CA1161763A - Viscous damper with rotor centering means - Google Patents

Viscous damper with rotor centering means

Info

Publication number
CA1161763A
CA1161763A CA000386292A CA386292A CA1161763A CA 1161763 A CA1161763 A CA 1161763A CA 000386292 A CA000386292 A CA 000386292A CA 386292 A CA386292 A CA 386292A CA 1161763 A CA1161763 A CA 1161763A
Authority
CA
Canada
Prior art keywords
rotor
bearing
shaft
blades
cavity
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
Application number
CA000386292A
Other languages
English (en)
French (fr)
Inventor
Wesley B. Hill
Willard J. Siebert
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.)
RTX Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of CA1161763A publication Critical patent/CA1161763A/en
Expired 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/162—Bearing supports
    • F01D25/164—Flexible supports; Vibration damping means associated with the bearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • F16C27/045—Ball or roller bearings, e.g. with resilient rolling bodies with a fluid film, e.g. squeeze film damping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
    • F16C19/26—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/23—Gas turbine engines

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Support Of The Bearing (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CA000386292A 1980-12-11 1981-09-21 Viscous damper with rotor centering means Expired CA1161763A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21530280A 1980-12-11 1980-12-11
US215,302 1980-12-11

Publications (1)

Publication Number Publication Date
CA1161763A true CA1161763A (en) 1984-02-07

Family

ID=22802443

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000386292A Expired CA1161763A (en) 1980-12-11 1981-09-21 Viscous damper with rotor centering means

Country Status (4)

Country Link
JP (2) JPS57173613A (enrdf_load_stackoverflow)
CA (1) CA1161763A (enrdf_load_stackoverflow)
FR (1) FR2496169B1 (enrdf_load_stackoverflow)
GB (1) GB2089442B (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57179418A (en) * 1981-04-30 1982-11-05 Hitachi Ltd Flexible damping bearing
US4429923A (en) * 1981-12-08 1984-02-07 United Technologies Corporation Bearing support structure
US4453783A (en) * 1981-12-28 1984-06-12 United Technologies Corporation Bearing support structure
US4570045A (en) * 1984-03-08 1986-02-11 Jeppson Morris R Conveyorized microwave heating chamber with dielectric wall structure
GB8421142D0 (en) * 1984-08-20 1984-09-26 Brown R D Damping device
US4657410A (en) * 1986-03-25 1987-04-14 United Technologies Corporation Nutation damper
DE4019720A1 (de) * 1990-06-21 1992-01-09 Bmw Rolls Royce Gmbh Druckflusskalibrierung beim quetschoeldaempfer
RU2386831C1 (ru) * 2008-10-14 2010-04-20 Открытое акционерное общество "Авиадвигатель" Упругодемпферная опора газотурбинного двигателя
FR3009843B1 (fr) * 2013-08-26 2015-09-25 Snecma Colonnettes de support d'une bague exterieure de palier de roulement pour turbomachine d'aeronef, et procede de montage desdites colonnettes
US9488071B2 (en) 2015-03-27 2016-11-08 United Technologies Corporation Piston ring anti-rotation
FR3085408B1 (fr) * 2018-08-28 2020-08-07 Safran Aircraft Engines Perfectionnements aux turbomachines
FR3120899B1 (fr) * 2021-03-18 2023-05-26 Safran Aircraft Engines Dispositif de centrage et de guidage d’un arbre de turbomachine d’aeronef

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB928250A (en) * 1962-01-12 1963-06-12 Rolls Royce Bearing
GB988500A (en) * 1964-02-21 1965-04-07 Rolls Royce Bearing
US3456992A (en) * 1967-04-07 1969-07-22 Curtiss Wright Corp Vibration damping device
GB1421377A (en) * 1972-04-18 1976-01-14 Rolls Royce Bearing assemblies
US3994541A (en) * 1975-10-03 1976-11-30 Carrier Corporation Bearing assembly
US4214796A (en) * 1978-10-19 1980-07-29 General Electric Company Bearing assembly with multiple squeeze film damper apparatus
GB2033024A (en) * 1978-10-19 1980-05-14 Gen Electric Bearing assembly with resilient support means

Also Published As

Publication number Publication date
JPH02119521U (enrdf_load_stackoverflow) 1990-09-26
GB2089442B (en) 1985-03-27
FR2496169B1 (fr) 1988-04-29
FR2496169A1 (fr) 1982-06-18
GB2089442A (en) 1982-06-23
JPS57173613A (en) 1982-10-26

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Legal Events

Date Code Title Description
MKEX Expiry