FR2218472A1 - - Google Patents

Info

Publication number
FR2218472A1
FR2218472A1 FR7405263A FR7405263A FR2218472A1 FR 2218472 A1 FR2218472 A1 FR 2218472A1 FR 7405263 A FR7405263 A FR 7405263A FR 7405263 A FR7405263 A FR 7405263A FR 2218472 A1 FR2218472 A1 FR 2218472A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7405263A
Other languages
French (fr)
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.)
Dowty Rotol Ltd
Original Assignee
Dowty Rotol Ltd
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 Dowty Rotol Ltd filed Critical Dowty Rotol Ltd
Publication of FR2218472A1 publication Critical patent/FR2218472A1/fr
Withdrawn legal-status Critical Current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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7405263A 1973-02-17 1974-02-15 Withdrawn FR2218472A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB788973 1973-02-17
GB788873A GB1451070A (en) 1973-02-17 1973-02-17 Bladed rotors suitable for gas turbine ducted-fan engines

Publications (1)

Publication Number Publication Date
FR2218472A1 true FR2218472A1 (zh) 1974-09-13

Family

ID=26241731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7405263A Withdrawn FR2218472A1 (zh) 1973-02-17 1974-02-15

Country Status (2)

Country Link
FR (1) FR2218472A1 (zh)
GB (1) GB1451070A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114776853A (zh) * 2022-03-18 2022-07-22 衢州学院 一种调压范围宽抗污染能力强蜗轮蜗杆式溢流阀

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2592124A (en) * 1950-05-25 1952-04-08 United Aircraft Corp Pitch lock and actuating valve therefor
US2718903A (en) * 1949-10-08 1955-09-27 Thompson Prod Inc Pilot valve assembly for a fuel control unit
US2910126A (en) * 1956-12-18 1959-10-27 United Aircraft Corp Hydraulic system for adjustable pitch aeronautical propeller
US3091295A (en) * 1956-03-19 1963-05-28 Gen Motors Corp Variable pitch propeller assembly for multi-power plant aircraft

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2718903A (en) * 1949-10-08 1955-09-27 Thompson Prod Inc Pilot valve assembly for a fuel control unit
US2592124A (en) * 1950-05-25 1952-04-08 United Aircraft Corp Pitch lock and actuating valve therefor
US3091295A (en) * 1956-03-19 1963-05-28 Gen Motors Corp Variable pitch propeller assembly for multi-power plant aircraft
US2910126A (en) * 1956-12-18 1959-10-27 United Aircraft Corp Hydraulic system for adjustable pitch aeronautical propeller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114776853A (zh) * 2022-03-18 2022-07-22 衢州学院 一种调压范围宽抗污染能力强蜗轮蜗杆式溢流阀
CN114776853B (zh) * 2022-03-18 2023-04-25 衢州学院 一种调压范围宽抗污染能力强蜗轮蜗杆式溢流阀

Also Published As

Publication number Publication date
GB1451070A (en) 1976-09-29

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Legal Events

Date Code Title Description
ST Notification of lapse