EP2083147A4 - Film cooling structure - Google Patents

Film cooling structure

Info

Publication number
EP2083147A4
EP2083147A4 EP20070738382 EP07738382A EP2083147A4 EP 2083147 A4 EP2083147 A4 EP 2083147A4 EP 20070738382 EP20070738382 EP 20070738382 EP 07738382 A EP07738382 A EP 07738382A EP 2083147 A4 EP2083147 A4 EP 2083147A4
Authority
EP
European Patent Office
Prior art keywords
cooling structure
film cooling
film
cooling
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
EP20070738382
Other languages
German (de)
French (fr)
Other versions
EP2083147A1 (en
EP2083147B1 (en
Inventor
Yoji Ohkita
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.)
IHI Corp
Original Assignee
IHI Corp
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 IHI Corp filed Critical IHI Corp
Publication of EP2083147A1 publication Critical patent/EP2083147A1/en
Publication of EP2083147A4 publication Critical patent/EP2083147A4/en
Application granted granted Critical
Publication of EP2083147B1 publication Critical patent/EP2083147B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/14Form or construction
    • F01D5/18Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/186Film cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00Geometry
    • F05D2250/50Inlet or outlet
    • F05D2250/52Outlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/20Heat transfer, e.g. cooling
    • F05D2260/202Heat transfer, e.g. cooling by film cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Gas Burners (AREA)
EP07738382.6A 2006-11-13 2007-03-13 Film cooling structure Active EP2083147B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006306538A JP4941891B2 (en) 2006-11-13 2006-11-13 Film cooling structure
PCT/JP2007/054910 WO2008059620A1 (en) 2006-11-13 2007-03-13 Film cooling structure

Publications (3)

Publication Number Publication Date
EP2083147A1 EP2083147A1 (en) 2009-07-29
EP2083147A4 true EP2083147A4 (en) 2014-05-14
EP2083147B1 EP2083147B1 (en) 2015-10-07

Family

ID=39401434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07738382.6A Active EP2083147B1 (en) 2006-11-13 2007-03-13 Film cooling structure

Country Status (5)

Country Link
US (1) US20100040459A1 (en)
EP (1) EP2083147B1 (en)
JP (1) JP4941891B2 (en)
CA (1) CA2668750C (en)
WO (1) WO2008059620A1 (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8371814B2 (en) * 2009-06-24 2013-02-12 Honeywell International Inc. Turbine engine components
US8529193B2 (en) * 2009-11-25 2013-09-10 Honeywell International Inc. Gas turbine engine components with improved film cooling
US8628293B2 (en) 2010-06-17 2014-01-14 Honeywell International Inc. Gas turbine engine components with cooling hole trenches
US8672613B2 (en) * 2010-08-31 2014-03-18 General Electric Company Components with conformal curved film holes and methods of manufacture
US8858175B2 (en) * 2011-11-09 2014-10-14 General Electric Company Film hole trench
JP5982807B2 (en) * 2011-12-15 2016-08-31 株式会社Ihi Turbine blade
US9273560B2 (en) * 2012-02-15 2016-03-01 United Technologies Corporation Gas turbine engine component with multi-lobed cooling hole
US8850828B2 (en) 2012-02-15 2014-10-07 United Technologies Corporation Cooling hole with curved metering section
US9422815B2 (en) * 2012-02-15 2016-08-23 United Technologies Corporation Gas turbine engine component with compound cusp cooling configuration
US8763402B2 (en) * 2012-02-15 2014-07-01 United Technologies Corporation Multi-lobed cooling hole and method of manufacture
US8689568B2 (en) * 2012-02-15 2014-04-08 United Technologies Corporation Cooling hole with thermo-mechanical fatigue resistance
US8683814B2 (en) 2012-02-15 2014-04-01 United Technologies Corporation Gas turbine engine component with impingement and lobed cooling hole
US20130209235A1 (en) * 2012-02-15 2013-08-15 United Technologies Corporation Gas turbine engine component with cusped, lobed cooling hole
US10422230B2 (en) 2012-02-15 2019-09-24 United Technologies Corporation Cooling hole with curved metering section
US8683813B2 (en) * 2012-02-15 2014-04-01 United Technologies Corporation Multi-lobed cooling hole and method of manufacture
US9284844B2 (en) * 2012-02-15 2016-03-15 United Technologies Corporation Gas turbine engine component with cusped cooling hole
US9024226B2 (en) * 2012-02-15 2015-05-05 United Technologies Corporation EDM method for multi-lobed cooling hole
US8584470B2 (en) * 2012-02-15 2013-11-19 United Technologies Corporation Tri-lobed cooling hole and method of manufacture
US9650900B2 (en) 2012-05-07 2017-05-16 Honeywell International Inc. Gas turbine engine components with film cooling holes having cylindrical to multi-lobe configurations
WO2013188645A2 (en) * 2012-06-13 2013-12-19 General Electric Company Gas turbine engine wall
US10113433B2 (en) * 2012-10-04 2018-10-30 Honeywell International Inc. Gas turbine engine components with lateral and forward sweep film cooling holes
JP6348965B2 (en) * 2013-03-15 2018-06-27 ユナイテッド テクノロジーズ コーポレイションUnited Technologies Corporation Additive manufacturing method for adding structures in cooling holes
EP2886798B1 (en) * 2013-12-20 2018-10-24 Rolls-Royce Corporation mechanically machined film cooling holes
DE112015001620T5 (en) 2014-04-03 2017-02-09 Mitsubishi Hitachi Power Systems, Ltd. Shovel or wing row and gas turbine
US11313235B2 (en) 2015-03-17 2022-04-26 General Electric Company Engine component with film hole
US10208602B2 (en) * 2015-04-27 2019-02-19 United Technologies Corporation Asymmetric diffuser opening for film cooling holes
US11021965B2 (en) * 2016-05-19 2021-06-01 Honeywell International Inc. Engine components with cooling holes having tailored metering and diffuser portions
US10605092B2 (en) * 2016-07-11 2020-03-31 United Technologies Corporation Cooling hole with shaped meter
KR101853550B1 (en) * 2016-08-22 2018-04-30 두산중공업 주식회사 Gas Turbine Blade
WO2018045327A1 (en) * 2016-09-01 2018-03-08 Additive Rocket Corporation Structural heat exchanger
EP3354849A1 (en) * 2017-01-31 2018-08-01 Siemens Aktiengesellschaft Wall of a hot gas part and corresponding hot gas part for a gas turbine
JP7295844B2 (en) 2017-08-11 2023-06-21 アルフローマ アイピー ゲゼルシャフト ミット ベシュレンクテル ハフツング Leuindigo salt solution with very low aniline content and method for its preparation
US10933481B2 (en) * 2018-01-05 2021-03-02 General Electric Company Method of forming cooling passage for turbine component with cap element
US11286792B2 (en) * 2019-07-30 2022-03-29 Rolls-Royce Plc Ceramic matrix composite vane with cooling holes and methods of making the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1089005A (en) * 1996-09-18 1998-04-07 Toshiba Corp High temperature member cooling device
GB2409243A (en) * 2003-12-19 2005-06-22 Ishikawajima Harima Heavy Ind Film-cooled gas turbine engine component
JP2006307842A (en) * 2005-03-30 2006-11-09 Mitsubishi Heavy Ind Ltd High temperature member for gas turbine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936223A (en) * 1974-09-23 1976-02-03 General Motors Corporation Compressor diffuser
US4529358A (en) * 1984-02-15 1985-07-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Vortex generating flow passage design for increased film cooling effectiveness
JPH0693802A (en) * 1992-09-14 1994-04-05 Hitachi Ltd Gas turbine stator vane
JP2001012204A (en) * 1999-06-30 2001-01-16 Toshiba Corp Gas turbine blade
US6234755B1 (en) 1999-10-04 2001-05-22 General Electric Company Method for improving the cooling effectiveness of a gaseous coolant stream, and related articles of manufacture
JP2002221005A (en) * 2001-01-26 2002-08-09 Ishikawajima Harima Heavy Ind Co Ltd Cooling turbine blade
US6629817B2 (en) 2001-07-05 2003-10-07 General Electric Company System and method for airfoil film cooling
US7008186B2 (en) 2003-09-17 2006-03-07 General Electric Company Teardrop film cooled blade
US7328580B2 (en) 2004-06-23 2008-02-12 General Electric Company Chevron film cooled wall

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1089005A (en) * 1996-09-18 1998-04-07 Toshiba Corp High temperature member cooling device
GB2409243A (en) * 2003-12-19 2005-06-22 Ishikawajima Harima Heavy Ind Film-cooled gas turbine engine component
JP2006307842A (en) * 2005-03-30 2006-11-09 Mitsubishi Heavy Ind Ltd High temperature member for gas turbine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008059620A1 *

Also Published As

Publication number Publication date
JP4941891B2 (en) 2012-05-30
CA2668750A1 (en) 2008-05-22
EP2083147A1 (en) 2009-07-29
JP2008121561A (en) 2008-05-29
CA2668750C (en) 2012-06-19
WO2008059620A1 (en) 2008-05-22
EP2083147B1 (en) 2015-10-07
US20100040459A1 (en) 2010-02-18

Similar Documents

Publication Publication Date Title
EP2083147A4 (en) Film cooling structure
EP2064487A4 (en) Brightness-enhancing film
EP1862186A4 (en) Adhesion-preventive film
EP2006711A4 (en) Anti-dazzling film
EP1985804A4 (en) Cooling structure
EP2047078A4 (en) Cooling system
EP2074295A4 (en) Cooling arrangement
HK1143985A1 (en) Film
GB0611264D0 (en) Film cooled component
EP2040017A4 (en) Cooling storage
EP2233861A4 (en) Cooling device
EP2014462A4 (en) Multilayer film
PL2178702T3 (en) Film arrangement
PL2069701T3 (en) Cooling element
PL1857756T3 (en) Cooling device
GB0709562D0 (en) Cooling arrangement
IL173991A0 (en) Integrated cooling system
IL183268A0 (en) Ferromagnetic-backed film
EP2034262A4 (en) Cooling storage
EP2069697A4 (en) Cooling element
PL380407A1 (en) Chill
GB0705050D0 (en) Cooling arrangement
GB0616568D0 (en) Cooling system
GB0625171D0 (en) Film
GB2439728B (en) Heat-shrinkable film

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: 20090416

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20140410

RIC1 Information provided on ipc code assigned before grant

Ipc: F01D 9/02 20060101ALI20140404BHEP

Ipc: F01D 25/24 20060101ALI20140404BHEP

Ipc: F01D 25/12 20060101ALI20140404BHEP

Ipc: F01D 5/18 20060101AFI20140404BHEP

Ipc: F02C 7/18 20060101ALI20140404BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20150529

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): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 753889

Country of ref document: AT

Kind code of ref document: T

Effective date: 20151015

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602007043396

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20151007

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 753889

Country of ref document: AT

Kind code of ref document: T

Effective date: 20151007

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 10

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: 20151007

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: 20151007

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: 20151007

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: 20160207

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151007

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: 20151007

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: 20151007

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: 20160108

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: 20151007

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: 20160208

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: 20151007

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602007043396

Country of ref document: DE

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

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: 20151007

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: 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: 20151007

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: 20151007

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: 20151007

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: 20151007

Ref country code: BE

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

Effective date: 20160331

26N No opposition filed

Effective date: 20160708

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: 20151007

Ref country code: LU

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: 20160313

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: 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: 20151007

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: BE

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: 20151007

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

Ref country code: CH

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

Effective date: 20160331

Ref country code: IE

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

Effective date: 20160313

Ref country code: LI

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

Effective date: 20160331

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

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: 20151007

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

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: 20070313

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: 20151007

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: 20160331

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: 20151007

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

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: 20151007

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

Ref country code: IT

Payment date: 20220210

Year of fee payment: 16

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

Ref country code: FR

Payment date: 20230208

Year of fee payment: 17

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

Ref country code: GB

Payment date: 20230202

Year of fee payment: 17

Ref country code: DE

Payment date: 20230131

Year of fee payment: 17