Abstract: A refrigeration appliance has at least a first and a second temperature zone and a refrigerant circuit that includes a compressor, a first evaporator for cooling the first temperature zone and a second evaporator for cooling the second temperature zone. The first evaporator is serially connected downstream of the second evaporator in the refrigerant circuit, and a controllable throttle point is arranged upstream of the first evaporator and downstream of the second evaporator in the refrigerant circuit. A compressor controller is configured to control the rotational speed of the compressor on the basis of the temperature in the first temperature zone.

Abstract: A refrigeration appliance with multiple storage compartments has a refrigerant circuit with a first expansion valve, a first heat exchanger, a second expansion valve, and a second heat exchanger connected in series between pressure and suction connections of a compressor. Each heat exchanger is associated with at least one storage compartment in order to control its temperature. A control unit controls the compressor rotational speed and positions of the expansion valves. The control unit has a continuously linear regulator for each storage compartment with a P-component for estimating a required temperature control output using a difference between actual and target temperatures. A model computing unit ascertains a target evaporation temperature for a first storage compartment controlled by the first heat exchanger, and for a second storage compartment controlled by the second heat exchanger.

Abstract: A refrigeration appliance, in particular a household refrigeration appliance, includes at least first, second and third storage chambers, and a refrigerant circuit on which the following are connected in series between a pressure connection and a suction connection of a compressor: a condenser, a first expansion valve, a first heat exchanger of the first storage chamber, a second expansion valve, a second heat exchanger of the second storage chamber, a third heat exchanger assigned to the third storage chamber, and a control circuit for controlling operation of the compressor and the expansion valves. The third heat exchanger is connected in series downstream of the second heat exchanger. The control circuit is configured to maintain a higher storage temperature in the third storage chamber than in the second storage chamber. A method for operating the refrigeration appliance and a computer program product are also provided.

Abstract: A refrigeration device has an electrical device part which emits noise during operation. A controller operates the electrical device part in a normal operating power range. A noise sensor detects an intensity of the emitted noise from the electrical device part. The controller is configured to change an operating power of the electrical device part within the normal operating power range and to determine a minimum value of the noise intensity which is detected by the noise sensor and to determine a noise-reduced operating power in order to operate the electrical device part at the noise-reduced operating power.

Abstract: A refrigeration appliance has at least a first and a second temperature zone and a refrigerant circuit that includes a compressor, a first evaporator for cooling the first temperature zone and a second evaporator for cooling the second temperature zone. The first evaporator is serially connected downstream of the second evaporator in the refrigerant circuit, and a controllable throttle point is arranged upstream of the first evaporator and downstream of the second evaporator in the refrigerant circuit. A compressor controller is configured to control the rotational speed of the compressor on the basis of the temperature in the first temperature zone.

Abstract: A refrigeration appliance includes a coolant circuit in which a speed-controlled compressor, an adjustable restrictor and a forced-air cooled first evaporator are connected in series. An evaporator chamber receives the first evaporator, a first storage compartment communicates with the evaporator chamber and a second storage compartment communicates with the evaporator chamber. A control unit or controller is configured to distribute cold air from the evaporator between the first and second storage compartments according to desired temperatures which can be adjusted differently for the first and the second storage compartments.

Abstract: A refrigeration appliance contains at least a first and a second temperature zone and a refrigerant circuit that includes a compressor, a first evaporator for cooling the first temperature zone and a second evaporator for cooling the second temperature zone. The first evaporator is serially connected downstream of the second evaporator in the refrigerant circuit, and a controllable throttle point is arranged upstream of the first evaporator and downstream of the second evaporator in the refrigerant circuit. A controller controls the opening degree of the controllable throttle point on the basis of the temperature in the second temperature zone and independently of the temperature in the first temperature zone.

Abstract: A refrigeration appliance includes a refrigerant circuit having a heat exchanger. The refrigeration appliance also includes a heat circuit. The heat exchanger is thermally coupled to the heat circuit by a coupling element. The coupling element is mechanically connected to the heat circuit by a detachable connection. The detachable connection may be a force-locking connection, in particular a screw connection, a plug-in connection or a form-locking connection, in particular a snap-on connection.

Abstract: A refrigeration device has an electrical device part which emits noise during operation. A controller operates the electrical device part in a normal operating power range. A noise sensor detects an intensity of the emitted noise from the electrical device part. The controller is configured to change an operating power of the electrical device part within the normal operating power range and to determine a minimum value of the noise intensity which is detected by the noise sensor and to determine a noise-reduced operating power in order to operate the electrical device part at the noise-reduced operating power.

Abstract: A refrigerator contains a storage compartment, a heat exchanger chamber separate from the storage compartment, a heat exchanger which can be operated as an evaporator or as a heating unit, a fan for driving an exchange of air between the storage compartment and the heat exchanger chamber, and a control unit for controlling the operation of the heat exchanger, the fan and the heating unit. The control unit assists a drying operating mode in which the fan operates at the same time as the heating unit.

Abstract: A refrigeration device has a refrigeration device container, a door for closing an opening of the refrigeration device container, and a coolant circuit arrangement. The coolant circuit arrangement includes a first heat exchanger, a second heat exchanger, and a heating section for heating the opening region of the refrigeration device container. The first heat exchanger and the second heat exchanger include a multi-port extruded fluid line and are designed to discharge heat from the coolant circuit arrangement. The multiport extruded fluid line is thermally coupled to the heating section, and the heating section is arranged between the first heat exchanger and the second heat exchanger and is configured to dispense heat from the coolant circuit arrangement to the opening region of the refrigeration device container.

Abstract: A refrigeration appliance includes a refrigerant circuit having a heat exchanger. The refrigeration appliance also includes a heat circuit. The heat exchanger is thermally coupled to the heat circuit by a coupling element. The coupling element is mechanically connected to the heat circuit by a detachable connection. The detachable connection may be a force-locking connection, in particular a screw connection, a plug-in connection or a form-locking connection, in particular a snap-on connection.

Abstract: A refrigeration device has a heat source and a heat circulation system for heating an opening area of a frame. The heat circulation system contains a heat transport substance, and the heat circulation system contains a heat take-up area and a frame heating area. The heat source is embodied to emit a quantity of heat through the heat take-up area to the heat transport substance in the heat circulation system, in order to obtain a heated-up heat transport substance. The heat circulation system is embodied to convey the heated heat transport substance from the heat take-up area to the frame heating. The frame heating is embodied to emit the quantity of heat taken up by the heat transport substance to the opening area of the frame of the refrigeration device.

Abstract: A refrigerator is provided that includes a chilled interior and a cooling circuit for a coolant, the cooling circuit being provided with an evaporator, a compressor, and a condenser. The refrigerator further includes a controller as well as a fan for cooling the condenser and the compressor. The controller controls the fan to operate during an idle phase of the compressor.

Abstract: The invention relates to a refrigerator having two movably connected housing parts that delimit a heat-insulated interior and a seal member that is fastened to a first of the housing parts and contacts the other of the housing parts in an airtight manner in the closed disposition of both housing parts. A lifting element lifts the seal member from a contact surface on the second housing part to permit pressure compensation between the inner chamber and the surroundings of the refrigerator. The lifting element is at least in part formed by a thermally deformable material and, in a first shape thereof, it establishes a sealed contact between the seal member and the contact surface, and in a second state resulting from the effect of heat or cold, it lifts the seal member from the contact surface in order to ensure pressure compensation.

Abstract: An item of cooling furniture includes two thermally separate compartments which are associated with respective evaporators. An expansion valve and evaporators are connected in series in a refrigerant circuit. The adjustment valve permits adjustment between different discrete flow coefficients.

Abstract: A heat exchanger assembly for a refrigerator is provided and includes a pipe line that extends on a thermally conductive substrate and is divided by a throttle point into an evaporator and a condenser.

Abstract: A refrigerator is provided that includes a chilled interior and a cooling circuit for a coolant, the cooling circuit being provided with an evaporator, a compressor, and a condenser. The refrigerator further includes a controller as well as a fan for cooling the condenser and the compressor. The controller controls the fan to operate during an idle phase of the compressor.

Abstract: A linear compressor unit including a reciprocating magnet driven by an electromagnetic alternating field. The magnet drives a piston reciprocatingly in a cylinder in a module casing, which casing also encloses a buffer volume. The cylinder is mounted in the casing so that it can oscillate. The cylinder includes an inlet opening coupled to an inlet passage in the module casing lying opposite to one another but without making contact with each other and forming a passage to the buffer volume. At least one restrictor element is located in the passage to dampen sound of the unit.

Abstract: A method for operating a refrigerator having two movably connected housing parts, a frame and a door which jointly delimit a heat-insulated interior, as well as a seal that is fastened to a first of the housing parts and contacts the other of the housing parts in an airtight manner in the closed position of both housing parts. The method includes a step in which the airtight contact between the seal and the second housing part is prevented for a specific period of time along a section of the seal while the sealing contact between the seal and the second housing part is subsequently restored along said section of the seal in a step. The invention also relates to a refrigerator for carrying out the method.