IT1237871B - POWER TURBINE VENTILATION SYSTEM - Google Patents

POWER TURBINE VENTILATION SYSTEM

Info

Publication number
IT1237871B
IT1237871B IT02263589A IT2263589A IT1237871B IT 1237871 B IT1237871 B IT 1237871B IT 02263589 A IT02263589 A IT 02263589A IT 2263589 A IT2263589 A IT 2263589A IT 1237871 B IT1237871 B IT 1237871B
Authority
IT
Italy
Prior art keywords
ventilation system
power turbine
turbine ventilation
power
ventilation
Prior art date
Application number
IT02263589A
Other languages
Italian (it)
Other versions
IT8922635A0 (en
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8922635A0 publication Critical patent/IT8922635A0/en
Application granted granted Critical
Publication of IT1237871B publication Critical patent/IT1237871B/en

Links

Classifications

    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/322—Blade mountings
    • F04D29/323—Blade mountings adjustable
    • 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
    • F01D7/00—Rotors with blades adjustable in operation; Control thereof
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
    • 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
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • 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
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Wind Motors (AREA)
IT02263589A 1989-04-11 1989-12-06 POWER TURBINE VENTILATION SYSTEM IT1237871B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/336,374 US5039278A (en) 1989-04-11 1989-04-11 Power turbine ventilation system

Publications (2)

Publication Number Publication Date
IT8922635A0 IT8922635A0 (en) 1989-12-06
IT1237871B true IT1237871B (en) 1993-06-18

Family

ID=23315794

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02263589A IT1237871B (en) 1989-04-11 1989-12-06 POWER TURBINE VENTILATION SYSTEM

Country Status (7)

Country Link
US (1) US5039278A (en)
JP (1) JPH061057B2 (en)
CA (1) CA2010151A1 (en)
DE (1) DE3940133A1 (en)
FR (1) FR2645590A1 (en)
GB (1) GB2230302A (en)
IT (1) IT1237871B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50009497D1 (en) * 2000-11-16 2005-03-17 Siemens Ag Film cooling of gas turbine blades by means of slots for cooling air
US8221083B2 (en) * 2008-04-15 2012-07-17 United Technologies Corporation Asymmetrical rotor blade fir-tree attachment
FR2963054B1 (en) * 2010-07-22 2012-07-27 Snecma RETENTION RING
FR2976551B1 (en) * 2011-06-20 2013-06-28 Snecma BLADE, ESPECIALLY A VARIABLE SHAFT, PROPELLER COMPRISING SUCH BLADES, AND CORRESPONDING TURBOMACHINE
FR2996592B1 (en) * 2012-10-10 2014-12-19 Snecma PROPELLER COMPRISING A DYNAMIC MOBILE ECOPE
FR2996588A1 (en) * 2012-10-10 2014-04-11 Snecma Propeller for e.g. aeronautical turboengines, has pivots with counterweight system that includes pair of inner channels for airflow ventilation discharge to capture and guide airflow directly in contact with blade foot borne by pivots
US9765624B2 (en) * 2012-10-10 2017-09-19 Snecma Propeller comprising a counterweight system provided with an air discharge channel
FR2996589A1 (en) * 2012-10-10 2014-04-11 Snecma Propeller for e.g. aeronautical turboengines, has pivots with counterweight system that includes pair of inner channels for airflow ventilation discharge to capture and guide airflow directly in contact with blade foot borne by pivots
FR2996590B1 (en) * 2012-10-10 2014-12-19 Snecma PROPELLER COMPRISING A PIVOT HAVING A PELTIER CELL
FR3026136B1 (en) * 2014-09-19 2019-07-12 Aircelle DYNAMIC ECOPE SYSTEM FOR AIRCRAFT TURBOMACHINE
IT202000006439A1 (en) 2020-03-26 2021-09-26 Ge Avio Srl METHOD AND APPARATUS FOR COOLING A PORTION OF A COUNTER-ROTARY TURBINE ENGINE
US12012201B2 (en) 2020-07-24 2024-06-18 Safran Aircraft Engines Assembly comprising a vane and a vane pitch setting system
FR3120663B1 (en) * 2021-03-09 2024-04-05 Safran Aircraft Engines ASSEMBLY COMPRISING A BLADE AND AN ANGULAR BLADE SETTING SYSTEM

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363419A (en) * 1965-04-27 1968-01-16 Rolls Royce Gas turbine ducted fan engine
US3631672A (en) * 1969-08-04 1972-01-04 Gen Electric Eductor cooled gas turbine casing
US3647313A (en) * 1970-06-01 1972-03-07 Gen Electric Gas turbine engines with compressor rotor cooling
US4190397A (en) * 1977-11-23 1980-02-26 General Electric Company Windage shield
US4230436A (en) * 1978-07-17 1980-10-28 General Electric Company Rotor/shroud clearance control system
GB2117054B (en) * 1982-02-17 1985-01-30 Rolls Royce Aircraft propulsion engine having a rear mounted propfan
US4574584A (en) * 1983-12-23 1986-03-11 United Technologies Corporation Method of operation for a gas turbine engine
DE3507036A1 (en) * 1984-03-02 1985-09-12 General Electric Co., Schenectady, N.Y. AIR CONTROL DEVICE FOR A GAS TURBINE ENGINE
US4732538A (en) * 1984-03-02 1988-03-22 General Electric Company Blade hub air scoop
US4621978A (en) * 1984-12-03 1986-11-11 General Electric Company Counterrotating power turbine
US4642024A (en) * 1984-12-05 1987-02-10 United Technologies Corporation Coolable stator assembly for a rotary machine
US4738591A (en) * 1986-09-09 1988-04-19 General Electric Company Blade pitch varying mechanism

Also Published As

Publication number Publication date
IT8922635A0 (en) 1989-12-06
GB8926980D0 (en) 1990-01-17
GB2230302A (en) 1990-10-17
CA2010151A1 (en) 1990-10-11
FR2645590A1 (en) 1990-10-12
US5039278A (en) 1991-08-13
DE3940133A1 (en) 1990-10-18
JPH061057B2 (en) 1994-01-05
JPH02275024A (en) 1990-11-09

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Legal Events

Date Code Title Description
0001 Granted