VACUUM PRIMING SYSTEM FOR CLOSE-COUPLED PUMPS
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United States of America Patent
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Issued Date -
Oct 12, 2023
app pub date -
Apr 10, 2023
filing date -
Apr 11, 2022
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Abstract
Systems and methods described herein provide a vacuum priming system for close-coupled pumps. The vacuum priming system is mounted separately from a centrifugal pump and powered by an electric motor. An auxiliary vacuum pump pulls prime (e.g., water or another liquid) through a solenoid valve that is in turn connected to a connecting tube. At one end of the connecting tube is a screen and prime sensor. The screen filters particulates to protect the vacuum pump, and the prime sensor may detect when the centrifugal pump is primed. The vacuum priming system includes a self-contained control panel with an auto operation mode to only pull power during priming, reducing power consumption over the lifetime of the pump system and improving efficiency.
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