Method for preventing an obstruction from being trapped by suction to an inlet of a pool filter pump system, and lint trap cover therefor
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United States of America Patent
Stats
-
Jun 26, 2001
Grant Date -
N/A
app pub date -
Sep 16, 1999
filing date -
Sep 17, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for preventing an obstruction from being trapped by suction to an inlet of a pool filter pump system, and a lint trap cover therefor. The cover is for installation on a lint trap unit located upstream of a pool filter pump, and is configured to vent air into the lint trap unit when a vacuum level within the unit exceeds a specified vacuum limit, as is the case if the drain or another inlet connected to the lint trap unit is partially or completely obstructed, such as by a child or foreign object. The rapid influx of air eliminates the vacuum within the pump and suction lines and, therefore, the resulting unsafe condition. The lint trap cover preferably has a damped mode of operation so that the pump system does not recover before the obstruction is removed. The cover can be manufactured as original equipment for the lint trap unit, or an existing cover can be modified to include the components required for venting the lint trap unit without requiring any modifications to the remaining pump system. As such, the present invention provides for a simple installation and can be readily fitted to an existing pool pumping system.
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Family
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Cited Art Landscape
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