Multistage flash evaporators

Claim 1

A MULTI-STAGE, FLASH TYPE EVAPORATOR FOR PRODUCING DISTILLED WATER, SAID EVAPORATOR COMPRISING A PLURALITY OF CHAMBERS FORMED BY GENERALLY PARALLEL, ALIGNED PARTITION WALLS OF RECTANGULAR SHAPE AND IDENTICAL SIZE, SAID PARTITION WALLS BEING COMPLETELY BOUNDED BY TWO PAIRS OF PARALLEL SIDE WALLS, THE PARTITION WALLS BEING PERPENDICULAR TO ONE PAIR OF PARALLEL SIDE WALLS, AND AT LEAST A PORTION OF EACH PARTITION WALL BEING INCLINED WITH RESPECT TO ONE WALL OF THE OTHER PAIR OF PARALLEL SIDE WALLS, A LIQUID FLASHING SPACE IN ONE PORTION OF EACH CHAMBER AND A CONDENSING SPACE IN THE OTHER PORTION OF THE CHAMBER, SAID CONDENSING SPACE BEING OFFSET FROM THE LIQUID-FLASHING SPACE AND PROVIDED WITH A PLURALITY OF CONDENSING TUBES, A CONDENSATE COLLECTOR POSITIONED WITHIN EACH CONDENSING SPACE BENEATH THE CONDENSING TUBES, SAID CONDENSING SPACE BEING SUFFICIENTLY OFFSET WITH RESPECT TO THE LIQUID FLASHING SPACE THAT THE CONDENSATE COLLECTOR POSITIONED BELOW THE CONDENSING TUBES WILL PROVIDE A PASSAGEWAY FOR THE VAPORS TO FLOW TO THE CONDENSING TUBES AND MEANS IN EACH CHAMBER FOR RECEIVING AND DISCHARGING THE DISTILLABLE LIQUID.