DE69621821D1 - Faltbare schraube - Google Patents
Faltbare schraubeInfo
- Publication number
- DE69621821D1 DE69621821D1 DE69621821T DE69621821T DE69621821D1 DE 69621821 D1 DE69621821 D1 DE 69621821D1 DE 69621821 T DE69621821 T DE 69621821T DE 69621821 T DE69621821 T DE 69621821T DE 69621821 D1 DE69621821 D1 DE 69621821D1
- Authority
- DE
- Germany
- Prior art keywords
- foldable screw
- foldable
- screw
- 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 - Lifetime
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/02—Formulas of curves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/05—Variable camber or chord length
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9504253A SE509770C2 (sv) | 1995-11-28 | 1995-11-28 | Propeller |
PCT/SE1996/001552 WO1997019849A1 (en) | 1995-11-28 | 1996-11-27 | Foldable propeller |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69621821D1 true DE69621821D1 (de) | 2002-07-18 |
DE69621821T2 DE69621821T2 (de) | 2003-02-06 |
Family
ID=20400390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69621821T Expired - Lifetime DE69621821T2 (de) | 1995-11-28 | 1996-11-27 | Faltbare schraube |
Country Status (7)
Country | Link |
---|---|
US (1) | US6371726B1 (de) |
EP (1) | EP0863836B1 (de) |
JP (1) | JP4197737B2 (de) |
AU (1) | AU711398B2 (de) |
DE (1) | DE69621821T2 (de) |
SE (1) | SE509770C2 (de) |
WO (1) | WO1997019849A1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6672839B2 (en) * | 2001-11-16 | 2004-01-06 | Hp Intellectual Corp. | Fan wheel |
US6860713B2 (en) * | 2002-11-27 | 2005-03-01 | Nidec Corporation | Fan with collapsible blades, redundant fan system, and related method |
US7040940B2 (en) | 2004-04-20 | 2006-05-09 | Ab Volvo | Rotatable lifting surface device having selected pitch distribution and camber profile |
FR2869586B1 (fr) * | 2004-04-30 | 2006-06-16 | Alstom Sa | Ensemble de propulsion pour navire, comprenant une nacelle destinee a une installation sous la carene du navire |
KR20050073437A (ko) * | 2005-06-22 | 2005-07-13 | 정찬희 | 프로펠러에 있어서 캐비테이션 저감방법 및 수단 |
US8328412B2 (en) * | 2008-06-20 | 2012-12-11 | Philadelphia Mixing Solutions, Ltd. | Combined axial-radial intake impeller with circular rake |
US8951018B1 (en) | 2010-01-29 | 2015-02-10 | Brp Us Inc. | Variable pitch propeller and associated propeller blade |
US20130067798A1 (en) * | 2011-09-19 | 2013-03-21 | Steve KELTNER | Fly repeller |
DK178074B1 (en) * | 2013-10-14 | 2015-05-04 | Flexofold Aps | Folding propeller |
GB201415491D0 (en) * | 2014-09-02 | 2014-10-15 | Superprop Ltd | Propeller |
DK3237284T3 (da) | 2014-12-23 | 2019-08-19 | Esmar Eng Aps | Sammenfoldelig, afskærmet fremdrivningsenhed gennem et medium, såsom vand, og et fartøj med en sådan enhed |
US9616991B2 (en) | 2015-05-01 | 2017-04-11 | Peter Daniel WIRASNIK | Mechanically self-regulated propeller |
DK179125B1 (en) | 2016-02-18 | 2017-11-20 | Flexofold Aps | Folding propeller |
US10597118B2 (en) * | 2016-09-12 | 2020-03-24 | Kai Concepts, LLC | Watercraft device with hydrofoil and electric propeller system |
DK179393B1 (en) | 2017-06-19 | 2018-05-28 | Flexofold Aps | Foldable propeller and method for assembly |
DE102017116516B3 (de) * | 2017-07-21 | 2019-01-24 | Promarin Propeller Und Marinetechnik Gmbh | Propeller für ein Wasserfahrzeug |
US10780975B2 (en) | 2018-04-27 | 2020-09-22 | Wing Aviation Llc | Clip-on propeller mount |
US10843795B2 (en) | 2018-06-13 | 2020-11-24 | Wing Aviation Llc | Folding concentrically mounted propeller blades for drag reduction |
CN110001881A (zh) * | 2019-03-30 | 2019-07-12 | 杨凯 | 一种采用变桨进行操控的游乐船 |
US11596907B1 (en) * | 2019-06-14 | 2023-03-07 | Aeration Industries International, Llc | Apparatus for treating fluids having improved aeration efficiency and operational durability |
SE544385C2 (en) * | 2019-09-23 | 2022-05-03 | Volvo Penta Corp | Propeller combination for a marine vessel |
US11897583B2 (en) | 2020-04-22 | 2024-02-13 | Kai Concepts, LLC | Watercraft device with hydrofoil and electric propulsion system |
US10946939B1 (en) | 2020-04-22 | 2021-03-16 | Kai Concepts, LLC | Watercraft having a waterproof container and a waterproof electrical connector |
DE102021102842A1 (de) * | 2021-02-08 | 2022-08-11 | Torqeedo Gmbh | Faltpropeller für ein Wasserfahrzeug |
CN112937821A (zh) * | 2021-03-09 | 2021-06-11 | 北京航空航天大学 | 一种双驱动可折叠共轴螺旋桨装置 |
US11754035B2 (en) | 2021-04-12 | 2023-09-12 | Loubert S. Suddaby | Assembly for capturing oscillating fluid energy with hinged propeller and segmented driveshaft |
US11485457B1 (en) | 2021-06-14 | 2022-11-01 | Kai Concepts, LLC | Hydrojet propulsion system |
US11878775B2 (en) | 2021-07-13 | 2024-01-23 | Kai Concepts, LLC | Leash system and methods of use |
KR102592023B1 (ko) * | 2021-11-03 | 2023-10-19 | 한국항공우주연구원 | 항공기용 프로펠러 허브 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU4050978A (en) * | 1977-10-11 | 1980-04-17 | Spijkstra S | Propeller |
US4306839A (en) * | 1979-08-23 | 1981-12-22 | The United States Of America As Represented By The Secretary Of The Navy | Semi-tandem marine propeller |
US4331429A (en) * | 1979-12-26 | 1982-05-25 | Brunswick Corporation | Symmetrical propeller |
US4609827A (en) * | 1984-10-09 | 1986-09-02 | Nepple Richard E | Synchro-vane vertical axis wind powered generator |
JPH069999B2 (ja) * | 1985-08-20 | 1994-02-09 | 三菱重工業株式会社 | 舶用可変ピツチプロペラ |
US4789306A (en) * | 1985-11-15 | 1988-12-06 | Attwood Corporation | Marine propeller |
DK139291D0 (da) * | 1991-07-25 | 1991-07-25 | Gori Marine A S | Foldepropel med mindst tre blade |
DK71892D0 (da) * | 1992-05-29 | 1992-05-29 | Gori 1902 As | Propel med optimal nyttevirkning ved frem- og baksejlads |
-
1995
- 1995-11-28 SE SE9504253A patent/SE509770C2/sv unknown
-
1996
- 1996-11-27 JP JP50605697A patent/JP4197737B2/ja not_active Expired - Lifetime
- 1996-11-27 EP EP96940224A patent/EP0863836B1/de not_active Expired - Lifetime
- 1996-11-27 DE DE69621821T patent/DE69621821T2/de not_active Expired - Lifetime
- 1996-11-27 WO PCT/SE1996/001552 patent/WO1997019849A1/en active IP Right Grant
- 1996-11-27 AU AU77163/96A patent/AU711398B2/en not_active Expired
-
2000
- 2000-10-02 US US09/676,858 patent/US6371726B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0863836B1 (de) | 2002-06-12 |
SE9504253L (sv) | 1997-05-29 |
JP2000500086A (ja) | 2000-01-11 |
SE509770C2 (sv) | 1999-03-08 |
AU711398B2 (en) | 1999-10-14 |
US6371726B1 (en) | 2002-04-16 |
DE69621821T2 (de) | 2003-02-06 |
WO1997019849A1 (en) | 1997-06-05 |
EP0863836A1 (de) | 1998-09-16 |
AU7716396A (en) | 1997-06-19 |
SE9504253D0 (sv) | 1995-11-28 |
JP4197737B2 (ja) | 2008-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |