Internal discharge gas passage for compressor
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United States of America Patent
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Jun 21, 2022
Grant Date -
Aug 13, 2020
app pub date -
Oct 23, 2018
filing date -
Oct 25, 2017
priority date (Note) -
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Abstract
A compressor casing having an internal gas passage includes a first bearing housing arranged at a first end of the casing, a second bearing housing arranged at a second, opposite end of the casing, and a rotor case disposed between the first bearing housing and the second bearing housing. The rotor case includes an axially extending bore within which a plurality of rotors are receivable and a hollow internal cavity isolated from the bore. The internal cavity is fluidly coupled to the bore via at least one recess. At least one exit opening is formed in one of the first bearing housing and the second bearing housing. The at least one exit opening is operably coupled to the internal cavity of the rotor case.
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