Multi-position valve for backflushing filters

Details Multi-position valve for backflushing filters Multi-position valve for backflushing filters

1988-07-14

1989-09-05

Chambers, A. Michael

Fluid handling

With means for separating solid material from the fluid

137872, 210424, F16K 100

Patent

active

048629146

ABSTRACT:
A valve comprises a housing having an inlet port, an outlet port, and a backflush port for discharging the dirt from the filter during a backflushing operation. A first passageway interconnects the inlet port and outlet port, and a second passageway interconnects the outlet port and the backflush port. A displaceable valve member is movable to a filtering position to effect a filtering operation wherein the inlet port is connected to the outlet port via the first passageway, or to a backflushing position to effect a backflushing operation wherein the outlet port is connected to the backflush port via the second passageway.

REFERENCES:
patent: 668782 (1901-02-01), Torrance
patent: 937828 (1909-10-01), Little
patent: 3028878 (1962-04-01), Natho
patent: 3033323 (1962-05-01), Manna
patent: 3767159 (1973-10-01), Treul

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