EP0458822A1 - Procede et dispositif pour mesurer le rayonnement emis en au moins deux points separes dans l'espace dans un processus de combustion et pour reguler ce dernier en fonction du rayonnement mesure. - Google Patents

Procede et dispositif pour mesurer le rayonnement emis en au moins deux points separes dans l'espace dans un processus de combustion et pour reguler ce dernier en fonction du rayonnement mesure.

Info

Publication number
EP0458822A1
EP0458822A1 EP90903013A EP90903013A EP0458822A1 EP 0458822 A1 EP0458822 A1 EP 0458822A1 EP 90903013 A EP90903013 A EP 90903013A EP 90903013 A EP90903013 A EP 90903013A EP 0458822 A1 EP0458822 A1 EP 0458822A1
Authority
EP
European Patent Office
Prior art keywords
zones
combustion
grate
radiation
individual
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.)
Granted
Application number
EP90903013A
Other languages
German (de)
English (en)
Other versions
EP0458822B2 (fr
EP0458822B1 (fr
Inventor
Klaus Dieter Rennert
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.)
Hitachi Zosen Inova Steinmueller GmbH
Original Assignee
L&C Steinmueller GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6373977&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0458822(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by L&C Steinmueller GmbH filed Critical L&C Steinmueller GmbH
Publication of EP0458822A1 publication Critical patent/EP0458822A1/fr
Application granted granted Critical
Publication of EP0458822B1 publication Critical patent/EP0458822B1/fr
Publication of EP0458822B2 publication Critical patent/EP0458822B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
    • F23N5/082—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/10—Arrangement of sensing devices
    • F23G2207/101—Arrangement of sensing devices for temperature
    • F23G2207/1015—Heat pattern monitoring of flames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/20—Waste supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/30—Oxidant supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2229/00—Flame sensors
    • F23N2229/20—Camera viewing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2233/00—Ventilators
    • F23N2233/06—Ventilators at the air intake

Definitions

  • the invention relates to a method for detecting the radiation emanating from at least two spatially separated points in a combustion process and regulating the combustion process as a function of the detected radiation.
  • the grate furnaces are becoming increasingly important, as they are particularly suitable for combustion 'of Hull.
  • the firing power controls are limited when they intervene in the Firing on the allocation of the primary air usually supplied from below to the grate, the secondary air supplied above the grate and the conveying speed of the feeder with which the waste is supplied to the grate, and the conveying speed on individual grate zones if such a different conveying speed is provided is.
  • the object of the present invention is to provide a method for monitoring combustion which generates automatically ascertainable evaluation criteria for the progress of combustion and enables automation of the control.
  • This object is achieved in that, in order to detect the radiation from a combustion on a grate, the radiation emanating essentially from individual combustion grate zones of the grate is detected and, depending on the radiation detected, the primary air supplied to the individual combustion zones and / or the
  • Transport speed of the fuel is regulated in individual zones.
  • thermographic process it is possible to record the temperature of the material bed formed on the grate over a large area, that is, to map a two di meni ona Len temperature course in individual grate zones and thus, depending on the recorded temperature image, the primary air supplied to the individual combustion zones and / or the transport speed of the To regulate fuel in individual zones.
  • the zoning can be done not only in the funding direction, but also across the funding direction.
  • the temperature profile recorded for the individual zones is compared to a predetermined temperature profile and used to form the corresponding control signals.
  • the grates considered in the case of the present application include in particular the single-lane or multi-lane feed grates, in which fixed and movable grate bars alternate in each grate path.
  • the zone subdivision is achieved here by different primary air supply.
  • These also include single or multi-lane-level grates, wherein the grate gradations overturning and breaking up of the fuel ski CHT cause and in which each grate element determines a grate zone in which the primary air 'jewei time Abbrandfort suits can be adapted to.
  • Such a zone division without gradation is also realized in the so-called burnout grates.
  • the invention can also be used with traveling grates, * roller grates, push-back grids, counter-rotating slide grids and the Scdazzling Lrosten.
  • the traveling grates with a rotating conveyor, the feed speed can only be regulated together for all zones, but a zone-by-zone primary air supply is possible.
  • the invention is also directed to a device for detecting the radiation emanating from at least two spatially separated locations of a combustion process by means of a detector device, with an evaluation device downstream of the detector device and the control device downstream of the evaluation device for influencing the combustion process.
  • the invention has further set itself the task of making this device suitable for use on a combustion grate and to improve the combustion on the grate.
  • the detector device detects the radiation of individual grate zones corresponding to the material bed temperature and adjusting devices for the supply of primary air and / or for the individual grate zones which are separately adjustable
  • Transport speed of the fuel in the material bed through individual grate zones are assigned.
  • the detector device can preferably have at least one thermographic or infrared camera, which detects the radiation of several rust zones at the same time.
  • thermography camera With a thermography camera, the material bed can be detected over a large area and with the camera downstream evaluation devices, the material bed can be assigned isotherms that are either restricted to individual zones or over several zones.
  • two infrared cameras are provided, each of which is a side wall of the combustion chamber are assigned and capture the same bed surface. This provides redundancy and thus security of the control.
  • thermographic e-camera which covers the bed over a large area
  • the detector device may comprise a multiplicity of individual detectors, which are assigned in groups to individual rust zones and certain product bed temperature ranges or temperatures.
  • the detectors are preferably arranged transversely to the conveying direction of the grate.
  • Photodiodes, rod detectors and thermocouples can be used as single oil detectors.
  • FIG. 1 shows a schematic section through a
  • FIG. 2 a view of the grate zones with two thermographic cameras arranged on the side with an isothermal distribution that is unfavorable for combustion
  • FIG. 3 a view comparable to FIG. 2 with an optimal isothermal distribution for combustion
  • FIG. 4 a top view comparable to FIG. 2 and 4 3, however, without a thermographic e-camera, but with a group of individual detectors.
  • FIG. 1 shows a furnace 1 with a step feed grate 2 as described in the applicant's brochure "Combustion technology - feed grate” (P 8303-05-13 / 1 IDG).
  • the feed grate 2 has five combustion zones A, B, C, D and E, the zones B and C or D and E being separated from one another by a stage 3 or 4.
  • FIG. 1 is shown schematically that the movable grate bars of the individual zones A - E are each assigned to a Rostsch Li tten 5.
  • the grate slides A5 - E5 can be moved back and forth via schematically illustrated hydraulic drives A6 - E6.
  • the kiln in particular MÜLL, is fed into the grate 2 via a funnel 7 and a likewise hydraulically actuated distributor 8, specifically to the feed zone 8 ".
  • the allocation zone 8 'and the combustion zones A - E with movable grate bars are each associated with underwind zones 9 and A9 - E9, to which primary combustion air can be supplied via control lines 9' and A12 - E12.
  • the flue gases rising from the combustion grate 2 can still be supplied via a line 12 and control flaps 12 'and 12 "secondary air via several nozzles 13.
  • thermographic cameras 15a and 15b are arranged in such a way that they cover substantially the entire rectangular area of zones B, C and D. This can be achieved with an imaging and focusing opti, not shown, but common in the field.
  • thermography cameras 15 are connected to an evaluation circuit 16 which, as schematically represented by the arrow S, specifies the desired temperature profile in the area of the three monitored zones B, C and D. Monitoring can also be extended to the other zones or to two adjacent or separate zones are restricted; this depends on the desired level of monitoring and regulation.
  • the evaluation circuit 16 is connected to the drives A6 - E6 for the feed and the flaps A12 - E12 for the primary air supply. It is also possible that the evaluation circuit also controls the flap 9 * for the primary air zone 9, the flap 10 'for the total primary air volume, the drive of the component 8 and the caps 12 * and 12 "for the secondary air.
  • FIG. 2 shows a course of combustion along and transversely to the grating direction VS of the grate, which does not lead to optimal combustion.
  • the temperature range with assumed here highest combustion temperature is too far forward, ie essentially in the zone B, and is located in the "zone D, an area while a lower temperature than in the hot zone, but a lower temperature should here be achieved already .
  • thermography cameras 15 record the two di ensi ona le radiation distribution in the area of zones B - D and the evaluation circuit compares the resulting isotherms according to FIG. 2 with the predetermined target isotherms, as shown in FIG. 3 are shown.
  • zones B, C and D are assigned individual detectors arranged in groups, each of which emits an output signal when a predetermined temperature or a predetermined temperature range prevails in its field of vision.
  • the grate is designed in three lanes, i. H. In the individual zones, partial zones are formed transversely to the feed direction, e.g. B. BI, BII and BIII. These sub-zones can be assigned separate feed devices and / or separate primary air feeds. Each of the sub-zones is assigned a detector assembly 17 with individual detectors 17a, 17b, 17c and 17d, each of which detects a separate temperature range.
  • thermographic camera compared to the use of a thermographic camera, a certain digitization of the signals corresponding to the temperatures has already been achieved, so that the evaluation circuit 16 can be significantly simplified.
  • groups of detectors are also cheaper than thermography cameras.
  • the evaluation circuit which is connected downstream of a thermographic camera, can be designed such that individual paths are taken into account in the evaluation.
  • Appropriately designed focusing optics can be assigned to the entire assembly 17 or the individual elements are so that the individual sub-zones z. B. BI, BII and BIII to the extent necessary, as shown in FIG. 4 is outlined.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Incineration Of Waste (AREA)

Abstract

Dans le procédé et le dispositif décrits, pour améliorer le contrôle de la combustion, le rayonnement émanant de la combustion sur une grille est mesuré par détection du rayonnement émis essentielement par des zones individuelles de combustion de la grille, et l'amenée d'air primaire aux zones individuelles de combustion et/ou la vitesse de transport du combustible dans lesdites zones est régulée en fonction du rayonnement mesuré.
EP90903013A 1989-02-14 1990-02-12 Procédé et dispositif pour la régulation de la combustion d'un combustible dans un four à grille Expired - Lifetime EP0458822B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3904272 1989-02-14
DE3904272A DE3904272C3 (de) 1989-02-14 1989-02-14 Verfahren zum Erfassen der von mindestens zwei räumlich getrennten Stellen mindestens einer Verbrennungszone auf einem Rost ausgehenden Strahlung und Vorrichtung zum Erfassen einer solchen Strahlung
PCT/EP1990/000225 WO1990009552A1 (fr) 1989-02-14 1990-02-12 Procede et dispositif pour mesurer le rayonnement emis en au moins deux points separes dans l'espace dans un processus de combustion et pour reguler ce dernier en fonction du rayonnement mesure

Publications (3)

Publication Number Publication Date
EP0458822A1 true EP0458822A1 (fr) 1991-12-04
EP0458822B1 EP0458822B1 (fr) 1995-10-04
EP0458822B2 EP0458822B2 (fr) 1999-03-17

Family

ID=6373977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90903013A Expired - Lifetime EP0458822B2 (fr) 1989-02-14 1990-02-12 Procédé et dispositif pour la régulation de la combustion d'un combustible dans un four à grille

Country Status (4)

Country Link
EP (1) EP0458822B2 (fr)
DD (1) DD292068A5 (fr)
DE (2) DE3904272C3 (fr)
WO (1) WO1990009552A1 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4220149C2 (de) * 1992-06-19 2002-06-13 Steinmueller Gmbh L & C Verfahren zum Regelung der Verbrennung von Müll auf einem Rost einer Feuerungsanlage und Vorrichtung zur Durchführung des Verfahrens
DE4344906C2 (de) * 1993-12-29 1997-04-24 Martin Umwelt & Energietech Verfahren zum Regeln einzelner oder sämtlicher die Verbrennung auf einem Feuerungsrost beeinflussender Faktoren
BR9505838A (pt) * 1994-02-07 1996-02-13 Doikos Investments Ltd Processo para combustão de material sólido com um sistema de grelha para combustão deslizante
DE4428159C2 (de) * 1994-08-09 1998-04-09 Martin Umwelt & Energietech Verfahren zur Regelung der Feuerung bei Verbrennungsanlagen, insbesondere Abfallverbrennungsanlagen
AT402762B (de) 1994-12-05 1997-08-25 Staudinger Gernot Verfahren und vorrichtung zum regeln einer rostfeuerung mit beweglichem rost
DE4445954A1 (de) * 1994-12-22 1996-06-27 Abb Management Ag Verfahren zur Verbrennung von Abfällen
JP2712017B2 (ja) * 1995-11-24 1998-02-10 繁 齋藤 燃焼系システム及び燃焼炉
DE19650119C1 (de) * 1996-12-03 1998-02-26 Martin Umwelt & Energietech Verfahren und Vorrichtung zur Erzeugung von nutzbarem Gas aus Abfallstoffen
DE19735139C1 (de) * 1997-08-13 1999-02-25 Martin Umwelt & Energietech Verfahren zum Ermitteln der durchschnittlichen Strahlung eines Brennbettes in Verbrennungsanlagen und Regelung des Verbrennungsvorganges
US6389330B1 (en) 1997-12-18 2002-05-14 Reuter-Stokes, Inc. Combustion diagnostics method and system
RU2147711C1 (ru) * 1998-09-30 2000-04-20 Акционерное общество "ВНИИЭТО" Печь для слоевого сжигания твердых отходов
DE10050575C5 (de) * 2000-10-12 2009-10-29 Martin GmbH für Umwelt- und Energietechnik Verfahren zum Verbrennen von Abfallprodukten
DE10327471B3 (de) * 2003-06-18 2005-04-07 Sar Elektronic Gmbh Verfahren und Vorrichtung zum Regeln der Feuerleistung von Verbrennungsanlagen
DE102005009957B4 (de) * 2005-03-04 2007-02-01 Martin GmbH für Umwelt- und Energietechnik Verfahren zum Verbrennen von Brennstoffen, insbesondere Abfall
DE102005020328B4 (de) * 2005-04-30 2008-04-30 Rag Aktiengesellschaft Temperaturmessung in Verkokungsöfen mittels einer Wärmebildkamera und Steuerungsvorrichtung hierfür
DE102007033825B4 (de) 2007-07-18 2021-05-20 Nippon Steel & Sumikin Engineering Co., Ltd. Walzenrost mit Hydraulikantrieb und ein Verfahren zum Betreiben des Walzenrostes
WO2009150480A1 (fr) * 2008-06-10 2009-12-17 Babcock & Wilcox Voelund A/S Procédé de régulation d’une installation de combustion à l’aide d’une combinaison de coefficient de résistance et d’estimation du front de flamme
EP2385321A3 (fr) * 2010-04-22 2014-12-17 Artur Cebula Procédé de régulation du procédé de combustion dans des chaudières de chauffage central à combustion solide
AT512353A1 (de) * 2012-01-11 2013-07-15 Siemens Ag Oesterreich Verfahren zur regelung einer verbrennungs- und/oder vergasungseinrichtung
ES2604027T3 (es) 2013-03-25 2017-03-02 Hitachi Zosen Inova Ag Detector de radiación
FR3103027B1 (fr) * 2019-11-08 2021-11-26 Cnim Groupe Procédé de régulation d’une installation de combustion, ainsi qu’installation de combustion correspondante
DE102020000980A1 (de) * 2020-02-14 2021-08-19 Martin GmbH für Umwelt- und Energietechnik Verfahren zum Betreiben einer Feuerungsanlage
WO2025230782A1 (fr) * 2024-04-22 2025-11-06 Aprovecho Research Center Systèmes d'alimentation en air pour la combustion de combustibles de biomasse chargés par lots

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD30822A (fr) *
DE1000129B (de) * 1953-06-12 1957-01-03 Strebelwerk Ges Mit Beschraenk Feuerung mit selbsttaetiger Regelung der Brennstoffzufuhr durch einen Temperaturfuehler
GB1218733A (en) * 1966-10-21 1971-01-13 Associated British Comb Ltd Combustion chambers having remote viewing devices structurally combined therewith
US3824391A (en) * 1973-05-21 1974-07-16 Central Electr Generat Board Methods of and apparatus for flame monitoring
DE3024401A1 (de) * 1980-06-28 1982-01-28 Steag Ag, 4300 Essen Verfahren zur gesteuerten verbrennung von festen fossilen brennstoffen, insbesondere kohlestaub
FI79622C (fi) * 1986-01-27 1990-01-10 Nokia Oy Ab Foerfarande foer generering av i realtidsreglerparametrar med hjaelp av en videokamera foer roekgenererande foerbraenningsprocesser.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9009552A1 *

Also Published As

Publication number Publication date
DE3904272C3 (de) 1998-01-08
DD292068A5 (de) 1991-07-18
DE59009747D1 (de) 1995-11-09
DE3904272C2 (fr) 1992-04-23
EP0458822B2 (fr) 1999-03-17
EP0458822B1 (fr) 1995-10-04
DE3904272A1 (de) 1990-08-23
WO1990009552A1 (fr) 1990-08-23

Similar Documents

Publication Publication Date Title
EP0458822A1 (fr) Procede et dispositif pour mesurer le rayonnement emis en au moins deux points separes dans l'espace dans un processus de combustion et pour reguler ce dernier en fonction du rayonnement mesure.
DE3825931C2 (fr)
DE4344906C2 (de) Verfahren zum Regeln einzelner oder sämtlicher die Verbrennung auf einem Feuerungsrost beeinflussender Faktoren
EP0576955B1 (fr) Procédé et dispositif pour régler la combustion des comburants sur une grille d'un foyer
EP0696708B1 (fr) Méthode de régulation de la combustion pour installations de combustion, notammement d'installations d'incinérations de déchets
DE69000870T2 (de) Verfahren und vorrichtung zur abfallbeseitigung.
EP1698827B1 (fr) Procédé pour brûler des combustibles et plus particulièrement des déchets
DE4215997C2 (de) Verfahren zur Regelung der Müllmenge bzw. der Müllschicht auf Verbrennungsrosten
EP0897086A2 (fr) Procédé de détermination du rayonnement moyen d'un lit de combustion dans un système d'incinération et la commande du processus de la combustion
DE3131023A1 (de) Verfahren und vorrichtung zum brennen von kalk
EP0802372B1 (fr) Procédé et dispositif de commande d'un processus de combustion dans une chaudière
DE60309301T2 (de) Verfahren und vorrichtung zur regelung der primär- und sekundärlufteinspritzung einer müllverbrennungsanlage
DE1955186A1 (de) Verfahren zur Steuerung der Verteilung der Waerme eines Brenners sowie Vorrichtung zur Durchfuehrung eines solchen Verfahrens
DE10327471B3 (de) Verfahren und Vorrichtung zum Regeln der Feuerleistung von Verbrennungsanlagen
EP3964752B1 (fr) Procédé de fonctionnement d'une installation de combustion
EP0391146B1 (fr) Installation de combustion pour brûler un matériau de combustion, en particulier des ordures
EP2784392B1 (fr) Détecteur de flamme
DE2617803A1 (de) Verfahren zur messung von temperaturen an anlagen zur thermischen behandlung von koernigem und/oder stueckigem gut, insbesondere an anlagen zur zementherstellung und einrichtung zur durchfuehrung des verfahrens
DE2722195C2 (de) Einrichtung zur Regelung der Leistung eines Wasser zu Heißwasser oder Dampf aufheizenden Kessels
DE2938551C2 (de) Verfahren und Vorrichtung zum Trocknen, Brennen und Abkühlen von Formlingen aus Rohphosphat
DE102006022628B4 (de) Verfahren zum Betrieb einer Anordnung von Staubbrennern
DE3114722C2 (fr)
DE19502261A1 (de) Verfahren und Verbrennungsrost zum Verbrennen von festen Brennstoffen wie Müll, insbesondere zur Verbesserung des Ausbrandes
DE3900860A1 (de) Koksofen

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

17P Request for examination filed

Effective date: 19910810

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE IT NL

17Q First examination report despatched

Effective date: 19920529

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE IT NL

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

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19951004

ITF It: translation for a ep patent filed
REF Corresponds to:

Ref document number: 59009747

Country of ref document: DE

Date of ref document: 19951109

PLBQ Unpublished change to opponent data

Free format text: ORIGINAL CODE: EPIDOS OPPO

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PLBF Reply of patent proprietor to notice(s) of opposition

Free format text: ORIGINAL CODE: EPIDOS OBSO

26 Opposition filed

Opponent name: BFI AUTOMATION DIPL.-ING. KURT-HENRY MINDERMANN GM

Effective date: 19960629

NLR1 Nl: opposition has been filed with the epo

Opponent name: BFI AUTOMATION DIPL.-ING. KURT-HENRY MINDERMANN GM

PLBF Reply of patent proprietor to notice(s) of opposition

Free format text: ORIGINAL CODE: EPIDOS OBSO

PLBF Reply of patent proprietor to notice(s) of opposition

Free format text: ORIGINAL CODE: EPIDOS OBSO

PLBF Reply of patent proprietor to notice(s) of opposition

Free format text: ORIGINAL CODE: EPIDOS OBSO

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

Ref country code: NL

Payment date: 19980122

Year of fee payment: 9

PLAW Interlocutory decision in opposition

Free format text: ORIGINAL CODE: EPIDOS IDOP

PLAW Interlocutory decision in opposition

Free format text: ORIGINAL CODE: EPIDOS IDOP

PUAH Patent maintained in amended form

Free format text: ORIGINAL CODE: 0009272

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

Free format text: STATUS: PATENT MAINTAINED AS AMENDED

27A Patent maintained in amended form

Effective date: 19990317

AK Designated contracting states

Kind code of ref document: B2

Designated state(s): DE IT NL

NLR2 Nl: decision of opposition
NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050212

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

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

Ref country code: DE

Payment date: 20090216

Year of fee payment: 20

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: 20100212