CA994245A - Serpentine cooling channel construction for open-circuit liquid cooled turbine buckets - Google Patents

Serpentine cooling channel construction for open-circuit liquid cooled turbine buckets

Info

Publication number: CA994245A
Authority: CA; Canada
Prior art keywords: open; cooling channel; liquid cooled; serpentine cooling; cooled turbine
Prior art date: 1973-03-28
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

Application number

CA195,243A

Other languages

English (en)

Other versions

CA195243S (en

Inventor

Clayton M. Grondahl

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.)

General Electric Co

Original Assignee

General Electric Co

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.)

1973-03-28

Filing date

1974-03-18

Publication date

1976-08-03

1974-03-18 Application filed by General Electric Co filed Critical General Electric Co

1976-08-03 Application granted granted Critical

1976-08-03 Publication of CA994245A publication Critical patent/CA994245A/en

Status Expired legal-status Critical Current

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
- F01D5/185—Liquid 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
- F05D2240/80—Platforms for stationary or moving blades
- F05D2240/81—Cooled platforms

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Turbine Rotor Nozzle Sealing (AREA)

CA195,243A 1973-03-28 1974-03-18 Serpentine cooling channel construction for open-circuit liquid cooled turbine buckets Expired CA994245A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00345538A US3849025A (en)	1973-03-28	1973-03-28	Serpentine cooling channel construction for open-circuit liquid cooled turbine buckets

Publications (1)

Publication Number	Publication Date
CA994245A true CA994245A (en)	1976-08-03

Family

ID=23355426

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA195,243A Expired CA994245A (en)	1973-03-28	1974-03-18	Serpentine cooling channel construction for open-circuit liquid cooled turbine buckets

Country Status (8)

Country	Link
US (1)	US3849025A (de)
JP (1)	JPS5025914A (de)
CA (1)	CA994245A (de)
DE (1)	DE2414397A1 (de)
FR (1)	FR2223549B1 (de)
GB (1)	GB1470322A (de)
IT (1)	IT1005870B (de)
NL (1)	NL7404171A (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5244994U (de) *	1975-09-26	1977-03-30
US4017210A (en) *	1976-02-19	1977-04-12	General Electric Company	Liquid-cooled turbine bucket with integral distribution and metering system
US4156582A (en) *	1976-12-13	1979-05-29	General Electric Company	Liquid cooled gas turbine buckets
US4118145A (en) *	1977-03-02	1978-10-03	Westinghouse Electric Corp.	Water-cooled turbine blade
JPS5477820A (en) *	1977-12-02	1979-06-21	Hitachi Ltd	Method of cooling gas turbine blade
US4275990A (en) *	1977-12-17	1981-06-30	Rolls-Royce Limited	Disc channel for cooling rotor blade roots
US4260336A (en) *	1978-12-21	1981-04-07	United Technologies Corporation	Coolant flow control apparatus for rotating heat exchangers with supercritical fluids
US4565490A (en) *	1981-06-17	1986-01-21	Rice Ivan G	Integrated gas/steam nozzle
US4543781A (en) *	1981-06-17	1985-10-01	Rice Ivan G	Annular combustor for gas turbine
GB2163219B (en) *	1981-10-31	1986-08-13	Rolls Royce	Cooled turbine blade
ES2122423T3 (es)	1994-11-14	1998-12-16	Nippon Catalytic Chem Ind	Procedimiento para la produccion de acido acrilico.
US5611662A (en) *	1995-08-01	1997-03-18	General Electric Co.	Impingement cooling for turbine stator vane trailing edge
DE19705442A1 (de) *	1997-02-13	1998-08-20	Bmw Rolls Royce Gmbh	Turbinen-Laufradscheibe mit Kühlluftkanälen
DE19713268B4 (de) *	1997-03-29	2006-01-19	Alstom	Gekühlte Gasturbinenschaufel
US5967752A (en) *	1997-12-31	1999-10-19	General Electric Company	Slant-tier turbine airfoil
US5971708A (en) *	1997-12-31	1999-10-26	General Electric Company	Branch cooled turbine airfoil
EP1464393A1 (de)	1999-02-19	2004-10-06	Nippon Shokubai Co., Ltd.	Katalysator zur Herstellung von Phthalsäureanhydrid
JP3943284B2 (ja)	1999-05-27	2007-07-11	株式会社日本触媒	アクリル酸の製造方法
JP5134745B2 (ja)	2001-09-19	2013-01-30	株式会社日本触媒	アクリル酸の製造方法
US6923362B2 (en) *	2002-09-30	2005-08-02	The Curators Of University Of Missouri	Integral channels in metal components and fabrication thereof
JP4813758B2 (ja)	2003-02-27	2011-11-09	株式会社日本触媒	複合酸化物触媒およびそれを用いたアクリル酸の製造方法
KR100497175B1 (ko)	2003-03-26	2005-06-23	주식회사 엘지화학	프로필렌 및 이소부틸렌 부분산화 반응용 촉매의 제조방법
US6955525B2 (en) *	2003-08-08	2005-10-18	Siemens Westinghouse Power Corporation	Cooling system for an outer wall of a turbine blade
US7217088B2 (en) *	2005-02-02	2007-05-15	Siemens Power Generation, Inc.	Cooling fluid preheating system for an airfoil in a turbine engine
US7744347B2 (en) *	2005-11-08	2010-06-29	United Technologies Corporation	Peripheral microcircuit serpentine cooling for turbine airfoils
US8177506B2 (en) *	2006-01-25	2012-05-15	United Technologies Corporation	Microcircuit cooling with an aspect ratio of unity
US7549843B2 (en) *	2006-08-24	2009-06-23	Siemens Energy, Inc.	Turbine airfoil cooling system with axial flowing serpentine cooling chambers
US7722324B2 (en)	2006-09-05	2010-05-25	United Technologies Corporation	Multi-peripheral serpentine microcircuits for high aspect ratio blades
US8047788B1 (en) *	2007-10-19	2011-11-01	Florida Turbine Technologies, Inc.	Turbine airfoil with near-wall serpentine cooling
US8118553B2 (en) *	2009-03-20	2012-02-21	Siemens Energy, Inc.	Turbine airfoil cooling system with dual serpentine cooling chambers
US20110110772A1 (en) *	2009-11-11	2011-05-12	Arrell Douglas J	Turbine Engine Components with Near Surface Cooling Channels and Methods of Making the Same
US8727704B2 (en) *	2010-09-07	2014-05-20	Siemens Energy, Inc.	Ring segment with serpentine cooling passages
US9109454B2 (en) *	2012-03-01	2015-08-18	General Electric Company	Turbine bucket with pressure side cooling
US9562439B2 (en) *	2013-12-27	2017-02-07	General Electric Company	Turbine nozzle and method for cooling a turbine nozzle of a gas turbine engine
US10465521B2 (en)	2016-10-26	2019-11-05	General Electric Company	Turbine airfoil coolant passage created in cover
US10450875B2 (en)	2016-10-26	2019-10-22	General Electric Company	Varying geometries for cooling circuits of turbine blades
US10450950B2 (en)	2016-10-26	2019-10-22	General Electric Company	Turbomachine blade with trailing edge cooling circuit
US10352176B2 (en) *	2016-10-26	2019-07-16	General Electric Company	Cooling circuits for a multi-wall blade
US10598028B2 (en)	2016-10-26	2020-03-24	General Electric Company	Edge coupon including cooling circuit for airfoil
US10301946B2 (en)	2016-10-26	2019-05-28	General Electric Company	Partially wrapped trailing edge cooling circuits with pressure side impingements
US10273810B2 (en)	2016-10-26	2019-04-30	General Electric Company	Partially wrapped trailing edge cooling circuit with pressure side serpentine cavities
US10309227B2 (en)	2016-10-26	2019-06-04	General Electric Company	Multi-turn cooling circuits for turbine blades
US10233761B2 (en)	2016-10-26	2019-03-19	General Electric Company	Turbine airfoil trailing edge coolant passage created by cover
US11566527B2 (en) *	2018-12-18	2023-01-31	General Electric Company	Turbine engine airfoil and method of cooling
US11814965B2 (en)	2021-11-10	2023-11-14	General Electric Company	Turbomachine blade trailing edge cooling circuit with turn passage having set of obstructions

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2888241A (en) *	1954-06-09	1959-05-26	Stalker Corp	Fabricated cooled turbine blades
US2888243A (en) *	1956-10-22	1959-05-26	Pollock Robert Stephen	Cooled turbine blade
US3220697A (en) *	1963-08-30	1965-11-30	Gen Electric	Hollow turbine or compressor vane
US3370829A (en) *	1965-12-20	1968-02-27	Avco Corp	Gas turbine blade construction
US3736071A (en) *	1970-11-27	1973-05-29	Gen Electric	Bucket tip/collection slot combination for open-circuit liquid-cooled gas turbines
US3658439A (en) *	1970-11-27	1972-04-25	Gen Electric	Metering of liquid coolant in open-circuit liquid-cooled gas turbines

1973
- 1973-03-28 US US00345538A patent/US3849025A/en not_active Expired - Lifetime
1974
- 1974-03-18 CA CA195,243A patent/CA994245A/en not_active Expired
- 1974-03-22 IT IT49536/74A patent/IT1005870B/it active
- 1974-03-22 GB GB1282774A patent/GB1470322A/en not_active Expired
- 1974-03-26 DE DE2414397A patent/DE2414397A1/de active Pending
- 1974-03-27 NL NL7404171A patent/NL7404171A/xx unknown
- 1974-03-28 FR FR7410763A patent/FR2223549B1/fr not_active Expired
- 1974-03-28 JP JP49034013A patent/JPS5025914A/ja active Pending

Also Published As

Publication number	Publication date
US3849025A (en)	1974-11-19
IT1005870B (it)	1976-09-30
NL7404171A (de)	1974-10-01
DE2414397A1 (de)	1974-10-17
FR2223549A1 (de)	1974-10-25
FR2223549B1 (de)	1979-10-12
JPS5025914A (de)	1975-03-18
GB1470322A (en)	1977-04-14

Publication	Publication Date	Title
CA994245A (en)	1976-08-03	Serpentine cooling channel construction for open-circuit liquid cooled turbine buckets
CA1001952A (en)	1976-12-21	Fluid cooled turbine rotor blade
CA995140A (en)	1976-08-17	Cooled turbine blade ring assembly
CA1018067A (en)	1977-09-27	Liquid cooled turbine bucket with dovetailed attachment
CA994672A (en)	1976-08-10	Turbomachinery blade cooling insert retainers
JPS5471214A (en)	1979-06-07	Liquid cooled turbine rotor
CA951245A (en)	1974-07-16	Internal cooling for turbine vanes
CA1006821A (en)	1977-03-15	Cooling slot for airfoil blade
CA995141A (en)	1976-08-17	Inlet vane structure for turbines
CA969095A (en)	1975-06-10	Turbine rotor cooling mechanism
CA1005749A (en)	1977-02-22	Device for liquefying gases condensing at very low temperature
CA1005894A (en)	1977-02-22	Cooling arrangement for flat semiconductor components
JPS53107515A (en)	1978-09-19	Fluid cooled type turbine blade
IT1008174B (it)	1976-11-10	Cilindro raffreddato per rotori di turbina
JPS5281740A (en)	1977-07-08	Drift separator for liquid cooling tower
CA925439A (en)	1973-05-01	Cooled shrouded turbine blade
CA1020367A (en)	1977-11-08	Cooling tower
AU472558B2 (en)	1976-05-27	Cooling tower
CA995138A (en)	1976-08-17	Reversing turbine flow divider support
CS191622B1 (en)	1979-07-31	Liquid operable cooler,especially for both-sidedly cooled semiconductor power elements
CA1002566A (en)	1976-12-28	Snowmobile engine cooling means
SE397723B (sv)	1977-11-14	Issmeltningsredskap for frysskap
CA975185A (en)	1975-09-30	Tube-tension device for water cooled turbine generator rotors
CA988310A (en)	1976-05-04	Turbine by-pass arrangement for thermal power plants
CA1012799A (en)	1977-06-28	As-rolled type low alloy high tension steel for low temperature services