ZA933711B - A propeller having optimum efficiency in forward and rearward navigation - Google Patents

A propeller having optimum efficiency in forward and rearward navigation

Info

Publication number
ZA933711B
ZA933711B ZA933711A ZA933711A ZA933711B ZA 933711 B ZA933711 B ZA 933711B ZA 933711 A ZA933711 A ZA 933711A ZA 933711 A ZA933711 A ZA 933711A ZA 933711 B ZA933711 B ZA 933711B
Authority
ZA
South Africa
Prior art keywords
propeller
pct
blade
hub
sec
Prior art date
Application number
ZA933711A
Other languages
English (en)
Inventor
Steen Christian Olesen
Sune Ehrenskjold
Original Assignee
Gori Af 1902 A S
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 Gori Af 1902 A S filed Critical Gori Af 1902 A S
Publication of ZA933711B publication Critical patent/ZA933711B/xx

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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Transmission Devices (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Motor Power Transmission Devices (AREA)
  • Wind Motors (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Circuits Of Receivers In General (AREA)
  • Paper (AREA)
ZA933711A 1992-05-29 1993-05-27 A propeller having optimum efficiency in forward and rearward navigation ZA933711B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK92718A DK71892D0 (da) 1992-05-29 1992-05-29 Propel med optimal nyttevirkning ved frem- og baksejlads

Publications (1)

Publication Number Publication Date
ZA933711B true ZA933711B (en) 1993-12-15

Family

ID=8096743

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA933711A ZA933711B (en) 1992-05-29 1993-05-27 A propeller having optimum efficiency in forward and rearward navigation

Country Status (10)

Country Link
US (1) US5573373A (fr)
EP (1) EP0642437B1 (fr)
JP (1) JPH07507019A (fr)
CN (1) CN1079702A (fr)
AT (1) ATE150714T1 (fr)
AU (1) AU4310593A (fr)
DE (1) DE69309268T2 (fr)
DK (2) DK71892D0 (fr)
WO (1) WO1993024360A1 (fr)
ZA (1) ZA933711B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPN617295A0 (en) * 1995-10-25 1995-11-16 Tristream Propeller Company Pty Limited An improved propeller
SE509770C2 (sv) * 1995-11-28 1999-03-08 Volvo Penta Ab Propeller
TWI515147B (zh) * 2013-06-07 2016-01-01 國立臺灣海洋大學 擴散型端板螺槳
GB201415491D0 (en) * 2014-09-02 2014-10-15 Superprop Ltd Propeller
CN108361145B (zh) * 2018-01-30 2019-12-27 中国海洋大学 一种基于传统威尔斯式透平进行优化的自俯仰控制叶片式透平
US20200140077A1 (en) * 2018-11-01 2020-05-07 Bell Helicopter Textron Inc. Bidirectional aircraft rotor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532371A (en) * 1946-07-19 1950-12-05 Werner H Petersen Feathering reversible propeller
AU462846B2 (en) * 1972-02-03 1975-07-10 Walter Beck David Folding boat propeller assembly
NO138520C (no) * 1973-07-11 1978-09-20 Gori Vaerk As Propell med sammenfellbare propellblad, saerlig for seilbaater med stasjonaer hjelpemotor
DK602374A (da) * 1974-11-20 1976-05-21 Gori Vaerk As Propel
US3982853A (en) * 1975-07-23 1976-09-28 David Walter Beck Folding boat propeller

Also Published As

Publication number Publication date
EP0642437A1 (fr) 1995-03-15
CN1079702A (zh) 1993-12-22
DE69309268T2 (de) 1997-10-30
AU4310593A (en) 1993-12-30
US5573373A (en) 1996-11-12
DK71892D0 (da) 1992-05-29
DE69309268D1 (de) 1997-04-30
DK0642437T3 (da) 1997-10-13
EP0642437B1 (fr) 1997-03-26
WO1993024360A1 (fr) 1993-12-09
ATE150714T1 (de) 1997-04-15
JPH07507019A (ja) 1995-08-03

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