A galley refrigeration system is provided in which a galley cart is positioned in the cavity of a galley compartment comprising at least a cart-facing opening positioned in a vertically intermediate region of the back wall, the galley cart or the galley compartment having a duct-facing opening positioned adjacent to the cart-facing opening. A heat exchanger configured to generate cooling air is provided within the galley compartment, adjacent the vertically intermediate region of the back wall of the galley compartment defining the cavity. An air supply duct, provided at the cart-facing opening, is configured to guide the cooling air from the heat exchanger into the galley cart, and configured to be detachably coupled to the duct-facing opening of the cart or the galley compartment. An electronically actuated valve controls a variable flow rate of the cooling air from the air supply duct into the galley cart.

A refrigerator including an inner case having a storage chamber defined therein; a thermoelectric module configured to cool the storage chamber, wherein the thermoelectric module includes a thermoelectric element and a heat sink; a heat-dissipation fan assembly provided adjacent to the heat sink; a heat-dissipation cover spaced apart from the inner case, wherein the heat-dissipation cover has at least one outer intake hole defined therein and wherein the intake hole faces the heat-dissipation fan assembly; and a gasket configured to block a gap between the heat-dissipation cover and the heat-dissipation fan assembly.

A refrigerator includes a cabinet, a thermoelectric element module, a support disposed at a lower surface of the cabinet, and a heat dissipation cover coupled to a rear side of the cabinet. The thermoelectric element module includes a thermoelectric element including a heat absorption portion and a heat dissipation portion, a first heat sink contacting the heat absorption portion, a first fan facing the first heat sink, a second heat sink contacting the heat dissipation portion, a second fan exposed to an outside of the heat dissipation cover, and an insulating member between the first heat sink and the second heat sink. The heat dissipation cover is configured to guide air from the second fan in a vertical direction, and the support defines an air passage between the lower surface and a floor to allow air to be discharged to a front side through a lower side of the cabinet.

A refrigerator includes a cabinet, a thermoelectric element module, a support disposed at a lower surface of the cabinet, and a heat dissipation cover coupled to a rear side of the cabinet. The thermoelectric element module includes a thermoelectric element including a heat absorption portion and a heat dissipation portion, a first heat sink contacting the heat absorption portion, a first fan facing the first heat sink, a second heat sink contacting the heat dissipation portion, a second fan exposed to an outside of the heat dissipation cover, and an insulating member between the first heat sink and the second heat sink. The heat dissipation cover is configured to guide air from the second fan in a vertical direction, and the support defines an air passage between the lower surface and a floor to allow air to be discharged to a front side through a lower side of the cabinet.

A refrigerator includes an inner casing that defines a storage chamber and a cooling passage, a middle plate that is disposed outside the inner casing and that defines a foam space between the middle plate and the inner casing to accommodate a thermal-insulating material, an installation bracket that is fixed to the middle plate and that contacts the inner casing, a thermoelectric module mounted on the installation bracket and outside the foam space, and a fan assembly that is installed on the inner casing in the storage chamber and that includes a cooling fan.

A refrigerator includes an inner casing that defines a storage chamber and a cooling passage, a middle plate that is disposed outside the inner casing and that defines a foam space between the middle plate and the inner casing to accommodate a thermal-insulating material, an installation bracket that is fixed to the middle plate and that contacts the inner casing, a thermoelectric module mounted on the installation bracket and outside the foam space, and a fan assembly that is installed on the inner casing in the storage chamber and that includes a cooling fan.

A galley refrigeration system is provided in which a galley cart is positioned in the cavity of a galley compartment comprising at least a cart-facing opening positioned in a vertically intermediate region of the back wall, the galley cart or the galley compartment having a duct-facing opening positioned adjacent to the cart-facing opening. A heat exchanger configured to generate cooling air is provided within the galley compartment, adjacent the vertically intermediate region of the back wall of the galley compartment defining the cavity. An air supply duct, provided at the cart-facing opening, is configured to guide the cooling air from the heat exchanger into the galley cart, and configured to be detachably coupled to the duct-facing opening of the cart or the galley compartment. An electronically actuated valve controls a variable flow rate of the cooling air from the air supply duct into the galley cart.

A galley refrigeration system is provided in which a galley cart is positioned in the cavity of a galley compartment comprising at least a cart-facing opening positioned in a vertically intermediate region of the back wall, the galley cart or the galley compartment having a duct-facing opening positioned adjacent to the cart-facing opening. A heat exchanger configured to generate cooling air is provided within the galley compartment, adjacent the vertically intermediate region of the back wall of the galley compartment defining the cavity. An air supply duct, provided at the cart-facing opening, is configured to guide the cooling air from the heat exchanger into the galley cart, and configured to be detachably coupled to the duct-facing opening of the cart or the galley compartment. An electronically actuated valve controls a variable flow rate of the cooling air from the air supply duct into the galley cart.

Apparatus, systems, and methods for cooling fluids, for example beverages or beverage components, are presented. A cooling system or device includes a cold plate of bulk material (e.g., material of high thermal conductivity). A first sensor (preferably temperature sensor) is positioned within the bulk material and communicatively coupled to a processor. A first fluid line is at least partially disposed within the cold plate, having a first inlet entering and a first outlet exiting the cold plate. A second sensor (preferably temperature sensor) is positioned at the first fluid line proximal to the first outlet and communicatively coupled to the processor. The processor compares a sensor reading from the first sensor with a sensor reading from the second sensor, and issues an error report when the difference between the readings is above a threshold, or an individual reading from a sensor is outside of an operational parameter.

Apparatus, systems, and methods for cooling fluids, for example beverages or beverage components, are presented. A cooling system or device includes a cold plate of bulk material (e.g., material of high thermal conductivity). A first sensor (preferably temperature sensor) is positioned within the bulk material and communicatively coupled to a processor. A first fluid line is at least partially disposed within the cold plate, having a first inlet entering and a first outlet exiting the cold plate. A second sensor (preferably temperature sensor) is positioned at the first fluid line proximal to the first outlet and communicatively coupled to the processor. The processor compares a sensor reading from the first sensor with a sensor reading from the second sensor, and issues an error report when the difference between the readings is above a threshold, or an individual reading from a sensor is outside of an operational parameter.