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Amirtharajah
Jeyaruban Amirtharajah, Niskayuna, NY US
| Patent application number | Description | Published |
|---|---|---|
| 20080296847 | Packing ring with dovetail feature - A packing ring in a multi-staged turbine that includes two ring segments joined by a dovetail feature. In some embodiments, the dovetail feature may include a male/female configuration. In other embodiments, the dovetail feature may include an insert/groove configuration. The insert of the insert/groove configuration may include a protrusion that extends from an approximately flat surface of an end of one of the ring segments. The groove of the insert/groove configuration may include a notch in an approximate flat surface of an end of one of the ring segments. The insert of the insert/groove configuration and the groove of the insert/groove configuration may be of a similar size such that the insert closely fits within the groove. | 12-04-2008 |
Jeyaruban Selliah Amirtharajah, Schenectady, NY US
| Patent application number | Description | Published |
|---|---|---|
| 20110052315 | LOOSE ANTI-ROTATION LOCK SLEEVE FOR PIPE/FLANGE ASSEMBLY - Disclosed herein is a loose anti-rotation lock sleeve design for use in a flange and pipe assembly. The design includes a lock sleeve positioned between a pipe and a flange to prevent rotation of the pipe relative to the flange. The lock sleeve includes at least two openings in a first end of the lock sleeve configured to receive at least two pipe pins extending radially outward from the pipe. The lock sleeve further includes at least four openings in a second end of the lock sleeve configured to receive at least four flange pins extending radially inward from the flange. | 03-03-2011 |
Jeyaruban Selliah Amirtharajah, Niskayuna, NY US
| Patent application number | Description | Published |
|---|---|---|
| 20110243727 | STEAM TURBINE HALF SHELL JOINT ASSEMBLY - A joint assembly for a steam turbine includes a threaded stud extending through mating openings in a first flange of the first half shell and in a second flange of the second half shell; a first nut threaded onto a first end of the threaded stud adjacent the first flange; a screw coupling the first nut to the first flange; and a dowel extending between and into the first flange and the first nut so as to bear a substantial portion of a torque load applied to the first nut compared to the screw. | 10-06-2011 |
Rajeevan Amirtharajah, Providence, RI US
| Patent application number | Description | Published |
|---|---|---|
| 20080266017 | CONTROLLING COUPLING STRENGTH IN ELECTROMAGNETIC BUS COUPLING - A controller sends signals to an electromagnetic coupler associated with a bus. The signals are arranged to set a coupling strength of the coupler. | 10-30-2008 |