HARVEY D KUCHERER
Engineers in Monroeville, PA
License number
Pennsylvania PE013863E
Category
Engineers
Type
Professional Engineer
Address
Address
Monroeville, PA 15146
Professional information
Flexible Stabilizer For Degraded Heat Exchanger Tubing
US Patent:
4590991, May 27, 1986
Filed:
Jan 9, 1984
Appl. No.:
6/569078
Inventors:
Frank W. Cooper - Monroeville PA
Thomas M. Epperson - Penn Township, Lancaster County PA
Gregory L. Calhoun - Allegheny Township, Armstrong County PA
Harvey D. Kucherer - Monroeville PA
Thomas M. Epperson - Penn Township, Lancaster County PA
Gregory L. Calhoun - Allegheny Township, Armstrong County PA
Harvey D. Kucherer - Monroeville PA
Assignee:
Westinghouse Electric Corp. - Pittsburgh PA
International Classification:
F28F 700
US Classification:
165 69
Abstract:
A flexible vibration stabilizer and method for reducing vibration in a tube in a shell and tube heat exchanger wherein the stabilizer is an elongated flexible cable or chain which may have a plurality of rigid members loosely or fixedly mounted thereon. A plug may be used for simultaneously mounting the stabilizer to the tube and for sealing same.
Tube Plug
US Patent:
4390042, Jun 28, 1983
Filed:
Jul 30, 1980
Appl. No.:
6/173550
Inventors:
Harvey D. Kucherer - Monroeville PA
Ralph W. Kugler - Mt. Lebanon PA
Stuart L. Rieben - Mt. Lebanon PA
John J. Wilhelm - New Kensington PA
Mark E. Wylie - Monroeville PA
Ralph W. Kugler - Mt. Lebanon PA
Stuart L. Rieben - Mt. Lebanon PA
John J. Wilhelm - New Kensington PA
Mark E. Wylie - Monroeville PA
Assignee:
Westinghouse Electric Corp. - Pittsburgh PA
International Classification:
F16L 5512
US Classification:
138 89
Abstract:
The tube plug comprises a shell having a tapered inner surface against which an externally tapered expander member moves by application of a pulling force. The motion of the expander member relative to the shell causes the shell to expand into contact with a heat exchange tube thereby plugging the tube. The expander member is formed from a hardened metal with tangentially blended leading radius and a self-locking trailing edge which provides for ease in expanding the shell while preventing inadvertent unlocking of the plug. The shell has a substantially uniform wall thickness throughout the portion of the shell which experiences expansion so that the force necessary to perform the expanding process does not increase beyond the strength limitations of the installation equipment as the expander member is moved through the shell. The shell also has a plurality of lands on the outside surface thereof whose depth increases from closed end to open end of the shell so that a uniform wall thickness can be maintained in that region while allowing the lands to contact the inner surface of the heat exchange tube.