Integral grid structure for providing negative pressure plenum

Details Integral grid structure for providing negative pressure plenum Integral grid structure for providing negative pressure plenum

1986-11-19

1988-05-31

Schwartz, Larry I.

98 36, 98 401, F24F 316

Patent

active

047473410

ABSTRACT:
A system for providing an airtight/particle tight hermetically sealed clean room environment (20) from which air is passed through a filter (22) includes a panel supporting grid member (24, 24a) having a negative pressure return (32) integrally formed therein for preventing air leakage into the clean room environment (20) with the grid member (24) comprising a circumferential mounting frame having an aperture therein, and a filter panel (22) which is mounted in the frame (24, 24a) in hermetically sealing engagement therewith for closing the aperture. The mounted filter panel (22) and the integral grid member (24, 24a) comprises a negative pressure plenum cavity (32) with the grid member (24, 24a) per se comprising a plenum member which allows negative pressure to be carried around the mounted filter panel (22).

REFERENCES:
patent: 3880625 (1975-04-01), Shook
patent: 4344784 (1982-08-01), Deckas et al.
patent: 4371386 (1983-02-01), DeVecchi
patent: 4549472 (1985-10-01), Endo et al.
patent: 4600419 (1986-07-01), Mattison
patent: 4601737 (1986-07-01), Gerbig
patent: 4608066 (1986-08-01), Cadwell
patent: 4634527 (1987-01-01), Marshall

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