Diverter valve for progressing cavity pump
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United States of America Patent
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Oct 22, 2019
Grant Date -
Jan 18, 2018
app pub date -
Jun 2, 2017
filing date -
Jul 14, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A diverter valve housing is secured to an upper end of a pump. A shuttle in the diverter valve housing moves between an upper closed position and a lower open position. A floating ring has an exterior band that abuts an upper end of the shuttle to move the shuttle downward. The floating ring moves upward when the pump operates. A bushing abuts an upward facing shoulder in the floating ring and is adhered within the bushing by a layer of adhesive. The shuttle has upper and lower seals separated by upper and lower spacer rings. A stop ring between the spacer rings limits downward movement of the upper spacer ring and also limits upward movement of the lower spacer ring.
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