GB1566426A - Feathering screw propeller assembly especially for sailing boats - Google Patents

Feathering screw propeller assembly especially for sailing boats Download PDF

Info

Publication number
GB1566426A
GB1566426A GB5109576A GB5109576A GB1566426A GB 1566426 A GB1566426 A GB 1566426A GB 5109576 A GB5109576 A GB 5109576A GB 5109576 A GB5109576 A GB 5109576A GB 1566426 A GB1566426 A GB 1566426A
Authority
GB
United Kingdom
Prior art keywords
propeller
hub
blade
blades
sleeve member
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
Application number
GB5109576A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 IT3081975A external-priority patent/IT1052002B/it
Priority claimed from IT2359876A external-priority patent/IT1062990B/it
Application filed by Individual filed Critical Individual
Publication of GB1566426A publication Critical patent/GB1566426A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Retarders (AREA)
GB5109576A 1975-12-29 1976-12-08 Feathering screw propeller assembly especially for sailing boats Expired GB1566426A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT3081975A IT1052002B (it) 1975-12-29 1975-12-29 Elica a bandiera specialmente per barche a vela
IT2359876A IT1062990B (it) 1976-05-25 1976-05-25 Perfezionamento di elica a bandiera specialmente per barche a vela

Publications (1)

Publication Number Publication Date
GB1566426A true GB1566426A (en) 1980-04-30

Family

ID=26328401

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5109576A Expired GB1566426A (en) 1975-12-29 1976-12-08 Feathering screw propeller assembly especially for sailing boats

Country Status (2)

Country Link
FR (1) FR2337079A1 (enExample)
GB (1) GB1566426A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995007837A1 (en) * 1993-09-14 1995-03-23 Bryan Allen Bartley Feathering propeller

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2283774A (en) * 1941-08-13 1942-05-19 Milton D Thompson Feathering-blade propeller
US3403735A (en) * 1967-03-10 1968-10-01 Henrik G. Langhjelm Adjustable variable pitch propeller
GB1314195A (en) * 1970-11-21 1973-04-18 Storey We Variable pitch propellers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995007837A1 (en) * 1993-09-14 1995-03-23 Bryan Allen Bartley Feathering propeller
US6126399A (en) * 1993-09-14 2000-10-03 Bartley; Bryan Allen Feathering propeller

Also Published As

Publication number Publication date
FR2337079B1 (enExample) 1982-05-28
FR2337079A1 (fr) 1977-07-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee