Refrigerator

FIELD: machine building.

SUBSTANCE: refrigerator includes a compressor compartment. Compressor compartment is located in lower rear part of cabinet and separated by its front wall from cabinet from front and on sides. In compressor compartment there is a condenser, displaced backwards from front wall. Heat fan is located opposite condenser from rear side of condenser. In lower part of compressor compartment, on its lower surface, in lower part of cavity, located between front wall and condenser, there is a hole for air inlet, which serves for connection of compressor compartment with outer space.

EFFECT: invention provides reduced power consumption.

9 cl, 6 dwg

 



 

Same patents:

FIELD: heating.

SUBSTANCE: cryogenic system includes a liquid helium tank, superconducting magnet windings submerged into liquid helium, a condenser for repeated liquefaction of helium vapours, which has convergent smooth surface, on which helium vapours are condensed and which is periodically interrupted with an interrupting structure that causes discharge of liquid helium that is condensed on smooth surface from a repeated liquefaction condenser. The condenser includes a cooled object that has a converging smooth surface having the possibility of its being installed along vertical axis, many fins passing in a circumferential direction around smooth surface. Upper edge of each fin is located flush with a section of smooth surface, which is located immediately above, and perimetre of lower edge of each fin is larger than that of its upper edge. Between upper and lower edges of each fin there is a smooth inclined surface. A manufacturing method of a condenser for repeated liquefaction, at which machining of a metal element is performed to obtain circular smooth surface of the condenser for repeated liquefaction, which is interrupted by many fins passing in a circumferential direction or helically and projecting out of circular smooth surface, or grooves cut in circular smooth surface.

EFFECT: improving efficiency of a cryogenic cooling system.

15 cl, 4 dwg

FIELD: machine building.

SUBSTANCE: component cooling system includes reservoir for component, which is provided with possibility of being filled at least partially with overcooled fluid with the first pressure and the first temperature, cryogenic system for maintaining in the reservoir for component mainly of the first temperature, which includes heat exchange system thermally connected at least to the section of reservoir for component, heat exchange system is filled at least partially with the second saturated fluid with the second pressure and mainly with the first temperature, and reservoir for cryostat. Reservoir for cryostat is connected via fluid medium to heat exchange system in order to provide pumpless movement of the second saturated fluid between heat exchange system and reservoir for cryostat, which is located in reservoir for cryostat. Buffer reservoir is provided with possibility of being filled at least partially with the first saturated fluid with the second temperature. Heating system of saturated fluid in buffer reservoir for maintaining the first pressure in the reservoir for component.

EFFECT: use of this group of inventions allows reducing the time required for system recovery at providing flexible range of operating temperatures.

Cooling unit // 2446366

FIELD: power industry.

SUBSTANCE: cooling unit refers to the devices providing accumulation of natural cold. Unit includes evaporator with low-boiling fluid, the outlet of which is interconnected via steam line to condenser the condensate outlet of which is connected via pipeline to evaporator, and unit operation control devices. Evaporator and condenser are made in the form of tight tanks; evaporator is arranged under condenser. Evaporator, condenser, pipeline and steam line are made so that they can operate under pressure of up to 2.5 MPa. Pipeline is equipped with controlled, normally closed valve; steam line is equipped with controlled bypass valve. Evaporator is equipped with cold energy removal device, and condenser is equipped with heat energy removal device. Evaporator and condenser are equipped with heat insulating casings which are equipped with tight hatches which have the possibility of connecting the surface of evaporator and condenser to atmosphere. Electric generator turbine is arranged in steam line channel.

EFFECT: use of this invention allows providing the possibility of changing thermodynamic characteristics of the system in natural way with preliminary cold accumulation at negative temperatures.

2 cl, 1 dwg

FIELD: personal use articles.

SUBSTANCE: refrigerating unit comprises a heat-insulating body, inside which there is at least one storage chamber, where cold air is supplied with the help of a fan, and an evaporating chamber that serves to locate an evaporator. The evaporating chamber is thermally separated from the storage chamber with a separating plate. The refrigerating unit also comprises an electronic system of the refrigerating unit control and at least one source of light to illuminate the storage chamber. The evaporator, the separating plate and the electronic control system or the evaporator, the separating plate and the source of light are arranged in the form of a module.

EFFECT: development of a refrigerating unit characterised by reliability in operation, efficiency in manufacturing and simplicity in maintenance.

13 cl, 15 dwg

FIELD: personal use articles.

SUBSTANCE: modular refrigerating device includes the first flat heat insulation element and further flat heat insulation elements, which may be connected to each other and disconnected from each other, and in joined condition they form a frame of refrigerating device, and refrigerating circuit arranged on the first flat heat insulation element with evaporator, condenser and compressor. Due to just the design of the first flat heat insulation element at least condenser is at least partially mechanically protected at the side that is faced from the first flat heat insulation element. Electric contact device is inbuilt into the first heat insulation element, and whenever the first flat heat insulation element is mechanically connected to the other flat heat insulation element, electric contact device automatically forms an electric contact with electric responsive contact device integrated into this other flat heat insulation element.

EFFECT: reduced opportunity of refrigerating circuit damage in process of transportation of back wall of refrigerating device.

26 cl, 21 dwg

FIELD: personal demand items.

SUBSTANCE: refrigerator has at least two compartments thermally isolated from each other and from environment; at that, an individual evaporator corresponds to each compartment, to which the cooling agent is supplied irrespective of the evaporator of at least one, the other compartment, and has the devices for switching at least one of the compartments from freezing mode at least to one non-freezing mode. In the compartments there are the setting devices by means of which the preset temperature which is set in the corresponding compartments by means of switching devices can be adjusted within the range of several degrees.

EFFECT: use of this invention will allow giving more flexible operating devices to refrigerators.

15 cl, 6 dwg

FIELD: heating, refrigerating engineering.

SUBSTANCE: invention relates to refrigerating engineering, particularly, to domestic and commercial low-temperature chambers (SLTC) with absorption-diffusion refrigerating machines (ADRM). Low-temperature chamber comprises a thermal-insulated housing of bin-type with internal metal chamber and refrigerating unit, evaporator of which is located beyond the usable volume of the chamber and is thermally connected with the usable volume. Two ADRMs installed at the side walls of housing are used a refrigerating unit. The side walls have openings where thermal-insulated units are installed. Thermal-insulated units are made of a high heat-conductivity metal in the form of box. From one side the box bottom is thermally connected to ADRM evaporator, from the other side - to the internal metal chamber. Rear and front walls of the internal metal chamber are additionally thermally-connected to the side walls by means of heat transfer equipment. Heat-removal sections of this equipment are installed at the area of thermal connection to ADRM evaporators. Heat pipes and two-phase or single-phase thermal siphons are used as heat transfer equipment. ADRM components, located beyond the housing, are closed with jackets having air openings at the upper and lower parts. Air fans are installed at the channels formed by jackets and side walls of the housing.

EFFECT: enhancement of low-temperature chamber performance characteristics on repairability.

10 cl, 3 dwg

Refrigerator // 2313048

FIELD: cooling equipment, particularly domestic refrigerators to be built in furniture.

SUBSTANCE: refrigerator is built in furniture provided with mounting window. The refrigerator comprises thermoelectric unit with cooling heat-exchanger, power supply unit arranged outside the refrigerator and hot heat-exchanger with fan installed thereon. The refrigerator has panel conforming to the mounting window and connected to rear refrigerator wall by means of posts. Power supply unit is fastened to the panel. Fan projects over the panel and is mounted inside panel orifice so that the fan provides air exhausting from furniture interior outside the furniture through hot heat-exchanger rib.

EFFECT: improved air removal from furniture receiving refrigerator.

1 cl, 1 dwg

FIELD: refrigerating and cryogenic engineering.

SUBSTANCE: invention relates to device for fastening first design member, such as cooler, on second design member such, as distribution cabinet. According to invention, first design member is fitted in cutout in wall of second design member. Fastening device consists of at least one springy-flexible clip-like spring yoke with two springy arms. For fastening first design member, such as cooler, on second design member, such as distribution cabinet, spring yoke is secured with possibility of disconnection on outer wall of first design member. Spring arms of yoke rest at spring tension on surface of wall of second design member arranged at right angle to outer wall of first design member. Use of proposed invention provides possibility of building-in of first design member such as cooler into wall of second design member such as distribution cabinet.

EFFECT: facilitated building-in and provision of quick action.

18 cl, 9 dwg

The invention relates to a device for creating cryogenic temperatures in infrared detectors with throttle cooling system

FIELD: refrigerating and cryogenic engineering.

SUBSTANCE: invention relates to device for fastening first design member, such as cooler, on second design member such, as distribution cabinet. According to invention, first design member is fitted in cutout in wall of second design member. Fastening device consists of at least one springy-flexible clip-like spring yoke with two springy arms. For fastening first design member, such as cooler, on second design member, such as distribution cabinet, spring yoke is secured with possibility of disconnection on outer wall of first design member. Spring arms of yoke rest at spring tension on surface of wall of second design member arranged at right angle to outer wall of first design member. Use of proposed invention provides possibility of building-in of first design member such as cooler into wall of second design member such as distribution cabinet.

EFFECT: facilitated building-in and provision of quick action.

18 cl, 9 dwg

Refrigerator // 2313048

FIELD: cooling equipment, particularly domestic refrigerators to be built in furniture.

SUBSTANCE: refrigerator is built in furniture provided with mounting window. The refrigerator comprises thermoelectric unit with cooling heat-exchanger, power supply unit arranged outside the refrigerator and hot heat-exchanger with fan installed thereon. The refrigerator has panel conforming to the mounting window and connected to rear refrigerator wall by means of posts. Power supply unit is fastened to the panel. Fan projects over the panel and is mounted inside panel orifice so that the fan provides air exhausting from furniture interior outside the furniture through hot heat-exchanger rib.

EFFECT: improved air removal from furniture receiving refrigerator.

1 cl, 1 dwg

FIELD: heating, refrigerating engineering.

SUBSTANCE: invention relates to refrigerating engineering, particularly, to domestic and commercial low-temperature chambers (SLTC) with absorption-diffusion refrigerating machines (ADRM). Low-temperature chamber comprises a thermal-insulated housing of bin-type with internal metal chamber and refrigerating unit, evaporator of which is located beyond the usable volume of the chamber and is thermally connected with the usable volume. Two ADRMs installed at the side walls of housing are used a refrigerating unit. The side walls have openings where thermal-insulated units are installed. Thermal-insulated units are made of a high heat-conductivity metal in the form of box. From one side the box bottom is thermally connected to ADRM evaporator, from the other side - to the internal metal chamber. Rear and front walls of the internal metal chamber are additionally thermally-connected to the side walls by means of heat transfer equipment. Heat-removal sections of this equipment are installed at the area of thermal connection to ADRM evaporators. Heat pipes and two-phase or single-phase thermal siphons are used as heat transfer equipment. ADRM components, located beyond the housing, are closed with jackets having air openings at the upper and lower parts. Air fans are installed at the channels formed by jackets and side walls of the housing.

EFFECT: enhancement of low-temperature chamber performance characteristics on repairability.

10 cl, 3 dwg

FIELD: personal demand items.

SUBSTANCE: refrigerator has at least two compartments thermally isolated from each other and from environment; at that, an individual evaporator corresponds to each compartment, to which the cooling agent is supplied irrespective of the evaporator of at least one, the other compartment, and has the devices for switching at least one of the compartments from freezing mode at least to one non-freezing mode. In the compartments there are the setting devices by means of which the preset temperature which is set in the corresponding compartments by means of switching devices can be adjusted within the range of several degrees.

EFFECT: use of this invention will allow giving more flexible operating devices to refrigerators.

15 cl, 6 dwg

FIELD: personal use articles.

SUBSTANCE: modular refrigerating device includes the first flat heat insulation element and further flat heat insulation elements, which may be connected to each other and disconnected from each other, and in joined condition they form a frame of refrigerating device, and refrigerating circuit arranged on the first flat heat insulation element with evaporator, condenser and compressor. Due to just the design of the first flat heat insulation element at least condenser is at least partially mechanically protected at the side that is faced from the first flat heat insulation element. Electric contact device is inbuilt into the first heat insulation element, and whenever the first flat heat insulation element is mechanically connected to the other flat heat insulation element, electric contact device automatically forms an electric contact with electric responsive contact device integrated into this other flat heat insulation element.

EFFECT: reduced opportunity of refrigerating circuit damage in process of transportation of back wall of refrigerating device.

26 cl, 21 dwg

FIELD: personal use articles.

SUBSTANCE: refrigerating unit comprises a heat-insulating body, inside which there is at least one storage chamber, where cold air is supplied with the help of a fan, and an evaporating chamber that serves to locate an evaporator. The evaporating chamber is thermally separated from the storage chamber with a separating plate. The refrigerating unit also comprises an electronic system of the refrigerating unit control and at least one source of light to illuminate the storage chamber. The evaporator, the separating plate and the electronic control system or the evaporator, the separating plate and the source of light are arranged in the form of a module.

EFFECT: development of a refrigerating unit characterised by reliability in operation, efficiency in manufacturing and simplicity in maintenance.

13 cl, 15 dwg

Cooling unit // 2446366

FIELD: power industry.

SUBSTANCE: cooling unit refers to the devices providing accumulation of natural cold. Unit includes evaporator with low-boiling fluid, the outlet of which is interconnected via steam line to condenser the condensate outlet of which is connected via pipeline to evaporator, and unit operation control devices. Evaporator and condenser are made in the form of tight tanks; evaporator is arranged under condenser. Evaporator, condenser, pipeline and steam line are made so that they can operate under pressure of up to 2.5 MPa. Pipeline is equipped with controlled, normally closed valve; steam line is equipped with controlled bypass valve. Evaporator is equipped with cold energy removal device, and condenser is equipped with heat energy removal device. Evaporator and condenser are equipped with heat insulating casings which are equipped with tight hatches which have the possibility of connecting the surface of evaporator and condenser to atmosphere. Electric generator turbine is arranged in steam line channel.

EFFECT: use of this invention allows providing the possibility of changing thermodynamic characteristics of the system in natural way with preliminary cold accumulation at negative temperatures.

2 cl, 1 dwg

FIELD: machine building.

SUBSTANCE: component cooling system includes reservoir for component, which is provided with possibility of being filled at least partially with overcooled fluid with the first pressure and the first temperature, cryogenic system for maintaining in the reservoir for component mainly of the first temperature, which includes heat exchange system thermally connected at least to the section of reservoir for component, heat exchange system is filled at least partially with the second saturated fluid with the second pressure and mainly with the first temperature, and reservoir for cryostat. Reservoir for cryostat is connected via fluid medium to heat exchange system in order to provide pumpless movement of the second saturated fluid between heat exchange system and reservoir for cryostat, which is located in reservoir for cryostat. Buffer reservoir is provided with possibility of being filled at least partially with the first saturated fluid with the second temperature. Heating system of saturated fluid in buffer reservoir for maintaining the first pressure in the reservoir for component.

EFFECT: use of this group of inventions allows reducing the time required for system recovery at providing flexible range of operating temperatures.

FIELD: heating.

SUBSTANCE: cryogenic system includes a liquid helium tank, superconducting magnet windings submerged into liquid helium, a condenser for repeated liquefaction of helium vapours, which has convergent smooth surface, on which helium vapours are condensed and which is periodically interrupted with an interrupting structure that causes discharge of liquid helium that is condensed on smooth surface from a repeated liquefaction condenser. The condenser includes a cooled object that has a converging smooth surface having the possibility of its being installed along vertical axis, many fins passing in a circumferential direction around smooth surface. Upper edge of each fin is located flush with a section of smooth surface, which is located immediately above, and perimetre of lower edge of each fin is larger than that of its upper edge. Between upper and lower edges of each fin there is a smooth inclined surface. A manufacturing method of a condenser for repeated liquefaction, at which machining of a metal element is performed to obtain circular smooth surface of the condenser for repeated liquefaction, which is interrupted by many fins passing in a circumferential direction or helically and projecting out of circular smooth surface, or grooves cut in circular smooth surface.

EFFECT: improving efficiency of a cryogenic cooling system.

15 cl, 4 dwg

FIELD: electrical engineering.

SUBSTANCE: refrigerating device includes a compressor and an electrical condenser, which is connected to compressor, and a holder. Holder on which condenser is mounted is fixed in a groove of refrigerating device.

EFFECT: invention provides simple installation of electrical condenser.

11 cl, 8 dwg

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