EP1852185A1 - Labor-Filtrationshaube - Google Patents

Labor-Filtrationshaube Download PDF

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Publication number
EP1852185A1
EP1852185A1 EP06425301A EP06425301A EP1852185A1 EP 1852185 A1 EP1852185 A1 EP 1852185A1 EP 06425301 A EP06425301 A EP 06425301A EP 06425301 A EP06425301 A EP 06425301A EP 1852185 A1 EP1852185 A1 EP 1852185A1
Authority
EP
European Patent Office
Prior art keywords
hood
molecular filtration
filtration
filtering body
molecular
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.)
Withdrawn
Application number
EP06425301A
Other languages
English (en)
French (fr)
Inventor
Sergio.c/o Gruppo Strola S.A.S. Tosetti
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.)
Gruppo Strola Sas
Original Assignee
Gruppo Strola Sas
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 Gruppo Strola Sas filed Critical Gruppo Strola Sas
Priority to EP06425301A priority Critical patent/EP1852185A1/de
Publication of EP1852185A1 publication Critical patent/EP1852185A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L1/00—Enclosures; Chambers
    • B01L1/50—Enclosures; Chambers for storing hazardous materials in the laboratory, e.g. cupboards, waste containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/163—Clean air work stations, i.e. selected areas within a space which filtered air is passed

Definitions

  • the present invention refers to a multifunction molecular filtration hood.
  • Molecular filtration hoods are protection tools for technical operators in chemical laboratories, such operators being subjected to the risk of inhalation of toxic, obnoxious, allergic vapours etc.
  • the main components of a molecular filtration hood are:
  • Object of the present invention is providing a molecular filtration hood in which it is possible to realise a third operating mode, which allows the standard use of the molecular filtration hood with air recirculation in the environment according to the operating modes with which the filtration hood was created. If however there is the risk of lack of safety of the filtering system, or if the operators simply so desire, air, after filtration, can be expelled outside through the expulsion channel.
  • both operating modes can be used on a single type/model of hood through a by-pass system of any type or operation, which, upon a simple request from the operator, can send air, normally expelled into the confined environment in which the hood is placed, completely under total expulsion outside said confined environment.
  • a multifunction molecular filtration hood 1 substantially comprises:
  • the inventive hood 1 proposes a third operating mode, which allows the standard use of the molecular filtration hood with air recirculation in the environment, according to the operating modes with which the filtration hood was created.
  • both operating possibilities can be used on a single type/model of hood 1, through the means 9, which are preferably composed of a by-pass system of any type or operation, which, upon a simple operator's request, can send air, normally expelled in the confined environment in which the hood is placed, completely in expulsion outside said confined environment.
  • the by-pass systems 9 can be of any type and nature, provided that they allow using filtration hoods in a standard way and, simultaneously, upon request, can allow expulsion after filtration.
  • the means 9 can be realised inside the hood 1 (as shown in the Figures, in which 10 schematically designates a non-limiting actuator, for the alternate closure of opening 14 and channel 16), or outside the hood 1, in an easy way to realise, for example in the first part of the expulsion pipe, with a throttle system (not shown) to which a pipe can be connected, which re-sends air into the environment.
  • electric servo systems (not shown) can be used, equipped with electronic controls which can monitor the assembly safety.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
EP06425301A 2006-05-03 2006-05-03 Labor-Filtrationshaube Withdrawn EP1852185A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06425301A EP1852185A1 (de) 2006-05-03 2006-05-03 Labor-Filtrationshaube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06425301A EP1852185A1 (de) 2006-05-03 2006-05-03 Labor-Filtrationshaube

Publications (1)

Publication Number Publication Date
EP1852185A1 true EP1852185A1 (de) 2007-11-07

Family

ID=36991120

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06425301A Withdrawn EP1852185A1 (de) 2006-05-03 2006-05-03 Labor-Filtrationshaube

Country Status (1)

Country Link
EP (1) EP1852185A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103307662A (zh) * 2013-05-23 2013-09-18 王奉瑾 气囊正压装置及构建高洁净度工作腔的方法
CN103861858A (zh) * 2014-03-12 2014-06-18 亿丰洁净科技江苏股份有限公司 一种实验室绿色通风柜
EP2832461A1 (de) * 2013-07-31 2015-02-04 Kabushiki Kaisha Yaskawa Denki Arbeitsschrank und -blatt
EP3888611A1 (de) * 2020-03-31 2021-10-06 Yao I Fabric Co., Ltd. Luftreinigungsgerät zur luftreinigung in einem isolationsraum

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254588A (en) * 1965-05-24 1966-06-07 Truhan Andrew Laboratory fume hood
FR2178688A5 (de) * 1972-03-29 1973-11-09 Siemens Ag
US4127106A (en) * 1975-09-18 1978-11-28 Jensen Donald D Hood assembly
GB2043872A (en) * 1979-03-12 1980-10-08 Mulfingen Elektrobau Ebm A Spiral Box for a Fume Escape Hood
FR2458696A1 (fr) * 1979-06-06 1981-01-02 Mulfingen Elektrobau Ebm Unite commutable de ventilateur pour hottes d'aspiration de vapeurs
US5259812A (en) * 1992-09-23 1993-11-09 Kleinsek Don A Clean room and clean room containment center
US5312297A (en) * 1991-08-22 1994-05-17 Accu*Aire Systems, Inc. Air flow control equipment in chemical laboratory buildings
EP1180647A1 (de) * 2000-08-16 2002-02-20 Electrolux AG Dunstabzugshaube

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254588A (en) * 1965-05-24 1966-06-07 Truhan Andrew Laboratory fume hood
FR2178688A5 (de) * 1972-03-29 1973-11-09 Siemens Ag
US4127106A (en) * 1975-09-18 1978-11-28 Jensen Donald D Hood assembly
GB2043872A (en) * 1979-03-12 1980-10-08 Mulfingen Elektrobau Ebm A Spiral Box for a Fume Escape Hood
FR2458696A1 (fr) * 1979-06-06 1981-01-02 Mulfingen Elektrobau Ebm Unite commutable de ventilateur pour hottes d'aspiration de vapeurs
US5312297A (en) * 1991-08-22 1994-05-17 Accu*Aire Systems, Inc. Air flow control equipment in chemical laboratory buildings
US5259812A (en) * 1992-09-23 1993-11-09 Kleinsek Don A Clean room and clean room containment center
EP1180647A1 (de) * 2000-08-16 2002-02-20 Electrolux AG Dunstabzugshaube

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103307662A (zh) * 2013-05-23 2013-09-18 王奉瑾 气囊正压装置及构建高洁净度工作腔的方法
EP2832461A1 (de) * 2013-07-31 2015-02-04 Kabushiki Kaisha Yaskawa Denki Arbeitsschrank und -blatt
CN103861858A (zh) * 2014-03-12 2014-06-18 亿丰洁净科技江苏股份有限公司 一种实验室绿色通风柜
EP3888611A1 (de) * 2020-03-31 2021-10-06 Yao I Fabric Co., Ltd. Luftreinigungsgerät zur luftreinigung in einem isolationsraum

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