Various embodiments of a heat pump system are disclosed to provide improved and flexible heat pump operation when dehumidification of the conditioned space is required. In one embodiment, a heat pump system includes a heat pump loop comprising a refrigerant circuit that fluidly interconnects (1) a compressor; (2) a source heat exchanger; (3) a source heat exchanger bypass circuit comprising a bypass valve; (4) a space heat exchanger; (5) a reversing valve positioned on the discharge side of the compressor; (6) a reheat circuit comprising a reheat heat exchanger; (7) first and second expansion devices; and (8) first and second expansion device bypass circuits configured to allow refrigerant to bypass the first and second expansion devices, respectively, where the first and second bypass circuits include first and second check valves, respectively; and (9) a 3-way valve configured to selectively direct refrigerant flow to the first expansion device, the reheat circuit, and the second expansion device.

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.

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.

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.

A method of reducing moisture content of a cooling compartment includes increasing a temperature of the cooling compartment to a minimum temperature level, decreasing the temperature of the cooling compartment to a maximum temperature level, and draining any condensed moisture from the cooling compartment. A system for reducing moisture content of a cooling compartment includes a coil assembly configured to increase a temperature of the cooling compartment to a minimum temperature level and decrease the temperature of the cooling compartment to a maximum temperature level, and a drain for draining any condensed moisture from the cooling compartment.

A humidity reduction apparatus and a method for reducing the humidity of a volume of gas. The humidity reduction apparatus comprises a gas delivery conduit, at least one heat-conductive media positioned in-line within at least a portion of the gas delivery conduit, and a cooler in contact with at least a portion of the gas delivery conduit to cool the gas delivery conduit and the at least one heat-conductive media. The gas delivery conduit comprises at least one conducting portion. The first side of the cooler is configured to cool the at least one conducting portion of the gas delivery conduit and the at least one heat-conductive media. The voltage applied across the cooler is selectably reversed such that the first side heats the at least one conducting portion of the gas delivery conduit and the at least one heat-conductive media.

The invention disclosed an intelligent dehumidification device for a hot air circulation baking system, which internally includes a compressor, a condenser, a throttle valve, an evaporator, a total heat exchanger, a controller, a heat dissipation fan, a liquid level sensor, a temperature and humidity sensor, an axial flow fan, a drain solenoid valve, a condensate collecting box and a temperature sensor and externally includes a dehumidification air inlet, a dehumidification air outlet, a fresh air inlet, a heat dissipation air outlet and a condensate discharge port. The beneficial effects of present application are recovery of internal circulation waste heat, non-emission intelligent dehumidification and preservation of beneficial ingredients of the baked product for the hot air circulation baking system during the baking process can be realized, and functions of grid overpressure and undervoltage detection and protection, compressor overheat protection, delayed start after compressor shutdown, automatic condensate discharge can be achieved.

The inflation system includes a pump and a dehumidifier fluidly connected between the pump and a reservoir, such as a tire.

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.

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.