Abstract: The invention relates to a distribution device (1) for distributing liquid over an underlying catalyst bed comprising a horizontal collection tray (2) provided with at least one gas chimney (3) for upward or downward passage of gas and with liquid dosing nozzles (4) for downward passage of liquid, wherein the gas chimney(s) (3) and liquid doing nozzles (4) are separate from each other and do not have the same longitudinal axis, and wherein each liquid dosing nozzle (4) comprises a concentrically arranged liquid passing hole (5) and splash plate (6), wherein the splash plate (6) is located below the liquid passing hole (5) and below the collection tray (2) such that there is a free fall distance for liquid of at least 100 mm between the hole (5) and the splash plate (6). The invention further relates to a reactor for hydroprocessing comprising such distribution device (1), the use of such reactor for hydroprocessing and a process for hydrocracking or hydrotreating in such reactor.

Abstract: A water curtain is provided which includes a drape assembly having a drape hood, material drape, float overflow shut-off, collection return, a drainage line solenoid which preferably is electric, a drainage line, a filter, drape solenoid which preferably is electric, a drape feed line, a pump, a pump power line, an on/off switch to a power source which preferably is a ground fault circuit interrupter (GFCI) power line for obvious safety concerns, a feed line, and a shutoff valve. The water supply may be electrically controlled by solenoid valves and has a float overflow shutoff control in some embodiments.

Abstract: A retrofittable furnace humidifier system is provided. In various forms of the present disclosure, the system includes a chassis structure sizable to be cooperative an air filter receptacle located between a furnace box and an air supply duct. The system additionally includes a water retention panel mounted to the chassis structure. Water flows through and is retained by the retention panel. The water is absorbed by air flowing through the water retention panel into the furnace box, thereby humidifying and filtering the air. The system further includes a water supply and drain system that forms at least a portion of the chassis structure. The supply and drain provides water to and channels water away from the water retention panel.

Abstract: An evaporative cooler comprises a housing having an upper surface and at least one vertical wall defining a chamber. The upper surface can include at least one opening in communication with the chamber. The evaporative cooler can also comprise at least one drain slit assembly for distributing a fluid and further comprise at least one screen. The screen can define a portion of the vertical wall. The screen can have an interior surface and an exterior surface relative to the chamber. In addition, the screen can be disposed relative to the drain slit assembly such that the drain slit assembly distributes the fluid over the screen. The screen can be configured such that the fluid forms a surface fluid layer over the surfaces of the screen. The evaporative cooler can further comprise an air conveyor disposed within the housing for drawing air through the opening and into the chamber such that the air is conveyed through the screen and the fluid layer.

Abstract: An evaporative cooler apparatus is disclosed. The evaporative cooler apparatus comprises a bottom and a top, where the bottom and the top are identically dimensioned, and where the top and the bottom are interchangeable. The evaporative cooler apparatus further comprises a U-shaped vertical element disposed between the bottom and the top, where that vertical element comprises a porous material. The evaporative cooler apparatus does not comprise one or more metal or plastic sides formed to include a plurality of apertures.

Abstract: An evaporative element and clip system for supporting the evaporative element in a humidifier includes a humidifier housing having an evaporative element support and an evaporative element having a water retaining media layer and at least one support layer, where the evaporative element is attached to the support layer. This system also has a clip having at least a first and a second wall, a hook and a connecting bridge. The walls removably grip the evaporative element support by friction and are connected to each other by the connecting bridge. The hook is attached to the first wall, wherein the support layer supports the evaporative element when it is removably attached to the hook.

Abstract: An evaporative cooler, including one or more media modules, distributes water from a source of water to each module through a constant flow valve. A distribution unit at each media module includes a spray bar for spraying water through a plurality of uniformly spaced holes having an aggregate area equivalent to or less than twenty five percent (25%) of the internal cross sectional area of the spray bar. A distribution cap distributes the streams of water to the underlying media module(s) and the water dripping from the media module(s) is drained. A fan or other air moving device draws air through the media module(s) to obtain cooled air resulting from evaporation of water flowing downwardly along the media module(s).

Abstract: A water distribution system for wetting an evaporative media pad includes a nozzle spraying a stream of water onto a water distributor that diverts the stream into at least two different portions. A plurality of fingers extend in at least two different directions to direct the two portions onto different locations of the media pad.

Abstract: A liquid cleaning device comprises a vessel (1), a bottom plate (3), a heating device and a tubular riser (12) arranged in the vessel for heated liquid ascending through the riser, the heated liquid from the upper, open end of the riser running back through force of gravity down and outside of the riser to be reheated and ascend agains through the riser, and so on. The vessel—61) is cylindrical and substantially its entire base (17) can be heated by means of the heating device (171). A plurality of discs (51–54) of equal size are arranged in the upper part of the vessel (1), said discs having a central aperture (510) for the riser (12) and a plurality of small holes (511) distributed uniformly across the entire surface of the discs and provided with drip edges (5110). A distributor (14) is arranged at the upper, open end of the riser (12) to distribute the hot liquid coming out of the ruser uniformly over the uppermost disc (51).

Abstract: An evaporative cooling system is disclosed. The system includes a housing including a metal base sheet and a metal side wall and having at least one opening fitted with an evaporative medium pad and an exhaust vent. A pump is configured to disperse water over the evaporative medium pad. A pan is configured to receive the water. The pump is configured to cooperate with the pan to recirculate the water. An exhaust fan is configured to draw air into the housing through the evaporative medium pad and out the exhaust vent. The metal side wall of the housing is at least partially pressed into the metal base sheet of the housing to form a joint having a corrosion resistant coating.

Abstract: An evaporative cooling system that can be easily transported and set up quickly in indoor or outdoor environments to provide effective cooling to a sizable area in a short time period. The system can be operated from standard AC household electrical power, or from a 12-volt DC power source, such as a car or marine battery. The system water tank can be filled with water, or connected to a water source for continual refilling. The system can also be used with a light-weight water source, holding approximately 2 liters of water for temporary cooling, or without water to move large volumes of air.

Abstract: An adaptable evaporative element for a humidifier or the like is described. The evaporative element having separable layers, such that the thickness of the evaporative element is adaptable by varying said evaporative element between a separated and an unseparated configuration. An alternate embodiment uses removable fasteners attachable to the ends of a cuttable strip of evaporative layers to form a circular evaporative element. The evaporative element is adaptable between an uncut and one of a plurality of cut configurations. The evaporative element optionally includes an air filter media attached to its exterior.

Abstract: The invention is generally directed to an evaporative humidifier having a water distribution system capable of quietly maintaining a continuously saturated wicking element through the use of a pump and water distribution troughs that allow water to be continuously flushed onto the tops of the wicking elements such that greater humidification of the air is achieved and the life of the wicking elements are extended.

Abstract: The invention is generally directed to an evaporative humidifier having a water distribution system capable of quietly maintaining a continuously saturated wicking element through the use of a pump and water distribution troughs that allow water to be continuously flushed onto the tops of the wicking elements such that greater humidification of the air is achieved and the life of the wicking elements are extended.

Abstract: A flow through humidifier is disclosed having a water distribution tray disposed above an evaporator pad. A drip nozzle is connected with the outlet of a water supply tube and delivers discrete water drops to said water distribution tray. The drip nozzle may be located outside or inside the tray. A humidifier housing is connected with an inlet air duct which extends between a first furnace air duct and the housing and the housing outlet air duct connects with a second furnace air duct. An adjustable damperer is disposed in one of the humidifier housing air ducts for restricting air flow through the evaporator pad. In a second embodiment, water is supplied to the drip tray under control of a float valve which is actuated by a float posed in a water collection reservoir.

Abstract: The invention relates to an evaporative cooling device including a stand-alone housing that is not connected to any structure. The housing has at least one vertical side with an opening and an evaporative pad is placed inside the opening. An electric centrifugal blower is placed inside the housing to draw air through the evaporative pad and to discharge the same in a vertical direction through an opening in a top cover. The top cover has a directional spout placed over the opening to direct the air in multi-adjusted directions. The cooling device is intended to be used on wide open playing or sport fields or in open sided warehouses or work stations. A smaller size is intended to be used in semi-confined areas such as verandas, patios, lanais, porches etc. A flexible air duct can be attached to the spout so as to temporarily deliver cooled air to confined spaces such attics in a house. The spout may be adapted to oscillate back and forth to deliver air evenly across a room.

Abstract: The humidifier includes a cabinet having a rear wall, a front wall, a pair of side walls, a bottom wall and a sump defined in part by the walls at the bottom of the cabinet. The cabinet has in the interior thereof means providing communication with an air system. Retainer ears are provided on the outer surfaces of the side walls near the top thereof. An evaporator pad is mounted in the cabinet adjacent and parallel to the rear wall. A water distribution trough is disposed in the interior of the cabinet adjacent the rear wall and is located above the evaporator pad for providing a substantially uniformly distributed flow of water to the evaporator pad. A pair of mounting elements are provided on the inner surfaces of the side walls near the bottom thereof. A swingable cover is provided for opening and closing the cabinet and has a top end and a bottom end. The cover at the bottom end is provided with a pair of bearing portions which are engageable with and pivotally mounted on the mounting elements.

Abstract: A humidifier features a two piece reversible housing which is snap fit together for holding a water panel assembly and a water feed tube to supply water to a water distribution structure disposed on top of the water panel assembly. The water panel assembly is provided with an overflow arrangement for controlling any overflow of water in the water distribution structure.

Abstract: An adaptable evaporative element for a humidifier or the like is described. It includes an evaporative element having at least one fold, such that the size of the evaporative element is adaptable by varying said evaporative element between a folded and an unfolded configuration.

Abstract: The humidifier includes a cabinet having a rear wall, a front wall, a pair of side walls, a bottom wall and a sump defined in part by the walls at the bottom of the cabinet. The cabinet has in the interior thereof means providing communication with an air system. Retainer ears are provided on the outer surfaces of the side walls near the top thereof. An evaporator pad is mounted in the cabinet adjacent and parallel to the rear wall. A water distribution trough is disposed in the interior of the cabinet adjacent the rear wall and is located above the evaporator pad for providing a substantially uniformly distributed flow of water to the evaporator pad. A pair of mounting elements are provided on the inner surfaces of the side walls near the bottom thereof. A swingable cover is provided for opening and closing the cabinet and has a top end and a bottom end. The cover at the bottom end is provided with a pair of bearing portions which are engageable with and pivotally mounted on the mounting elements.

Abstract: A decorative humidifier and fountain apparatus containing water for simultaneously humidifying and purifying air is disclosed that produces soothing sights and sounds as well as efficiently cleaned and humidified air. It includes a housing and a water distributor for forming a water curtain from the water. The water curtain has a first portion and a second portion. An evaporative filter element is sized and proportioned to humidify and filter the air as it passes through the fountain. A pool is positioned so as to receive the water from the water curtain. Water is circulated from the pool to the water distributor with a water circulating means. An air circulator draws air through the first portion of the water curtain, forcing air through the evaporative element, then forcing air through the second portion of the water curtain.

Abstract: A cooling unit includes a housing (1) with an evaporating unit (7) installed on the inclined roof of a cabin and an external water reservoir (29) with a rising pump (31) installed lower down, between the cabin and the rear part of a truck. The return hose (15′) of the excess water gutter (45) coming from the evaporator has an upper end (14) connected to the front part of the gutter and then it crosses a rising stretch to leave by the rear part of the housing and descending down to its lower end which is connected at the outlet of the pump, together with the feed hose (6) of the evaporator by means of a coupling (47). The pump control is intermittent, with a duty cycle lower than 10%, sufficient to purge the return hose.

Abstract: The invention comprises a water distribution mechanism for an evaporative air conditioner that alleviates splashing of water out of that mechanism. Further, the invention alleviates the problem of water running horizontally along a distribution edge of a water distribution mechanism to drip off at the lowest point. To compensate for the splashing problem, the invention comprises a structure that requires the water exiting the water distribution mechanism strike at least one surface of the water distribution mechanism on its way down. To compensate for the problem of water running horizontally because of sags and the like, the invention comprises a plurality of teeth along the bottom edge of the water distribution bonnet that therefore forces the water to drip rather than to move horizontally.

Abstract: An evaporative cooler and method of operation is provided in which the cooler includes a liquid distributor, a body having a surface for receiving liquid from the distributor, an air moving device for generating a flow of air over the surface of the body, a heat transfer working fluid conduit having a surface arranged to receive substantially all of the liquid from the body and a liquid recirculating mechanism to recirculate the liquid from the conduit surface to the body surface. In an embodiment the body occupies a plan area larger than the plan area occupied by the conduit. In an embodiment, the conduit is located outside of the flow of air. In an embodiment, the velocity of the liquid is increased after it leaves the body and before it engages the conduit.

Abstract: An evaporative cooler (10) includes a housing having aligned upper and base panels (40, 50), and one or more air pervious side panels (70) peripherally disposed therebetween. An air inlet (52) is formed in the upper panel and the base panel collects excess water. An air pervious evaporative pad (80) formed of a fibrous material is enclosed within the housing and has a recess (82) formed therein which opens toward the air inlet. A fan (30) secured to the top panel delivers air ambient the fan into the housing and through the evaporative pad where it is cooled by an evaporative process, and the cooled air is discharged through the air outlets. A conduit and flow control system (21, 26, 27, 28, 29) is provided to supply evaporation water (25) to the evaporative pad at a rate substantially equal to the rate at which the water evaporates from the pad.

Abstract: A water entry system for entry of water to a water distribution system for an evaporative cooler includes a conduit for delivering water to at least one of the uppermost corners of the lid of the evaporative cooler. The corner having the conduit includes a capped water entry point that causes the water to form a substantially uniform curtain of water which is in turn feeds the water into a plurality of channels and thus to evaporative pads of the evaporative cooler.

Abstract: An adaptable evaporative element for a humidifier or the like is described. It includes an evaporative element having a fold, such that the size of said evaporative element is adaptable by varying said evaporative element between a folded and an unfolded configuration. Alternate embodiments use a hinge over a portion of the thickness of the evaporative element, separable layers or an attached cutting guide as additional means of adapting the evaporative element.

Abstract: A acclimatizer comprises a cabinet (1) with an evaporating unit (7) installed on the inclined roof of a cabin and an external water deposit (29) with a rising pump (31) installed lower down, between the cabin and the rear part of a truck. The return hose (15′) of the excess water collector (45) coming from the evaporator has an upper end (14) connected to the front part of the collector and then it crosses a rising stretch to leave by the rear part of the cabinet and descending down to its lower end which is connected at the outlet of the pump, together with the feed hose (6) of the evaporator by means of a coupling 47. The pump control is intermittent, with a useful cycle lower than 10%, sufficient to purge the return hose.

Abstract: A housing is permanently connected to a water supply of a building and includes an evaporative water panel allowing water to flow downwardly and wick upwardly. A circulating device is provided for directing air from the building through the water panel. A reservoir is positioned in the housing for supporting the water panel and holding excess water deposited from the water panel. A water distributor is supplied for moving water from the water supply to a top of the water panel. A water control arrangement is responsive to the water level therein for automatically controlling the flow of water to the water panel to provide a desired humidity level in the building.

Abstract: This distributor (1) includes: a primary distributor (3) which delimits a closed volume provided with liquid predistribution openings (8) which open into the column; a device for feeding the primary distributor (3) with liquid under a pressure very much greater than the internal pressure of the column; and a secondary distributor (4) which occupies substantially the entire cross-section of the column, which includes a gas overhead in communication with the internal space of the column and which is subdivided by partitions (13, 17) into a plurality of compartments (16), each of which receives liquid originating from at least one of the said openings (8) of the primary distributor (3), this secondary distributor (4) having a bottom (9) provided with orifices (12) for fine distribution of the liquid over virtually the entire cross-section of the column, the number of these orifices being very much greater than the number of openings (8) of the primary distributor.

Abstract: A water distributor provides a uniform supply of water to an evaporative panel held in a frame of an evaporative apparatus. The water distributor includes a base having a plurality of flow channels, each of the flow channels having an inlet port for receiving water from a source, an outlet port for delivering water to the evaporative panel and a tortuous path connecting the inlet port with the outlet port for providing high flow resistance so as to facilitate the consistent and even flow of water through each of the outlet ports. The volumetric flow velocity of the water is controlled within a desired range at normal water supply pressures.

Abstract: The present invention provides flow-through humidifier device having a frame assembly adapted to be secured onto an air supply duct and having a back wall with an air inlet opening, two side walls, one with an air outlet opening, top and bottom walls and a front cover wall, an evaporator assembly including a pad, a water supply member and a water drain member to supply unfiltered water at standard city pressure to and collect any excess of water from the pad member respectively. The water supply member includes a valve controlled by an air temperature electronic controller. The latter is electrically connected to a temperature sensor sensing the temperature of the air flowing and timely pulses the valve to open when the air temperature is above a pre-determined set temperature and allow for water to humidify the pad.

Abstract: The invention relates to an apparatus and process for the vaporization of liquid precursors and deposition of a film on a suitable substrate. Particularly contemplated is an apparatus and process for the deposition of a metal-oxide film, such as a barium, strontium, titanium oxide (BST) film, on a silicon wafer to make integrated circuit capacitors useful in high capacity dynamic memory modules.

Abstract: An automatic flush water distribution system for use in an evaporative cooling system includes a water distribution pipe adapted to be connected to a source of pressurized water. The pipe has a plurality of water distribution ports formed therein and a vertical flush pipe is connected at a first end to the water distribution pipe in liquid communication therewith. The flush pipe includes a second lower end and contains at least one valve seat and at least one buoyant float valve located therein between the valve seat and the water distribution pipe.

Abstract: The present disclosure relates to an evaporative cooler including first and second trays each having a longitudinal axis. Each tray includes a bottom wall and two side walls that project upward from the bottom wall and extend generally parallel to the longitudinal axis of each tray. Each tray also includes two end walls that project upward from the bottom wall and extend between the side walls. Each tray further includes spaced apart cooler media retaining members that are generally parallel to the longitudinal axis of each tray. The trays are positioned in an end-to-end relationship such that the longitudinal axes of the trays are generally aligned with one another, and one of the end walls of the first tray is positioned adjacent to one of the end walls of the second tray. The evaporative cooler also includes an elongated clip adapted to extend the between the adjacent end walls of the first and second trays for inhibiting water leakage between the adjacent walls.

Abstract: A humidifier including a housing defining an air inlet, an air outlet, an air flow path between the inlet and outlet and a liquid reservoir; a blower system for producing air flow between the inlet and the outlet; and a retainer removably mounted in the housing and shaped and arranged to support a liquid absorbent evaporator pad in the air flow path. Also included is an ejector mechanism movable relative to the retainer and operable to eject the evaporator pad from the retainer means. The ejector mechanism simplifies replacement of a dirt clogged evaporator pad.

Abstract: A liquid distributor for a packed liquid-vapor contact column includes a header tank; a liquid distribution plate having vapor riser passages and a multiplicity of discrete reservoir cells each having an aperture for flow of liquid therefrom into the column; and conduits for feeding liquid from the header tank into each cell. The liquid distribution plate preferably has a uniform criss-cross structure with alternating vapor riser passages and reservoir cells of identical shape and size. The conduits may have two or more sections each feeding a discrete group of reservoir cells from a location of the header tank at an elevation spaced from that of the other section(s). The distributor compensates for column sway or tilt when mounted on, for example, a ship.

Abstract: An evaporative humidifier including a portable housing defining an air inlet, an air outlet, an air flow path between the inlet and the outlet, and a liquid reservoir; a blower system including a fan blade for producing air flow through the path between the inlet and the outlet; and a liquid absorbent evaporator pad disposed above the reservoir and in the path between the inlet and the outlet; the pad being a hollow cylinder and having a top surface, a bottom surface, and radially spaced apart cylindrical and coaxial inner and outer surfaces; and wherein the air flow path includes an axial section at least partially defined by the inner surface, and a transverse section communicating with the outer surface.

Abstract: A device for humidifying and washing air in which a hollow body of a sculptured configuration in a collecting container is supplied with water by a recycling pump so that the water cascades down the outer surface of the body and along the inner surface thereof which can be provided with steps. A mesh can be located within the body and the body can have openings at the top and bottom for enabling air to enter and leave the interior of the body.

Abstract: A humidifier pad with multiple layers of slit and expanded paper laminated together. At least one, and in some preferred embodiments, up to half of the paper layers comprise substantially nonwicking paper and the remaining layers comprise highly absorbent wicking paper. Wick type humidifier pads are particularly useful in humidifiers wherein the lower portion of the pad is submerged in a reservoir of water. The upper portion of the pad, exposed to a flow of air to be humidified, is supplied with water due to the high rate of capillary rise featured by the wicking paper layers. Including non-wicking layers wetted by the wicking layers provide an output capacity comparable to conventionally constructed pads which include all wicking paper layers and an attendant saving of the cost of materials.

Abstract: A gas and liquid contact apparatus is disclosed having a vertically orientated containing vessel including a sidewall. At least one grid assembly is positioned within the containing vessel transverse to and concentric about a vertical center line of the vessel. Liquid and gas are injected into the vessel at specified flow rates whereby a fluidized zone results. Various techniques are disclosed for rotating the fluidized zone resulting from the interaction of the gas and liquid in the direction of the Coriolis rotational effect at the geographical point of use of the apparatus.

Abstract: A gas liquid contact structure having a plurality of corrugated woven wire sheets alternated with rigid support members to separate and support the woven wire sheets. The vees or peaks of the corrugations are aligned and oriented in the same direction with the rigid support members separating and preventing the corrugations from nesting together.

Abstract: A nozzle assembly for the water distribution tray of a humidifier has at least one arm which cooperates with a feature such as a slot on a tray wall, to hold the nozzle assembly in a desired position above a water distribution area of the tray. In a preferred embodiment, the nozzle assembly has two pairs of arms for mounting the nozzle assembly to the tray. Each pair of arms together form a wishbone shape. The arm ends of each pair can be deflected toward each other to permit the ends to enter a slot on the tray wall. When the arm ends are released within the slot, they latch with the slot to hold the nozzle assembly in the desired position.

Abstract: A water distribution system for use with an evaporative cooling pad having a top and first and second sides includes a water distribution pipe which has at least one water discharge outlet in its periphery. The pipe is mounted above the top of the pad and a water distribution unit extends along the top of the pad intermediate its first and second sides. The water discharge opening in the pipe is located to direct water against a deflector plate integrally formed in the deflector unit and having a predetermined configuration to direct water from the pipe onto the top of the pad. In addition, the pipe is mounted to rotate relative to the deflector plate in order to selectively expose the openings in a position facing away from the plate for cleaning.

Abstract: A water/air treatment system includes at least one water/air treatment unit, each water/air treatment unit including a water trough, a water pipe having a top end connected to a water source and a bottom end dipped in the water trough, and an expansion pipe suspending in the water pipe, the expansion pipe having a top end connected to a forced air source, a bottom end dipped in the water trough, and a plurality of air holes through the periphery for permitting forced ozone from the forced air source to flow out of the expansion pipe for mixing with water from the water source in water pipe so as to kill microbes and to exchange heat.

Abstract: The invention provides a conversion means for converting a fixed type evaporative cooler (10) to a mobile type that includes a base with an opening (15), a sump (14) which can be of a size to suit one or more large coolers, means to accommodate a pump in the sump, wheels (24) firmly attached to the sump for support and mobility thereof, a filling station (22) for depositing water into the sump, and means to secure the sump to the base of a large cooler (12). The means to accommodate the pump includes a buoyant platform (16) thereby enabling the pump to remain in communication with fluid in the sump irrespective of the fluid level.

Abstract: A preformed non-ferrous shield which will fit against but stand off of the interior side walls of the wet section of a single inlet evaporative cooler. It has molded in air access channels in one side. These air access channels permit the differential in air pressure between the inside and outside of the cooler cabinet, when the cooler is in operation, to actively draw a flow of dry air into and between the shield and the cooler's wet section interior side walls thereby retarding all forms of corrosion but specifically retarding anaerobic corrosion, oxidation of a ferrous material caused by the absence of free oxygen molecules. The shield is formed of a thin, flexible, impermeable material which forms a barrier that provides for a convenient structure for blocking water from flowing onto the interior side walls of the cooler's wet section during operation and provides for the immediate evaporation of remaining moisture caused by sweating after the cooler is turned off.

Abstract: A flow through humidifier includes a media, a water supply assembly to supply inlet water from a source to the media, a collector to collect unevaporated water from the media, and a reflow pump to pump the unevaporated water from the collector and to combine the unevaporated water with the inlet water from the water supply assembly, thus enabling more water to pass over the media for evaporation.

Abstract: A downcomer having a screened or otherwise liquid permeable wall is provided for use in a mass transfer or distillation column. The liquid permeable wall provides another avenue for liquid to be removed from the downcomer to increase the liquid handling capacity of the downcomer. When wetted, the liquid permeable wall provides a barrier against vapor entry into the downcomer through the wall.

Abstract: A humidifier (10) includes a water distribution tray (18) that functions to substantially uniformly distribute water to an evaporator pad (16) even when the distribution tray (18) is tilted and regardless of the rate of water flow. The distribution tray (18) includes a plurality of channels (100) that each lead from a liquid reception area (104) to an opening (106) in the bottom wall (82) of the tray (18). A wick (110) fabricated from a water absorbent material is carried by the tray (18) at the reception area (104). The wick (110) may extend at least partially into each channel (100), and absorbs water and pushes it into each of the channels (100) through capillary action. Thus, each channel (100) receives water even if the tray (18) is tilted. The humidifier (10) also has a damming rib (72) that prevents water from draining from the pad (16) out of the humidifier (10).