IT1226368B - Apparato di tenuta e di smorzamento di vibrazioni per piattaforme di pale di turbine. - Google Patents

Apparato di tenuta e di smorzamento di vibrazioni per piattaforme di pale di turbine.

Info

Publication number
IT1226368B
IT1226368B IT8821642A IT2164288A IT1226368B IT 1226368 B IT1226368 B IT 1226368B IT 8821642 A IT8821642 A IT 8821642A IT 2164288 A IT2164288 A IT 2164288A IT 1226368 B IT1226368 B IT 1226368B
Authority
IT
Italy
Prior art keywords
turbine blade
damping apparatus
blade platforms
vibration sealing
vibration
Prior art date
Application number
IT8821642A
Other languages
English (en)
Other versions
IT8821642A0 (it
Inventor
David George Hendley
William Anthony Litzinger
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 IT8821642A0 publication Critical patent/IT8821642A0/it
Application granted granted Critical
Publication of IT1226368B publication Critical patent/IT1226368B/it

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
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • 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
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • 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
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features
IT8821642A 1987-08-05 1988-08-04 Apparato di tenuta e di smorzamento di vibrazioni per piattaforme di pale di turbine. IT1226368B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/081,773 US4872812A (en) 1987-08-05 1987-08-05 Turbine blade plateform sealing and vibration damping apparatus

Publications (2)

Publication Number Publication Date
IT8821642A0 IT8821642A0 (it) 1988-08-04
IT1226368B true IT1226368B (it) 1991-01-11

Family

ID=22166300

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8821642A IT1226368B (it) 1987-08-05 1988-08-04 Apparato di tenuta e di smorzamento di vibrazioni per piattaforme di pale di turbine.

Country Status (6)

Country Link
US (1) US4872812A (it)
CA (1) CA1279017C (it)
DE (1) DE3825951C2 (it)
FR (1) FR2619158A1 (it)
GB (1) GB2208529B (it)
IT (1) IT1226368B (it)

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Also Published As

Publication number Publication date
US4872812A (en) 1989-10-10
DE3825951A1 (de) 1989-02-16
GB8818579D0 (en) 1988-09-07
FR2619158B1 (it) 1993-02-26
CA1279017C (en) 1991-01-15
GB2208529A (en) 1989-04-05
IT8821642A0 (it) 1988-08-04
FR2619158A1 (fr) 1989-02-10
DE3825951C2 (de) 1999-05-27
GB2208529B (en) 1992-03-18

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950829