Global Patent Index - EP 0259344 B1

EP 0259344 B1 19901227 - AEROFOIL

Title (en)

AEROFOIL

Publication

EP 0259344 B1 19901227 (EN)

Application

EP 86904896 A 19860822

Priority

GB 8521085 A 19850822

Abstract (en)

[origin: WO8701088A1] An aerofoil shape having a section with a maximum total thickness in the range of 20% to 40% of the total chord and a 90% thickness zone that extends for at least 17% and at most 33% of the total chord and lies in the range of 105 to 55% along the chord. In a compound wingsail both the leading and trailing elements belong to this basic section but the leading section has a more abrupt trailing edge and the trailing section has a blunted nose.

IPC 1-7

B63H 9/06

IPC 8 full level

B63H 9/06 (2006.01)

CPC (source: EP)

B63H 9/061 (2020.02)

Citation (examination)

Abbott, Von Doenhoff: "Theory of wing sections ", Dover Publications, New York (US), pages 326, 327 see page 326, Naca 0021, columns 1,2 page 327, NACA 0024, columns 1,2, last but one line

Designated contracting state (EPC)

DE FR GB IT NL SE

DOCDB simple family (publication)

WO 8701088 A1 19870226; AU 597904 B2 19900614; AU 6280886 A 19870310; DE 3676702 D1 19910207; DK 202087 A 19870520; DK 202087 D0 19870421; EP 0259344 A1 19880316; EP 0259344 B1 19901227; FI 880826 A0 19880222; FI 880826 A 19880222; GB 8521085 D0 19850925; JP S63501355 A 19880526

DOCDB simple family (application)

GB 8600502 W 19860822; AU 6280886 A 19860822; DE 3676702 T 19860822; DK 202087 A 19870421; EP 86904896 A 19860822; FI 880826 A 19880222; GB 8521085 A 19850822; JP 50450486 A 19860822