Gas separation – Two or more separators – Spaced for parallel flow of gas
Patent
1988-01-20
1989-09-12
Hart, Charles
Gas separation
Two or more separators
Spaced for parallel flow of gas
55497, 55499, 55516, 55521, B01D 4602
Patent
active
048656364
ABSTRACT:
An interlocking wedge for pleated paper filter elements of the type having a plurality of pleated paper filter panels secured in a frame in a zig-zag configuration with plural apexes adjacent both the upstream and downstream ends of the frame forming plural wedge shaped air inlet and outlet spaces and a plurality of elongated V-shaped spacing wedges disposed in the downstream wedge shaped air outlet spaces adjacent the panels wherein the downstream end of each of the wedges extends transversely through one of the outlet openings in the downstream end of the frame and define recessed areas so as to provide an interference fit between said portions of the wedges in the downstream end of the frame to interlock the wedges with the frame and thereby prevent lateral separation of the wedges with respect to the frame upon the element being subject to uneven loading.
REFERENCES:
patent: 3138443 (1964-06-01), Engle et al.
patent: 3402531 (1968-09-01), Farr
patent: 3430420 (1969-03-01), Gross
Farr Company
Hart Charles
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