RICHARD W JONES
Engineering in Melrose, MA
License number
Massachusetts 7165
Expiration Date
Jun 30, 1990
Type
Mechanical Engineer
Address
Address
Melrose, MA 02176
Professional information
Method For Fabricating A Steam Turbine Diaphragm
US Patent:
4509238, Apr 9, 1985
Filed:
Mar 21, 1983
Appl. No.:
6/477345
Inventors:
Lester H. Lee - Braintree MA
Kathryn M. Johnson - Salem MA
Richard W. Jones - Melrose MA
Kathryn M. Johnson - Salem MA
Richard W. Jones - Melrose MA
Assignee:
General Electric Company - Lynn MA
International Classification:
B21K 304
US Classification:
291568R
Abstract:
Blades in the steam path of a steam turbine diaphragm are assembled into slots in full circular bands and are structurally bonded thereto by welding. After stress relief, the bands are each separated into two 180 degree pieces by line cuts which pass between adjacent blades. The bands are then welded to semicircular rings having planar mating surfaces. The welding of the rings to the bands is performed with minimum welding without concern for whether the welds enter the interface sufficiently far to contact the blades themselves.