Reverse flush gas valve

Details Reverse flush gas valve Reverse flush gas valve

1993-11-12

1995-05-23

Bushey, Charles S.

Gas separation

With nonliquid cleaning means for separating media

Cohesive filter media cleaning

55523, 137239, B01D 4600

Patent

active

054177286

ABSTRACT:
A gas valve which has provision for a reverse flow pulse of high pressure gas. The valve includes a reservoir which is loaded with high pressure gas during normal operation which is released into the main flow path by an applied pressure reduction. The valve is fitted to a porous ceramic "candle" filter between dirty and clean gas zones. The high pressure gas pulse reverses flow through the filter and blows off any aggregated dirt. A shut-off valve is arranged to shut the valve in the event the ceramic filter breaks. The valve is efficient and uses only a metered amount of high pressure gas with little loss of pressure between supply and flushing.

REFERENCES:
patent: 3778967 (1973-12-01), Kauer et al.
patent: 3937622 (1976-02-01), Hewitt et al.
patent: 4655799 (1987-04-01), Bosworth et al.

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