Abstract: A portable dehumidifier includes a plurality of recesses along a top edge of the portable dehumidifier and a plurality of protrusions along a bottom edge of the portable dehumidifier. The plurality of recesses permit a second portable dehumidifier to stack on top of the portable dehumidifier, and the plurality of protrusions permit the portable dehumidifier to stack on top of the second portable dehumidifier. The portable dehumidifier also includes a plurality of microchannel condenser coils and a fan located adjacent to the airflow outlet, the fan is configured to generate an airflow that flows into the portable dehumidifier through an airflow inlet and out of the portable dehumidifier through the airflow outlet, the airflow flowing through an evaporator and the plurality of microchannel condenser coils in order to provide dehumidification to the airflow.

Abstract: A portable dehumidifier includes a cabinet, an evaporator, a condenser, a drain pan, multiple support legs, a compressor, and a fan. The cabinet includes an airflow inlet, an airflow outlet, and at least two wheels. The evaporator is located adjacent to the airflow inlet. The condenser is located adjacent to the evaporator and on a side of the evaporator opposite the airflow inlet. The drain pan is located at least partially below the evaporator and the condenser. The support legs extend from a bottom side of the drain pan towards the bottom side of the cabinet. The compressor is located below the drain pan. The fan is located adjacent to the condenser and on a side of the condenser opposite the evaporator.

Abstract: A desiccant wheel for a dehumidifier includes a band of material around an outer circumference of the desiccant wheel and a plurality of sprocket holes formed in the band of material. The plurality of sprocket holes are configured for coupling the desiccant wheel to a sprocket. The desiccant wheel is configured to rotate when the sprocket is rotated by a motor.

Abstract: An apparatus comprises an air inlet configured to receive an inlet airflow. The inlet airflow comprises a process airflow and a bypass airflow. An evaporator unit receives a flow of refrigerant and is cools the process airflow by facilitating heat transfer from the process airflow to the flow of refrigerant. A condenser unit receives the flow of refrigerant and (1) reheats the process airflow by facilitating heat transfer from the flow of refrigerant to the process airflow, and (2) heats the bypass airflow by facilitating heat transfer from the flow of refrigerant to the bypass airflow. The process airflow is discharged via a process airflow outlet and the bypass airflow is discharged via a bypass airflow outlet.

Abstract: A portable dehumidifier includes a plurality of microchannel condenser coils, a fan, and a control panel. The fan is located adjacent to an airflow outlet and is configured to generate an airflow that flows into the portable dehumidifier through an airflow inlet and out of the portable dehumidifier through the airflow outlet. The airflow flows through an evaporator and the plurality of microchannel condenser coils in order to provide dehumidification to the airflow. The control panel includes a status bar that is configured to light up in a plurality of colors to permit an operator to view an operational status of the portable dehumidifier.

Abstract: A portable dehumidifier includes multiple microchannel condenser coils, a fan, a water reservoir, and a bracket. The fan is located adjacent to an airflow outlet and is configured to generate an airflow that flows into the portable dehumidifier through an airflow inlet and out of the portable dehumidifier through the airflow outlet. The airflow flows through an evaporator and the plurality of microchannel condenser coils in order to provide dehumidification to the airflow. The water reservoir is located at least partially below the evaporator and is configured to store water removed from the airflow. The water reservoir includes a top that is at least partially open to capture water falling from the evaporator. The bracket is coupled to a compressor and covers a portion of the open top of the water reservoir in order to prevent the water from spilling when the portable dehumidifier is tilted at an angle.

Abstract: A dehumidifier includes an evaporator, a condenser, a fan, and a processor. In response to determining that a measured relative humidity is greater than or equal to a relative humidity set point, the processor sets the dehumidifier to a first operating mode, wherein a compressor is enabled and the fan is set to a first fan speed while in the first operating mode. The processor further determines whether the dehumidifier has been operating in the first operating mode for a predetermined amount of time, and in response, sets the dehumidifier to a second operating mode if the measured relative humidity is still greater than the relative humidity set point, wherein the compressor is enabled and the fan is set to a second fan speed while in the second operating mode. The second fan speed is greater than the first fan speed.

Abstract: A dehumidification system includes an evaporator, a condenser positioned proximate to the evaporator, and a drain pan. The drain pan is disposed at least partially below the evaporator and the condenser. The drain pan includes a top piece and a bottom piece disposed at least partially below the top piece. The top piece includes a drainage opening, and is configured to collect water condensed from the evaporator and drain the condensed water to the bottom piece via the drainage opening. The bottom piece includes an enclosed wall, and the condensed water drained from the top piece is directed into an area of the bottom piece that is at least partially surrounded by the enclosed wall.

Abstract: A portable dehumidifier includes a cabinet, an evaporator, a condenser, a drain pan, multiple support legs, a compressor, and a fan. The cabinet includes an airflow inlet, an airflow outlet, and at least two wheels. The evaporator is located adjacent to the airflow inlet. The condenser is located adjacent to the evaporator and on a side of the evaporator opposite the airflow inlet. The drain pan is located at least partially below the evaporator and the condenser. The support legs extend from a bottom side of the drain pan towards the bottom side of the cabinet. The compressor is located below the drain pan. The fan is located adjacent to the condenser and on a side of the condenser opposite the evaporator.

Abstract: A portable dehumidifier includes a plurality of microchannel condenser coils, a fan, and a retractable handle. The fan is located adjacent to an airflow outlet and is configured to generate an airflow that flows into the portable dehumidifier through an airflow inlet and out of the portable dehumidifier through the airflow outlet. The airflow flows through an evaporator and the plurality of microchannel condenser coils in order to provide dehumidification to the airflow. The retractable handle is configured to slide into and out of the portable dehumidifier and to pivot upwards and lock into a tilted position to allow for transport of the portable dehumidifier.

Abstract: A dehumidifier includes a desiccant, first and second fans, and a bracket. The first fan generates a process airflow through a first portion of the desiccant as it rotates in order to provide dehumidification. The second fan generates a reactivation airflow through a second portion of the desiccant as it rotates in order to dry the desiccant. The bracket is configured to mount the first fan within the dehumidifier. The bracket includes a first portion coupled to the first fan that supports weight of the first fan when the dehumidifier is in an upright position. The bracket also includes a support member coupled to the first portion and a side of the dehumidifier. The side member supports weight of the first fan when the dehumidifier is in a horizontal position.

Abstract: A portable dehumidifier includes a cabinet, a fan, a dehumidification system, and a compressor. The cabinet includes a front side and a back side opposite the front side, an airflow inlet located on a first side of the cabinet, and an airflow outlet located on a second side of the cabinet that is opposite the first side. The dehumidification system includes a secondary evaporator located proximate to the airflow inlet, a primary condenser located proximate to the airflow outlet, a primary evaporator located adjacent to the secondary evaporator, a secondary condenser located between the primary evaporator and the primary condenser, and a compressor. The fan is configured to generate an airflow that flows into the cabinet through the airflow inlet and out of the cabinet through the airflow outlet. The airflow flows through the dehumidification system in order to provide dehumidification to the airflow.

Abstract: A portable dehumidifier includes a cabinet and two wheel mounting brackets. Each wheel mounting bracket is configured to secure one of two wheels to the cabinet. Each wheel mounting bracket includes an inside member, a bottom member, a top member, and an outside member. The inside member includes a first axle aperture for one end of an axle. The bottom member includes one or more mounting apertures configured to permit one or more fasteners to couple the wheel mounting bracket assembly to a bottom side of a cabinet. The outside member, includes a second axle aperture for another end of the axle. The top member couples the outside member to the inside member and is coupled to an end of the inside member opposite to the bottom member. The top member includes one or more locating pins configured to be inserted into one or more locating apertures in the cabinet.

Abstract: A portable dehumidifier includes a cabinet and a pivoting handle. The pivoting handle is configured to pivot from a stored position to an engaged position. The pivoting handle includes a cross member, two extension members, and a cam arm. The cam arm is coupled to one of the extension members at an end of the extension member that is opposite the cross member. The cam arm includes a spring arm configured to engage with a locking pin coupled to the cabinet, a clearance hole configured to permit the cam arm to clear the locking pin when the pivoting handle is in the stored position, an aperture configured to permit a pivot pin to secure the cam arm to the cabinet, and a compression gap adjacent to the spring arm. The compression gap is configured to permit the spring arm to provide resistance to the pivoting handle during pivoting.

Abstract: A dehumidifier includes a cabinet, a compressor, an evaporator, a condenser, and a fan. The cabinet is configured to be installed between studs in a wall. The evaporator is installed within the cabinet above the compressor. The condenser is installed within the cabinet above the evaporator. The fan is installed between the evaporator and a back surface of the cabinet. The fan is configured to generate the airflow that flows into the cabinet through the evaporator and out of the cabinet through condenser. The airflow flows through the evaporator and condenser in order to provide dehumidification to the airflow.

Abstract: A dehumidifier includes a wheel-shaped desiccant, a first fan, and a second fan. The wheel-shaped desiccant is configured to rotate in a clockwise direction when viewed from above. The first fan is configured to generate a process airflow that flows through a first portion of the wheel-shaped desiccant in order to provide dehumidification. The process airflow enters a first side of the wheel-shaped desiccant and exits a second side of the wheel-shaped desiccant, the first being opposite from the second side. The second fan is configured to generate a reactivation airflow that flows through a second portion of the wheel-shaped desiccant in order to dry the wheel-shaped desiccant. The reactivation airflow enters the second side of the wheel-shaped desiccant and exits the first side of the wheel-shaped desiccant.

Abstract: An apparatus comprises an air inlet configured to receive an inlet airflow. The inlet airflow comprises a process airflow and a bypass airflow. An evaporator unit receives a flow of refrigerant and is cools the process airflow by facilitating heat transfer from the process airflow to the flow of refrigerant. A condenser unit receives the flow of refrigerant and (1) reheats the process airflow by facilitating heat transfer from the flow of refrigerant to the process airflow, and (2) heats the bypass airflow by facilitating heat transfer from the flow of refrigerant to the bypass airflow. The process airflow is discharged via a process airflow outlet and the bypass airflow is discharged via a bypass airflow outlet.

Abstract: A dehumidification system includes a compressor, a primary evaporator, a primary condenser, a secondary evaporator, and a secondary condenser. The secondary evaporator receives an inlet airflow and outputs a first airflow to the primary evaporator. The primary evaporator receives the first airflow and outputs a second airflow to the secondary condenser. The secondary condenser receives the second airflow and outputs a third airflow to the primary condenser. The primary condenser receives the third airflow and outputs a dehumidified airflow. The compressor receives a flow of refrigerant from the primary evaporator and provides the flow of refrigerant to the primary condenser.