DE3850681D1 - Rotor blade. - Google Patents

Rotor blade.

Info

Publication number
DE3850681D1
DE3850681D1 DE3850681T DE3850681T DE3850681D1 DE 3850681 D1 DE3850681 D1 DE 3850681D1 DE 3850681 T DE3850681 T DE 3850681T DE 3850681 T DE3850681 T DE 3850681T DE 3850681 D1 DE3850681 D1 DE 3850681D1
Authority
DE
Germany
Prior art keywords
rotor blade
rotor
blade
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.)
Expired - Fee Related
Application number
DE3850681T
Other languages
German (de)
Other versions
DE3850681T2 (en
Inventor
Wolfgang P Weinhold
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3850681D1 publication Critical patent/DE3850681D1/en
Publication of DE3850681T2 publication Critical patent/DE3850681T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
    • 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
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/684—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid injection
DE3850681T 1987-02-06 1988-02-05 Rotor blade. Expired - Fee Related DE3850681T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1178887A 1987-02-06 1987-02-06

Publications (2)

Publication Number Publication Date
DE3850681D1 true DE3850681D1 (en) 1994-08-25
DE3850681T2 DE3850681T2 (en) 1995-03-09

Family

ID=21751969

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3850681T Expired - Fee Related DE3850681T2 (en) 1987-02-06 1988-02-05 Rotor blade.

Country Status (2)

Country Link
EP (1) EP0278434B1 (en)
DE (1) DE3850681T2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2319567B (en) * 1988-07-29 1998-09-23 United Technologies Corp Clearance control for the turbine of a gas turbine engine
US5667359A (en) * 1988-08-24 1997-09-16 United Technologies Corp. Clearance control for the turbine of a gas turbine engine
NO306741B1 (en) * 1988-08-24 1999-12-13 United Technologies Corp Axial turbine for a gas turbine engine
US5382135A (en) * 1992-11-24 1995-01-17 United Technologies Corporation Rotor blade with cooled integral platform
DE10305351A1 (en) * 2003-02-10 2004-08-19 Rolls-Royce Deutschland Ltd & Co Kg Compressor blade has in radially outer blade end one or more indentations in one or more rows
US6830432B1 (en) * 2003-06-24 2004-12-14 Siemens Westinghouse Power Corporation Cooling of combustion turbine airfoil fillets
DE10355241A1 (en) * 2003-11-26 2005-06-30 Rolls-Royce Deutschland Ltd & Co Kg Fluid flow machine with fluid supply
US20070122280A1 (en) 2005-11-30 2007-05-31 General Electric Company Method and apparatus for reducing axial compressor blade tip flow
CN110863864B (en) * 2019-12-11 2022-05-10 沈阳航空航天大学 Turbine blade with internal transversely-winding alternately-shrinking and-expanding short channels

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1024754B (en) * 1956-02-11 1958-02-20 Maschf Augsburg Nuernberg Ag Cooled blade for hot operated turbines or compressors
US4020538A (en) * 1973-04-27 1977-05-03 General Electric Company Turbomachinery blade tip cap configuration
US4214355A (en) * 1977-12-21 1980-07-29 General Electric Company Method for repairing a turbomachinery blade tip
US4390320A (en) * 1980-05-01 1983-06-28 General Electric Company Tip cap for a rotor blade and method of replacement
GB2077363A (en) * 1980-06-05 1981-12-16 United Technologies Corp Wafer tip cap for rotor blades

Also Published As

Publication number Publication date
EP0278434A2 (en) 1988-08-17
DE3850681T2 (en) 1995-03-09
EP0278434A3 (en) 1990-01-31
EP0278434B1 (en) 1994-07-20

Similar Documents

Publication Publication Date Title
DE3769714D1 (en) STATOR BLADE.
ATE78430T1 (en) RAZOR BLADE ARRANGEMENT.
DE3872453D1 (en) TURBINE BLADE FASTENING.
DE68922937D1 (en) Helicopter rotor blade.
DE69006433T3 (en) Turbine blade.
FR2601069B1 (en) TURBINE.
DE3877909T3 (en) Rotor balancing.
DE69018250T2 (en) ROTOR BLADE.
DE3769903D1 (en) HELICOPTER ROTOR BLADE PROFILE.
DE3885701D1 (en) Bladed rotor assembly.
DE3770106D1 (en) CUTTER.
DE3769436D1 (en) CUTTER.
DE3769471D1 (en) ROTOR BLADE.
DE69004922T2 (en) Helicopter rotor.
NO855091L (en) BIOLOGICAL ROTOR.
FI872468A0 (en) ROTOR / BLADE FOER BLANDNING AV MASSAMATERIAL OCH FOER JUSTERING AV SLIPNING.
DE3850681T2 (en) Rotor blade.
DE69002193T2 (en) Rotor.
ES2014235B3 (en) HELICOPTER ROTOR.
FI874334A0 (en) PULSOMRIKTARMATAD ASYNKRON ELMOTOR MED KORTSLUTEN ROTOR.
DE3784350T2 (en) ROTOR ARRANGEMENT.
FR2597298B3 (en) ROOT CUTTERS.
DE3862915D1 (en) SAW BLADE.
NO165967C (en) ROTOR SHAFT.
FI901969A0 (en) FLERPOLIG ROTOR FOER ELEKTRISK MOTOR.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee