FR528957A - Dispositif pour améliorer le rendement des hélices propulsives ou tractives et des autres appareils hélicoidaux similaires - Google Patents

Dispositif pour améliorer le rendement des hélices propulsives ou tractives et des autres appareils hélicoidaux similaires

Info

Publication number
FR528957A
FR528957A FR528957A FR528957DA FR528957A FR 528957 A FR528957 A FR 528957A FR 528957 A FR528957 A FR 528957A FR 528957D A FR528957D A FR 528957DA FR 528957 A FR528957 A FR 528957A
Authority
FR
France
Prior art keywords
propulsion
improving
efficiency
similar helical
helical devices
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
FR528957A
Other languages
English (en)
Inventor
Andre-Hippolyte Gambin
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.)
ANDRE HIPPOLYTE GAMBIN
Original Assignee
ANDRE HIPPOLYTE GAMBIN
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 ANDRE HIPPOLYTE GAMBIN filed Critical ANDRE HIPPOLYTE GAMBIN
Application granted granted Critical
Publication of FR528957A publication Critical patent/FR528957A/fr
Expired 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
    • B63H1/26—Blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
    • B64C11/48—Units of two or more coaxial propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
    • B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type
    • B63H2005/103—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type of co-rotative type, i.e. rotating in the same direction, e.g. twin propellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
FR528957A 1920-12-23 1920-12-23 Dispositif pour améliorer le rendement des hélices propulsives ou tractives et des autres appareils hélicoidaux similaires Expired FR528957A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR528957T 1920-12-23

Publications (1)

Publication Number Publication Date
FR528957A true FR528957A (fr) 1921-11-22

Family

ID=8922402

Family Applications (1)

Application Number Title Priority Date Filing Date
FR528957A Expired FR528957A (fr) 1920-12-23 1920-12-23 Dispositif pour améliorer le rendement des hélices propulsives ou tractives et des autres appareils hélicoidaux similaires

Country Status (1)

Country Link
FR (1) FR528957A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619584A (en) * 1981-03-05 1986-10-28 Ab Volvo Penta Double propeller drive for boats
US4623299A (en) * 1984-01-14 1986-11-18 Harmstorf Ag Driving arrangement for watercraft

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619584A (en) * 1981-03-05 1986-10-28 Ab Volvo Penta Double propeller drive for boats
US4623299A (en) * 1984-01-14 1986-11-18 Harmstorf Ag Driving arrangement for watercraft

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