An air-conditioning apparatus includes: a heat source-side system having an intermediate heat exchanger that causes heat exchange to be performed between a heat source-side heat medium and a use-side heat medium, causes the heat source-side heat medium to receive or transfer heat, and causes the use-side heat medium to undergo a phase change; and a use-side cycle circuit formed of pipes connecting, to one another, the intermediate heat exchanger, a pump that sucks and delivers the use-side heat medium in a liquid state, a use-side heat exchanger that heats or cools air in an air-conditioning target space due to heat exchange causing a change in phase of the use-side heat medium, and a pressure-reducing device that reduces a pressure of the use-side heat medium that passes through the use-side heat exchanger, the use-side cycle circuit causing the use-side heat medium to circulate through the use-side cycle circuit.

A Peltier module or device with at least one Peltier element with a first surface and an oppositely located second surface, wherein on the first surface a first heat transfer element of an air duct is disposed, wherein the air duct, for the conduction of air along the first heat transfer element, comprises an input opening, in which a ventilator is disposed, and an output opening and wherein on the second surface a second heat transfer element of a cooling body is disposed, wherein the ventilator is developed and disposed such that an air flow generated by the ventilator forms with the first surface an angle (α) between 10° and 80°, as well as a laboratory chamber, a refrigerator chamber, a cold chamber, a climate chamber or an environmental simulation chamber with at least one such Peltier module.

A Peltier module or device with at least one Peltier element with a first surface and an oppositely located second surface, wherein on the first surface a first heat transfer element of an air duct is disposed, wherein the air duct, for the conduction of air along the first heat transfer element, comprises an input opening, in which a ventilator is disposed, and an output opening and wherein on the second surface a second heat transfer element of a cooling body is disposed, wherein the ventilator is developed and disposed such that an air flow generated by the ventilator forms with the first surface an angle (α) between 10° and 80°, as well as a laboratory chamber, a refrigerator chamber, a cold chamber, a climate chamber or an environmental simulation chamber with at least one such Peltier module.

An apparatus for cooling bottled beverages may include an open-topped vessel defining a bottle chamber. The vessel may have a tubular wall and a base. The apparatus may further include a cooling device in thermal communication with the base of the vessel and with a heat exchanger. The apparatus may also include a tubular housing surrounding the vessel and enclosing the cooling device and the heat exchanger. Additionally, the apparatus may include a fan configured to provide an air flow along an airflow path. The airflow path may extend from an inlet of the housing, across the heat exchanger, to an outlet of the housing.

An apparatus for cooling bottled beverages may include an open-topped vessel defining a bottle chamber. The vessel may have a tubular wall and a base. The apparatus may further include a cooling device in thermal communication with the base of the vessel and with a heat exchanger. The apparatus may also include a tubular housing surrounding the vessel and enclosing the cooling device and the heat exchanger. Additionally, the apparatus may include a fan configured to provide an air flow along an airflow path. The airflow path may extend from an inlet of the housing, across the heat exchanger, to an outlet of the housing.

A refrigeration apparatus (1) includes a main refrigerant circuit (2) including a positive displacement compressor (4), a condenser (6), an expansion valve (8), and an evaporator (10), through which a refrigerant circulates successively in a closed loop circulation, a lubrication refrigerant line (18) connected to the main refrigerant circuit (2) between the condenser (6) and the expansion valve (8) or to the condenser (6), in which circulates a portion of the refrigerant of the main refrigerant circuit (2) and connected to the compressor (4) for lubrication of said compressor (4) with the refrigerant, at least one lubrication refrigerant storing cavity (70) connected to the lubrication refrigerant line (18), the lubrication refrigerant storing cavity (70) being configured to store liquid refrigerant for lubrication of the compressor (4) said at least one lubrication refrigerant storing cavity (70) being provided within the compressor (4).

A refrigeration apparatus (1) includes a main refrigerant circuit (2) including a positive displacement compressor (4), a condenser (6), an expansion valve (8), and an evaporator (10), through which a refrigerant circulates successively in a closed loop circulation, a lubrication refrigerant line (18) connected to the main refrigerant circuit (2) between the condenser (6) and the expansion valve (8) or to the condenser (6), in which circulates a portion of the refrigerant of the main refrigerant circuit (2) and connected to the compressor (4) for lubrication of said compressor (4) with the refrigerant, at least one lubrication refrigerant storing cavity (70) connected to the lubrication refrigerant line (18), the lubrication refrigerant storing cavity (70) being configured to store liquid refrigerant for lubrication of the compressor (4) said at least one lubrication refrigerant storing cavity (70) being provided within the compressor (4).

In one aspect, a portable liquid pump with integrated chiller and heater system includes a pump component includes a pump, a liquid chamber, an inlet port and an outlet port. The pump component seals a liquid so that it does not escape except by the inlet port and the exit port. The pump component pressurizes and directs the liquid in a warm state from the inlet port over a Thermo-electric element-based cold-side heat exchanger and through the outlet port. A Thermo-electric element component includes the Thermo-electric element-based cold-side heat exchanger and a hot-side heat exchanger, wherein the Thermo-electric element component converts an electrical current into a temperature difference that in turn causes heat to flow from the Thermo-electric element-based cold-side heat exchanger to the hot-side heat exchanger. A battery component includes an electrical energy storage component that provides electrical power to the Thermo-electric element component that in turn pumps heat from the Thermo-electric element-based cold-side heat exchanger to the hot-side heat exchanger.

In one aspect, a portable liquid pump with integrated chiller and heater system includes a pump component includes a pump, a liquid chamber, an inlet port and an outlet port. The pump component seals a liquid so that it does not escape except by the inlet port and the exit port. The pump component pressurizes and directs the liquid in a warm state from the inlet port over a Thermo-electric element-based cold-side heat exchanger and through the outlet port. A Thermo-electric element component includes the Thermo-electric element-based cold-side heat exchanger and a hot-side heat exchanger, wherein the Thermo-electric element component converts an electrical current into a temperature difference that in turn causes heat to flow from the Thermo-electric element-based cold-side heat exchanger to the hot-side heat exchanger. A battery component includes an electrical energy storage component that provides electrical power to the Thermo-electric element component that in turn pumps heat from the Thermo-electric element-based cold-side heat exchanger to the hot-side heat exchanger.

A heat exchanger with a thermoelectric module according to the present disclosure includes: a first heat exchanger including a first heat sink provided with a first base plate and first heat dissipation pins, a first thermoelectric module located over the first heat sink and performing heat absorption and heat dissipation, a plate-shaped first cooling plate located over the first thermoelectric module and having a flow channel through which coolant flows, and a first cover covering top of the first cooling plate; and a second heat exchanger having the same structure as the first heat exchanger and located under the first heat exchanger to be symmetrical with the first heat exchanger.