Louver assembly including separating traps

Claim 1

A LOUVER ASSEMBLY COMPRISING, IN COMBINATION, A FRAME DEFINING RELATIVELY SPACED INLET AND OUTLET, A PLURALITY OF LOUVER BLADES SUPPORTED IN SAID FRAME AND RELATIVELY SPACED IN A DIRECTION TRANSVERSE TO THE DIRECTION BETWEEN SAID INLET AND OUTLET TO PERMIT FLOW FROM SAID INLET TO SAID OUTLET, EACH OF SAID LOUVER BLADES INCLUDING A PLURALITY OF GENERALLY ARCUATE CONCAVE-CONVEX SEGMENTS ARRANGED SERIALLY IN THE DIRECTION OF FLOW BETWEEN SAID INLET AND OUTLET, THE CONCAVE FACE OF THE ARCUATE SEGMENTS OF EACH OF SAID LOUVER BLADES BEING DIRECTED TOWARD THE CONVEX FACE OF AN ADJACENT LOUVER BLADE TO THEREBY DEFINE AN UNDULATING FLOW PATH HAVING A PLURALITY OF CHANGES IN DIRECTION BETWEEN SAID INLET AND OUTLET, A TRAP PORTIONS CONNECTED TO SAID LOUVER BLADES AT THE CONVEX FACES THEREOF AND AT SAID CHANGES IN DIRECTION AND PROJECTING OUTWARDLY TO SAID CONVEX FACES INTO THE FLOW PATH BETWEEN ADJACENT LOUVER BLADES, SAID TRAP PORTIONS BEING DIRECTED TOWARD SAID INLET.