Auto drain plug for a filtration apparatus
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United States of America Patent
Stats
-
Jan 19, 2021
Grant Date -
Dec 21, 2017
app pub date -
Dec 10, 2015
filing date -
Dec 18, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A filtration apparatus comprises a housing defining an internal volume sized to receive a filter element, an inlet for receiving a fluid and an outlet for expelling the fluid. A retention mechanism is disposed in the housing having a ball plug operatively connected thereto and selectively displaceable in an axial direction relative to the housing. An engagement member is disposed within the housing and comprises a port having an opening and a ramp. A portion of the port is disposed within the outlet. The ball plug is movable between a first position, in which the ball plug rests on the ramp, does not seal the opening of the port and fluid can be expelled from the housing port, and a second position in which the ball plug is aligned with the port, the ball plug seals the opening of the port and the fluid cannot be expelled from the outlet.
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