FI753220A - - Google Patents
Info
- Publication number
- FI753220A FI753220A FI753220A FI753220A FI753220A FI 753220 A FI753220 A FI 753220A FI 753220 A FI753220 A FI 753220A FI 753220 A FI753220 A FI 753220A FI 753220 A FI753220 A FI 753220A
- Authority
- FI
- Finland
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H3/00—Propeller-blade pitch changing
- B63H3/008—Propeller-blade pitch changing characterised by self-adjusting pitch, e.g. by means of springs, centrifugal forces, hydrodynamic forces
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Laminated Bodies (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7414374A SE392082B (sv) | 1974-11-15 | 1974-11-15 | Propellerblad till en sjelvflojlande propeller for batar |
Publications (1)
Publication Number | Publication Date |
---|---|
FI753220A true FI753220A (xx) | 1976-05-16 |
Family
ID=20322706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI753220A FI753220A (xx) | 1974-11-15 | 1975-11-14 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4047841A (xx) |
AU (1) | AU504647B2 (xx) |
FI (1) | FI753220A (xx) |
NO (1) | NO138521C (xx) |
SE (1) | SE392082B (xx) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4140434A (en) * | 1975-12-29 | 1979-02-20 | Massimiliano Bianchi | Feathering propeller especially for sailing boats |
US4682935A (en) * | 1983-12-12 | 1987-07-28 | General Electric Company | Bowed turbine blade |
US4693671A (en) * | 1986-08-28 | 1987-09-15 | Tramtec Corporation | Reversible self-adjusting propeller device |
US4726737A (en) * | 1986-10-28 | 1988-02-23 | United Technologies Corporation | Reduced loss swept supersonic fan blade |
EP0303917B1 (en) * | 1987-08-21 | 1991-10-30 | Ishikawajima-Harima Heavy Industries Co., Ltd. | Fluid apparatus |
US5232345A (en) * | 1989-03-21 | 1993-08-03 | Marine Propeller s.r.l. Costrusioni Eliche a Passo Variabile | Feathering propeller with a manually adjustable pitch |
IT1243015B (it) * | 1990-09-19 | 1994-05-23 | Santa Caterina Di Brena Ada & | Elica a pale orientabili e abbattibili |
US5209643A (en) * | 1991-03-27 | 1993-05-11 | The Cessna Aircraft Company | Tapered propeller blade design |
US5433586A (en) * | 1991-03-27 | 1995-07-18 | Cessna Aircraft Company | Tapered propeller blade design |
US5554003A (en) * | 1995-05-31 | 1996-09-10 | Hall; Arnold M. | Controllable pitch propeller for propulsor and hydroturbine |
GB2345732B (en) * | 1999-01-18 | 2002-11-20 | Orian Technology | Propeller |
ITGE20020003A1 (it) * | 2002-01-09 | 2003-07-09 | Francesco Siri | Pala per elica |
US7946818B2 (en) * | 2003-12-30 | 2011-05-24 | Marine Propeller S.R.L. | Shock absorber for adjustable pitch propeller with feathering blades, particularly for sailers |
US8061055B2 (en) * | 2007-05-07 | 2011-11-22 | Megtec Systems, Inc. | Step air foil web stabilizer |
US20130202436A1 (en) * | 2010-07-15 | 2013-08-08 | Max Prop S.R.L. | Feathering propeller with blade dampening at forward and backward motion and blades pitch control during backward motion |
CN106218886B (zh) * | 2016-08-18 | 2024-08-20 | 上海未来伙伴机器人有限公司 | 多旋翼机桨叶以及多旋翼机 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US608265A (en) * | 1898-08-02 | Automatic feathering-blade propeller | ||
US793373A (en) * | 1904-05-04 | 1905-06-27 | Ebenezer Hill | Feathering screw-propeller. |
GB191222441A (en) * | 1912-10-02 | 1913-02-13 | Joaquim Ribeiro Da Costa | An Improved Propeller Blade. |
US1520746A (en) * | 1923-06-29 | 1924-12-30 | Fred F Boyce | Propeller |
US1600654A (en) * | 1926-02-02 | 1926-09-21 | Frank W Stodder | Self-adjusting propeller |
GB434604A (en) * | 1934-03-05 | 1935-09-05 | Walter Herbert Jones | Improvements relating to propellers or screws |
US2005343A (en) * | 1934-05-09 | 1935-06-18 | Forrest M Kent | Variable propeller |
US2131217A (en) * | 1936-12-12 | 1938-09-27 | Brumwell Vincent Boyd | Automatic variable pitch propeller |
DE686013C (de) * | 1937-07-30 | 1939-12-30 | Helmuth Schmedemann | Wasserfahrzeugpropeller mit schwenkbaren, unsymmetrischen Fluegeln |
US2134157A (en) * | 1937-08-09 | 1938-10-25 | Milton D Thompson | Propeller |
US2282077A (en) * | 1940-02-03 | 1942-05-05 | Hamilton K Moore | Changeable pitch propeller unit |
US2322352A (en) * | 1941-07-10 | 1943-06-22 | Harold A Frazier | Airplane blade pitch-control |
US2283774A (en) * | 1941-08-13 | 1942-05-19 | Milton D Thompson | Feathering-blade propeller |
-
1974
- 1974-11-15 SE SE7414374A patent/SE392082B/xx unknown
-
1975
- 1975-11-04 US US05/628,734 patent/US4047841A/en not_active Expired - Lifetime
- 1975-11-14 AU AU86646/75A patent/AU504647B2/en not_active Expired
- 1975-11-14 NO NO753826A patent/NO138521C/no unknown
- 1975-11-14 FI FI753220A patent/FI753220A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE392082B (sv) | 1977-03-14 |
NO138521B (no) | 1978-06-12 |
AU504647B2 (en) | 1979-10-25 |
AU8664675A (en) | 1977-05-19 |
SE7414374L (sv) | 1976-05-17 |
NO138521C (no) | 1978-09-20 |
NO753826L (xx) | 1976-05-19 |
US4047841A (en) | 1977-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: AB JAERNFOERAEDLING |