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GB573555A - Improvements in airscrews - Google Patents

Improvements in airscrews

Info

Publication number
GB573555A
GB573555A GB9729/44A GB972944A GB573555A GB 573555 A GB573555 A GB 573555A GB 9729/44 A GB9729/44 A GB 9729/44A GB 972944 A GB972944 A GB 972944A GB 573555 A GB573555 A GB 573555A
Authority
GB
United Kingdom
Prior art keywords
leading edge
slots
leading
airscrews
blake
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
GB9729/44A
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.)
GILES EYRE BLAKE
Original Assignee
GILES EYRE BLAKE
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 GILES EYRE BLAKE filed Critical GILES EYRE BLAKE
Publication of GB573555A publication Critical patent/GB573555A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Shutters For Cameras (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

573,555. Propeller blades. BLAKE, G. E. May 19, 1944, No. 9729. Convention date, May 19, 1943. [Classes 4 and 114] A propeller blade 7 has converging slots 12 leading from the rear face near the leading edge to the driving face further away from the leading edge. The section of the slots may be rectangular, circular or ovoid. Shutters for closing the slot openings may be provided.
GB9729/44A 1943-05-19 1944-05-19 Improvements in airscrews Expired GB573555A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU573555X 1943-05-19

Publications (1)

Publication Number Publication Date
GB573555A true GB573555A (en) 1945-11-26

Family

ID=3742755

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9729/44A Expired GB573555A (en) 1943-05-19 1944-05-19 Improvements in airscrews

Country Status (1)

Country Link
GB (1) GB573555A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646945A (en) * 1950-09-05 1953-07-28 John A Perry Airplane wing structure
GB2186033A (en) * 1986-02-28 1987-08-05 Nei International Research & D Wind turbine
GB2216959A (en) * 1988-03-22 1989-10-18 Marlec Engineering Co Limited Air turbine or propellor blade
US6464171B2 (en) * 1997-04-04 2002-10-15 Georgia Tech Research Corp. Leading edge channel for enhancement of lift/drag ratio and reduction of sonic boom
US7264444B2 (en) 2004-03-16 2007-09-04 Westland Helicopters Limited Aerofoils

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646945A (en) * 1950-09-05 1953-07-28 John A Perry Airplane wing structure
GB2186033A (en) * 1986-02-28 1987-08-05 Nei International Research & D Wind turbine
GB2186033B (en) * 1986-02-28 1990-01-04 Northern Eng Ind Wind turbine
GB2216959A (en) * 1988-03-22 1989-10-18 Marlec Engineering Co Limited Air turbine or propellor blade
GB2216959B (en) * 1988-03-22 1992-11-04 Marlec Engineering Co Limited Air turbine or propellor
US6464171B2 (en) * 1997-04-04 2002-10-15 Georgia Tech Research Corp. Leading edge channel for enhancement of lift/drag ratio and reduction of sonic boom
US7264444B2 (en) 2004-03-16 2007-09-04 Westland Helicopters Limited Aerofoils

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