EP3189273A1 - Bougie de préchauffage - Google Patents

Bougie de préchauffage

Info

Publication number
EP3189273A1
EP3189273A1 EP15759410.2A EP15759410A EP3189273A1 EP 3189273 A1 EP3189273 A1 EP 3189273A1 EP 15759410 A EP15759410 A EP 15759410A EP 3189273 A1 EP3189273 A1 EP 3189273A1
Authority
EP
European Patent Office
Prior art keywords
tubular body
glow plug
head
connector
center electrode
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
EP15759410.2A
Other languages
German (de)
English (en)
Other versions
EP3189273B1 (fr
Inventor
Eberhard Janzen
Gebro GABRIYEL
Albrecht Geissinger
Jean-Marc Couffignal
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3189273A1 publication Critical patent/EP3189273A1/fr
Application granted granted Critical
Publication of EP3189273B1 publication Critical patent/EP3189273B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
    • F23Q7/001—Glowing plugs for internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
    • F23Q7/001—Glowing plugs for internal-combustion engines
    • F23Q2007/004—Manufacturing or assembling methods

Definitions

  • the present invention relates to a glow plug with a heating pin, which is formed of a metal shell, which receives a ceramic heater and is welded to the front portion of a tubular body whose rear portion carries a connector for the electrical supply, wherein the electrical Connection with the mass via the metal shell and the tubular body takes place, wherein the supply takes place from the connector via a center electrode, which is accommodated isolated in the tubular body.
  • glow plugs which produces the connection between the supply of the ceramic immersion heater with the center electrode by screwing a threaded rod in a metal spring, which is formed from the emerging from the heating ceramic connecting wire.
  • This arrangement is held in position by means of an insulating powder contained in the metal shell which is inserted into the tubular body of the candle. The electrical contact and the hold in position result from the compression of the insulating powder around the screwed parts around.
  • the present invention aims to simplify the construction and manufacture of a glow plug by omitting the compacted insulating powder inside the glow plug in order to reduce the cost of materials and the manufacturing cost of the glow plug, by the manufacturing steps and the number of parts, the participate in the execution of the glow plug, be reduced.
  • front and left sides of the figures corresponding to the side of the heating cartridge of the glow plug and the rear side or right side of the side of the connecting piece of the glow plug corresponds.
  • the object of the invention lies in a glow plug of the type defined above, characterized in that the electrical connection between the rear bottom wall of the heating cartridge, which is provided with an input contact, and the front end of the center electrode contains:
  • an electrically conductive cylindrical head fixed to the front of the center electrode and having a support collar for support at the rear,
  • the tubular body having a countersink at its front end forming a support shoulder which receives an insulating centering and insulating washer, the collar being smaller in cross section than the counterbore to rest against the shoulder,
  • the connector rests with its front side at the input contact and with its rear side at the front end of the head, whose collar the insulating washer rests against the support.
  • the glow plug of the present invention has a particularly simple structure in which the use of an insulating powder around the connecting elements between the heating cartridge and the center electrode is avoided, whereby the production is simplified and a reliable, efficient and economical glow plug is obtained.
  • the connecting piece consists of graphite.
  • the head is an electrically conductive metal cylinder which is divided by the collar into a front portion and a rear portion.
  • the collar is frustoconical in cross-section.
  • this frusto-conical cross-section of the collar it is possible to distribute the forces well on a significant support surface, which consists of the support shoulder of the reduction of the cylinder body, so that all pressure forces that ensure the electrical conduction between the heating cartridge and the center electrode, limited to the area which lies between the rear of the heating cartridge and the head, without these forces acting on the center electrode and can deform in the tubular body and cause a short circuit to the mass to which the tubular body is connected.
  • Heating cartridge with respect to the base part of the shell of the heating pin made to spring back to form a chamber which at least partially receives the connector and partially the head, these two elements are surrounded by the insulating sleeve.
  • This chamber which is in the metal shell in her from the
  • the Formed base part existing thicker part, it makes it possible to form the cavity or at least the main part of the space in which the connection elements are received, which are compressed between the rear of the heating cartridge and the center electrode, ie the extension of the center electrode, which from the Head exists, which in turn is supported on the support shoulder of the reduction.
  • This makes it possible to reduce the depth of the reduction while not weakening the mechanical strength of the tubular body without requiring an increase in the material thickness of the tubular body.
  • the insulating washer has a passage which is appreciably smaller than the cross section of the rear portion of the head or of the center electrode.
  • the dimension of the through hole of the insulating washer makes it possible to ensure the accurate centering of the central electrode or its extension due to a slight stress on the elastic deformation of the rear portion of the head, which lies behind the collar and is received under normal conditions in the insulating ,
  • the insulating sleeve engages at least partially in the chamber of the metal shell, whereby a proper centering of the electrical connection elements between the rear of the heating cartridge and the front end of the center electrode, which consists of their attached head, is ensured.
  • the object of the invention is also a method for producing a glow plug, as defined above.
  • This manufacturing method is characterized in that
  • the tubular body is formed with a countersink, which forms a support shoulder at its front end,
  • the center electrode is used, to which the head has previously been fastened, by being inserted into the insulating disc, in order to bring its collar into abutment with the disc, and thus centering the center electrode in the tubular body,
  • the insulating sleeve is placed on the front section of the head
  • the connector is inserted into the insulating sleeve by allowing it to protrude naturally with its front, with its rear end against the front portion of the head,
  • the previously mounted on the insulating sleeve heating pin is used so that the front of the intermediate piece is at least substantially in contact with the rear side of the heating cartridge in its chamber, wherein the geometric parameters of the various Components are such that a clearance remains between the rear side of the base part of the heating pin and the front side of the tubular body,
  • the heating pin and the tubular body are axially compressed so as to approximate and at least substantially contact the opposite sides of the metal shell of the heating cartridge and the tubular body, in order to join them together by welding,
  • the welding of the base part and the tube-shaped body takes place with laser, in particular by a rotary movement about the axis of the candle around.
  • This laser welding process enables a particularly effective, dense and fast welding.
  • the assembly of the front side of the glow plug with the vertically oriented tubular body, with its front end facing upwards, and the subunit thus mounted is reversed so that the axis is vertical, but the rear end of the tubular body and that of the center electrode are turned up to mount the gasket, the insulating sleeve and the connector, in particular by being conveyed to the rear end of the center electrode.
  • the mounted subassembly corresponding to the front portion of the glow plug is reversed to then mount the rear portion of the glow plug, and in particular the components unite and assemble the connector, with a certain compressive force on the tubular body by crimping to the rear end, preferably knurled or roughened or provided with a thread of the rear end of the center electrode, which absorbs the forces.
  • the glow plug according to the invention as a whole is particularly simple, effective and economical both because of their structure and because of their manufacturing process.
  • FIG. 1 shows an overall view of a glow plug according to the invention
  • FIG. 2 shows in the two parts 2A and 2B the special construction of the front end and the rear end of the glow plug
  • FIG. 2A is a sectional view partly in exploded view of the front end of the glow plug cut in its axis xx;
  • FIG. 2B is a partially exploded and sectional view of the rear end of the glow plug cut in its axis xx;
  • FIG. 3 shows an axial sectional view of the front end of the glow plug according to FIG. 2A
  • FIG. 3A is an axial sectional view of the front end of the glow plug of the pressure-free joints before welding
  • the subject of the invention is a glow plug, which consists of a tubular body 1, at the front AV a Walkerung 2 and at the rear end 1 10 (AR) carries a connector 3, whereby it is possible, the glow plug with the particular Connecting fasteners (not shown) of each vehicle manufacturer.
  • the heating pin 2 is applied via its electrical connection with the metal shell 21 to the ground, wherein the tubular body 1 in turn is in contact with the mass of the electrical system of the vehicle; the supply via the connector 3, which is connected via a control device, not shown, with the electrical system, which controls the supply of the heating pin 2 via the center electrode 7 through the body 1 therethrough.
  • the front of the glow plug is composed of the heating pin 2, which is mounted with the tubular body 1 in the axis xx of the glow plug.
  • the heating pin 2 is composed of a cylindrical metal shell 21 which accommodates a ceramic heating cartridge 22 comprising a circuit 23 having a heating resistor 231, a ground contact 232 at its periphery and an input contact 233 in its bottom wall 24 or rear.
  • the rear face 24 of the heating cartridge 22 is recessed with respect to the rear end of the metal shell 21 and the base part 26 by forming a chamber 25.
  • connection of the contact 232 and the metal shell 21 by soldering, pressing, shrinking or by pressing and shrinking in combination.
  • This connection bears the reference numeral 201. It preferably relates to the entire peripheral surface of the heating cartridge 22 and the entire inner surface of the cylindrical portion of the metal shell 21st
  • the metal shell 21 with a cylindrical shape terminates on the rear side with a base part 26, which forms a sealing cone 27, which serves to support the glow plug on the cylinder head of the internal combustion engine, wherein the front end, which is formed from the heating pin 2, in the combustion chamber of Cylinder of the engine protrudes.
  • the circuit 23 is in contact with the metal shell 21 through the ground via its contact 232; its input contact 233 is connected to the connector 3 through the tubular body 1 due to the conductive assembly consisting of a connecting piece 4 which is partially received in an insulating sleeve 5 which also supports the front portion 61 of the head 6. which is attached to the center electrode 7 through the tubular body 1 therethrough.
  • the insulating sleeve 5 defines and insulates the conductive path in the base portion 26 of the metal shell 21: it covers the front portion 61 of the head 6 and receives the cylindrical connector 4 made of an electrically conductive cylindrical member made of graphite in electrical contact with the rear side 24 of the heating cartridge 22 passes.
  • the length L of the sleeve 5 is less than the sum of the length Ii of the connector 4 and the length 12 of the front portion 61 of the head 6, so that the connector 4 of the sleeve 5 and the front end 61 formed assembly from the front of the insulating sleeve 5 protrudes when this assembly is compressed during mounting and during operation of the glow plug.
  • the connector 4 is compressed at room temperature by staying with its front side 41 with the rear side 24 and with its rear side 42 with the front portion of the head 6 in contact to ensure the electrical conduction in hot conditions, despite the dimensional variations caused by different expansions of the sheath 21, the tubular body 1 and the center electrode 7 are generated under the effect of the temperature fluctuations of the glow plug and its surroundings in a cold engine or a hot engine.
  • the front end 101 of the tubular body 1 includes a counterbore 102, which forms a shoulder 103 and receives an insulating washer 104, which keeps the center electrode 7 isolated from the electrically conductive tubular body 1 and in support Head 6 receives over its collar 62, wherein the rear portion 63 engages generally in the insulating disk 104 to be centered therein and kept electrically isolated from the tubular body 1.
  • the opening 1041 of the insulating disk 104 is matched in their dimensions to that of the rear portion 63 of the head or the center electrode 7, ie slightly braced to keep the center electrode 7 directly or indirectly well in centered position, which clearly from the inner contour the tubular body 1 is spaced to avoid any short circuit.
  • the cone-truncated collar 62 which in cross section is significantly smaller than the counterbore 102, in order to avoid any risk of contact, is supported on the insulating disk 104 without damaging the wall of the counterbore 102. stir.
  • the base part 26 is welded to the front portion 101 of the tubular body 1 via a weld 203, whereby a cavity is formed with the chamber 25 and the counterbore 102, in which the subassembly composed of connector 4 and head 6 is housed, the front portion thereof 61 engages in the Isierierhülse 5, which partially receives the connector 4.
  • This subunit is compressed by the connecting piece 4, the front end 61 and the collar 62 of the head 6 between the rear side 24 and in particular the supply contact 233 of the ceramic heater 22 and the support shoulder 103 by means of the insulating 104 in the recess 102.
  • the pressing forces are exerted only on the head 6 to be transmitted to the support shoulder 103, whereas the center electrode 7 is not exposed to these forces and is not in danger of bending and touching the tubular body 1.
  • the input contact 233 of the ceramic cartridge 22 and the front end 61 of the head 6 have a surface treatment or coating.
  • the material (s) used reduce electrical resistance, increase resistance to wear, and prevent any oxidation that would increase power consumption.
  • the glow plug includes the connector 3 which is connected to the central electrode 7 for the electric supply of the glow plug.
  • the tubular body 1 which is externally provided with a thread 105 and with a tool holder 106 for screwing it into the cylinder head of the internal combustion engine, includes a rear counterbore 107, which has an insulating bushing 9 for centering and electrically isolating the rear end 72 the center electrode 7 with the interposition of a seal 8 receives, which closes the annular space between the electrode 7 and the interior of the tubular body 1 and ensures the tightness of the entire front portion of the candle.
  • the connector 3 fixed to the rear end 72 of the center electrode 7 is externally provided with a collar 31 and at the front with a sleeve 32 to receive the knurled rear end 72 of the center electrode 7 and the fuse in the assembled state by a To allow flanging 204 ( Figure 1).
  • the rear end 33 of the connector 3 receives the connector, which is unique to each vehicle manufacturer; Generally, this connector differs from one vehicle manufacturer to the next, however, all of these particular connectors (not shown) are adaptable to the end 33.
  • the assembly of the glow plug is carried out as shown in Figure 4 in their parts 4A, 4B.
  • the heating pin 2 is mounted in the metal shell 21 either by soldering or by inserting the heating cartridge 22.
  • the insertion takes place offline or inline in an automatic manner by pressing in, shrinking or by a combined process of pressing in and shrinking.
  • soldering In the case of soldering, this assembly is done off-line by soldering the sets of parts, which is done in an oven and at high temperatures that can not be targeted in the production line.
  • the mounting of the front portion of the glow plug is carried out from the machined tubular body 1 (El) by inserting the insulating washer 104 (E2), then inserting (E3) the center electrode 7 to which the head 6 has previously been welded the depression 102 above the insulating disk 104 and through this.
  • the head 6 and the center electrode 7 may preferably be joined by a laser welding with a rotary motion. Due to the very long length diversity of the center electrode 7, because of the length of the candles to be produced at the request of the manufacturer, this weld preferably takes place off-line.
  • the insulating washer 104 preferably has a cross section which corresponds to the cross section of the counterbore 102 for accurate positioning of the washer and then for accurate positioning of the center electrode 7 in a relatively accurate manner.
  • the insulating sleeve 5 is placed around the front end 61 of the head 6 (step E4), and then the intermediate piece 4 is inserted into the insulating sleeve 5 (E5).
  • the insulating sleeve 5 has an inner diameter which is adapted to that of the front portion 61 of the head 6 to ensure accurate centering.
  • the outer diameter of the connecting piece 4 made of graphite corresponds in a precise manner to the inner diameter of the iso lierhülse 5, to ensure a positioning with minimal play.
  • the projection of the front side 41 of the graphite connector 4 with respect to the front end of the insulating sleeve, which is preferably made of ceramic, represents an excess length, which for pressing the graphite connector 4 to the rear side 24 of the ceramic heating cartridge 22 and in particular to the supply contact 233 is necessary and indispensable.
  • the compressive force exerted on the base member 26 in the direction of the tubular body 1 by supporting the collar 62 of the head 6 against the washer 104 is a compressive force which is permanently maintained after assembly by welding the base member 26 to the front end 101 of the tubular body 1.
  • the connecting piece 4 made of graphite is thus definitely compressed.
  • the degree of compression varies depending on the forces caused by expansions / depressions of the assembled parts, which are exposed to the temperature fluctuations in operation, to which the glow plug is subject.
  • the compressive forces exerted on the connecting piece 4 and the head 6 are effected on the one hand on the rear side 24 of the heating cartridge 22 and on the other hand on the supporting shoulder 103 of the tubular body 1.
  • This definitive compression makes it possible to absorb the expansions and contractions caused by the temperature variations of the candle to ensure a permanent electrical connection regardless of the temperature variations of these parts.
  • step (E6) the arrangement made with the heating pin 2 is covered.
  • step E7 After this insertion remains a gap (i) between the front portion 1 1 1 of the tubular body 1 and the rear side 28 of the base part 26 of the heating pin 2 is made.
  • the assembly is compressed in the axis xx to approximate the surfaces, and the base member 26 is welded to the tubular body 1 (E7), so that the electrical contact between the heating cartridge 2 and the center electrode 7 after welding the assembly that compresses stays, takes place.
  • the connector 3 is mounted at the rear end 72 of the center electrode 7, the connector 3 is compressed toward the tubular body 1 by the force F (FIG. 2B), and the crimp 204 (step E10) of the connector 3 is made by compressing the sleeve 32 at Knurled end 72 ( Figure 1).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Resistance Heating (AREA)

Abstract

L'invention concerne une bougie de préchauffage contenant un crayon chauffant (2) muni d'une enveloppe métallique (21) et d'une cartouche chauffante en céramique (22) qui est soudée à la partie avant (101) d'un corps tubulaire (1) dont la partie arrière porte un connecteur (3) pour l'alimentation électrique. La connexion électrique entre la paroi de fond (24) de la cartouche chauffante (22), qui est munie d'un contact d'entrée (233) avec le circuit électrique de la cartouche, et l'extrémité avant (72) de l'électrode centrale contient un élément de connexion électroconducteur (4) et une tête cylindrique électroconductrice (6) qui est fixée au niveau de la partie avant de l'électrode centrale (7), ces deux éléments étant comprimés entre la cartouche chauffante et un épaulement d'appui (103) dans un logement (102) de l'extrémité avant du corps tubulaire (1).
EP15759410.2A 2014-09-01 2015-08-18 Bougie de préchauffage Active EP3189273B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1458171A FR3025153B1 (fr) 2014-09-01 2014-09-01 Bougie de prechauffage
PCT/EP2015/068906 WO2016034399A1 (fr) 2014-09-01 2015-08-18 Bougie de préchauffage

Publications (2)

Publication Number Publication Date
EP3189273A1 true EP3189273A1 (fr) 2017-07-12
EP3189273B1 EP3189273B1 (fr) 2018-08-15

Family

ID=52130367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15759410.2A Active EP3189273B1 (fr) 2014-09-01 2015-08-18 Bougie de préchauffage

Country Status (5)

Country Link
EP (1) EP3189273B1 (fr)
JP (1) JP6283768B2 (fr)
CN (1) CN106605100B (fr)
FR (1) FR3025153B1 (fr)
WO (1) WO2016034399A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109578188B (zh) * 2018-11-02 2021-04-02 湖北康利安动力科技有限公司 一种用于柴油机防爆系统的预热塞

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ300980B6 (cs) * 1999-08-27 2009-09-30 Robert Bosch Gmbh Svícka se žhavicím kolíkem
DE10020328A1 (de) * 1999-08-27 2001-03-01 Bosch Gmbh Robert Keramische Glühstiftkerze
CZ300971B6 (cs) * 1999-08-27 2009-09-30 Robert Bosch Gmbh Zažehovací kolíková svícka a zpusob výroby
DE10030924A1 (de) * 2000-06-24 2002-01-03 Bosch Gmbh Robert Glühstiftkerze
DE10339641A1 (de) * 2003-08-28 2005-03-24 Robert Bosch Gmbh Glühstiftkerze mit besonders eingebettetem Kontaktelement
JP2005180855A (ja) * 2003-12-22 2005-07-07 Bosch Automotive Systems Corp セラミックスヒータ型グロープラグ
JP4623645B2 (ja) * 2004-06-29 2011-02-02 日本特殊陶業株式会社 グロープラグ
DE102005029839A1 (de) * 2005-06-27 2007-01-04 Robert Bosch Gmbh Glühstiftkerze
DE102009045273A1 (de) * 2009-10-02 2011-04-07 Robert Bosch Gmbh Verfahren zum Herstellen einer Glühkerze
DE102010062438A1 (de) * 2010-12-06 2012-06-06 Robert Bosch Gmbh Glühkerze und Verfahren zu deren Herstellung
JP5720452B2 (ja) * 2011-07-12 2015-05-20 株式会社デンソー 発熱体通電制御装置

Also Published As

Publication number Publication date
JP6283768B2 (ja) 2018-02-21
CN106605100B (zh) 2019-08-30
CN106605100A (zh) 2017-04-26
JP2017525928A (ja) 2017-09-07
FR3025153A1 (fr) 2016-03-04
WO2016034399A1 (fr) 2016-03-10
FR3025153B1 (fr) 2016-12-09
EP3189273B1 (fr) 2018-08-15

Similar Documents

Publication Publication Date Title
DE60314489T2 (de) Glühkerze und Montagekonstruktion für Glühkerze
DE102009056057B4 (de) Glühkerze und Verfahren zu ihrer Herstellung
DE3926358C2 (de) Spritzgießdüse für eine Spritzgießeinrichtung und Verfahren zur Herstellung der Spritzgießdüse
DE10112781A1 (de) Glühkerze und Verfahren zum Herstellen derselben
DE3211262C2 (de) Glühkerze zur Verwendung in einem Dieselmotor und Verfahren zu ihrer Herstellung
DE3340359A1 (de) Verfahren zur herstellung eines keramischen heizkoerpers und keramische gluehkerze
DE102004055218A1 (de) Glühkerze und Verfahren zu ihrer Herstellung
DE102004061872A1 (de) Glühkerze für einen Dieselmotor
EP1125475B1 (fr) Bougie-crayon de prechauffage ceramique
EP1046013A1 (fr) Bougie-crayon de prechauffage en ceramique
EP1050716B1 (fr) Bougie à incandescence et son procédé de production
EP3189273B1 (fr) Bougie de préchauffage
EP3204693A1 (fr) Corps de chauffe pour bougie de préchauffage pouvant être allumée électriquement, comprenant une charge de chauffe comprimée axialement, et procédé de fabrication correspondant
DE3035542A1 (de) Gluehstiftkerze fuer brennkraftmaschinen
DE10154641A1 (de) Elektronisch beheizbare Glühkerze und Verfahren zur Herstellung einer elektrisch beheizbaren Glühkerze
DD147391A5 (de) Elektrische gluehkerze fuer verbrennungsmotoren
DE602004012002T2 (de) Herstellungsverfahren eines metallischen Gehäuses für eine Zündkerze, Herstellungsverfahren einer Zündkerze mit einem metallischen Gehäuse und Zündkerze hiermit hergestellt
DE102020119424A1 (de) Verfahren zum Herstellen einer Zündkerze
DE3311487C2 (fr)
WO2007125008A1 (fr) Bobine d'allumage, en particulier pour un moteur à combustion interne d'un véhicule automobile
WO2016116385A1 (fr) Bougie-crayon de préchauffage
DE2444454A1 (de) Zuendkerze, insbesondere fuer verbrennungsmotoren
EP2101542B1 (fr) Agencement de connexion pour un élément de chauffage électrique tubulaire
DD235140A1 (de) Zuendkerze
EP3234467A1 (fr) Élément électrique chauffant et mise en contact présentant une durabilité améliorée

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: 20170403

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20180418

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

Ref country code: AT

Ref legal event code: REF

Ref document number: 1030227

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180815

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502015005488

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 4

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20180815

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

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

Ref country code: LT

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: 20180815

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: 20180815

Ref country code: SE

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: 20180815

Ref country code: BG

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: 20181115

Ref country code: RS

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: 20180815

Ref country code: GR

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: 20181116

Ref country code: NO

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: 20181115

Ref country code: IS

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: 20181215

Ref country code: FI

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: 20180815

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

Ref country code: LV

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: 20180815

Ref country code: AL

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: 20180815

Ref country code: HR

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: 20180815

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

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

Ref country code: EE

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: 20180815

Ref country code: CH

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

Effective date: 20180831

Ref country code: LU

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

Effective date: 20180818

Ref country code: IT

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: 20180815

Ref country code: RO

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: 20180815

Ref country code: PL

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: 20180815

Ref country code: CZ

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: 20180815

Ref country code: LI

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

Effective date: 20180831

Ref country code: ES

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: 20180815

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20180831

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502015005488

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

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

Ref country code: DK

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: 20180815

Ref country code: SM

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: 20180815

Ref country code: SK

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: 20180815

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

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

Ref country code: MC

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: 20180815

26N No opposition filed

Effective date: 20190516

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

Ref country code: IE

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

Effective date: 20180818

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: 20180831

Ref country code: SI

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: 20180815

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

Ref country code: MT

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: 20180815

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

Ref country code: TR

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: 20180815

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

Effective date: 20190818

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

Ref country code: PT

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: 20180815

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

Ref country code: HU

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

Effective date: 20150818

Ref country code: CY

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: 20180815

Ref country code: MK

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

Effective date: 20180815

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: 20190818

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1030227

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200818

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

Ref country code: AT

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

Effective date: 20200818

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

Ref country code: FR

Payment date: 20230821

Year of fee payment: 9

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

Ref country code: DE

Payment date: 20231025

Year of fee payment: 9