[go: up one dir, main page]

GB204729A - Improvements in helicopters - Google Patents

Improvements in helicopters

Info

Publication number
GB204729A
GB204729A GB9488/22A GB948822A GB204729A GB 204729 A GB204729 A GB 204729A GB 9488/22 A GB9488/22 A GB 9488/22A GB 948822 A GB948822 A GB 948822A GB 204729 A GB204729 A GB 204729A
Authority
GB
United Kingdom
Prior art keywords
blades
rod
propeller
pitch
helicopters
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
GB9488/22A
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
Application filed by Individual filed Critical Individual
Priority to GB9488/22A priority Critical patent/GB204729A/en
Publication of GB204729A publication Critical patent/GB204729A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/12—Rotor drives
    • B64C27/14—Direct drive between power plant and rotor hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/08—Helicopters with two or more rotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/12—Rotor drives

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Soil Working Implements (AREA)
  • Control Of Turbines (AREA)
  • Toys (AREA)

Abstract

204,729. Thompson, W. P., (Berliner, H. A.). April 3, 1922. Screw propellers.-The blades 19, 20 of an auxiliary variable-pitch propeller on a helicopter have arms 28, 29 connected to a yoke 30 rotarilv mounted on a rod 31 extending through the hollow driving-shaft of the propeller. The rod 31 has a bent end 32 engaging a slot 33 in a plate 25 which can be moved longitudinally of the machine to enable the pitch of the blades to be varied and reversed.
GB9488/22A 1922-04-03 1922-04-03 Improvements in helicopters Expired GB204729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9488/22A GB204729A (en) 1922-04-03 1922-04-03 Improvements in helicopters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9488/22A GB204729A (en) 1922-04-03 1922-04-03 Improvements in helicopters

Publications (1)

Publication Number Publication Date
GB204729A true GB204729A (en) 1923-10-03

Family

ID=9872906

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9488/22A Expired GB204729A (en) 1922-04-03 1922-04-03 Improvements in helicopters

Country Status (1)

Country Link
GB (1) GB204729A (en)

Similar Documents

Publication Publication Date Title
GB204729A (en) Improvements in helicopters
GB434604A (en) Improvements relating to propellers or screws
GB343777A (en) Improvements in reversible propellers
GB521218A (en) Improvements in helicopters
GB637669A (en) Improvements in screw propellers
GB206880A (en) An improved screw propeller
GB550117A (en) Improvements in aerial propellers
GB159207A (en) Improvements relating to the construction of helices for helicopters and similar flying machines
GB568533A (en) Improved operating gear for adjustable propeller blades
GB223296A (en) Improvements in propellers for aerial or marine propulsion
GB262338A (en) Improvements in and relating to aerial propellers
GB267179A (en) Improvements in variable pitch airscrews
GB251419A (en) Improvements in and relating to flying machines
GB256486A (en) Improvements in and relating to propellors and tractors
GB295741A (en) Improvements in screw propellers
GB313694A (en) Improvements relating to screw propellers
GB241102A (en) Improvements in aeronautical propulsion
GB338442A (en) Variable thrust propeller for airships
GB124647A (en) Improvements in Propellers.
GB198031A (en) Improved means for use in propelling aeroplane, hydroplane and other conveyances
GB126105A (en) Improvements in or relating to Propellers for Air Craft.
GB158072A (en) Improvements in toy aeroplanes
GB284687A (en) Improvements in screw propellers
GB252442A (en) Improvements in airscrews for aircraft
GB293064A (en) Improvements in or relating to aircraft