IT1071412B - Elica a pale retrattili per natanti - Google Patents
Elica a pale retrattili per natantiInfo
- Publication number
- IT1071412B IT1071412B IT69063/76A IT6906376A IT1071412B IT 1071412 B IT1071412 B IT 1071412B IT 69063/76 A IT69063/76 A IT 69063/76A IT 6906376 A IT6906376 A IT 6906376A IT 1071412 B IT1071412 B IT 1071412B
- Authority
- IT
- Italy
- Prior art keywords
- vessels
- retractable blades
- blades propeller
- propeller
- retractable
- Prior art date
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)
- Harvester Elements (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7509357A SE392855B (sv) | 1975-08-22 | 1975-08-22 | Propeller med fellbara blad |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1071412B true IT1071412B (it) | 1985-04-10 |
Family
ID=20325332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT69063/76A IT1071412B (it) | 1975-08-22 | 1976-08-20 | Elica a pale retrattili per natanti |
Country Status (10)
Country | Link |
---|---|
US (1) | US4086025A (it) |
AU (1) | AU500801B2 (it) |
DE (1) | DE2637219A1 (it) |
DK (1) | DK375276A (it) |
FI (1) | FI762394A (it) |
FR (1) | FR2321592A1 (it) |
GB (1) | GB1533133A (it) |
IT (1) | IT1071412B (it) |
NL (1) | NL7609162A (it) |
SE (1) | SE392855B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4310285A (en) * | 1977-12-09 | 1982-01-12 | Outboard Marine Corporation | Folding propeller with rubber hub |
US4204806A (en) * | 1977-12-09 | 1980-05-27 | Outboard Marine Corporation | Folding propeller |
SE7801345L (sv) * | 1978-02-06 | 1979-08-07 | Hasselfors Stainless | Anordning vid hopfellbara propellrar |
SE428197B (sv) * | 1978-06-27 | 1983-06-13 | Volvo Penta Ab | Batpropeller med svengbara blad |
SE8000362L (sv) * | 1980-01-16 | 1981-07-17 | Volvo Penta Ab | Batpropeller med fellbara blad |
IT1172650B (it) * | 1983-10-19 | 1987-06-18 | Giovanni Fabio | Elica a pale mobili angolarmente rispetto l'asse dell'ogiva mozzo per effetto dell'albero motore |
DK168885B1 (da) * | 1985-07-02 | 1994-07-04 | Con Fol Aps | Foldepropeller |
AUPN617295A0 (en) * | 1995-10-25 | 1995-11-16 | Tristream Propeller Company Pty Limited | An improved propeller |
US8459948B2 (en) * | 2008-10-24 | 2013-06-11 | Esteban A. Caraballoso | Retractable composite rotor blade assembly |
US9254509B2 (en) * | 2012-04-05 | 2016-02-09 | Cggveritas Services Sa | Active cleaning device for seismic streamers and related methods |
DK178074B1 (en) | 2013-10-14 | 2015-05-04 | Flexofold Aps | Folding propeller |
DE102020129938A1 (de) * | 2020-11-12 | 2022-05-12 | Torqeedo Gmbh | Faltpropeller |
DE102021102842A1 (de) * | 2021-02-08 | 2022-08-11 | Torqeedo Gmbh | Faltpropeller für ein Wasserfahrzeug |
IT202200005693A1 (it) * | 2022-03-23 | 2023-09-23 | Velettrica S R L | Elica a pale abbattibili e sistema di propulsione |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US731020A (en) * | 1902-12-08 | 1903-06-16 | Bernt Charles | Propeller for vessels. |
US866369A (en) * | 1907-02-23 | 1907-09-17 | Arthur W Learnard | Propeller. |
US938291A (en) * | 1909-07-15 | 1909-10-26 | Milton D Thompson | Propeller. |
US1491512A (en) * | 1922-05-29 | 1924-04-22 | Bracco Frederick | Propeller |
US2477944A (en) * | 1947-07-19 | 1949-08-02 | Edward H Rouse | Adjustable pitch propeller |
US2638171A (en) * | 1947-09-30 | 1953-05-12 | Freeman C Foss | Automatic variable pitch propeller |
GB878852A (en) * | 1959-03-24 | 1961-10-04 | Bamford & Company Ltd F | Improvements in or relating to screw propellers |
DE2300812A1 (de) * | 1973-01-09 | 1974-07-11 | Menke Josef F | Faltpropeller fuer segeljachten mit hilfsmotor |
-
1975
- 1975-08-22 SE SE7509357A patent/SE392855B/xx unknown
-
1976
- 1976-08-13 US US05/714,128 patent/US4086025A/en not_active Expired - Lifetime
- 1976-08-16 GB GB33991/76A patent/GB1533133A/en not_active Expired
- 1976-08-18 NL NL7609162A patent/NL7609162A/xx not_active Application Discontinuation
- 1976-08-18 DE DE19762637219 patent/DE2637219A1/de not_active Withdrawn
- 1976-08-19 AU AU16991/76A patent/AU500801B2/en not_active Expired
- 1976-08-19 DK DK375276A patent/DK375276A/da not_active Application Discontinuation
- 1976-08-20 FR FR7625894A patent/FR2321592A1/fr active Granted
- 1976-08-20 IT IT69063/76A patent/IT1071412B/it active
- 1976-08-20 FI FI762394A patent/FI762394A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DK375276A (da) | 1977-02-23 |
NL7609162A (nl) | 1977-02-24 |
FI762394A (it) | 1977-02-23 |
DE2637219A1 (de) | 1977-03-03 |
AU500801B2 (en) | 1979-05-31 |
US4086025A (en) | 1978-04-25 |
GB1533133A (en) | 1978-11-22 |
SE392855B (sv) | 1977-04-25 |
FR2321592B1 (it) | 1980-11-14 |
AU1699176A (en) | 1978-02-23 |
SE7509357L (sv) | 1977-02-23 |
FR2321592A1 (fr) | 1977-03-18 |
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