HEAT PIPE TEMPERATURE MANAGEMENT SYSTEM FOR WHEELS AND BUCKETS IN A TURBOMACHINE
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United States of America Patent
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Issued Date -
Jan 18, 2018
app pub date -
Apr 2, 2015
filing date -
Apr 2, 2015
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Abstract
A turbomachine includes a compressor configured to compress air received at an intake portion to form a compressed airflow that exits into an outlet portion. A combustor is operably connected with the compressor, and receives the compressed airflow. A turbine is operably connected with the combustor, and receives the combustion gas flow. The turbine has a plurality of wheels and a plurality of buckets. The turbine receives compressor bleed off air to cool the wheels and buckets. A cooling system is operatively connected to the turbine. The cooling system includes a plurality of heat pipes located axially upstream of at least one of the wheels. The heat pipes are operatively connected to a bearing cooler system. The heat pipes and the bearing cooler system are configured to transfer heat from the compressor bleed off air to one or more heat exchangers.
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