Gas separation – With nonliquid cleaning means for separating media – Relatively movable pneumatic nozzle
Patent
1977-04-04
1978-06-27
Nozick, Bernard
Gas separation
With nonliquid cleaning means for separating media
Relatively movable pneumatic nozzle
55302, B01D 4604
Patent
active
040972550
ABSTRACT:
A system for producing a reverse blast of air to dislodge from an air-filter element contaminents that are captured on the surface of the element in response to forward flow through the element. A manifold pipe spanning one or more openings at the outlet end of the filter elements and a nozzle supported on the manifold pipe in alignment with each element opening. Associated with the nozzle and secured to the manifold pipe for rotation in unison therewith is a venturi which, when rotated into an active position substantially covers the opening so that when air is supplied through the manifold pipe to the nozzle, the reverse blast is effective in dislodging contaminents on the exterior of the element. The manifold pipe is rotatable to an inactive position at which the venturi and nozzle are virtually clear of the outlet openings so as to avoid impedence to air flow through the filter.
REFERENCES:
patent: 3169109 (1965-02-01), Hirs
patent: 3395517 (1968-08-01), Lang et al.
patent: 4007026 (1977-02-01), Groh
Pulseflo -- Joy Mfg. O -- Western Precipitation Div. Catalogue No. PF-100 dfd 03/24/70 pp. 1-4.
Nozick Bernard
Olson Thomas H.
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