Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Patent
1992-12-16
1994-03-08
Bertsch, Richard A.
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Radial flow devices
416DIG2, 415191, H01D 514
Patent
active
052922308
ABSTRACT:
A high performance steam turbine vane having a novel airfoil shape. The pressure surface of the airfoil has a substantially straight region proximate the trailing edge that provides the airfoil with adequate thickness to prevent distortion during forging. The novel shape on the suction surface is such that a first region of the suction surface downstream of the gauging point is essentially straight. Traveling in the upstream direction, the first region is followed by a second region that has a large amount of curvature. The second region is followed by a third region that has a lower curvature than the second region. The third region is followed by a fourth region of constantly increasing curvature that increases to a curvature greater than the curvature of the second region. The fourth region is followed by a fifth region, ending at the leading edge, of essentially constant large curvature that includes the maximum curvature throughout the suction surface.
REFERENCES:
patent: 3475108 (1969-10-01), Zickuhr
patent: 4080102 (1978-03-01), Schwab
patent: 4695228 (1987-09-01), Purcaru
patent: 4900230 (1990-02-01), Patel
patent: 4919593 (1990-04-01), Brown
patent: 4968216 (1990-11-01), Anderson et al.
patent: 5035578 (1991-07-01), Tran
Bertsch Richard A.
Jarosik G. R.
Sgantzos Mark
Westinghouse Electric Corp.
LandOfFree
Curvature steam turbine vane airfoil does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Curvature steam turbine vane airfoil, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Curvature steam turbine vane airfoil will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-149941