EP2565382A3 - Airfoil with array of cooling pins - Google Patents
Airfoil with array of cooling pins Download PDFInfo
- Publication number
- EP2565382A3 EP2565382A3 EP20120180753 EP12180753A EP2565382A3 EP 2565382 A3 EP2565382 A3 EP 2565382A3 EP 20120180753 EP20120180753 EP 20120180753 EP 12180753 A EP12180753 A EP 12180753A EP 2565382 A3 EP2565382 A3 EP 2565382A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- airfoil
- cooling
- array
- cooling pins
- fms
- 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.)
- Withdrawn
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
- F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
-
- 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
- F05D2240/304—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 trailing 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
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/221,009 US20130052036A1 (en) | 2011-08-30 | 2011-08-30 | Pin-fin array |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2565382A2 EP2565382A2 (en) | 2013-03-06 |
EP2565382A3 true EP2565382A3 (en) | 2015-04-22 |
Family
ID=46679213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20120180753 Withdrawn EP2565382A3 (en) | 2011-08-30 | 2012-08-16 | Airfoil with array of cooling pins |
Country Status (3)
Country | Link |
---|---|
US (1) | US20130052036A1 (en) |
EP (1) | EP2565382A3 (en) |
CN (1) | CN102966380A (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201217125D0 (en) * | 2012-09-26 | 2012-11-07 | Rolls Royce Plc | Gas turbine engine component |
US9732617B2 (en) | 2013-11-26 | 2017-08-15 | General Electric Company | Cooled airfoil trailing edge and method of cooling the airfoil trailing edge |
US9784123B2 (en) * | 2014-01-10 | 2017-10-10 | Genearl Electric Company | Turbine components with bi-material adaptive cooling pathways |
US9976425B2 (en) * | 2015-12-21 | 2018-05-22 | General Electric Company | Cooling circuit for a multi-wall blade |
CN105673089B (en) * | 2016-03-31 | 2018-06-29 | 中国船舶重工集团公司第七�三研究所 | A kind of Gas Turbine is without hat gaseous film control rotor blade |
CN106014488A (en) * | 2016-07-07 | 2016-10-12 | 周丽玲 | Gas turbine blade with longitudinal intersection rib cooling structure |
US10704399B2 (en) | 2017-05-31 | 2020-07-07 | General Electric Company | Adaptively opening cooling pathway |
US11041389B2 (en) | 2017-05-31 | 2021-06-22 | General Electric Company | Adaptive cover for cooling pathway by additive manufacture |
US10760430B2 (en) | 2017-05-31 | 2020-09-01 | General Electric Company | Adaptively opening backup cooling pathway |
US10927680B2 (en) | 2017-05-31 | 2021-02-23 | General Electric Company | Adaptive cover for cooling pathway by additive manufacture |
EP3862537A1 (en) * | 2020-02-10 | 2021-08-11 | General Electric Company Polska sp. z o.o. | Cooled turbine nozzle and nozzle segment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3858290A (en) * | 1972-11-21 | 1975-01-07 | Avco Corp | Method of making inserts for cooled turbine blades |
EP0034961A1 (en) * | 1980-02-19 | 1981-09-02 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Cooled turbine blades |
WO2001031171A1 (en) * | 1999-10-22 | 2001-05-03 | Pratt & Whitney Canada Corp. | Cast airfoil structure with openings which do not require plugging |
EP1113145A1 (en) * | 1999-12-27 | 2001-07-04 | ALSTOM POWER (Schweiz) AG | Blade for gas turbines with metering section at the trailing edge |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5601399A (en) * | 1996-05-08 | 1997-02-11 | Alliedsignal Inc. | Internally cooled gas turbine vane |
US6254334B1 (en) * | 1999-10-05 | 2001-07-03 | United Technologies Corporation | Method and apparatus for cooling a wall within a gas turbine engine |
US6402470B1 (en) * | 1999-10-05 | 2002-06-11 | United Technologies Corporation | Method and apparatus for cooling a wall within a gas turbine engine |
US7014424B2 (en) * | 2003-04-08 | 2006-03-21 | United Technologies Corporation | Turbine element |
US6890154B2 (en) * | 2003-08-08 | 2005-05-10 | United Technologies Corporation | Microcircuit cooling for a turbine blade |
US6981840B2 (en) * | 2003-10-24 | 2006-01-03 | General Electric Company | Converging pin cooled airfoil |
US7125225B2 (en) * | 2004-02-04 | 2006-10-24 | United Technologies Corporation | Cooled rotor blade with vibration damping device |
EP2143883A1 (en) * | 2008-07-10 | 2010-01-13 | Siemens Aktiengesellschaft | Turbine blade and corresponding casting core |
-
2011
- 2011-08-30 US US13/221,009 patent/US20130052036A1/en not_active Abandoned
-
2012
- 2012-08-16 EP EP20120180753 patent/EP2565382A3/en not_active Withdrawn
- 2012-08-30 CN CN2012103158304A patent/CN102966380A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3858290A (en) * | 1972-11-21 | 1975-01-07 | Avco Corp | Method of making inserts for cooled turbine blades |
EP0034961A1 (en) * | 1980-02-19 | 1981-09-02 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Cooled turbine blades |
WO2001031171A1 (en) * | 1999-10-22 | 2001-05-03 | Pratt & Whitney Canada Corp. | Cast airfoil structure with openings which do not require plugging |
EP1113145A1 (en) * | 1999-12-27 | 2001-07-04 | ALSTOM POWER (Schweiz) AG | Blade for gas turbines with metering section at the trailing edge |
Also Published As
Publication number | Publication date |
---|---|
CN102966380A (en) | 2013-03-13 |
EP2565382A2 (en) | 2013-03-06 |
US20130052036A1 (en) | 2013-02-28 |
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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 |
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AK | Designated contracting states |
Kind code of ref document: A2 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 |
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AX | Request for extension of the european patent |
Extension state: BA ME |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
Kind code of ref document: A3 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 |
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AX | Request for extension of the european patent |
Extension state: BA ME |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F01D 5/18 20060101AFI20150317BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20151023 |