Fluid filter system for snow making apparatus

Liquid purification or separation – With drip – overflow or content draining feature

Reexamination Certificate

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Details

C210S312000, C210S313000, C210S411000, C210S445000, C210S459000, C210S497300, C239S014200, C239SDIG002

Reexamination Certificate

active

06939465

ABSTRACT:
A fluid filtering system for filtering dirt and other debris from fluids being conveyed in a pipeline for snow making apparatus and other devices. An upright pipe segment is connected to a horizontal pipe segment through a pipe elbow or angle for conveying fluid such as water and/or air under pressure from the horizontal pipe segment through the pipe angle and upwardly through the upright pipe segment. A filter is provided in the upright pipe segment adjacent its lower end and an external drain is disposed in the pipe angle directly under the filter to automatically flush and clean the filter when the drain is opened.

REFERENCES:
patent: 1579485 (1926-04-01), Pasquale
patent: 3794180 (1974-02-01), Blocker
patent: 4220176 (1980-09-01), Russell
patent: 5699961 (1997-12-01), Ratnik et al.
patent: 6241802 (2001-06-01), Spears et al.
patent: 6793148 (2004-09-01), Ratnik

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