FR2280811A1 - Dispositif de changement du pas avec engrenage differentiel - Google Patents

Dispositif de changement du pas avec engrenage differentiel

Info

Publication number
FR2280811A1
FR2280811A1 FR7523574A FR7523574A FR2280811A1 FR 2280811 A1 FR2280811 A1 FR 2280811A1 FR 7523574 A FR7523574 A FR 7523574A FR 7523574 A FR7523574 A FR 7523574A FR 2280811 A1 FR2280811 A1 FR 2280811A1
Authority
FR
France
Prior art keywords
differential gear
change device
pitch change
pitch
differential
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.)
Granted
Application number
FR7523574A
Other languages
English (en)
Other versions
FR2280811B1 (fr
Inventor
Robert Alan Schwartz
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.)
Raytheon Technologies 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
Publication of FR2280811A1 publication Critical patent/FR2280811A1/fr
Application granted granted Critical
Publication of FR2280811B1 publication Critical patent/FR2280811B1/fr
Granted 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
    • F01D7/00—Rotors with blades adjustable in operation; Control thereof
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Retarders (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7523574A 1974-07-31 1975-07-29 Dispositif de changement du pas avec engrenage differentiel Granted FR2280811A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US493933A US3904315A (en) 1974-07-31 1974-07-31 Pitch change signal means with differential gearing

Publications (2)

Publication Number Publication Date
FR2280811A1 true FR2280811A1 (fr) 1976-02-27
FR2280811B1 FR2280811B1 (fr) 1979-05-11

Family

ID=23962321

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7523574A Granted FR2280811A1 (fr) 1974-07-31 1975-07-29 Dispositif de changement du pas avec engrenage differentiel

Country Status (4)

Country Link
US (1) US3904315A (fr)
JP (1) JPS5855339B2 (fr)
FR (1) FR2280811A1 (fr)
GB (1) GB1516364A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5282719A (en) * 1991-05-13 1994-02-01 Alliedsignal Inc. Quad mode fan pitch actuation system for a gas turbine engine
US5205712A (en) * 1991-05-13 1993-04-27 Allied-Signal Inc. Variable pitch fan gas turbine engine
GB0614302D0 (en) * 2006-07-19 2006-08-30 Rolls Royce Plc An engine arrangement
FR2911930A1 (fr) * 2007-01-26 2008-08-01 Snecma Sa Turbopropulseur a helice a pas reglable
FR2942615B1 (fr) * 2009-02-27 2011-04-01 Snecma Dispositif a helices contrarotatives ayant un moyen de changement de pas des helices

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1553936A (fr) * 1966-12-05 1969-01-17
GB1195962A (en) * 1967-08-12 1970-06-24 Rolls Royce Gear.
GB1265150A (fr) * 1968-06-22 1972-03-01
GB1294898A (fr) * 1969-12-13 1972-11-01
GB1350431A (en) * 1971-01-08 1974-04-18 Secr Defence Gearing
US3801219A (en) * 1971-05-05 1974-04-02 Jerome A Gross Controllable pitch maripropeller
GB1375988A (en) * 1971-12-11 1974-12-04 Rolls Royce Pitch varying mechanism for variable pitch fan

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
GB1516364A (en) 1978-07-05
US3904315A (en) 1975-09-09
JPS5141117A (fr) 1976-04-06
FR2280811B1 (fr) 1979-05-11
JPS5855339B2 (ja) 1983-12-09

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Legal Events

Date Code Title Description
ST Notification of lapse