Casing for a gas-liquid contact unit

Claim 1

IN A HUMIDIFYING APPARATUS, (A) TOP AND BOTTOM CASING SECTIONS, (B) MEANS TO SEPARABLY JOIN SAID SECTIONS AT A GENERALLY HORIZONTAL PARTING LINE TO FORM A HUMIDIFIER CASING HAVING A TOP, A FLOOR, SIDE WALLS, AND END WALLS, (C) ONE OF SAID END WALLS HAVING AN OPENING FOR PASSAGE OF GAS THERETHROUGH, (D) A GAS FLOW FAN DISPOSED WITHIN SAID INWARDLY OF SAID END WALL OPENING, (E) MEANS TO ROTATE SAID FAN, (F) AN INTEGRAL MEMBER VERTICALLY DISPOSED WITHIN SAID CASING AND COMPRISING; (1) AN INNER VERTICAL SHROUD WALL EXTENDING BETWEEN THE CASING SIDE WALLS AND WITH SAID SHROUD WALL HAVING A CENTRAL OPENING WITHIN WHICH SAID FAN IS DISPOSED, (2) A SIDE WALL SEPARATE FROM THE CASING SIDE WALLS AND EXTENDING FROM EACH VERTICAL EDGE OF SAID SHROUD WALL TO ADJACENT BUT SPACED SLIGHTLY INWARDLY OF SAID END WALL OPENING, (3) EACH OF SAID LAST-NAMED SIDE WALLS HAVING AN OFFSET SHOULDER THEREIN, (4) AND A RIB DISPOSED ADJACENT THE OUTER END OF EACH OF SAID LAST-NAMED SIDE WALLS AND EXTENDING INWARDLY AND GENERALLY PARALLEL TO SAID OFFSET SHOUDLERS; (G) A VERTICAL GAS-LIQUID CONTACT UNIT SUPPORTED BY SAID FLOOR AND SUPPORTINGLY DISPOSED BETEEN THE SAID OFFSET SHOULDERS AND THE SAID RIBS, (H) A GROOVE DISPOSED IN SAID FLOOR AND RECEIVING THE BOTTOM EDGE OF SAID INTEGRAL MEMBER, (I) A GROOVE DISPOSED IN SAID TOP AND RECEIVING THE TOP EDGE OF SAID INTEGRAL MEMBER WHEN SAID TOP AND BOTTOM CASING SECTIONS ARE JOINED, (J) AND MEANS DISPOSED ABOVE SAID INTEGRAL MEMBER TO SUPPLY LIQUID TO THE UPPER PORTION OF SAID UNIT.