Cap for cooperating with a flow control element of a valve for a self-priming electric pump
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United States of America Patent
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Nov 1, 2016
Grant Date -
May 15, 2014
app pub date -
Nov 12, 2013
filing date -
Nov 13, 2012
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Abstract
A cap for cooperating with a flow control element of a valve for a self-priming electric pump, the valve being designed to open and close a recirculation duct for the passage of the recirculating fluid from the impeller assembly to an intake duct, the cap having a tubular body and, coaxially inside the latter, a mushroom-shaped element, which divides, with its head, the cap into a first portion and a second portion to be applied at an opening of the recirculation duct outward, respectively in the overhead and underhead installation of the self-priming electric pump, the axial space occupation of the head and of the stem of the mushroom-shaped element that is extended from the head toward the second portion defining two alternative axial positions of interaction with the flow control element of the valve in the overhead and underhead installation.
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