FR2440869A1 - IMPROVEMENTS TO MARINE PROPELLERS WITH FOLDABLE BLADES - Google Patents

IMPROVEMENTS TO MARINE PROPELLERS WITH FOLDABLE BLADES

Info

Publication number
FR2440869A1
FR2440869A1 FR7831593A FR7831593A FR2440869A1 FR 2440869 A1 FR2440869 A1 FR 2440869A1 FR 7831593 A FR7831593 A FR 7831593A FR 7831593 A FR7831593 A FR 7831593A FR 2440869 A1 FR2440869 A1 FR 2440869A1
Authority
FR
France
Prior art keywords
propeller
blades
foldable blades
marine propellers
foldable
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
FR7831593A
Other languages
French (fr)
Other versions
FR2440869B1 (en
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.)
RENAULT MARINE COUACH
Original Assignee
RENAULT MARINE COUACH
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 RENAULT MARINE COUACH filed Critical RENAULT MARINE COUACH
Priority to FR7831593A priority Critical patent/FR2440869A1/en
Priority to EP19790400834 priority patent/EP0011552B1/en
Priority to DE7979400834T priority patent/DE2966338D1/en
Publication of FR2440869A1 publication Critical patent/FR2440869A1/en
Application granted granted Critical
Publication of FR2440869B1 publication Critical patent/FR2440869B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/20—Hubs; Blade connections
    • B63H1/22—Hubs; Blade connections the blades being foldable
    • B63H1/24—Hubs; Blade connections the blades being foldable automatically foldable or unfoldable

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

L'INVENTION EST RELATIVE A UNE HELICE MARINE A PALES REPLIABLES. LES PALES 1 ET 2 DE L'HELICE SONT RELIEES PAR UN MECANISME DE SYNCHRONISATION 6 COMPORTANT UNE PIECE DE LIAISON 7 MONTEE COULISSANTE AXIALEMENT DANS L'EMBOUT 3 DE L'ARBRE PORTE-HELICE 3. APPLICATION : HELICE POUR VOILIER A MOTEUR AUXILIAIRE INTERIEUR.THE INVENTION RELATES TO A MARINE PROPELLER WITH FOLDABLE BLADES. THE BLADES 1 AND 2 OF THE PROPELLER ARE CONNECTED BY A SYNCHRONIZATION MECHANISM 6 INCLUDING A CONNECTION PART 7 SLIDING AXIALLY IN THE END 3 OF THE PROPELLER SHAFT 3. APPLICATION: PROPELLER FOR SAILBOATS WITH INTERNAL AUXILIARY MOTOR.

FR7831593A 1978-11-08 1978-11-08 IMPROVEMENTS TO MARINE PROPELLERS WITH FOLDABLE BLADES Granted FR2440869A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7831593A FR2440869A1 (en) 1978-11-08 1978-11-08 IMPROVEMENTS TO MARINE PROPELLERS WITH FOLDABLE BLADES
EP19790400834 EP0011552B1 (en) 1978-11-08 1979-11-08 Marine propeller with foldable blades
DE7979400834T DE2966338D1 (en) 1978-11-08 1979-11-08 Marine propeller with foldable blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7831593A FR2440869A1 (en) 1978-11-08 1978-11-08 IMPROVEMENTS TO MARINE PROPELLERS WITH FOLDABLE BLADES

Publications (2)

Publication Number Publication Date
FR2440869A1 true FR2440869A1 (en) 1980-06-06
FR2440869B1 FR2440869B1 (en) 1981-12-31

Family

ID=9214614

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7831593A Granted FR2440869A1 (en) 1978-11-08 1978-11-08 IMPROVEMENTS TO MARINE PROPELLERS WITH FOLDABLE BLADES

Country Status (3)

Country Link
EP (1) EP0011552B1 (en)
DE (1) DE2966338D1 (en)
FR (1) FR2440869A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6972956B2 (en) 2003-01-16 2005-12-06 Hewlett-Packard Development Company, L.P. Collapsible fan and system and method incorporating same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE411631C (en) * 1924-06-13 1925-03-28 Hellmuth Hirth Auxiliary propeller for gliders
DE712934C (en) * 1936-07-01 1941-10-29 Hermann Dorner Dipl Ing Double-bladed propeller with blades that can be pivoted into the rotating axis of the screw
US2500382A (en) * 1945-07-20 1950-03-14 Elton H Rowley Folding propeller

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE411631C (en) * 1924-06-13 1925-03-28 Hellmuth Hirth Auxiliary propeller for gliders
DE712934C (en) * 1936-07-01 1941-10-29 Hermann Dorner Dipl Ing Double-bladed propeller with blades that can be pivoted into the rotating axis of the screw
US2500382A (en) * 1945-07-20 1950-03-14 Elton H Rowley Folding propeller

Also Published As

Publication number Publication date
FR2440869B1 (en) 1981-12-31
DE2966338D1 (en) 1983-11-24
EP0011552B1 (en) 1983-10-19
EP0011552A1 (en) 1980-05-28

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse