Abstract: A device for cooling and dehumidifying a first stream of air includes a first heat exchanger that cools the first stream of air from a first temperature to a lower second temperature, an absorber, a regenerator and one or more pumps and conduits. The device operates under conditions where liquid desiccant removes moisture from the first stream of air in the absorber and the second temperature of the first stream of air that leaves the first heat exchanger is lower than the temperature of the liquid desiccant supplied to the absorber.

Abstract: An air conditioner comprises a plurality of plates arranged in a successively stacked configuration with portions thereof having a spaced apart arrangement, and defining between successive adjacent pairs of plates at the spaced apart portions a first and second series of discrete alternating passages wherein a first air stream is passed through the first series of passages and a second air stream is passed through the second series of passages; and said stacked configuration of plates forming integrally therewith a liquid delivery means for delivering from a source a sufficient quantity of a liquid to the inside surfaces of the first series of fluid passages in a manner which provides a continuous flow of the liquid from a first end to a second end of the plurality of plates while in contact with the first air stream.

Abstract: A heat exchange assembly comprises a plurality of plates disposed in a spaced-apart arrangement, each of the plurality of plates includes a plurality of passages extending internally from a first end to a second end for directing flow of a heat transfer fluid in a first plane, a plurality of first end-piece members equaling the number of plates and a plurality of second end-piece members also equaling the number of plates, each of the first and second end-piece members including a recessed region adapted to fluidly connect and couple with the first and second ends of the plate, respectively, and further adapted to be affixed to respective adjacent first and second end-piece members in a stacked formation, and each of the first and second end-piece members further including at least one cavity for enabling entry of the heat transfer fluid into the plate, exit of the heat transfer fluid from the plate, or 180° turning of the fluid within the plate to create a serpentine-like fluid flow path between points o

Abstract: The invention relates to a device for controlling the power consumption of one or more electric resistance heating element in a vessel containing a heatable liquid, at least one inlet for receiving a liquid having a first temperature, at least one outlet for removing liquid having a second higher temperature, and at least one thermostat for directing power to at least one heating element. The device has a detector for detecting one or more predetermined conditions in the vessel relating to the amount of liquid having the second higher temperature remaining in the vessel, and for generating an initiating signal corresponding to the predetermined condition. A controller is responsive to the initiating signal, and is configured for outputting a corresponding switching signal. A power modulator is responsive to the switching signal, and is configured for modulating power to at least one heating element.

Abstract: A heat exchange assembly comprises a plurality of plates disposed in a spaced-apart arrangement, each of the plurality of plates includes a plurality of passages extending internally from a first end to a second end for directing flow of a heat transfer fluid in a first plane, a plurality of first end-piece members equaling the number of plates and a plurality of second end-piece members also equaling the number of plates, each of the first and second end-piece members including a recessed region adapted to fluidly connect and couple with the first and second ends of the plate, respectively, and further adapted to be affixed to respective adjacent first and second end-piece members in a stacked formation, and each of the first and second end-piece members further including at least one cavity for enabling entry of the heat transfer fluid into the plate, exit of the heat transfer fluid from the plate, or 180° turning of the fluid within the plate to create a serpentine-like fluid flow path between points o

Abstract: A heat exchange assembly including at least one plate, preferably made from profile board, having a plurality of channels therein for the flow of a heat exchange fluid in a first plane which may be flat or curved and at least one inlet and outlet angled up to 90.degree. with respect to the first plane.