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)
Italian (it)
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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Gear Transmission (AREA)
  • Toys (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 (en:Method)
AU (1) AU4198572A (en:Method)
CA (1) CA960093A (en:Method)
DE (1) DE2222209A1 (en:Method)
ES (1) ES402373A1 (en:Method)
FR (1) FR2135670B1 (en:Method)
IT (1) IT957740B (en:Method)
NL (1) NL7206060A (en:Method)

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
US4738591A (en) * 1986-09-09 1988-04-19 General Electric Company Blade pitch varying mechanism
US4738590A (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
CA476710A (en) * 1951-09-04 Graham Forsyth Archibald Electrical equipment on aircraft
FR971355A (en:Method) * 1951-01-16
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
DE2222209A1 (de) 1972-11-16
NL7206060A (en:Method) 1972-11-07
CA960093A (en) 1974-12-31
AU4198572A (en) 1973-11-08
ES402373A1 (es) 1975-04-01
FR2135670A1 (en:Method) 1972-12-22
US3801219A (en) 1974-04-02
FR2135670B1 (en:Method) 1973-07-13

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