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INTERNALLY-COOLED CENTRIFUGAL COMPRESSOR WITH COOLING JACKET FORMED IN THE DIAPHRAGM

United States Patent Application

20140321971
A1
View the Complete Application at the US Patent & Trademark Office
An internally-cooled centrifugal compressor having a shaped casing and a diaphragm disposed within the shaped casing having a gas side and a coolant side so that heat from a gas flowing through the gas side is extracted via the coolant side. An impeller disposed within the diaphragm has a stage inlet on one side and a stage outlet for delivering a pressurized gas to a downstream connection. The coolant side of the diaphragm includes at least one passageway for directing a coolant in a substantially counter-flow direction from the flow of gas through the gas side.
Moore, James Jeffrey (Midlothian, TX), Lerche, Andrew Hampton (San Antonio, TX), Moreland, Brian Scott (San Antonio, TX)
DRESSER-RAND COMPANY (Olean NY)
14/ 326,231
July 8, 2014
STATEMENT OF GOVERNMENT INTEREST [0002] This invention was made with government support under Government Contract No. DE-FC26-05NT42650 awarded by the U.S. Department of Energy. The government has certain rights in the invention.