IT957740B - Perfezionamento nelle eliche marine a passo variabile - Google Patents

Perfezionamento nelle eliche marine a passo variabile

Info

Publication number
IT957740B
IT957740B IT50080/72A IT5008072A IT957740B IT 957740 B IT957740 B IT 957740B IT 50080/72 A IT50080/72 A IT 50080/72A IT 5008072 A IT5008072 A IT 5008072A IT 957740 B IT957740 B IT 957740B
Authority
IT
Italy
Prior art keywords
improvement
variable pitch
marine propellers
pitch marine
propellers
Prior art date
Application number
IT50080/72A
Other languages
English (en)
Original Assignee
Parsons J
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 Parsons J filed Critical Parsons J
Application granted granted Critical
Publication of IT957740B publication Critical patent/IT957740B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H3/00—Propeller-blade pitch changing
    • B63H3/06—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
    • B63H3/08—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid
    • B63H3/081—Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid actuated by control element coaxial with the propeller shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0055—Rotors with adjustable blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/001—Safety devices for guarding the human operator of punch presses or like machine tools performing an opening and closing travel
    • F16P3/003—Safety devices for guarding the human operator of punch presses or like machine tools performing an opening and closing travel by application of a specific control arrangement, e.g. specific switching systems or two-hand control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Toys (AREA)
  • Gear Transmission (AREA)
IT50080/72A 1971-05-05 1972-05-05 Perfezionamento nelle eliche marine a passo variabile IT957740B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14043571A 1971-05-05 1971-05-05

Publications (1)

Publication Number Publication Date
IT957740B true IT957740B (it) 1973-10-20

Family

ID=22491196

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50080/72A IT957740B (it) 1971-05-05 1972-05-05 Perfezionamento nelle eliche marine a passo variabile

Country Status (8)

Country Link
US (1) US3801219A (it)
AU (1) AU4198572A (it)
CA (1) CA960093A (it)
DE (1) DE2222209A1 (it)
ES (1) ES402373A1 (it)
FR (1) FR2135670B1 (it)
IT (1) IT957740B (it)
NL (1) NL7206060A (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893789A (en) * 1973-02-21 1975-07-08 United Aircraft Corp Pitch change actuator for a variable pitch fan propulsor
US3904315A (en) * 1974-07-31 1975-09-09 United Aircraft Corp Pitch change signal means with differential gearing
US3912418A (en) * 1974-10-01 1975-10-14 United Technologies Corp Lubrication system for a rotor
US4021142A (en) * 1974-10-09 1977-05-03 United Technologies Corporation Pitch-change apparatus for a ducted thrust fan
US4124330A (en) * 1974-10-09 1978-11-07 United Technologies Corporation Cam-operated pitch-change apparatus
US3964839A (en) * 1974-10-21 1976-06-22 United Technologies Corporation Pitch change mechanism
US4738590A (en) * 1986-09-09 1988-04-19 General Electric Company Blade pitch varying mechanism
US4738591A (en) * 1986-09-09 1988-04-19 General Electric Company Blade pitch varying mechanism
US4750862A (en) * 1986-11-28 1988-06-14 United Technologies Corporation Modular propeller blade pitch actuation system
FR2607464B1 (fr) * 1987-11-27 1993-07-30 United Technologies Corp Appareil de commande du pas des pales d'une helice a pas variable
US4878809A (en) * 1988-07-05 1989-11-07 Sundstrand Corporation Power source and control mechanism for propeller pitch control
US5249924A (en) * 1992-02-21 1993-10-05 Southwest Aerospace Corporation RAM air turbine
US6340290B1 (en) 2000-06-20 2002-01-22 Brunswick Corporation Controllable pitch propeller with a fail safe increased pitch movement
US10913534B1 (en) 2016-07-26 2021-02-09 Meggitt Defense Systems, Inc. Airborne docking system and method for unmanned aerial vehicle recovery

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR971355A (it) * 1951-01-16
CA476710A (en) * 1951-09-04 Graham Forsyth Archibald Electrical equipment on aircraft
GB190700052A (en) * 1907-01-01 1908-01-01 Henry John Spooner Improvements connected with Reversing Propellers.
FR502627A (fr) * 1919-08-14 1920-05-21 Louis Renault Hélices à ailes orientables
US1810159A (en) * 1927-10-03 1931-06-16 Byron D Hammons Automatic propeller control
US1828303A (en) * 1929-08-14 1931-10-20 Wallace R Turnbull Variable pitch propeller
US1894047A (en) * 1930-01-13 1933-01-10 A J O Brien Hydraulic propeller
GB485878A (en) * 1936-12-15 1938-05-26 Fairey Aviat Co Ltd Improvements in or relating to variable pitch propellors, especially for aircraft
DE707983C (de) * 1937-06-05 1941-07-09 Ver Deutsche Metallwerke Ag Verstellgetriebe zum AEndern der Blattanstellung zwei- oder mehrfluegeliger Verstelluftschrauben
US2283128A (en) * 1940-06-13 1942-05-12 Allis Chalmers Mfg Co Turbine lubrication
US2629451A (en) * 1945-12-17 1953-02-24 Harry J Nichols Controllable pitch propeller
FR969611A (fr) * 1948-07-16 1950-12-22 Dispositif de commande hydraulique pour mécanismes de changement de pas d'hélices aériennes
GB1048576A (en) * 1962-11-07 1966-11-16 Hitachi Ltd Water turbine, pump or pump turbine
US3406759A (en) * 1967-08-15 1968-10-22 Nutku Ata Controllable pitch propeller
GB1261024A (en) * 1968-04-08 1972-01-19 Lips Nv Method and means for minimizing the actuating forces of a controllable pitch propeller

Also Published As

Publication number Publication date
AU4198572A (en) 1973-11-08
DE2222209A1 (de) 1972-11-16
CA960093A (en) 1974-12-31
FR2135670B1 (it) 1973-07-13
US3801219A (en) 1974-04-02
ES402373A1 (es) 1975-04-01
NL7206060A (it) 1972-11-07
FR2135670A1 (it) 1972-12-22

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