FR2004574B1 - - Google Patents

Info

Publication number
FR2004574B1
FR2004574B1 FR6908497A FR6908497A FR2004574B1 FR 2004574 B1 FR2004574 B1 FR 2004574B1 FR 6908497 A FR6908497 A FR 6908497A FR 6908497 A FR6908497 A FR 6908497A FR 2004574 B1 FR2004574 B1 FR 2004574B1
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.)
Expired
Application number
FR6908497A
Other versions
FR2004574A1 (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.)
MINI TECHNOLOGY
Original Assignee
MINI TECHNOLOGY
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 MINI TECHNOLOGY filed Critical MINI TECHNOLOGY
Publication of FR2004574A1 publication Critical patent/FR2004574A1/fr
Application granted granted Critical
Publication of FR2004574B1 publication Critical patent/FR2004574B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Toys (AREA)
FR6908497A 1968-03-22 1969-03-21 Expired FR2004574B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB03885/68A GB1218386A (en) 1968-03-22 1968-03-22 Improvements in or relating to blades for helicopters and like rotors

Publications (2)

Publication Number Publication Date
FR2004574A1 FR2004574A1 (fr) 1969-11-28
FR2004574B1 true FR2004574B1 (fr) 1973-10-19

Family

ID=10031132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6908497A Expired FR2004574B1 (fr) 1968-03-22 1969-03-21

Country Status (4)

Country Link
US (1) US3580693A (fr)
DE (1) DE1914570A1 (fr)
FR (1) FR2004574B1 (fr)
GB (1) GB1218386A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936013A (en) * 1973-12-17 1976-02-03 Shao Wen Yuan Vortex control

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333555A (en) * 1941-10-22 1943-11-02 Prucha Emil John Silent propeller
US2759548A (en) * 1953-04-02 1956-08-21 Yuan Shao Wen Lift rotor control
US3109494A (en) * 1961-04-13 1963-11-05 Power Jets Res & Dev Ltd Aerofoil systems
US3109499A (en) * 1961-05-29 1963-11-05 Klein Fritz Aircraft propeller with centrifugally induced air flow control features
US3139936A (en) * 1961-12-28 1964-07-07 Power Jets Res & Dev Ltd Helicopter control mechanism
GB1073418A (en) * 1964-10-20 1967-06-28 Power Jeis Res And Dev Ltd Helicopter rotor

Also Published As

Publication number Publication date
GB1218386A (en) 1971-01-06
DE1914570A1 (de) 1969-10-09
US3580693A (en) 1971-05-25
FR2004574A1 (fr) 1969-11-28

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Legal Events

Date Code Title Description
ST Notification of lapse