FR988584A - Method and devices for modifying the shape of helical apparatus - Google Patents

Method and devices for modifying the shape of helical apparatus

Info

Publication number
FR988584A
FR988584A FR988584DA FR988584A FR 988584 A FR988584 A FR 988584A FR 988584D A FR988584D A FR 988584DA FR 988584 A FR988584 A FR 988584A
Authority
FR
France
Prior art keywords
modifying
devices
shape
helical apparatus
helical
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
Other languages
French (fr)
Inventor
Camille-Charles Duchaussoy
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.)
CIE GEN EQUIP AERONAUTIQUE
Original Assignee
CIE GEN EQUIP AERONAUTIQUE
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 CIE GEN EQUIP AERONAUTIQUE filed Critical CIE GEN EQUIP AERONAUTIQUE
Application granted granted Critical
Publication of FR988584A publication Critical patent/FR988584A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C11/00Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30Blade pitch-changing mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR988584D 1944-01-14 1944-01-14 Method and devices for modifying the shape of helical apparatus Expired FR988584A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR988584T 1944-01-14

Publications (1)

Publication Number Publication Date
FR988584A true FR988584A (en) 1951-08-29

Family

ID=9539592

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988584D Expired FR988584A (en) 1944-01-14 1944-01-14 Method and devices for modifying the shape of helical apparatus

Country Status (1)

Country Link
FR (1) FR988584A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585392A (en) * 1983-12-15 1986-04-29 Alfred Curci Bladed rotor system and pitch controls therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585392A (en) * 1983-12-15 1986-04-29 Alfred Curci Bladed rotor system and pitch controls therefor

Similar Documents

Publication Publication Date Title
FR988584A (en) Method and devices for modifying the shape of helical apparatus
FR945666A (en) Method and device for adapting the impedance
FR1040122A (en) Method and apparatus for the deionization of solutions
FR902792A (en) Method and device for the decomposition of alkaline amalgams
FR918887A (en) Method and apparatus for the production of halftone negatives
FR991697A (en) Method and apparatus for ionizing solutions
FR935378A (en) Process and device for the manufacture of viscose
FR1024614A (en) Method and apparatus for the manufacture of celluloses and semi-celluloses
FR991618A (en) Method and apparatus for producing the relief effect in cinematography
CH296736A (en) Method and apparatus for the extrusion coating of elongated parts.
FR905274A (en) Letter-envelope and the process for obtaining it
FR1051128A (en) Method and apparatus for the production of fumes
FR67211E (en) Method and apparatus for the production of fumes
FR915572A (en) Method and apparatus for the production of magnesium
FR982585A (en) Process and apparatus for the manufacture of nitrophosphates
FR907422A (en) Method and apparatus for repairing the trough of the channels
FR918015A (en) Method and apparatus for the production of calcium
FR903220A (en) Method and device for the synthesis of tetrachloroethane
BE454864A (en) Process for the treatment of acetalization mixtures
FR994088A (en) Method, apparatus and installation for announcing vehicle movements
FR913225A (en) Process and apparatus for the manufacture of panels
FR975606A (en) Process and apparatus for the manufacture of fertilizers
FR992171A (en) Method and apparatus for the manufacture of plates
FR980779A (en) Process and apparatus for the exploitation of oil fields
FR908503A (en) Apparatus for re-rubberizing used tires and method of applying it