EP0497296B1 - Filter-Ventilator-Einrichtung zur Verwendung bei Reinräumen - Google Patents

Filter-Ventilator-Einrichtung zur Verwendung bei Reinräumen Download PDF

Info

Publication number
EP0497296B1
EP0497296B1 EP92101413A EP92101413A EP0497296B1 EP 0497296 B1 EP0497296 B1 EP 0497296B1 EP 92101413 A EP92101413 A EP 92101413A EP 92101413 A EP92101413 A EP 92101413A EP 0497296 B1 EP0497296 B1 EP 0497296B1
Authority
EP
European Patent Office
Prior art keywords
arrangement according
filter
arrangement
cover part
boundary walls
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
EP92101413A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0497296A2 (de
EP0497296A3 (en
Inventor
Manfred Dr. Renz
Helmut Bauer
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.)
Meissner and Wurst GmbH and Co
Original Assignee
Meissner and Wurst GmbH and Co
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
Priority claimed from DE4103026A external-priority patent/DE4103026C1/de
Priority claimed from DE4133093A external-priority patent/DE4133093A1/de
Application filed by Meissner and Wurst GmbH and Co filed Critical Meissner and Wurst GmbH and Co
Publication of EP0497296A2 publication Critical patent/EP0497296A2/de
Publication of EP0497296A3 publication Critical patent/EP0497296A3/de
Application granted granted Critical
Publication of EP0497296B1 publication Critical patent/EP0497296B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • F24F3/167—Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S454/00—Ventilation
    • Y10S454/906—Noise inhibiting means

Definitions

  • the invention relates to a filter-fan device for use in clean rooms according to the preamble of claim 1.
  • the invention has for its object to design the generic filter fan device so that it has a high noise insulation, a uniform flow distribution and low flow losses with a compact design and has a low energy requirement.
  • the flow space is designed as an annular channel which, due to its annular design, only has to have a small height.
  • the device according to the invention can thereby be made very compact. With the ring channel, a uniform flow distribution and a uniform speed over the filter surface is possible, so that the air can enter the clean room underneath evenly through the filter. As a result of the ring channel, only very short flow paths are provided, which also results in low flow losses and, accordingly, only a low energy requirement.
  • the filter-fan units according to FIGS. 1 to 3 are characterized by high noise insulation and a uniform flow distribution with a compact design.
  • the units can be used by all clean room users, e.g. in medicine, pharmacy, biotechnology, electronics and semiconductor technology.
  • the filter units are particularly suitable for small clean room areas, for subsequent installation of existing clean room areas and for local clean rooms.
  • With the units clean rooms can be constructed in a modular and thus flexible manner, so that the clean room areas can be changed and / or supplemented at any time, for example as a result of technical progress. In this way, extensions, conversions or improvements to the clean room class can be carried out quickly and inexpensively.
  • Clean room 1 shows a clean room 1 which has a floor 2 which is permeable to air. It lies at a distance above an air-impermeable floor 3 which, together with the permeable floor 2, delimits a return air duct 4.
  • a process device 5 is located in clean room 1.
  • Clean room 1 is delimited at the top by a ceiling 6, which is formed in a grid-like manner by filters 7 of filter-fan units 8.
  • the filter-fan units 8 are designed as modules, which are arranged side by side and one behind the other to form the grid ceiling 6.
  • the individual filter-fan units 8 can advantageously be replaced individually quickly, so that any repairs or maintenance can be carried out easily and quickly.
  • Each unit 8 has at least one fan 9, with which cooling air 10 and return air 25 (FIG. 2) are drawn in and conveyed through the filter 7 into the clean room 1.
  • the filtered air flows at least approximately laminar vertically downwards to the floor 2, passes through it and is deflected at the lower, closed floor 3 and flows outwards in the return air duct 4 (cf. arrows in FIG. 1).
  • each filter-fan unit 8 is provided with a cooling air connection 11. As schematically shown in FIG. 1, a plurality of cooling air connections 11 are each connected to a common supply line 12.
  • the filter-fan units 8 which are designed as modules, are each advantageously of identical design. They will be explained in detail with reference to FIGS. 2 and 3.
  • the unit 8 has an approximately square outline in the exemplary embodiment, but can also have a rectangular or any other suitable outline.
  • the square or rectangular outline has the advantage that the ceiling of the clean room 1 can be constructed in a grid form from only a few units 8.
  • the unit 8 has an outer wall 13 which is formed from four wall parts 13a to 13d which are placed at right angles to one another. They extend from a support 14 (Fig. 2) upwards.
  • the support 14 can be formed by rails, bars or the like.
  • a horizontal ceiling part 15 is placed on the wall parts 13a to 13d and has the same outline as the unit 8.
  • the ceiling part 15 has an opening 16 into which the fan 9 is inserted. It projects downwards over the ceiling part 15.
  • a further ceiling part 17 is provided, which is parallel to the ceiling part 15 and together with this limits a return air duct 18.
  • the ceiling part 17 can have the same outline as the ceiling part 15 and is held along its circumference by spacers 19 at a distance from the ceiling part 15.
  • the ceiling part 17 is preferably slightly smaller than the ceiling part 15. This facilitates the intake of the return air.
  • the ceiling part 17 can of course also have a different outline than the ceiling part 15.
  • the spacers 19 are provided with inlet openings (not shown) for the return air.
  • the ceiling part 17 is provided centrally with the cooling air connection 11, which is designed as a connecting piece to which the supply line 12 (FIG. 1) can be connected.
  • the cooling air connection 11 is thus at a distance above the fan 9 (Fig. 2).
  • the cooling air connection 11 advantageously does not protrude into the return air duct 18, but lies flush with the underside of the ceiling part 17.
  • the fan 9 preferably does not protrude into the return air duct 18, but lies flush with the one Ceiling part 17 facing the top of the ceiling part 15.
  • intermediate walls 20a to 20d are provided, which run parallel to the wall parts 13a to 13d and also extend upwards from the support 14. However, they end at a distance from the ceiling part 15 (Fig. 2).
  • the intermediate walls 20a to 20d have the same height and are thicker than the outer wall parts 13a to 13d in the exemplary embodiment.
  • a square annular channel 21 is formed between the intermediate walls 20a to 20d and the outer wall parts 13a to 13d, in which the air sucked in by the fan 9 flows downward in the direction of the filter 7.
  • inner wall parts 22a to 22d are arranged at a distance from the intermediate walls 20a to 20d, which also extend upwards from the support 14 and parallel to the intermediate walls. They have a lower height than the intermediate walls 20a to 20d (FIG. 2).
  • the inner wall parts 22a to 22d in turn adjoin one another at right angles and, together with the intermediate walls 20a to 20d, delimit a further square annular channel 23 (FIG. 3).
  • the inner wall parts 22a to 22d viewed in plan view, surround the fan 9 at a short distance.
  • the space enclosed by the inner wall parts 22a to 22d is closed by a plate 24 in the direction of the filter 7. 3, the plate 24 fills the interior enclosed by the wall parts 22a to 22d. As shown in FIG. 2, the plate 24 is fastened approximately halfway up the inside of the wall parts 22a to 22d.
  • All wall parts 13a to 13d, 20a to 20d and 22a to 22d are fastened on the support 14, which can be formed by profiled rails or the like. It is also possible to hang the wall parts 13a to 13d, 20a to 20d, 22a to 22d hanging on the ceiling part 15, for example with threaded rods.
  • the filter 7 is provided, which is either part of the unit or is a separate component that is connected to the unit during assembly.
  • All wall parts 13a to 13a, 20a to 20d, 22a to 22d consist of sound-absorbing material, such as mineral wool, foams or the like.
  • the ceiling parts 15 and 17 also consist of sound-insulating material. This results in a very high level of noise insulation for the filter-fan unit 8.
  • the plate 24 also consists of sound-absorbing material. Since the individual walls are composed of wall parts, they can be assembled from prefabricated parts. As a result, only individual wall parts can be replaced if necessary, so that the entire wall does not have to be replaced if only one wall part is damaged or worn.
  • the wall parts 13a to 13d, 20a to 20d and 22a to 22d can also each be formed in one piece.
  • the filter 7 is made of conventional material and can be designed so that it is suitable for clean rooms up to at least class 1.
  • Cooling air is drawn in centrally by the fan 9 via the cooling air connection 11 (FIG. 2).
  • the return air (arrows 25) is drawn in by the fan 9 via the return air duct 18. Since the cooling air 11 is sucked in centrally to the fan 9 and the return air is drawn in transversely thereto, the cooling air is mixed well with the return air 25, as a result of which rapid temperature compensation is also achieved.
  • the sucked-in air is guided by the fan 9 in the direction of the arrows in FIG. 2 into the ring channels 21 and 23 and is directed vertically downwards to the filter 7 in them. After passing through the filter 7, the cleaned air enters the clean room 1 (FIG. 1).
  • the gradation of the wall parts 13a to 13d, 20a to 20d and 22a to 22d is selected in such a way that a uniform speed is achieved over the filter surface.
  • This filter-fan unit 8 is thus distinguished by a uniform flow distribution with a compact design and high noise insulation.
  • the flow paths from the fan 9 to the filter 7 are extremely short due to the ring channel, so that there are only very small flow losses and thus only a very low energy requirement.
  • the individual wall parts can be relatively low, so that in addition to the advantage of low flow losses, the unit 8 is also made extremely compact. Since the fan 9 is arranged centrally, there is a uniform flow over the circumference of the ring channels 21 and 23.
  • the filter-fan unit 8 can be suspended from the ceiling or used in a grid ceiling.
  • the units 8 can be used individually as well as modular to clean rooms of any size. Maintenance work on the units 8 only slightly affect clean room operation.
  • the individual filter-fan units 8 can be replaced individually quickly from below or from above.
  • the filter 7 can be changed from below.
  • the fans 9 are accessible from below, but also from above. This allows maintenance work to be carried out on walk-in units without having to shut down the entire clean room 1.
  • small and large clean rooms can be constructed inexpensively.
  • retrofitting with the filter-fan units 8 designed as modules is also possible at low cost. As a result of their compact design, the filter-fan units 8 also have only a low weight, so that simple assembly is possible. In addition, the ceiling load is relatively low.
  • the filter-fan unit 8 has only one ring channel, which is delimited by the outer wall parts 13a to 13d and the inner wall parts 22a to 22d.
  • Such a unit is even more compact and yet has all the advantages in terms of high noise insulation, uniform flow distribution and low interference losses. It is sufficient here if only one boundary wall, that is to say the wall parts 13a to 13d or the wall parts 22a to 22d, consist of sound-absorbing material.
  • all wall parts consist of sound-absorbing material, so that very high noise insulation is achieved.
  • the filter-fan unit 8 can also have more than two ring channels.
  • are appropriate more wall parts are provided, which in turn are coordinated in height so that the wall height decreases from the outside inwards. This gradation is again chosen so that a uniform flow velocity of the air over the filter surface is achieved.
  • the units 8 can thus be very easily adapted to the respective applications by merely providing a different number of wall parts. All variants are characterized by the high noise insulation, the uniform flow distribution, the compact design, the low flow loss and the low weight.
  • the units 8 and the wall parts can also have any other suitable outline, for example a round outline.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP92101413A 1991-02-01 1992-01-29 Filter-Ventilator-Einrichtung zur Verwendung bei Reinräumen Expired - Lifetime EP0497296B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4103026 1991-02-01
DE4103026A DE4103026C1 (fi) 1991-02-01 1991-02-01
DE4133093 1991-10-05
DE4133093A DE4133093A1 (de) 1991-10-05 1991-10-05 Filter-ventilator-einrichtung zur verwendung bei reinraeumen

Publications (3)

Publication Number Publication Date
EP0497296A2 EP0497296A2 (de) 1992-08-05
EP0497296A3 EP0497296A3 (en) 1993-04-14
EP0497296B1 true EP0497296B1 (de) 1996-04-03

Family

ID=25900684

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92101413A Expired - Lifetime EP0497296B1 (de) 1991-02-01 1992-01-29 Filter-Ventilator-Einrichtung zur Verwendung bei Reinräumen

Country Status (6)

Country Link
US (1) US5297990A (fi)
EP (1) EP0497296B1 (fi)
DE (1) DE59205885D1 (fi)
ES (1) ES2085499T3 (fi)
FI (1) FI98158C (fi)
IE (1) IE74881B1 (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016226157A1 (de) 2016-12-23 2018-06-28 Ziehl-Abegg Se Ventilatormodul sowie Anordnung eines oder mehrerer solcher Ventilatormodule in einem Strömungskanal

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5526805A (en) * 1993-11-03 1996-06-18 Dryden Engineering Company, Inc. In-line silencer for clean room breathing apparatus
DE19511158C2 (de) * 1995-03-27 2000-01-27 Meissner & Wurst Ventilatoreinheit für Reinräume
DE19518445A1 (de) * 1995-05-19 1996-11-21 Meissner & Wurst Reinraumanlage
DE19518455C2 (de) * 1995-05-19 1998-07-02 Sfb Planungs Und Handelsgesell Schlauchbandförderer
JPH0960942A (ja) * 1995-08-25 1997-03-04 Mitsubishi Electric Corp 送風機
JP3090088B2 (ja) * 1997-02-07 2000-09-18 富士電機株式会社 クリーンルームのファンフィルタユニット
SE513093C2 (sv) 1997-06-27 2000-07-03 Flaekt Ab Fläktmodul för renrumstillämpningar
US6319297B1 (en) * 1998-03-27 2001-11-20 Asyst Technologies, Inc. Modular SMIF pod breather, adsorbent, and purge cartridges
US7630198B2 (en) * 2006-03-08 2009-12-08 Cray Inc. Multi-stage air movers for cooling computer systems and for other uses
US6383241B1 (en) 2000-02-16 2002-05-07 Battelle Memorial Institute Protective filtration system for enclosures within buildings
DE10019543C2 (de) * 2000-04-20 2002-03-07 Fraunhofer Ges Forschung Zuluftelement
KR100370014B1 (ko) * 2000-05-16 2003-01-29 엘지전자 주식회사 공기조화기의 실외기의 소음 저감구조
US7597534B2 (en) 2003-03-20 2009-10-06 Huntair, Inc. Fan array fan section in air-handling systems
US11255332B2 (en) * 2003-03-20 2022-02-22 Nortek Air Solutions, Llc Modular fan housing with multiple modular units having sound attenuation for a fan array for an air-handling system
US7137775B2 (en) 2003-03-20 2006-11-21 Huntair Inc. Fan array fan section in air-handling systems
US20050211190A1 (en) * 2004-02-26 2005-09-29 Weinblatt Richard C Device for keeping pets' ears clean or substantially clean
US7434657B2 (en) * 2004-05-11 2008-10-14 H-P Products, Inc. Acoustic foam sound reducer for vacuum power unit
US7314113B2 (en) * 2004-09-14 2008-01-01 Cray Inc. Acoustic absorbers for use with computer cabinet fans and other cooling systems
US7320721B2 (en) * 2005-03-17 2008-01-22 Samsung Electronics Co., Ltd. Chemical filter and fan filter unit having the same
JP2006263688A (ja) * 2005-03-25 2006-10-05 Seiko Epson Corp ファン・フィルタユニットおよびこれを備えたクリーンブース
US20090269219A1 (en) * 2005-07-29 2009-10-29 Bsh Bosch Und Siemens Hausgerate Gmbh Domestic appliance with a sound damper
DE102005062523A1 (de) * 2005-12-19 2007-06-21 M+W Zander Holding Ag Filter-Ventilator-Einheit
ATE495062T1 (de) * 2006-10-20 2011-01-15 Mann & Hummel Gmbh Filtersystem für eine brennkraftmaschine in einem kraftfahrzeug
US20090154091A1 (en) * 2007-12-17 2009-06-18 Yatskov Alexander I Cooling systems and heat exchangers for cooling computer components
US8170724B2 (en) 2008-02-11 2012-05-01 Cray Inc. Systems and associated methods for controllably cooling computer components
US7898799B2 (en) * 2008-04-01 2011-03-01 Cray Inc. Airflow management apparatus for computer cabinets and associated methods
US7903403B2 (en) * 2008-10-17 2011-03-08 Cray Inc. Airflow intake systems and associated methods for use with computer cabinets
US8081459B2 (en) 2008-10-17 2011-12-20 Cray Inc. Air conditioning systems for computer systems and associated methods
DE102009027170A1 (de) * 2009-06-24 2010-12-30 BSH Bosch und Siemens Hausgeräte GmbH Externes Gebläse für Dunstabzugsvorrichtung
US8087492B2 (en) * 2010-03-08 2012-01-03 Huntair, Inc. Methods and systems for integrating sound attenuation into a filter bank
US8472181B2 (en) 2010-04-20 2013-06-25 Cray Inc. Computer cabinets having progressive air velocity cooling systems and associated methods of manufacture and use

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1685701A (en) * 1926-03-18 1928-09-25 Blanchard Joseph Exhaust-gas muffler for internal-combustion engines
DE7213615U (de) * 1972-04-12 1972-10-05 Laufenberg W Ventilationsgerät zum Anbringen auf Entlüftungsschächten
AT337409B (de) * 1973-07-19 1977-06-27 Fischbach Kg Blech Metall R Dachlufter
DE8303119U1 (de) * 1983-02-05 1983-05-11 Siegenia-Frank Kg, 5900 Siegen Lueftungsvorrichtung fuer den einbau in fenster und/oder in andere wandoeffnungen von gebaeuden
JPS59157432A (ja) * 1983-02-23 1984-09-06 Hitachi Plant Eng & Constr Co Ltd 組替式局所環境制御室
JPS6071830A (ja) * 1983-09-29 1985-04-23 Hitachi Plant Eng & Constr Co Ltd 組替式局所環境制御室
JPS62228827A (ja) * 1986-03-31 1987-10-07 Fuji Electric Co Ltd 清浄空気送風装置
JPH0733922B2 (ja) * 1987-05-13 1995-04-12 株式会社日立製作所 送風装置
DE3836147C2 (de) * 1988-10-23 1996-03-21 Ltg Lufttechnische Gmbh Reinraumdecke

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Prospektblatt 11/87, Firma Babcock- BSH "Clean-room tunnel-modul" *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016226157A1 (de) 2016-12-23 2018-06-28 Ziehl-Abegg Se Ventilatormodul sowie Anordnung eines oder mehrerer solcher Ventilatormodule in einem Strömungskanal
WO2018113855A1 (de) 2016-12-23 2018-06-28 Ziehl-Abegg Se Ventilatormodul sowie anordnung eines oder mehrerer solcher ventilatormodule in einem strömungskanal
US11371730B2 (en) 2016-12-23 2022-06-28 Ziehl-Abegg Se Fan system and arrangement of one or more such fan systems in a flow duct

Also Published As

Publication number Publication date
FI920433A (fi) 1992-08-02
IE74881B1 (en) 1997-08-13
EP0497296A2 (de) 1992-08-05
IE920336A1 (en) 1992-08-12
FI98158C (fi) 1997-04-25
FI920433A0 (fi) 1992-01-31
US5297990A (en) 1994-03-29
FI98158B (fi) 1997-01-15
DE59205885D1 (de) 1996-05-09
EP0497296A3 (en) 1993-04-14
ES2085499T3 (es) 1996-06-01

Similar Documents

Publication Publication Date Title
EP0497296B1 (de) Filter-Ventilator-Einrichtung zur Verwendung bei Reinräumen
EP1085270B1 (de) Reinstlufteinrichtung für den Pharmazie-, Lebensmittel- und biotechnischen Bereich
EP0641977B1 (de) Reinraumanlage
DE3006318C2 (de) Lüftungsvorrichtung
WO1999040766A1 (de) Lüfter zum anbau an ein wandelement eines schaltschrankes
DE2305923A1 (de) Verfahren und vorrichtung zur abschirmung von tueroeffnungen
EP0735329B1 (de) Ventilatoreinheit für Reinräume
DE1267816B (de) Klimakonvektor
EP2613096B1 (de) Haushalts-Dunstabzug mit vier parallelen Filterplatten
DE4103026C1 (fi)
DE2328186C2 (de) Induktionsgerät
EP2161512A2 (de) Dezentrales lufttechnisches Gerät sowie lufttechnische Anlage mit einem derartigen Gerät
EP0893655B1 (de) Wärmestation für eine Warmluft-Kirchenheizung
DE4320162C2 (de) Modul für eine Reinraumdecke
DE102005050010A1 (de) Lager für in einem Reinraum zu behandelnde Produkte, vorzugsweise Glasscheiben für Flüssigkristallbildschirme , sowie Verfahren zur Reinhaltung von Produkten in einem solchen Lager
EP2522924A2 (de) Zuluftdecke
DE4133093A1 (de) Filter-ventilator-einrichtung zur verwendung bei reinraeumen
DE202015102781U1 (de) Lüftungseinrichtung für Reinräume
DE2014524C3 (de) Vorrichtung zum Abscheiden von festen Teilchen aus Gasen
CH625877A5 (en) Method and device for conditioning products
AT207088B (de) Abschirmung von Raumöffnungen durch einen Luftschleier
DE2442378A1 (de) Klimaanlage
DE102020118766A1 (de) Plenumsunabhängige modulare Umluftvorrichtung
DE3832915A1 (de) Reinraum
DE102014001447A1 (de) Kühlanlage mit wenigstens einer Ventilatoranordnung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE CH DE ES FR GB IT LI NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE CH DE ES FR GB IT LI NL SE

17P Request for examination filed

Effective date: 19930826

17Q First examination report despatched

Effective date: 19940624

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE ES FR GB IT LI NL SE

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: PATENTANWALTSBUERO JEAN HUNZIKER

REF Corresponds to:

Ref document number: 59205885

Country of ref document: DE

Date of ref document: 19960509

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2085499

Country of ref document: ES

Kind code of ref document: T3

ITF It: translation for a ep patent filed

Owner name: STUDIO JAUMANN

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19960705

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20001212

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20010130

Year of fee payment: 10

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20020116

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20020124

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20020130

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020131

BERE Be: lapsed

Owner name: MEISSNER & WURST G.M.B.H. & CO. LUFTTECHNISCHE AN

Effective date: 20020131

EUG Se: european patent has lapsed

Ref document number: 92101413.0

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030129

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030131

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030131

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee
REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20030130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20110110

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20110127

Year of fee payment: 20

Ref country code: NL

Payment date: 20110202

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20110328

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59205885

Country of ref document: DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59205885

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: V4

Effective date: 20120129

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20120130