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
Application number
FI753220A
Inventor
Arvid Laurin
Original Assignee
Jaernfoeraedling Ab
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
Application filed by Jaernfoeraedling Ab filed Critical Jaernfoeraedling Ab
Publication of FI753220A publication Critical patent/FI753220A/fi

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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Laminated Bodies (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
FI753220A 1974-11-15 1975-11-14 FI753220A (fi)

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 (fi) 1976-05-16

Family

ID=20322706

Family Applications (1)

Application Number Title Priority Date Filing Date
FI753220A FI753220A (fi) 1974-11-15 1975-11-14

Country Status (5)

Country Link
US (1) US4047841A (fi)
AU (1) AU504647B2 (fi)
FI (1) FI753220A (fi)
NO (1) NO138521C (fi)
SE (1) SE392082B (fi)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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
DE3865924D1 (de) * 1987-08-21 1991-12-05 Ishikawajima Harima Heavy Ind Fluidumgeraet.
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
US5433586A (en) * 1991-03-27 1995-07-18 Cessna Aircraft Company Tapered propeller blade design
US5209643A (en) * 1991-03-27 1993-05-11 The 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
WO2005063563A1 (en) 2003-12-30 2005-07-14 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
WO2012007970A1 (en) * 2010-07-15 2012-01-19 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US4047841A (en) 1977-09-13
NO138521C (no) 1978-09-20
AU8664675A (en) 1977-05-19
SE392082B (sv) 1977-03-14
AU504647B2 (en) 1979-10-25
NO753826L (fi) 1976-05-19
SE7414374L (sv) 1976-05-17
NO138521B (no) 1978-06-12

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: AB JAERNFOERAEDLING