IT1015800B - Perfezionamenti nelle eliche a pa le ripiegabili o in loro elementi - Google Patents

Perfezionamenti nelle eliche a pa le ripiegabili o in loro elementi

Info

Publication number
IT1015800B
IT1015800B IT24980/74A IT2498074A IT1015800B IT 1015800 B IT1015800 B IT 1015800B IT 24980/74 A IT24980/74 A IT 24980/74A IT 2498074 A IT2498074 A IT 2498074A IT 1015800 B IT1015800 B IT 1015800B
Authority
IT
Italy
Prior art keywords
propellers
foldable
elements
Prior art date
Application number
IT24980/74A
Other languages
English (en)
Original Assignee
Gori Waerk As
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
Priority claimed from GB3304473A external-priority patent/GB1476302A/en
Application filed by Gori Waerk As filed Critical Gori Waerk As
Application granted granted Critical
Publication of IT1015800B publication Critical patent/IT1015800B/it

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)
  • Motor Power Transmission Devices (AREA)
  • Harvester Elements (AREA)
  • Tires In General (AREA)
IT24980/74A 1973-07-11 1974-07-09 Perfezionamenti nelle eliche a pa le ripiegabili o in loro elementi IT1015800B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3304473A GB1476302A (en) 1973-07-11 1973-07-11 Propellers
GB4921973 1973-10-23

Publications (1)

Publication Number Publication Date
IT1015800B true IT1015800B (it) 1977-05-20

Family

ID=26261684

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24980/74A IT1015800B (it) 1973-07-11 1974-07-09 Perfezionamenti nelle eliche a pa le ripiegabili o in loro elementi

Country Status (13)

Country Link
US (1) US3981613A (it)
AU (1) AU473720B2 (it)
CA (1) CA1016818A (it)
CH (1) CH573838A5 (it)
DE (1) DE2432516C3 (it)
DK (1) DK155118C (it)
ES (2) ES428133A1 (it)
FI (1) FI59762C (it)
FR (1) FR2236722B1 (it)
IT (1) IT1015800B (it)
NL (1) NL162027C (it)
NO (1) NO138520C (it)
SE (1) SE396927B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095919A (en) * 1973-07-11 1978-06-20 Gorivaerk As Foldable propellers
DK602374A (da) * 1974-11-20 1976-05-21 Gori Vaerk As Propel
US4204806A (en) * 1977-12-09 1980-05-27 Outboard Marine Corporation Folding propeller
SE428197B (sv) * 1978-06-27 1983-06-13 Volvo Penta Ab Batpropeller med svengbara blad
US4207028A (en) * 1979-06-12 1980-06-10 Ridder Sven O Extendable and retractable propeller for watercraft
SE449206B (sv) * 1982-02-05 1987-04-13 Kamewa Ab Propellerdrivet fartyg
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
US5403217A (en) * 1994-04-18 1995-04-04 Vosper; George W. Folding blade propeller
SE536797C2 (sv) * 2011-02-02 2014-08-26 Daniel Paulin Vertikalt vindkraftverk
US9709029B2 (en) 2011-06-21 2017-07-18 University Of Virginia Patent Foundation Morphing segmented wind turbine and related method
US11958588B2 (en) 2015-11-11 2024-04-16 Anduril Industries, Inc. Foldable propeller blade with locking mechanism
US11117649B2 (en) * 2015-11-11 2021-09-14 Area-I Inc. Foldable propeller blade with locking mechanism
DK179125B1 (en) * 2016-02-18 2017-11-20 Flexofold Aps Folding propeller
DE102021102842A1 (de) * 2021-02-08 2022-08-11 Torqeedo Gmbh Faltpropeller für ein Wasserfahrzeug

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US725097A (en) * 1903-02-02 1903-04-14 Arthur W Learnard Propeller.
US866369A (en) * 1907-02-23 1907-09-17 Arthur W Learnard Propeller.
US938290A (en) * 1909-03-03 1909-10-26 Milton D Thompson Propeller.
GB190918344A (en) * 1909-08-09 1909-11-25 Oswald Coates Improved Construction of Aerial Machine.
GB191104734A (en) * 1910-03-15 1911-08-17 Oskar Heimstaedt Improvements in Aerial Propellers.
AT98562B (de) * 1915-11-02 1924-11-25 Franz Schuh Wind- oder Wasserrad.
US1491997A (en) * 1918-02-05 1924-04-29 Messick Charles Compensating propeller
US1862481A (en) * 1931-02-24 1932-06-07 Glenwright Howard Variable pitch propeller
FR768964A (fr) * 1934-02-22 1934-08-17 Perfectionnements aux hélices
US2404678A (en) * 1944-06-05 1946-07-23 Wuensch Charles Erb Impeller
US2532371A (en) * 1946-07-19 1950-12-05 Werner H Petersen Feathering reversible propeller
US3038543A (en) * 1960-10-03 1962-06-12 Hudson Engineering Corp Air brake for wind driven propellers
US3255826A (en) * 1964-10-12 1966-06-14 Aerolab Dev Co Boat propeller
US3533714A (en) * 1967-09-12 1970-10-13 Bolkow Gmbh Rotor blade construction
US3542487A (en) * 1969-09-08 1970-11-24 Brunswick Corp Centrifugally variable diffuser for marine propeller
DE2050420A1 (de) * 1970-10-14 1972-04-20 Nautor Kommanditbolag Koskenkylä & Co, Pedersöre (Finnland) Propellerantrieb mit zusammenfaltbaren Propellerblättern
US3709634A (en) * 1971-01-20 1973-01-09 Michigan Wheel Corp Folding blade propeller

Also Published As

Publication number Publication date
FI59762C (fi) 1981-10-12
NL162027C (nl) 1980-04-15
ES441491A1 (es) 1977-07-01
SE7409104L (sv) 1975-01-13
DE2432516C3 (de) 1980-05-29
FR2236722B1 (it) 1977-10-07
DE2432516A1 (de) 1975-02-06
NO742401L (it) 1975-02-10
CA1016818A (en) 1977-09-06
NL7409333A (nl) 1975-01-14
NO138520C (no) 1978-09-20
FI212574A (it) 1975-01-12
US3981613A (en) 1976-09-21
NL162027B (nl) 1979-11-15
DK369674A (it) 1975-02-24
DK155118B (da) 1989-02-13
FI59762B (fi) 1981-06-30
AU7092674A (en) 1976-01-08
CH573838A5 (it) 1976-03-31
DE2432516B2 (de) 1979-09-13
NO138520B (no) 1978-06-12
AU473720B2 (en) 1976-07-01
FR2236722A1 (it) 1975-02-07
SE396927B (sv) 1977-10-10
DK155118C (da) 1989-07-03
ES428133A1 (es) 1976-07-16

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