Regenerative moisture exchanger for gaseous media

Claim 1

A REGENERATIVE MOISTURE EXCHANGER FOR GASEOUS MEDIA COMPRISING AT LEAST THREE SECTIONS OF HYGROSCOPIC EXCHANGER BODY INLETS AND OUTLETS FOR THE MEDIA, THE SECTIONS BEING MOUNTED STATIONARILY AND IN SPACED RELATIONSHIP TO EACH OTHER, VALVES ARRANGED IN THE INLETS AND OUTLETS FOR ALTERNATELY DIRECTING THE MEDIA THROUGH THE SECTIONS, A COMMON HOUSING IN WHICH THE SECTIONS ARE ARRANGED IN THEIR SPACED RELATIONSHIP, EACH OF SAID SECTIONS BEING COMPOSED OF SUBSTANTIALLY PARALLEL THIN SHEETS WHICH CO-OPERATE IN FORMING A PLURALITY OF PASSAGES EXTENDING BETWEEN OPPOSING FACES OF THE SHEETS, SAID SHEETS BEING IMPREGNATED WITH A HYGROSCOPIC SUBSTANCE, SAID SHEETS HAVING A SUBSTANTIALLY LARGER DIMENSION IN THE SURFACE EXTENSION OF THEIR FLAT SIDES THAN IN THE LONGITUDINAL DIRECTION OF THE PASSAGES BETWEEN THE SHEETS, THE EXCHANGER BODY AND PORTIONS OF THE HOUSING DEFINING CHAMBERS BETWEEN SAID BODY AND HOUSING, SAID CHAMBERS BEING CONNECTED IN PAIRS OVER THE EXCHANGER PASSAGES, THE INLETS AND OUTLETS INCLUDING CASINGS CONNECTED TO THE HOUSING, SAID CASINGS EXTENDING TRANSVERSELY ACROSS ALL OF THE CHAMBERS, SAID CASINGS HAVING OPENINGS FACING THE CHAMBERS, AND VALVE MEMBERS PROVIDED FOR SAID OPENINGS IN THE WALL PORTION OF THE CASING FACING THE CHAMBERS.