Jerome Tomio Uchiyama
Engineers at Timberview Dr, San Jose, CA
License number
Colorado 9997
Issued Date
Jun 6, 1970
Renew Date
Jul 1, 2001
Expiration Date
Jun 30, 2003
Type
Professional Engineer
Address
Address
6560 Timberview Dr, San Jose, CA 95120
Professional information
Elastomeric Passive Tensioner For Oil Well Risers
US Patent:
5363920, Nov 15, 1994
Filed:
Mar 5, 1993
Appl. No.:
8/027136
Inventors:
John V. Alexander - Santa Clara CA
Jerome T. Uchiyama - San Jose CA
Arthur F. Penner - Sunnyvale CA
Jerome T. Uchiyama - San Jose CA
Arthur F. Penner - Sunnyvale CA
Assignee:
Westinghouse Electric Corporation - Pittsburgh PA
International Classification:
E21B 1701
US Classification:
166350
Abstract:
A passive tensioner is described for accommodating the tensile loading between a floating oil production platform and a riser. The tensioner includes a stack of strut elements, each of which has a plurality of struts of an elastomeric material individually configured to respond to a compressive load by buckling in a predetermined direction, means for constraining the stack during such buckling in a direction generally orthogonal to the direction of the compressive load and means for translating the tensile loading because of ocean wave, current or other liquid action on the platform into a compressive load and applying the same to the stack.