Abstract: A system and method of controlling corrosion of a heat exchanger, having a hot gas inlet and outlet and a cold side inlet and outlet. The method includes determining a temperature of the heat exchanger at a first selected location, controlling a temperature of a corrosion sensing device to a first selected temperature based on the temperature of the surface of the heat exchanger and determining a corrosion rate associated with the heat exchanger surface at the first selected location for the first selected temperature. The method also includes comparing the corrosion rate to an expected corrosion rate, determining a cold side fluid inlet temperature target for the heat exchanger based at least in part on the comparing, the determined corrosion; and controlling a cold side fluid inlet temperature based at least in part on the determined inlet temperature target, determined corrosion rate, and expected corrosion rate.

Abstract: Disclosed herein is a refrigerator including a cooling cycle mechanism having improved cooling cycle efficiency by more effectively performing heat exchange between a refrigerant discharged from an evaporator and a refrigerant discharged from a condenser. The refrigerator includes a cooling cycle mechanism including a compressor, a condenser, and an evaporator. The refrigerator also includes a first pipe configured including a first heat exchanger and configured to guide the refrigerant from the condenser, to the evaporator. The refrigerator further includes a second pipe including a heat exchanger and configured to guide the refrigerant from the evaporator, to the compressor. The second heat exchanger is adjacent to first heat exchanger and configured to exchange heat with the first heat exchanger. The first heat exchanger and the second heat exchanger are arranged to guide the refrigerant in a same direction.

Abstract: An air conditioning pack of a cooling system includes an air cycle machine assembly, a cabin air compressor assembly, and a mixing duct. The air cycle machine assembly includes a compressor configured to receive an air stream that includes bleed air to generate a compressed air stream. The air cycle machine assembly utilizes a first portion of the compressed air stream to power the compressor. The cabin air compressor assembly receives a second portion of the compressed air stream, and utilizes the second portion to generate compressed ram air. The mixing duct receives the compressed ram air and allows the compressed ram air to mix with one or more of the air stream upstream of the compressor or the compressed air stream downstream of the compressor to generate a hybrid air stream that is used for cooling at least a portion of a vehicle.

Abstract: The present invention provides a stack-type vertical heat dissipation device comprising an evaporator unit and a condenser unit. The evaporator unit has a side configured for direct or indirect contact with, and thereby receiving heat from, a high-temperature device in order for the heat to convert a heat conduction medium inside the evaporator unit into a gaseous state. The condenser unit is stacked on a top side of a housing of the evaporator unit, and is provided therein with a flow channel that is in communication with the evaporator unit and allows passage of the heat conduction medium so that the heat conduction medium is able to return to the evaporator unit under a force of gravity after condensing from the gaseous state into a liquid state and thereby complete a thermal cycle.

Abstract: A dehumidifier with a pre-cooling device includes a compressor, a condenser, an expansion device, a microchannel pre-cooler and an evaporator assembly. During operation, moist air enters from an air inlet of the dehumidifier, and passes through the microchannel pre-cooler to make the moist air to reach a saturated steam state and passes through the evaporator assembly for heat exchange to condense and dehumidify the moist air, and the dehumidified air passes through the condenser for heating and finally discharged from the air outlet, so that the water vapor in the moist air can be condensed into a liquid better to improve the condensation and dehumidification effects of the evaporator and reduce the air humidity effectively, so as to improve the dehumidification effect of the equipment.

Abstract: An apparatus includes a drain pan configured to receive liquid condensate from a horizontal evaporator coil above the drain pan and a drain pan extension coupled to the drain pan. A pin on the front and rear sides of the drain pan extension is fitted and movable within a corresponding notch in the front and rear sides of the drain pan. The drain pan extension is securably configurable in a first configuration and a second configuration. In the first configuration, the drain pan extension extends above the drain pan at a first angle relative to the drain pan. In the second configuration, at least a portion of the drain pan extension extends beyond the left pan side of the drain pan at a angle, which may be selected for improved capture of liquid condensate from the horizontal evaporator coil.

Abstract: A heat exchanger 100 includes: an inner cylinder 10 through which a first fluid can flow, the inner cylinder 10 being configured to be capable of housing a heat recovery member 40; an outer cylinder 20 disposed so as to be spaced on a radially outer side of the inner cylinder 10 such that a second fluid can flow between the outer cylinder 20 and the inner cylinder 10; and an intermediate cylinder 30 disposed between the inner cylinder 10 and the outer cylinder 20, the intermediate cylinder 30 partitioning a flow path for the second fluid into an inner flow path 31b and an outer flow path 31a. In the heat exchanger, the intermediate cylinder 30 includes communication holes 32 that are communicated in a radial direction, and the communication holes 32 are provided in an axial direction of the intermediate cylinder 30.

Abstract: A refrigerator appliance, as disclosed herein, may include a cabinet, a door, a dispensing assembly, an ice-making assembly, and an ice storage bin. The door may define a dispenser recess having a transverse opening extending vertically from a top recess end to a bottom recess end and laterally from a first recess side to a second recess side. The dispensing assembly may be positioned within the dispenser recess and define an ice delivery passage. The ice-making assembly may be attached to the cabinet. The ice storage bin may include a bin body defining a storage cavity. The bin body may be selectively mounted to the door within the dispenser recess to receive ice from the dispensing assembly. The bin body may extend vertically from the top recess end to the bottom recess end and laterally from the first recess side to the second recess side.

Abstract: A plant and process are used to liquefy and purify a high pressure ethane feed stream. The plant includes a cascaded refrigeration system that refrigerates the ethane feed stream. The refrigeration system includes a propylene circuit, an ethylene circuit and a mixed refrigerant circuit. The mixed refrigerant circuit includes a refrigerant that includes ethane and methane. The plant includes a demethanizer that is configured to remove methane and other natural gas liquids from the refrigerated ethane stream.

Abstract: This air conditioning device, which is installed in a vehicle, is provided with a gas-liquid separator which separates liquid-phase refrigerant and gas-phase refrigerant, guides, to a compressor, the gas-phase refrigerant flowing in from an outdoor heat exchanger during heating operations, and guides, to an expansion valve, the liquid-phase refrigerant flowing in from the outdoor heat exchanger during cooling operations. The gas-liquid separator is provided further rearward inside the vehicle than the outdoor heat exchanger. The compressor is provided further rearward inside the vehicle than the gas-liquid separator.

Abstract: A refrigerator includes a compressor configured to compress a refrigerant, a condenser configured to condense the refrigerant compressed in the compressor, an expander configured to depressurize the refrigerant condensed in the condenser, a plurality of evaporators configured to evaporate the refrigerant depressurized in the expander, a first valve configured to be operated to introduce the refrigerant into at least one of the plurality of evaporators, a hot gas valve device disposed at an inlet side of the first valve and configured to guide the refrigerant passed through the compressor or the condenser to the plurality of evaporators, and a hot gas path configured to extend from the hot gas valve device to the plurality of evaporators.

Abstract: A refrigerator includes a main body, a door rotatably coupled to the main body, and an ice making chamber provided in the door and into which the ice maker is assembled. The ice making chamber includes an ice making chamber wall and an ice making space having an open front surface, and the ice making chamber wall includes a guide rib protruding toward the ice making space. The ice maker includes an ice making tray having an ice making cell for storing water, an ejector rotatable to separate ice from the ice making cell, and a motor box coupled to one side of the ice making tray in a longitudinal direction to accommodate an ice separation motor for rotating the ejector. The ice making tray is supported on the guide rib, and the motor box and the ice making chamber wall is fastened through a fastening member.

Abstract: A system for condensing and phase separating a refrigerant fluid includes a condenser inlet header configured to receive a stream of refrigerant vapor. A condenser is in fluid communication with the condenser header and is configured to receive vapor and produce a mixed phase fluid stream. An elongated manifold separator including multiple mixed phase inlets is configured to separate mixed phase fluid received from the condenser. Resulting vapor and liquid streams exit vapor and liquid outlets of the manifold separator.

Abstract: A refrigeration or climate-control system may include a housing, an evaporator, a drain pan, and a fan. The evaporator may be disposed within the housing and may include a coil positioned in a horizontal orientation. The drain pan may be disposed within the housing and may include an inclined lower wall disposed vertically beneath the coil. The lower wall may define an airflow path underneath the coil. The fan may force the air through the housing and airflow path.

Abstract: A heating device (124) for heating particles to be freeze-dried in a rotary drum (102) of a freeze-dryer (100) is provided, the device comprising at least one radiation emitter (202) for applying radiation heat to the particles, and a tube-shaped separator (204) for separating the particles from the at least one emitter (202), The separator (202) being integrally closed at one end and separating an emitter volume (206) encompassing the at least one emitter (202) from a drum process volume (126) inside the drum (102), wherein the heating device (124) protrudes into the drum process volume (126) such that said integrally closed end of the separator (204) is arranged inside the drum (102) as a free end.

Abstract: An evaporator element is provided and includes a body defining channels, each of which includes grooves respectively delimited by first and second interior facing sidewalls of the body which form a base and an apex with an apex angle opposite the base and defined such that, for a fluid flow moving through one of the channels in a microgravity environment a portion of the fluid flow in a liquid phase within a groove of the channel will move in the groove from the base to the apex and a portion of the fluid flow in a vapor phase within a groove of the channel will move in the groove from the apex to the base.

Abstract: An air conditioning system for a vehicle, having an evaporator configured for a heat exchange between a coolant and air, a fan configured to generate an air flow passing through the evaporator and intended to be fed into a vehicle passenger compartment, at least one pressure sensor configured to measure the pressure of the coolant, and a control unit to adjust the rotation speed of the fan, configured to automatically decrease the rotation speed of the fan when the detected pressure of the coolant rises above a pressure threshold, so as to reduce the air flow on the evaporator and thus reduce the pressure of the coolant is provided.

Abstract: The invention relates to a flow circuit system (1) for a vehicle, with a first flow circuit (10) guiding a first fluid and operable as a heat pump, and a second flow circuit (50) with a conveying device (31) guiding a second fluid, and a switching device (35), wherein in the provided flow direction of the first fluid downstream of a compressor (3) and upstream of an expansion element (15), at least one first heat exchanger (7) between the first and second fluids, wherein the second flow circuit (50) has at least two flow circuit modes, wherein in the first flow circuit mode, apart from the at least one conveying device (31) for the second fluid and the at least one first heat exchanger (7), at least one outside heat exchanger (37) which may be flowed through by the second fluid and is configured as a radiator is connected to the second flow circuit (50), and in the second flow circuit mode this at least one outside heat exchanger (37) is not connected to the at least second flow circuit (50) containing the co

Abstract: A transport refrigeration system (200) including: a refrigeration unit (22) having a refrigerant heat rejection heat exchanger (34) and a fan (40) configured to blow air across the refrigerant heat rejection heat exchanger; a first engine (26) configured to power the refrigeration unit (22), the first engine (26) having an engine coolant circuit (80) and an exhaust outlet (27); a heat exchanger (70) having: a first fluid passage (72) fluidly connected to the exhaust outlet (27); and a second fluid passage (74) fluidly connected to the engine coolant circuit (80); and a third fluid passage (76) fluidly connected to and configured to receive air blown across the refrigerant heat rejection heat exchanger (34). The second fluid passage (74) is thermally connected to the first fluid passage (72) and the third fluid passage (76) is thermally connected to the first fluid passage (72).

Abstract: According to one embodiment, a system includes a first and second cooling system, an automation controller, one or more sensors, and a hardware controller separate from the automation controller. The hardware controller processes various temperature set points in conjunction with a timer and configures the activation or deactivation of the first and second cooling systems accordingly.