GB792258A - Improved hollow propeller blade - Google Patents

Improved hollow propeller blade

Info

Publication number
GB792258A
GB792258A GB16407/56A GB1640756A GB792258A GB 792258 A GB792258 A GB 792258A GB 16407/56 A GB16407/56 A GB 16407/56A GB 1640756 A GB1640756 A GB 1640756A GB 792258 A GB792258 A GB 792258A
Authority
GB
United Kingdom
Prior art keywords
ribs
aerofoil
sections
united
root
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
GB16407/56A
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB792258A publication Critical patent/GB792258A/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
    • B64C11/16—Blades
    • B64C11/20—Constructional features
    • B64C11/24—Hollow blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

792,258. Blades for screw propellers. GENERAL MOTORS CORPORATION. May 28, 1956 [June 6, 1955], No. 16407/56. Class 114. A hollow propeller blade comprises a thrust member having an aerofoil portion with an external aerofoil thrust surface and a root portion which comprises two united sections, and a camber member united to the thrust member and having an external aerofoil camber surface. The root portion may comprise two united sections and the aerofoil section a third portion united to or integral with one of the sections. The root portion is formed in two sections 34, 36 welded together and each integral with a set of marginal ribs 18, 20 and intermediate ribs 22, 24, 26 which are complementary, the marginal ribs 18, 20 on the lower section 36 being stepped at 38, 40 to receive shorter marginal ribs on the section 34. Continuation ribs on the blade portion 42 are welded transversely to the ribs on the root portions, preferably using triangular inserts at the joins. The root portions 34, 36 may be of unequal size, the division being on a plane spaced from the neutral axis of the blade, the ribs of the upper portion being short and stub-like, and the aerofoil part 42 may be integral with the lower root portion 36.
GB16407/56A 1955-06-06 1956-05-28 Improved hollow propeller blade Expired GB792258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US792258XA 1955-06-06 1955-06-06

Publications (1)

Publication Number Publication Date
GB792258A true GB792258A (en) 1958-03-26

Family

ID=22149203

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16407/56A Expired GB792258A (en) 1955-06-06 1956-05-28 Improved hollow propeller blade

Country Status (1)

Country Link
GB (1) GB792258A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003093101A1 (en) * 2002-04-29 2003-11-13 Rolls-Royce Naval Marine, Inc. Propeller
FR2942512A1 (en) * 2009-02-20 2010-08-27 Airbus France Receiver vane for e.g. turbojet engine of aircraft, has blade part extending foot that is split into two foot portions, where foot portions are identical, mounted one on other and extended on entire length of foot

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003093101A1 (en) * 2002-04-29 2003-11-13 Rolls-Royce Naval Marine, Inc. Propeller
US7144222B2 (en) 2002-04-29 2006-12-05 Rolls-Royce Naval Marine, Inc. Propeller
FR2942512A1 (en) * 2009-02-20 2010-08-27 Airbus France Receiver vane for e.g. turbojet engine of aircraft, has blade part extending foot that is split into two foot portions, where foot portions are identical, mounted one on other and extended on entire length of foot

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