Appeal No. 1998-0425 Page 42
Application No. 08/272,527
16. Apparatus according to claim 1, 2, 3 or 4 wherein
the elements are multipore diffusion elements that are free of
fastener through-holes, with at least the majority of the
elements being mounted on their own individual plenums and
having their own individual flow regulating means which
include flow regulating orifices of fixed or auto-adjustable
size positioned beneath said elements.
17. Apparatus according to claim 2 or 3 wherein the
retaining means are located at the element peripheries.
18. Apparatus according to claim 1, 2, 3 or 4 wherein
the retaining means extend about the entire peripheries of the
elements.
19. Apparatus according to claim 1, 2, 3 or 4 wherein
the retaining means secure the elements about their entire
peripheries.
20. Apparatus according to claim 1, 2, 3 or 4 wherein
there is indirect contact between the elements and the
retaining means.
21. Apparatus according to claim 1, 2, 3 or 4 wherein
the retaining means are rings positioned at the peripheries of
the elements.
22. Apparatus according to claim 21 wherein the rings
have upright, cylindrical walls that surround the peripheries
of the elements.
23. Apparatus according to claim 21 wherein the rings
have horizontally, inwardly extending flanges partly overlying
said elements for directly or indirectly placing down-pressure
on said elements at their peripheries.
24. Apparatus according to claim 21 wherein the rings
have upright, cylindrical walls that surround the peripheries
of the elements and horizontally, inwardly extending flanges
partly overlying said elements for directly or indirectly
placing down-pressure on said elements at their peripheries.
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