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Title:
HIGH CAMBER COMPRESSOR ROTOR BLADE
Document Type and Number:
WIPO Patent Application WO/2012/134833
Kind Code:
A3
Abstract:
A rotor blade (104) having an airfoil (10) for a compressor is described. The airfoil has an airfoil root (11), an airfoil tip (12) located at a spanwise distance from the airfoil root, a leading edge (20) extending from the airfoil root to the airfoil tip, an inner span region (13, S2) between the airfoil root and a first height location (41) on the airfoil leading edge, a midspan region (23, S2) between the first height location and a second height location (42) on the airfoil leading edge located radially outward from the first height location; an outer span region (14, S3) between the second height location and the airfoil tip, wherein the airfoil has a normalized camber profile (120) such that the normalized camber increases in the outer span region in a spanwise direction towards the tip and is more than 2.2 in the outer span region.

Inventors:
BEACHER BRENT FRANKLIN (US)
CLARK DAVID SCOTT (US)
BREEZE-STRINGFELLOW ANDREW (US)
Application Number:
PCT/US2012/029357
Publication Date:
February 14, 2013
Filing Date:
March 16, 2012
Export Citation:
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Assignee:
GEN ELECTRIC (US)
BEACHER BRENT FRANKLIN (US)
CLARK DAVID SCOTT (US)
BREEZE-STRINGFELLOW ANDREW (US)
International Classes:
F04D29/32; F01D5/14
Foreign References:
GB2431697A2007-05-02
US20080118362A12008-05-22
EP1505302A12005-02-09
US20100054946A12010-03-04
EP1930598A22008-06-11
US5167489A1992-12-01
Attorney, Agent or Firm:
DOMBROWSKI, Joanna M. et al. (Global Patent Operation2 Corporate Drive, Suite 64, Shelton CT, US)
Download PDF:
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