GB505629A - Improvements relating to the mounting of airscrew blades - Google Patents

Improvements relating to the mounting of airscrew blades

Info

Publication number
GB505629A
GB505629A GB3102837A GB3102837A GB505629A GB 505629 A GB505629 A GB 505629A GB 3102837 A GB3102837 A GB 3102837A GB 3102837 A GB3102837 A GB 3102837A GB 505629 A GB505629 A GB 505629A
Authority
GB
United Kingdom
Prior art keywords
blade
layer
boss
synthetic resin
insulating material
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
GB3102837A
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.)
De Havilland Aircraft Co Ltd
Original Assignee
De Havilland Aircraft Co 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 De Havilland Aircraft Co Ltd filed Critical De Havilland Aircraft Co Ltd
Priority to GB3102837A priority Critical patent/GB505629A/en
Publication of GB505629A publication Critical patent/GB505629A/en
Expired legal-status Critical Current

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
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/06—Blade mountings for variable-pitch blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Support Of The Bearing (AREA)

Abstract

505,629. AirscrewsDE HAVILLAND AIRCRAFT CO., Ltd., and THOMAS, F. M. Nov. 11, 1937,'No. 31028. [Class 114] An airscrew blade having at its root internal and external bearings with the boss is provided with a layer of vibration insulating material between the blade and all the bearing parts. The insulating material may be reinforced synthetic resin or a rubber composition or a soft metallic alloy. The blade 1 is provided with an internal bore 2 adapted to seat over a spigot 3 whilst externally it is supported by collars which in the case of a variable-pitch propeller has an interposed roller bearing 4, 5, 6. Between the'bearing parts a sleeve 7 of synthetic resin is provided, thus being moulded in situ. There is a similar insulating layer between the shell 8 of the blade and the roller race 6. This layer may be made as a split collar and slipped over the top of the blade before assembly, such material then being cemented into position. Provision may be made for an electric bonding between the blade and the boss. Specification 606,168 is referred to.
GB3102837A 1937-11-11 1937-11-11 Improvements relating to the mounting of airscrew blades Expired GB505629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3102837A GB505629A (en) 1937-11-11 1937-11-11 Improvements relating to the mounting of airscrew blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3102837A GB505629A (en) 1937-11-11 1937-11-11 Improvements relating to the mounting of airscrew blades

Publications (1)

Publication Number Publication Date
GB505629A true GB505629A (en) 1939-05-11

Family

ID=10316847

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3102837A Expired GB505629A (en) 1937-11-11 1937-11-11 Improvements relating to the mounting of airscrew blades

Country Status (1)

Country Link
GB (1) GB505629A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2718268A (en) * 1952-09-29 1955-09-20 Curtiss Wright Corp Propeller blade retention ring assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2718268A (en) * 1952-09-29 1955-09-20 Curtiss Wright Corp Propeller blade retention ring assembly

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