Abstract: Cooling systems are provided. The cooling systems include a plurality of cooling units. Each cooling unit has a base having a housing with control components, a cooling tower attached to the base at a first end of the cooling tower, with an inner flow path and an exterior surface, and an air distribution system attached to the cooling tower at a second end. The air distribution system includes an air distribution chamber between first and second enclosures, cool and warm air dispensers are configured in the first enclosure, and a cover is disposed on an exterior of the enclosures. The control components are configured to convey air through the base, the cooling tower, and the air distribution system to dispense air through the air dispensers. At least two of the cooling units of the plurality of cooling units are arranged in a linear arrangement.

Abstract: Cooling units are provided. The cooling units include a base having a housing with control components and a cooling tower attached to the base having an inner flow path and an exterior surface. An air distribution system is attached to the cooling tower and includes an air distribution chamber defined between first and second enclosures, a cool air dispenser configured in the first enclosure, a warm air dispenser configured in the first enclosure at a location different from the cool air dispenser, and a cover disposed on an exterior surface of the second enclosure. The control components are configured to convey air through the base, the cooling tower, and the air distribution system to dispense air through the cool air dispenser and the warm air dispenser and a plurality of ducts connect the cooling tower to at least one of the cool air dispenser and the warm air dispenser.

Abstract: Cooling units are provided. The cooling units include a base having a housing with control components and a cooling tower attached to the base having an inner flow path and an exterior surface. An air distribution system is attached to the cooling tower and includes an air distribution chamber defined between the first and second enclosures and a cover is disposed on an exterior surface of the second enclosure. A plurality of dispersing apertures are formed within the first enclosure to generate a curtain of cool air to be dispensed from the air distribution system. The control components are configured to convey air through the base, the cooling tower, and the air distribution system to dispense air through the cool air dispenser and the warm air dispenser.

Abstract: Cooling units are provided. The cooling units include a base having a housing with control components and a cooling tower attached to the base and having an inner flow path and an exterior surface. An air distribution system is attached to the cooling tower and includes an air distribution chamber defined between first and second enclosures, air dispensers are configured in the first enclosure, and a cover is disposed on an exterior surface of the second enclosure. The control components are configured to convey air through the base, the cooling tower, and the air distribution system to dispense air through the cool air dispenser and the warm air dispenser. A cooling unit water supply is arranged to provide cooling water to the air distribution system through the cooling tower and a water treatment module connected to the cooling unit water supply to treat the cooling water.

Abstract: Cooling units are provided. The cooling units include a base having a housing with control components and a cooling tower attached to the base having an inner flow path and an exterior surface. An air distribution system is attached to the cooling tower and includes an air distribution chamber defined between first and second enclosures, air dispensers are configured in the first enclosure, and air flowing through the cooling tower mixes within the air distribution chamber to form a single stream of air to be dispensed through the air dispenser. The control components are configured to convey air through the base, the cooling tower, and the air distribution system to dispense air through the air dispenser.

Abstract: An air handling unit (1) for cooling down an indoor airflow (A1) including at least one fan (3) circulating the indoor airflow inside the air handling unit (1) and a first and a second cooling subsystems (5, 15) including a refrigeration apparatus (50, 150) comprising an evaporator (500, 1500) and a condenser (504, 1504), a first water circuit (52, 152) connected to the condenser and comprising at least one outside heat exchanger (520, 1520) exposed to outside air (A5, A15), a second water circuit (56, 156) connected to the evaporator and comprising at least one indoor heat exchanger (560, 1560) exposed to the indoor airflow, water connection means (62, 64, 162, 164) for selectively connecting, depending on a temperature of the outside air.

Abstract: A water chiller includes at least one refrigeration apparatus, a water circuit in which circulates a water flow to be cooled down, and at least one fan generating an air flow (Fl) that is aspired from the outside. The refrigeration apparatus comprises a refrigerant circuit functioning in closed loop and comprising a compressor, at least one condenser, an expansion valve and an evaporator. The condenser is configured to release heat from the refrigerant to the air flow (Fl) under action of said at least one fan, the evaporator is configured to draw heat from the water flow to cool down said water flow. The water chiller further comprises at least one free cooling heat exchanger, configured to be exposed to the air flow (Fl), and connectable to the water circuit.

Abstract: This refrigeration apparatus (1) comprises a main refrigerant circuit (2) including a positive displacement compressor (4), a condenser (6), an expansion valve (8), an evaporator (10), through which a refrigerant circulates successively in a closed loop circulation, and a lubrication refrigerant line (18) in fluid connection with the main refrigerant circuit (2) and connected to the compressor (4) for lubrication of said compressor (4) with the refrigerant. The refrigeration apparatus (1) comprises a refrigerant container (20) connected between the condenser (6) and the expansion valve (8), said refrigerant container (20) being configured to retain a quantity of refrigerant, the lubrication refrigerant line (18) being connected to said refrigerant container (20). The refrigeration apparatus (1) further comprises heating means (28) for heating the refrigerant contained in the refrigerant container (20).

Abstract: An example air management system includes laterally spaced apart rows of electrical equipment that each provide a flow path between two convection regions on opposing sides of the row. A plurality of supply aisles and a plurality of return aisles are interposed between each other. Each supply and return aisle has a respective room portion that includes a respective one of the convection regions, a respective ceiling portion disposed above the room portion, and a vented barrier portion therebetween. Each supply aisle provides airflow downwards from its ceiling portion to its convection region, and each return aisle provides airflow flow upwards from its convection region to its ceiling portion. A plurality of air handling units are located external to the plurality of rows and are configured to utilize the ceiling portions of the supply aisles as supply ducts, and utilize the ceiling portions of the return aisles as return ducts.

Abstract: A heat exchanger, such as a flooded evaporator, comprises a shell extending along a longitudinal axis (X), an inlet pipe and an outlet pipe, through which respectively enters (F1) and exits (F2) a refrigerant flow, and a bundle of pipes crossing the shell along the longitudinal axis (X), and comprising a refrigerant flow diffuser provided inside the shell downstream the inlet pipe, the refrigerant flow diffuser extending along the longitudinal axis (X) and comprising openings through which the refrigerant flows. The refrigerant flow diffuser comprises a moving element and a stationary element, the moving element being movable with respect to the stationary element under action of a pressure force (FP) exerted by the refrigerant flow so that the refrigerant flow going through the openings is adjusted and a differential refrigerant pressure between refrigerant pressure downstream (P2) and upstream (P1) the refrigerant flow diffuser is kept constant.

Abstract: An HVAC&R system including a pumping device configured to circulate a first two-phase medium, a plurality of secondary HVAC&R units, wherein at least one of the plurality of secondary HVAC&R units is operably coupled to the pumping device, and a primary HVAC&R unit operably coupled to at least one of the plurality of secondary HVAC&R units, wherein the pumping device, a portion of the plurality of secondary HVAC&R units, and a portion of the primary HVAC&R unit form a primary loop.

Abstract: Cooling unit (100, 200) including a base (102, 202) having a housing with control components (110, 112, 212), a cooling tower (104, 204) attached to the base (102, 202) at a first end of the cooling tower (104, 204), the cooling tower (104, 204) having an inner flow path and an exterior surface, and an air distribution system (106, 206) attached to the cooling tower (104, 204) at a second end of the cooling tower (104, 204). The air distribution system (106, 206) has a first enclosure (130), a second enclosure (132) defining an air distribution chamber (126) between the first and second enclosures, a cool air dispenser (138) configured in the first enclosure (130), a warm air (142) dispenser configured in the first enclosure (130) at a location different from the cool air dispenser (138), and a cover (144) disposed on an exterior surface of the second enclosure (132).

Abstract: A system and method for conditioning air within an air handling system of a building is provided. The building has a hot water source and a cold water source. The conditioning system includes at least one heating-cooling unit connected to the air handling system, a primary water storage device, at least one heat pump, and a controller. The heating-cooling unit, which includes at least one chilled beam, is operable to transfer heat into or out of air passing within the air handling system of the building. The primary water storage device is operable to store a volume of water within a predetermined temperature range. The primary water storage device is in communication with the hot water source and the cold water source. The heat pump is connected to the primary water storage device and the chilled beam. The controller is adapted to selectively drive the heat pump to transfer heat between the primary water storage device and the chilled beam.

Abstract: An integrated air conditioning and elevator system of a building is provided. The system includes an air handling unit having a variable speed fan, a first elevator shaft configured to span a plurality of floors in the building, and a plurality of first dedicated variable speed fans located within the first elevator shaft, wherein one of the plurality of first variable speed fans is located at each of the plurality of floors and configured to fluidly connect the first elevator shaft with the respective floor of the plurality of floors. The variable speed fan of the air handling unit is configured to convey air to or from the first elevator shaft and each of the plurality of first variable speed fans is configured to convey air between the respective floor of the plurality of floors and the first elevator shaft.

Abstract: An air conditioning system includes an inlet duct, supply duct, return duct and exhaust duct: a heat exchanger for providing heat transfer between air from the inlet duct and air from the return duct: a cooling coil position in the supply duct: a pan for collecting condensate from the cooling coil; a pump to pump condensate from the pan: and a sprayer coupled to the pump, the sprayer spraying condensate into an air path to increase efficiency of the air conditioning system.

Abstract: An HVAC&R system including a pumping device configured to circulate a first two-phase medium, a plurality of secondary HVAC&R units, wherein at least one of the plurality of secondary HVAC&R units is operably coupled to the pumping device, and a primary HVAC&R unit operably coupled to at least one of the plurality of secondary HVAC&R units, wherein the pumping device, a portion of the plurality of secondary HVAC&R units, and a portion of the primary HVAC&R unit form a primary loop.

Abstract: A fluid collection assembly includes a vaporizer configured to vaporize a refrigerant to separate the refrigerant from a liquid and a sump configured to collect the liquid in a trough formed by a junction of two diagonal sides of the sump. The sump includes a heating element in the trough.

Abstract: A system and method for conditioning air within an air handling system of a building is provided. The building has a hot water source and a cold water source. The conditioning system includes at least one heating-cooling unit connected to the air handling system, a primary water storage device, at least one heat pump, and a controller. The heating-cooling unit, which includes at least one chilled beam, is operable to transfer heat into or out of air passing within the air handling system of the building. The primary water storage device is operable to store a volume of water within a predetermined temperature range. The primary water storage device is in communication with the hot water source and the cold water source. The heat pump is connected to the primary water storage device and the chilled beam. The controller is adapted to selectively drive the heat pump to transfer heat between the primary water storage device and the chilled beam.

Abstract: A system and method for conditioning air is provided. A building has a hot water source and a cold water source. The system includes at least one heating-cooling unit, a primary water storage device, at least one heat pump, and a controller. The heating-cooling unit transfers heat into or out of air passing within an air handling system of the building. The primary water storage device stores a volume of water within a predetermined temperature range. The primary water storage device is in communication with the hot water source and the cold water source. The heat pump is connected to the primary water storage device and a chilled beam. The controller selectively drives the heat pump to transfer heat between the primary water storage device and the chilled beam. The controller selectively controls the system to transfer heat into or out of the primary water storage device.

Abstract: A combined cooling and fire suppression system for a protected space includes a refrigerant circuit circulating a flow of refrigerant therethrough. At least one fan coil assembly is disposed at the protected space and is operably connected to the refrigerant circuit. The fan coil assembly includes a coil in fluid communication with the refrigerant circuit such that the flow of refrigerant is directed therethrough, and a fan to direct a flow of air across the coil to cool the protected space in proximity to the fan coil assembly. A plurality of nozzles is located in fluid communication with the refrigerant circuit to direct the flow of refrigerant from the refrigerant circuit toward the protected space to suppress fire thereat.