Cast filter assembly-modular design
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United States of America Patent
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Feb 23, 2021
Grant Date -
Dec 20, 2018
app pub date -
Jun 20, 2017
filing date -
Jun 20, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A filter assembly has a one-piece cast metal pressure vessel with an inlet port communicating only with an inlet chamber and an integral offset bulkhead forming a separate filtrate chamber on the opposite side of the bulkhead having an upper exit port and lower exit port on opposite sides of the filtrate chamber. A filter assembly is disposed through an aperture in the bulkhead with the filter inlet side communicating only with the inlet chamber and the filter outlet side communicating only with the filtrate chamber. An access opening is provided in the top of the pressure vessel with a lid for changing filters. A closure member attached over the lower exit port configures the assembly for simplex operation. Relocating the closure member to cover the upper exit port on a pair of the pressure vessels with filters therein readily configures the pair for attachment to opposite sides of a central diverter valve for duplex filtering operation without rework of either of the pair of pressure vessels.
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