Global Patent Index - EP 1927724 B1

EP 1927724 B1 20150909 - Airfoil

Title (en)

Airfoil

Title (de)

Schaufelblatt

Title (fr)

Profil d'aube

Publication

EP 1927724 B1 20150909 (DE)

Application

EP 07120051 A 20071106

Priority

DE 102006055869 A 20061123

Abstract (en)

[origin: EP1927724A2] The method involves defining a skeleton curve by a skeleton line angle over a chord length, leading edge (2), blade height (h) and a blade spike (6). The curve is run in a blade profile section, which is present in an area running out of the blade spike up to 30 percentages of the blade height, in a sectional line angle distribution area lying between upper and lower limit curves. A pressure load is produced along a blade surface in the distribution area. Dimensionless skeleton line angles at a position of the chord length are provided for the limit curves from a specific formula.

IPC 8 full level

F01D 5/14 (2006.01); F01D 9/04 (2006.01)

CPC (source: EP US)

F01D 5/141 (2013.01 - EP US); F01D 9/041 (2013.01 - EP US); F04D 29/324 (2013.01 - EP US); F05D 2250/70 (2013.01 - EP US); F05D 2250/74 (2013.01 - EP US); Y10S 416/02 (2013.01 - EP US); Y10S 416/05 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 1927724 A2 20080604; EP 1927724 A3 20090520; EP 1927724 B1 20150909; DE 102006055869 A1 20080529; US 2009226322 A1 20090910; US 8152473 B2 20120410

DOCDB simple family (application)

EP 07120051 A 20071106; DE 102006055869 A 20061123; US 98482607 A 20071121