AT (1) ATE81903T1 (fr)
ES (1) ES2036842T3 (fr)
IT (1) IT215797Z2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9311478U1 (de) * 1993-08-02 1993-09-30 BHL-Blechbearbeitungs GmbH, 73485 Unterschneidheim Filtereinsatz für eine Dunstabzugshaube
US6820609B2 (en) * 2002-04-03 2004-11-23 Vent-A-Hood Ltd. Low-profile ventilation hood
JP2014001862A (ja) * 2012-06-15 2014-01-09 Corona Corp 燃焼装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678655A (en) * 1969-06-03 1972-07-25 Ronald N Rose Electrostatic precipitator cell for desk or tabletop air purifier
DE2146288A1 (de) * 1971-09-16 1973-03-22 Bosch Hausgeraete Gmbh Kuechendunstabzugshaube zum abscheiden von wrasen und verunreinigungen aus der raumluft
DE2832786A1 (de) * 1977-07-29 1979-02-15 Prl Soc Dunstabzugshaube
IT1199766B (it) * 1986-12-15 1988-12-30 Mantini Franco Depuratore d'aria elettrostatico particolarmente per cappe aspiranti da cucina

Also Published As

Publication number Publication date
IT215797Z2 (it) 1990-11-14
EP0363329A2 (fr) 1990-04-11
IT8800566V0 (it) 1988-08-05
EP0363329A3 (en) 1990-05-23
ATE81903T1 (de) 1992-11-15
ES2036842T3 (es) 1993-06-01

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