CENTRIFUGAL COMPRESSOR WITH LABYRINTH SEAL
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Sep 7, 2023
filing date -
Sep 7, 2023
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Abstract
A compressor for an HVAC system includes a stator and a rotor. The stator has a stator profile. The rotor has a rotor profile. The rotor is rotatable about a rotational axis. The stator and the rotor are separated from each other by a gap formed between the stator profile and the rotor profile. The gap includes an inlet, an outlet, and at least two cavities connected by a channel. Each cavity includes a first concave portion defined by the stator profile and a second concave portion defined by the rotor profile. The first concave portion is positioned at least partially opposite from the second concave portion. The first concave portion extends in a first direction and the second concave portion extends in a second direction opposite to the first direction. The first direction and the second direction are within about 45 degrees of opposite of each other.
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