EP1870561A3 - Refroidissement du bord d'attaque d'un composant de turbine à gaz par générateurs de turbulence - Google Patents
Refroidissement du bord d'attaque d'un composant de turbine à gaz par générateurs de turbulence Download PDFInfo
- Publication number
- EP1870561A3 EP1870561A3 EP07252545A EP07252545A EP1870561A3 EP 1870561 A3 EP1870561 A3 EP 1870561A3 EP 07252545 A EP07252545 A EP 07252545A EP 07252545 A EP07252545 A EP 07252545A EP 1870561 A3 EP1870561 A3 EP 1870561A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- leading edge
- staggered
- gas turbine
- turbine component
- edge 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/121—Fluid guiding means, e.g. vanes related to the leading edge of a stator vane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2212—Improvement of heat transfer by creating turbulence
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
- F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/473,893 US20070297916A1 (en) | 2006-06-22 | 2006-06-22 | Leading edge cooling using wrapped staggered-chevron trip strips |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1870561A2 EP1870561A2 (fr) | 2007-12-26 |
EP1870561A3 true EP1870561A3 (fr) | 2010-12-22 |
EP1870561B1 EP1870561B1 (fr) | 2017-04-05 |
Family
ID=38349575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07252545.4A Revoked EP1870561B1 (fr) | 2006-06-22 | 2007-06-22 | Refroidissement du bord d'attaque d'un composant de turbine à gaz par générateurs de turbulence |
Country Status (3)
Country | Link |
---|---|
US (1) | US20070297916A1 (fr) |
EP (1) | EP1870561B1 (fr) |
JP (1) | JP2008002464A (fr) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8690538B2 (en) * | 2006-06-22 | 2014-04-08 | United Technologies Corporation | Leading edge cooling using chevron trip strips |
EP1921269A1 (fr) * | 2006-11-09 | 2008-05-14 | Siemens Aktiengesellschaft | Aube de turbine |
US8376706B2 (en) * | 2007-09-28 | 2013-02-19 | General Electric Company | Turbine airfoil concave cooling passage using dual-swirl flow mechanism and method |
US8348613B2 (en) * | 2009-03-30 | 2013-01-08 | United Technologies Corporation | Airflow influencing airfoil feature array |
US8821111B2 (en) * | 2010-12-14 | 2014-09-02 | Siemens Energy, Inc. | Gas turbine vane with cooling channel end turn structure |
US8757961B1 (en) * | 2011-05-21 | 2014-06-24 | Florida Turbine Technologies, Inc. | Industrial turbine stator vane |
US9995148B2 (en) | 2012-10-04 | 2018-06-12 | General Electric Company | Method and apparatus for cooling gas turbine and rotor blades |
US9850762B2 (en) | 2013-03-13 | 2017-12-26 | General Electric Company | Dust mitigation for turbine blade tip turns |
US10215031B2 (en) | 2013-03-14 | 2019-02-26 | United Technologies Corporation | Gas turbine engine component cooling with interleaved facing trip strips |
WO2014159800A1 (fr) * | 2013-03-14 | 2014-10-02 | United Technologies Corporation | Barrette perturbatrice en forme de chevron à angle obtus |
WO2015026430A1 (fr) | 2013-08-20 | 2015-02-26 | United Technologies Corporation | Plaque de revêtement de plateforme de canalisation |
WO2015065717A1 (fr) * | 2013-10-29 | 2015-05-07 | United Technologies Corporation | Socles à augmentateur de transfert de chaleur |
WO2015094531A1 (fr) | 2013-12-20 | 2015-06-25 | United Technologies Corporation | Cavite de refroidissement de composants de turbine a gaz avec elements favorisant la generation de tourbillons |
EP3149284A2 (fr) | 2014-05-29 | 2017-04-05 | General Electric Company | Éléments de turbine à gaz refroidis par impact |
US9957816B2 (en) | 2014-05-29 | 2018-05-01 | General Electric Company | Angled impingement insert |
US10422235B2 (en) | 2014-05-29 | 2019-09-24 | General Electric Company | Angled impingement inserts with cooling features |
US10563514B2 (en) | 2014-05-29 | 2020-02-18 | General Electric Company | Fastback turbulator |
US10364684B2 (en) | 2014-05-29 | 2019-07-30 | General Electric Company | Fastback vorticor pin |
US10119404B2 (en) * | 2014-10-15 | 2018-11-06 | Honeywell International Inc. | Gas turbine engines with improved leading edge airfoil cooling |
US10233775B2 (en) | 2014-10-31 | 2019-03-19 | General Electric Company | Engine component for a gas turbine engine |
US10280785B2 (en) | 2014-10-31 | 2019-05-07 | General Electric Company | Shroud assembly for a turbine engine |
US10406596B2 (en) | 2015-05-01 | 2019-09-10 | United Technologies Corporation | Core arrangement for turbine engine component |
US10280841B2 (en) | 2015-12-07 | 2019-05-07 | United Technologies Corporation | Baffle insert for a gas turbine engine component and method of cooling |
US10337334B2 (en) | 2015-12-07 | 2019-07-02 | United Technologies Corporation | Gas turbine engine component with a baffle insert |
US10577947B2 (en) | 2015-12-07 | 2020-03-03 | United Technologies Corporation | Baffle insert for a gas turbine engine component |
US10422233B2 (en) | 2015-12-07 | 2019-09-24 | United Technologies Corporation | Baffle insert for a gas turbine engine component and component with baffle insert |
US10352177B2 (en) | 2016-02-16 | 2019-07-16 | General Electric Company | Airfoil having impingement openings |
US10577944B2 (en) | 2017-08-03 | 2020-03-03 | General Electric Company | Engine component with hollow turbulators |
US10590778B2 (en) | 2017-08-03 | 2020-03-17 | General Electric Company | Engine component with non-uniform chevron pins |
US11788416B2 (en) | 2019-01-30 | 2023-10-17 | Rtx Corporation | Gas turbine engine components having interlaced trip strip arrays |
CN115182787A (zh) * | 2022-04-27 | 2022-10-14 | 上海交通大学 | 改善前缘旋流冷却能力的涡轮叶片及发动机 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5232343A (en) * | 1984-05-24 | 1993-08-03 | General Electric Company | Turbine blade |
US5700132A (en) * | 1991-12-17 | 1997-12-23 | General Electric Company | Turbine blade having opposing wall turbulators |
EP0758932B1 (fr) * | 1994-04-19 | 1998-06-24 | United Technologies Corporation | Refroidissement d'une aube de turbine a gaz |
US6068445A (en) * | 1997-07-14 | 2000-05-30 | Abb Research Ltd. | Cooling system for the leading-edge region of a hollow gas-turbine blade |
EP1469164A2 (fr) * | 2003-04-15 | 2004-10-20 | General Electric Company | Refroidissement des aubes de guidage de turbine |
EP1473439A2 (fr) * | 2003-04-29 | 2004-11-03 | General Electric Company | Aube crénelée refroidie pour turbine |
EP1873354A2 (fr) * | 2006-06-22 | 2008-01-02 | United Technologies Corporation | Refroidissement du bord d'attaque utilisant des bandes à chevrons |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4257737A (en) * | 1978-07-10 | 1981-03-24 | United Technologies Corporation | Cooled rotor blade |
US4775296A (en) * | 1981-12-28 | 1988-10-04 | United Technologies Corporation | Coolable airfoil for a rotary machine |
US4514144A (en) * | 1983-06-20 | 1985-04-30 | General Electric Company | Angled turbulence promoter |
GB2159585B (en) * | 1984-05-24 | 1989-02-08 | Gen Electric | Turbine blade |
JPS62271902A (ja) * | 1986-01-20 | 1987-11-26 | Hitachi Ltd | ガスタ−ビン冷却翼 |
US5052889A (en) * | 1990-05-17 | 1991-10-01 | Pratt & Whintey Canada | Offset ribs for heat transfer surface |
US5246340A (en) * | 1991-11-19 | 1993-09-21 | Allied-Signal Inc. | Internally cooled airfoil |
US5681144A (en) * | 1991-12-17 | 1997-10-28 | General Electric Company | Turbine blade having offset turbulators |
US5695321A (en) * | 1991-12-17 | 1997-12-09 | General Electric Company | Turbine blade having variable configuration turbulators |
US5472316A (en) * | 1994-09-19 | 1995-12-05 | General Electric Company | Enhanced cooling apparatus for gas turbine engine airfoils |
JPH10280905A (ja) * | 1997-04-02 | 1998-10-20 | Mitsubishi Heavy Ind Ltd | ガスタービン冷却翼のタービュレータ |
JPH11173105A (ja) * | 1997-12-08 | 1999-06-29 | Mitsubishi Heavy Ind Ltd | ガスタービン動翼 |
JPH11241602A (ja) * | 1998-02-26 | 1999-09-07 | Toshiba Corp | ガスタービン翼 |
US6406260B1 (en) * | 1999-10-22 | 2002-06-18 | Pratt & Whitney Canada Corp. | Heat transfer promotion structure for internally convectively cooled airfoils |
FR2858352B1 (fr) | 2003-08-01 | 2006-01-20 | Snecma Moteurs | Circuit de refroidissement pour aube de turbine |
-
2006
- 2006-06-22 US US11/473,893 patent/US20070297916A1/en not_active Abandoned
-
2007
- 2007-06-19 JP JP2007160904A patent/JP2008002464A/ja active Pending
- 2007-06-22 EP EP07252545.4A patent/EP1870561B1/fr not_active Revoked
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5232343A (en) * | 1984-05-24 | 1993-08-03 | General Electric Company | Turbine blade |
US5700132A (en) * | 1991-12-17 | 1997-12-23 | General Electric Company | Turbine blade having opposing wall turbulators |
EP0758932B1 (fr) * | 1994-04-19 | 1998-06-24 | United Technologies Corporation | Refroidissement d'une aube de turbine a gaz |
US6068445A (en) * | 1997-07-14 | 2000-05-30 | Abb Research Ltd. | Cooling system for the leading-edge region of a hollow gas-turbine blade |
EP1469164A2 (fr) * | 2003-04-15 | 2004-10-20 | General Electric Company | Refroidissement des aubes de guidage de turbine |
EP1473439A2 (fr) * | 2003-04-29 | 2004-11-03 | General Electric Company | Aube crénelée refroidie pour turbine |
EP1873354A2 (fr) * | 2006-06-22 | 2008-01-02 | United Technologies Corporation | Refroidissement du bord d'attaque utilisant des bandes à chevrons |
Also Published As
Publication number | Publication date |
---|---|
EP1870561B1 (fr) | 2017-04-05 |
EP1870561A2 (fr) | 2007-12-26 |
JP2008002464A (ja) | 2008-01-10 |
US20070297916A1 (en) | 2007-12-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1870561A3 (fr) | Refroidissement du bord d'attaque d'un composant de turbine à gaz par générateurs de turbulence | |
EP1873354A3 (fr) | Refroidissement du bord d'attaque utilisant des bandes à chevrons | |
EP1788192A3 (fr) | Aube de rotor de turbine à gaz à bord de plateforme refroidi et procédé de refroidissement d'un bord d'attaque de plateforme | |
EP2325439A3 (fr) | Noyau de refroidissement d'une plate-forme d'aube de turbine | |
EP1813776A3 (fr) | Microcircuits pour le refroidissement des aubes d'un engin de turbine à gaz de petite taille | |
EP2141327A3 (fr) | Aube rotorique pour un moteur à turbine à gaz | |
TW200720528A (en) | Microcircuit cooling for blades | |
EP2154333A3 (fr) | Aube refroidie et ensemble de turbine associé | |
EP1793086A3 (fr) | Aube de turbine | |
EP1887186A3 (fr) | Refroidissement de bord d'attaque avec dispositif anti-coriolis à microcircuit | |
EP1693552A3 (fr) | Aube de turbine | |
EP1607577A3 (fr) | Aube de turbine avec perçages de refroidissement par film d'air | |
EP1775425A3 (fr) | Segment d'anneau de turbine et procédé de refroidissement d'un tel segment | |
EP1849965A3 (fr) | Refroidissement de plateforme à ailettes | |
EP1936117A3 (fr) | Aube avec générateur de plasma au bord d'attaque pour reduire les vortex et procédé de fonctionnement associé | |
EP1813774A3 (fr) | Refroidissement d'une pièce d'une turbine | |
EP1783327A3 (fr) | Refroidissement avec microcanaux périphériques en serpentin pour aube de turbine | |
EP1688587A3 (fr) | Étage de turbine à raccord en forme d'entonnoir | |
EP1882816A3 (fr) | Microcircuit divisé radialement de refroidissement serpentin | |
EP1749967A3 (fr) | Dispositif de refroidissement de turbine à gaz | |
EP1826361A3 (fr) | Aube de turbine à gaz | |
EP2241721A3 (fr) | Profil d'aube comportant un élément contre le décollement de lécoulement, moteur à turbine à gaz et procédé d'exploitation associés | |
EP1795710A3 (fr) | Ejecteur avec une tuyère motrice variable pour l'utilisation dans des moteurs de turbine | |
EP1298285A3 (fr) | Extrémité d'aube de turbomachine avec arête décalée | |
EP1961917A3 (fr) | Dispositifs entaillés de transfert thermique d'un bord de fuite |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): 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 |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR MK YU |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 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 |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR MK RS |
|
AKY | No designation fees paid | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R108 |
|
17P | Request for examination filed |
Effective date: 20110621 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE GB |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R108 Effective date: 20110831 |
|
17Q | First examination report despatched |
Effective date: 20120223 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: UNITED TECHNOLOGIES CORPORATION |
|
INTG | Intention to grant announced |
Effective date: 20161014 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE GB |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602007050458 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R082 Ref document number: 602007050458 Country of ref document: DE Representative=s name: SCHMITT-NILSON SCHRAUD WAIBEL WOHLFROM PATENTA, DE |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R026 Ref document number: 602007050458 Country of ref document: DE |
|
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
PLAX | Notice of opposition and request to file observation + time limit sent |
Free format text: ORIGINAL CODE: EPIDOSNOBS2 |
|
26 | Opposition filed |
Opponent name: SAFRAN AIRCRAFT ENGINES Effective date: 20180102 |
|
PLAF | Information modified related to communication of a notice of opposition and request to file observations + time limit |
Free format text: ORIGINAL CODE: EPIDOSCOBS2 |
|
PLBB | Reply of patent proprietor to notice(s) of opposition received |
Free format text: ORIGINAL CODE: EPIDOSNOBS3 |
|
RDAF | Communication despatched that patent is revoked |
Free format text: ORIGINAL CODE: EPIDOSNREV1 |
|
APAH | Appeal reference modified |
Free format text: ORIGINAL CODE: EPIDOSCREFNO |
|
APBM | Appeal reference recorded |
Free format text: ORIGINAL CODE: EPIDOSNREFNO |
|
APBP | Date of receipt of notice of appeal recorded |
Free format text: ORIGINAL CODE: EPIDOSNNOA2O |
|
APBQ | Date of receipt of statement of grounds of appeal recorded |
Free format text: ORIGINAL CODE: EPIDOSNNOA3O |
|
RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: RAYTHEON TECHNOLOGIES CORPORATION |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20220518 Year of fee payment: 16 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 602007050458 Country of ref document: DE Owner name: RAYTHEON TECHNOLOGIES CORPORATION (N.D.GES.D.S, US Free format text: FORMER OWNER: UNITED TECHNOLOGIES CORPORATION, FARMINGTON, CONN., US |
|
PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R103 Ref document number: 602007050458 Country of ref document: DE Ref country code: DE Ref legal event code: R064 Ref document number: 602007050458 Country of ref document: DE |
|
APBU | Appeal procedure closed |
Free format text: ORIGINAL CODE: EPIDOSNNOA9O |
|
R26 | Opposition filed (corrected) |
Opponent name: SAFRAN AIRCRAFT ENGINES Effective date: 20180102 |
|
RDAG | Patent revoked |
Free format text: ORIGINAL CODE: 0009271 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT REVOKED |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230519 |
|
27W | Patent revoked |
Effective date: 20230606 |
|
GBPR | Gb: patent revoked under art. 102 of the ep convention designating the uk as contracting state |
Effective date: 20230606 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20230523 Year of fee payment: 17 |