EP0719938B1 - Moteur piézo-électrique à ondes progressives pour motopompes à manchon d'entrefer et accouplement magnétique - Google Patents

Moteur piézo-électrique à ondes progressives pour motopompes à manchon d'entrefer et accouplement magnétique Download PDF

Info

Publication number
EP0719938B1
EP0719938B1 EP95119281A EP95119281A EP0719938B1 EP 0719938 B1 EP0719938 B1 EP 0719938B1 EP 95119281 A EP95119281 A EP 95119281A EP 95119281 A EP95119281 A EP 95119281A EP 0719938 B1 EP0719938 B1 EP 0719938B1
Authority
EP
European Patent Office
Prior art keywords
rotor
pump drive
drive according
magnetic
partition
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
EP95119281A
Other languages
German (de)
English (en)
Other versions
EP0719938A1 (fr
Inventor
Hans-Jürgen Kech
Wolfram Gerber
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.)
Wilo GmbH
Original Assignee
Wilo 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
Application filed by Wilo GmbH filed Critical Wilo GmbH
Publication of EP0719938A1 publication Critical patent/EP0719938A1/fr
Application granted granted Critical
Publication of EP0719938B1 publication Critical patent/EP0719938B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/027—Details of the magnetic circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0666—Units comprising pumps and their driving means the pump being electrically driven the motor being of the plane gap type

Definitions

  • the invention relates to a magnetic pump drive with an outer rotor driven by a motor, the drives an inner rotor via a magnetic coupling, with a gap between the outer and inner rotor exists, in which a partition lies, which the Media-carrying side from the dry side of the Motors separates.
  • Such magnetic pump drives are sufficient known and are especially for centrifugal pumps used. A can separates them Media-carrying side from the drive side of the Pump.
  • EP 0 279 220 includes a centrifugal pump Magnetic coupling between the magnets arranged and sealing against the medium to be conveyed Can of two nested canisters consists.
  • the motors used today to drive pumps are mainly based on the electromagnetic Principle.
  • Electric motors are known to have the big disadvantage that complicated to manufacture and relatively large stator and rotor windings are necessary, to generate high torques and develop conditionally high electrical and magnetic losses Operating temperatures. Due to the large dimensions of a such an electric motor, based on the conventional one electromagnetic principle, fall today Centrifugal pump drives are relatively large.
  • Piezo traveling wave motors Drives with smaller dimensions based on a Piezo traveling wave motors are e.g. from US 5,099,166 known.
  • This document discloses one Piezo traveling wave motor consisting of a vibrating Element for generating a traveling wave and a with the vibrating element in contact with the element which is driven by the traveling wave.
  • the object of the invention is therefore a novel To provide drive system for centrifugal pumps, which is a compact design and high Functional reliability with small dimensions guaranteed.
  • the object is achieved in that the outer rotor of a piezo traveling wave motor is driven, the outer rotor of the pump with one attached to this contact layer close to one Vibration stator of the traveling wave motor is present.
  • the outer rotor can also generate speeds via a gearbox is connected to the piezo traveling wave motor be.
  • the piezo elements of the Piezo traveling wave motor on the inside of a den outer rotor comprising part are attached. It is also structurally advantageous if the Piezo elements are attached to a disc, the Washer on the side of the medium carrying the medium Partition separating the dry side of the motor rests against rotation.
  • the piezo elements can also be arranged directly on the pump housing. This leads to a particularly small design of the pump drive under Use fewer components.
  • the partition should advantageously between the Pump housing and the support carrying the piezo elements lie sealingly, the partition in particular is a flat part.
  • the partition can also be double-walled, so that between the walls the dividing wall is arranged a display medium that with is in contact with an external indicator, which means that any Damage to the partition can be detected early.
  • a structurally simple design of the pump drive arises when on the formed as a flat part Partition attached a bearing bearing part or is integrally formed, wherein the bearing rotates the pump impeller holds.
  • the arranged on the side carrying the medium Magnets of the magnetic coupling are advantageous the side of the pump impeller facing the partition attached. This eliminates the current one Centrifugal pumps necessary rotors carrying the magnets, which is not just a weight reduction, but also results in a higher functional reliability of the pump.
  • the magnets on the drive side are then due to the construction on the partition facing Side of the rotor advantageously designed as a disc attached.
  • FIG Housing 1 A centrifugal pump is shown in FIG Housing 1 a pump impeller 2 on a shaft 3, the shaft 3 is at one end by means of designed as a roller bearing 13 on the inside supports the containment shell.
  • the one on wave 3 arranged inner rotor 4 carries on its cylindrical Surface magnets 5, which with the on the outer rotor 6th arranged magnets 7 form a magnetic coupling.
  • the containment can 10 separates the side 22 carrying the medium the pump from the dry side 21, in which the Piezo traveling wave drive is located.
  • the housing 1 of the pump has a cover 14 closed, the cover 14 by means of screws 15 on Housing is attached. Between the lid 14 and the Housing 1 and the containment shell 10 is a sealing part 17th on.
  • the containment can 10 can be double-walled, so that between the two walls of the can 10 Display medium 16 is, which with a not shown, located on the outside of the pump housing 1.14 Indicator is connected. In the can 10 located display medium 16 and the indicator Damage to the containment shell 10 indicated early.
  • the outer rotor 6 becomes nuts 19 and disc springs 20 with its contact surface against that as a disc trained vibration stator 9 pressed, the Vibration stator 9 with its other side to the Piezo elements 8 is applied, and the piezo elements 8 are applied the inside of the housing cover 14 are attached.
  • FIG. 2 shows a further embodiment of a centrifugal pump with a piezo traveling shaft drive.
  • the outer rotor 6 is now ring-shaped, with the housing cover 1 pressurizing the rotor 6 in the direction of the vibrating stator 9 and piezo elements 8.
  • Between the housing cover 14 and the rotor 6 is a slide bearing, consisting of a rubber washer 11 and a plate spring 11a.
  • the piezo elements 8 are arranged on a disk 23, which rests against rotation between the housing cover 1 and the separating body 10 designed as a containment shell, and deform in the axial direction due to the voltage applied to them and generate the required traveling wave in the oscillating stator 9.
  • FIG. 3 shows a further embodiment of a centrifugal pump with a piezo traveling shaft drive, the piezo elements 8 being arranged on a disk 23 which is fastened in the housing cover 14 by means of screws 24 and the disk 23 by means of a tensioning screw 18 and the associated nuts 19 with their Piezo elements 8 and the vibration stator 9 is pressed firmly against the rotor 6 in the axial direction.
  • the can 10 is designed such that it is a has an annular recess in which the rotor 6 with engages his magnet 7 and another centric, open to the medium side 22 Recess in which the shaft 3 carrying the impeller 2 is stored on the bearing 13.
  • the one with the magnets 7 corresponding magnets 5 are directly on the Can 10 facing side of impeller 2 attached.
  • FIG. 4 shows a centrifugal pump with a Piezo traveling wave drive, in which the with the Vibration stator 9 corresponding adhesive layer of the rotor 6 and the magnets 7 of the magnetic coupling 5.7 on the pump-facing side of the rotor 6 are attached.
  • the Housing cover 14 presses over a slide bearing, in particular consisting of a rubber washer 11 and a plate spring lla, the rotor 6 by means of the screws 15 against the Vibration stator 9.
  • the piezo elements 8 are on one Washer 23 arranged between the housing 1 and the vibrating stator 9.
  • the partition demonstrates 3 shows only one recess which holds the bearing 13, in which the rotatably connected to the pump impeller 2 Shaft 3 is mounted.
  • FIG. 5 shows a centrifugal pump in which the separating body 10 a flat disc, in particular a double-walled one Washer is on the side on the conveying medium a sleeve 12 is molded or attached to her Inside a bearing 13, in particular a roller bearing in which the shaft 3 carrying the pump impeller 2 rotatable.
  • FIG. 6 a centrifugal pump is shown in which the Housing cover 14 is a flat disc, which by means of Screws 15 over the slide bearing 11, 11a against the rotor 6 presses the vibration stator 9 and the piezo elements 8, being between the piezo elements 8 and the housing 1 the separating body 10 lies sealingly and on the Separating body 10 is a body 3 is formed, the is particularly cylindrical and on its outer surface has a bearing 13 on which the pump impeller 2 is rotatable is stored.
  • Figure 7 shows a centrifugal pump with a Piezo traveling wave drive, in which the piezo elements 8 on a cylindrical inner surface of the housing cover 14 lie in, the piezo elements 8 in radial Extend the direction by applying an external voltage or contract, and thereby the vibration stator 9 in Give resonance.
  • the rotor 6 is a, wherein the rotor 6 with its cylindrical surface located adhesive layer in the vibration stator 9.
  • Figures 8 and 9 show a centrifugal pump of a piezo traveling wave motor, in which the Magnetic coupling 5,7 in the axial direction by a Separating body 10 acts.
  • the magnets 5 are on the Separating body 10 facing side of the impeller 2 attached.
  • the magnets 7 are on the pump impeller 2 facing side of the disc or ring-shaped rotor 6 arranged.
  • the rotor 6 lies entirely or in sections with its cylindrical surface on the as a sleeve trained vibration stator 9 with its contact layer on.
  • the piezo elements 8 lie in a ring in the Housing cover 14 or the pump housing 1.
  • the Surface of the rotor 6 and the sleeve-shaped Vibration stators 9 are curved, in particular concave or executed convex, which makes the rotor 6 in axial Direction is held by the vibrating stator 9. It can either the surface of the rotor 6 or the Surface shape of the vibration stator 9 at least partially be concave or convex.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Claims (18)

  1. Entraínement magnétique de pompe, avec un carter de pompe, avec un rotor extérieur (6) entraíné par un moteur et qui entraíne un rotor intérieur (3, 4) par l'intermédiaire d'aimants (5, 7), une fente existant entre les rotors extérieur et intérieur, dans laquelle est logée une paroi de séparation (10) qui sépare le côté liquide refoulé du côté sec du moteur,
    caractérisé en ce que le rotor extérieur (6) est entraíné par un moteur piézo-électrique à ondes progressives, le rotor extérieur (6) étant en appui, par une couche de contact rapportée dessus, sur un stator oscillant (9) du moteur à ondes progressives.
  2. Entraínement magnétique de pompe selon la revendication 1,
    caractérisé en ce que les piézo-éléments (8) du moteur piézo-électrique à ondes progressives sont fixés à la face intérieure d'une pièce (14) entourant le rotor extérieur (6).
  3. Entraínement magnétique de pompe selon la revendication 1 ou 2,
    caractérisé en ce que les piézo-éléments (8) sont fixés à une face d'une plaque (23) et que l'autre face de la plaque (23) est en appui fixe en torsion sur la paroi de séparation (10).
  4. Entraínement magnétique de pompe selon l'une des revendications précédentes,
    caractérisé en ce que les piézo-éléments (8) sont fixés sur le carter de pompe (1).
  5. Entraínement magnétique de pompe selon l'une des revendications précédentes,
    caractérisé en ce que la paroi de séparation (10) entre le carter de pompe (1) et le support (14, 23) portant les piézo-éléments (8) est monté de manière rendant étanche.
  6. Entraínement magnétique de pompe selon l'une des revendications précédentes,
    caractérisé en ce que la paroi de séparation (10) est une pièce plane.
  7. Entraínement magnétique de pompe selon la revendication 6,
    caractérisé en ce que la paroi de séparation (10) est à double paroi.
  8. Entraínement magnétique de pompe selon les revendications 6 et 7,
    caractérisé en ce que, entre les parois de la paroi de séparation (10), se trouve un agent indicateur (16) qui se trouve en contact avec un indicateur extérieur.
  9. Entraínement magnétique de pompe selon l'une des revendications 7 et 8, l'entraínement de pompe étant fixé à une pompe qui présente un rotor de pompe,
    caractérisé en ce qu'une pièce (12) portant un palier (13) est fixée sur, ou conformée avec, la paroi de séparation (10) et que le palier (13) maintient à pivotement un rotor de pompe (2).
  10. Entraínement magnétique de pompe selon l'une des revendications précédentes,
    caractérisé en ce que les aimants (5, 7) de l'accouplement magnétique sont opposés l'un à l'autre en direction axiale.
  11. Entraínement magnétique de pompe selon l'une des revendications précédentes, l'entraínement de pompe étant fixé à une pompe qui présente un rotor de pompe,
    caractérisé en ce que les aimants (5) de l'accouplement magnétique sont fixés à la face du rotor de pompe (2) dirigée vers la paroi de séparation (10).
  12. Entraínement magnétique de pompe selon l'une des revendications précédentes,
    caractérisé en ce que les aimants (7) sont fixés sur la face du rotor (6), constitué sous forme de disque, tournée vers la paroi de séparation (10).
  13. Entraínement magnétique de pompe selon l'une des revendications précédentes,
    caractérisé en ce qu'un palier lisse ou un roulement (11, 11a) est logé entre le rotor (6) et une pièce 24.
  14. Entraínement magnétique de pompe selon l'une des revendications précédentes,
    caractérisé en ce qu'une rondelle-ressort (11) et/ou un disque en caoutchouc (11a) sont logés entre le rotor (6) et la pièce (24).
  15. Entraínement magnétique de pompe selon la revendication 13 ou 14,
    caractérisé en ce que l'écrou tendeur (18), qui est en prise à travers un alésage axial du rotor extérieur (6), comprime le rotor (6), par sa face écartée du rotor de pompe (2), sur le stator oscillant (9) du moteur piézo-électrique à ondes progressives.
  16. Entraínement magnétique de pompe selon la revendication 13 ou 14,
    caractérisé en ce que le rotor (6) est comprimé en direction des piézo-éléments (8) par une pièce (24) fermant le carter de pompe (1).
  17. Entraínement magnétique de pompe selon l'une des revendications précédentes,
    caractérisé en ce que le rotor (6) est logé à coopération de forme en direction axiale au moyen du stator oscillant (9).
  18. Entraínement magnétique de pompe selon la revendication 17,
    caractérisé en ce que la surface d'enveloppe du rotor (6) est réalisée au moins partiellement concave ou convexe et la surface intérieure du stator oscillant (9) est réalisée convexe dans le cas d'une surface d'enveloppe du rotor (6) réalisée concave et concave dans le cas d'une surface d'enveloppe du rotor (6) formée convexe.
EP95119281A 1994-12-28 1995-12-07 Moteur piézo-électrique à ondes progressives pour motopompes à manchon d'entrefer et accouplement magnétique Expired - Lifetime EP0719938B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4446915A DE4446915A1 (de) 1994-12-28 1994-12-28 Magnetischer Pumpenantrieb
DE4446915 1994-12-28

Publications (2)

Publication Number Publication Date
EP0719938A1 EP0719938A1 (fr) 1996-07-03
EP0719938B1 true EP0719938B1 (fr) 1999-06-02

Family

ID=6537328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95119281A Expired - Lifetime EP0719938B1 (fr) 1994-12-28 1995-12-07 Moteur piézo-électrique à ondes progressives pour motopompes à manchon d'entrefer et accouplement magnétique

Country Status (2)

Country Link
EP (1) EP0719938B1 (fr)
DE (2) DE4446915A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19627145C2 (de) * 1996-07-05 2003-05-28 Andreas Hilker Kupplung
US6034465A (en) * 1997-08-06 2000-03-07 Shurfle Pump Manufacturing Co. Pump driven by brushless motor
US6132186A (en) * 1997-08-06 2000-10-17 Shurflo Pump Manufacturing Co. Impeller pump driven by a dynamo electric machine having a stator comprised of a mass of metal particles
CN1258607A (zh) * 2000-01-21 2000-07-05 陈缨 由永磁联轴节传动的不泄漏汽车水泵
DE10012663B4 (de) * 2000-03-15 2012-08-02 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Merbelsrod Kühlmittelpumpe mit elektronisch kommutiertem Eletromotor
DE10012662B4 (de) * 2000-03-15 2010-11-04 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Merbelsrod Kühlmittelpumpe mit elektrisch kommutiertem Elektromotor
US20140246960A1 (en) * 2013-03-04 2014-09-04 Stephen Smith Energy transfer system and method
DE102014224151A1 (de) * 2014-11-26 2016-06-02 Mahle International Gmbh Vorrichtung zur berührungslosen Übertragung von Drehbewegungen
DE102015223338A1 (de) * 2015-11-25 2017-06-01 Mahle International Gmbh Magnetische Kupplung, insbesondere für eine Abwärmenutzungseinrichtung
CN110080992A (zh) * 2019-04-24 2019-08-02 南京航空航天大学 一种贴片式行波压电离心泵及其驱动方法
CN110425149A (zh) * 2019-07-29 2019-11-08 南京航空航天大学 一种两级夹心式行波压电离心泵及其驱动方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928352U (de) * 1965-09-20 1965-12-02 Heinrich Gerster Pumpenaggregat.
DE2307226A1 (de) * 1973-02-14 1974-08-22 Siemens Ag Pumpe fuer chemisch aggressive fluessigkeit
JPS60210173A (ja) * 1984-04-02 1985-10-22 Canon Inc 振動波モ−タ
JPS60210172A (ja) * 1984-04-02 1985-10-22 Canon Inc 振動波モ−タ
DE3527687A1 (de) * 1985-08-01 1987-02-12 Siemens Ag Magnetkupplung mit integrierter magnetischer lagerentlastung
DE3639720C1 (de) * 1986-11-20 1993-04-29 Reinecker Heyko Pumpe mit Spaltrohrmotor- oder Spaltrohrmagnetkupplungsantrieb
US5099166A (en) * 1987-01-12 1992-03-24 Canon Kabushiki Kaisha Vibration wave driven motor
DE8717855U1 (de) * 1987-02-14 1990-09-27 Richter Chemie Technik GmbH, 47906 Kempen Leckanzeigevorrichtung für eine Magnetkreiselpumpe
JPH01268463A (ja) * 1988-04-18 1989-10-26 Fuji Photo Film Co Ltd 超音波モータ
JPH02214478A (ja) * 1989-02-15 1990-08-27 Aisin Seiki Co Ltd 超音波モータ
JPH0560076A (ja) * 1991-08-28 1993-03-09 Koji Toda 超音波流体移送ポンプ
US5269664A (en) * 1992-09-16 1993-12-14 Ingersoll-Dresser Pump Company Magnetically coupled centrifugal pump

Also Published As

Publication number Publication date
EP0719938A1 (fr) 1996-07-03
DE59506097D1 (de) 1999-07-08
DE4446915A1 (de) 1996-07-04

Similar Documents

Publication Publication Date Title
EP2056432B1 (fr) Embrayage magnétique
EP0719938B1 (fr) Moteur piézo-électrique à ondes progressives pour motopompes à manchon d'entrefer et accouplement magnétique
DE69023317T2 (de) Magnetisch angetriebene Pumpe.
EP1725775A1 (fr) Ensemble comprenant un moteur a induit exterieur a commutation electronique
EP1256722B1 (fr) Pompe centrifugale
DE69333691T2 (de) Vibrationsgetriebener Antrieb
DE102016206405A1 (de) Pumpenmotor mit einem Festlager
EP1488121A1 (fr) Dispositif de couplage d'un ensemble carter d'un equipement de couplage avec un ensemble rotor d'une machine electrique
EP0514565A1 (fr) Commande de déplacement avec deux membres associés à friction
EP1158175B1 (fr) Moteur à manchon d'entrefer en feuille
EP0474004B1 (fr) Moteur synchrone comportant un dispositif de démarrage
WO2020074318A1 (fr) Pompe conçue en particulier pour un circuit de liquide dans un véhicule
EP0719939B1 (fr) Moteur piézoélectrique à ondes progressives pour pompe à tube d'entrefer
DE102009038767B4 (de) Reibschaltkupplung zur Betätigung mit einem strömungsfähigen Druckmittel
EP1230486B1 (fr) Pompe pour milieu liquide ou gazeux
DE4424257C2 (de) Zentrifugalpumpe hoher Leistung mit Einphasensynchronmotorantrieb
DE19701993A1 (de) Pumpe, insbesondere Kühlmittelpumpe, für Kraftfahrzeuge
EP0918932A1 (fr) Groupe motopompe electrique
EP1797330A1 (fr) Dispositif de transport de fluides
EP0487785A1 (fr) Entrainement pour rotor de pompe
DE19733147C1 (de) Motor-Pumpen-Aggregat, insbesondere für eine Kraftfahrzeug-Antiblockiblockier-Bremsvorrichtung
EP0779699B1 (fr) Accouplement magnétique pour une pompe centrifuge
DE102016224898A1 (de) Pumpeneinrichtung für ein Automatikgetriebe
DE102004003400B4 (de) Kreiselpumpenaggregat
DE3545788A1 (de) Antrieb, bestehend aus motor und wellgetriebe

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: 19960323

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH DE FR GB IT LI

17Q First examination report despatched

Effective date: 19970630

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE FR GB IT LI

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: SCHMAUDER & PARTNER AG PATENTANWALTSBUERO

Ref country code: CH

Ref legal event code: EP

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

Effective date: 19990603

REF Corresponds to:

Ref document number: 59506097

Country of ref document: DE

Date of ref document: 19990708

ITF It: translation for a ep patent filed

Owner name: SOCIETA' ITALIANA BREVETTI S.P.A.

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: CH

Payment date: 20011205

Year of fee payment: 7

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

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

Ref country code: LI

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

Effective date: 20021231

Ref country code: CH

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

Effective date: 20021231

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

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

Ref country code: GB

Payment date: 20031210

Year of fee payment: 9

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: 20041207

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20041207

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: 20051207

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

Ref country code: FR

Payment date: 20081212

Year of fee payment: 14

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

Ref country code: DE

Payment date: 20081205

Year of fee payment: 14

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20100831

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

Ref country code: FR

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

Effective date: 20091231

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 NON-PAYMENT OF DUE FEES

Effective date: 20100701