CH458084A - Paddle rotor - Google Patents

Paddle rotor

Info

Publication number
CH458084A
CH458084A CH535467A CH535467A CH458084A CH 458084 A CH458084 A CH 458084A CH 535467 A CH535467 A CH 535467A CH 535467 A CH535467 A CH 535467A CH 458084 A CH458084 A CH 458084A
Authority
CH
Switzerland
Prior art keywords
paddle rotor
paddle
rotor
Prior art date
Application number
CH535467A
Other languages
French (fr)
Inventor
Alfred Chilman John
Original Assignee
Dowty Rotol Ltd
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 Dowty Rotol Ltd filed Critical Dowty Rotol Ltd
Publication of CH458084A publication Critical patent/CH458084A/en

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
    • B63H3/06—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
    • B63H3/082—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 the control element being axially reciprocatable
    • 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
    • B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
    • B64C11/40—Blade pitch-changing mechanisms fluid, e.g. hydraulic automatic

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Hydraulic Motors (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CH535467A 1966-04-12 1967-04-12 Paddle rotor CH458084A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB06007/66A GB1185041A (en) 1966-04-12 1966-04-12 Adjustable Bladed Rotors

Publications (1)

Publication Number Publication Date
CH458084A true CH458084A (en) 1968-06-15

Family

ID=10069507

Family Applications (1)

Application Number Title Priority Date Filing Date
CH535467A CH458084A (en) 1966-04-12 1967-04-12 Paddle rotor

Country Status (6)

Country Link
US (1) US3459267A (en)
JP (1) JPS4540496B1 (en)
CH (1) CH458084A (en)
DE (1) DE1506629B1 (en)
GB (1) GB1185041A (en)
SE (1) SE320890B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129494A1 (en) * 1983-06-15 1984-12-27 United Technologies Corporation Propeller pitch change actuation system

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603698A (en) * 1969-11-19 1971-09-07 Nordisk Ventilator Axial flow fan wheel
US3690788A (en) * 1970-02-16 1972-09-12 James M Pedersen Controllable pitch propeller
US3746466A (en) * 1971-06-25 1973-07-17 Dieselmotorenwerk Veb Adjusting and locking device
US3819296A (en) * 1972-03-06 1974-06-25 Mitsubishi Heavy Ind Ltd Control for hydraulic machine having adjustable blades
US3918837A (en) * 1973-02-17 1975-11-11 Dowty Rotol Ltd Bladed rotors
GB1478674A (en) * 1974-07-03 1977-07-06 Lips Bv Feathering controllable pitch propeller
US4348155A (en) * 1980-03-17 1982-09-07 United Technologies Corporation Wind turbine blade pitch control system
GB8800932D0 (en) * 1988-01-15 1988-02-17 Dowty Rotol Ltd Propeller blade assembly
US5263898A (en) * 1988-12-14 1993-11-23 General Electric Company Propeller blade retention system
US5186608A (en) * 1991-10-25 1993-02-16 United Technologies Corporation Hydraulic low pitch switch for propeller pitch change system
GB9408476D0 (en) * 1994-04-28 1994-06-22 Rolls Royce Plc Blade pitch change mechanism
DE102004017323A1 (en) * 2004-04-06 2005-11-03 Repower Systems Ag Pitch control for blade in wind powered generator has a servo drive to vary the pitch and with a separate locking system to hold the basic pitch up to a set wind speed

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1050202B (en) * 1959-02-05
US2781856A (en) * 1952-06-06 1957-02-19 Rotol Ltd Control system for variable pitch screw propellers
US3080928A (en) * 1955-05-16 1963-03-12 Dowty Rotol Ltd Hydraulically operated variable pitch propellers
GB927718A (en) * 1958-12-04 1963-06-06 Dowty Rotol Ltd Improvements in or relating to variable pitch propellers and propeller fans
US3219121A (en) * 1962-08-03 1965-11-23 John W Barden Controllable pitch propeller hydraulic locking device
US3261406A (en) * 1963-05-16 1966-07-19 United Aircraft Corp Attitude control system for an aeronautical propeller
US3240275A (en) * 1963-12-03 1966-03-15 Curtiss Wright Corp Hydraulically operable pitch aircraft propeller
US3242992A (en) * 1964-09-25 1966-03-29 United Aircraft Corp Feedback system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129494A1 (en) * 1983-06-15 1984-12-27 United Technologies Corporation Propeller pitch change actuation system

Also Published As

Publication number Publication date
GB1185041A (en) 1970-03-18
JPS4540496B1 (en) 1970-12-19
SE320890B (en) 1970-02-16
DE1506629B1 (en) 1970-02-26
US3459267A (en) 1969-08-05

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