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US 2013/0256996 A1Published application
Shiplap plate seal
AssigneeGeneral Electric Company
InventorMatthew Troy Hafner
Life of this patent
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Abstract
A seal plate assembly for a turbine rotor includes at least one inner shiplap seal plate disposed on the rotor; and at least one outer seal plate adapted to engage the at least one inner shiplap plate. The thickness of the at least one outer seal plate is different than the thickness of the at least one inner shiplap plate causing either the at least one inner shiplap plate or the at least one outer seal plate to come into contact first under centrifugal load.
Claims20
A seal plate assembly for a turbine rotor comprising:
- a pair of inner shiplap seal plates disposed on the rotor;
- and
- an outer seal plate, the outer seal plate adapted to engage the pair of inner shiplap plate, wherein the thickness of the outer seal plate is different than the thickness of the pair of shiplap plate.
A sealing system for a turbine rotor comprising:
- a plurality of inner shiplap seal plates disposed on the rotor, each of the plurality of inner shiplap seal plates having a first rabbet edge and a second rabbet edge;
- and
- a plurality of outer seal plates, at least one of the plurality of outer seal plates adapted to engage the first rabbet edge of at least one of the plurality of inner shiplap seal plates, and wherein the thickness of at least one of the plurality of outer seal plates is different than the thickness of at least one of the plurality of inner shiplap plates.
Dependencies are inferred from the claim text.