Economizer control systems and methods
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United States of America Patent
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Apr 18, 2023
Grant Date -
Jul 15, 2021
app pub date -
Jan 10, 2020
filing date -
Jan 10, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
An economizer control system includes a compressor including a compression area, a piston chamber, and an economizer inlet configured to receive economizer vapor into the compression area via a flow path that extends between the economizer inlet and the compression area. At least a portion of the flow path traverses the piston chamber. The economizer control system also includes a piston disposed within the piston chamber and configured to contact the economizer vapor. The piston is moveable between an open position that opens the flow path and a closed position that closes the flow path. Additionally, the economizer control system includes a biasing system configured to apply force to the piston to bias the piston toward the closed position.
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