Bolt On Seal Ring
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United States of America Patent
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Issued Date -
Oct 19, 2017
app pub date -
Apr 15, 2016
filing date -
Apr 15, 2016
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A device to route cooling air to a turbine blade is provided. The device includes a seal ring having an L-shaped cross section configured to abut a turbine disc. The seal ring includes a radial portion extending radially with respect to a rotor and an axial portion extending axially with respect to the rotor. The seal ring also includes a plurality of radial cooling holes disposed within the radial portion of the seal ring and arranged circumferentially around the seal ring. The plurality of cooling holes route cooling air from a device configured to impart tangential momentum to the cooling air to a turbine blade in order to cool the turbine blade. A system and a method to improve a flow of rotor cooling air to a turbine blade are also provided.
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