Refrigerator

By using air duct components made of foamed materials in the air-cooled refrigerator, the air supply and return structure between the evaporator compartment and the refrigerator compartment and variable temperature compartment is simplified, the air supply and return efficiency is improved, and the loss of cold air and energy consumption are reduced.

CN223580342UActive Publication Date: 2025-11-21TCL HOME APPLIANCES (HEFEI) CO LTD
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Patent Information

Application Number
CN202422880356.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-11-21
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

Existing air-cooled refrigerators have complex air duct structures and low air supply and return efficiency, resulting in significant cooling loss and high energy consumption.

Method used

The air duct assembly, made of foamed material, includes the supply air duct of the cold storage compartment, the return air duct of the cold storage compartment, the supply air duct of the variable temperature compartment, and the return air duct of the variable temperature compartment, which simplifies the air supply and return structure between the evaporator compartment and the cold storage compartment and the variable temperature compartment.

Benefits of technology

It improves the efficiency of air supply and return, reduces the loss of cold air in the refrigerator, and thus reduces energy consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides a refrigerator. The refrigerator comprises a refrigerating chamber, a variable-temperature chamber, a freezing chamber, an evaporator bin and an air duct assembly, the evaporator bin communicates with the freezing chamber, and a refrigerating chamber air supply path, a refrigerating chamber air return path, a variable-temperature chamber air supply path and a variable-temperature chamber air return path are arranged in the air duct assembly. According to the refrigerator provided by the embodiment of the invention, the refrigerating chamber air supply path, the refrigerating chamber air return path, the variable-temperature chamber air supply path and the variable-temperature chamber air return path are all arranged in the air duct assembly, and the evaporator bin communicates with the refrigerating chamber and the variable-temperature chamber through the air duct assembly, so that air supply and air return between the evaporator bin and the refrigerating chamber are achieved; compared with the prior art, the air supply and return structure between the evaporator bin and the refrigerating chamber and between the evaporator bin and the variable-temperature chamber can be simplified, the air supply and return efficiency can be improved, therefore, the cooling capacity loss of the refrigerator can be reduced, and then the energy consumption of the refrigerator is reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of refrigeration equipment, in particular to a refrigerator. BACKGROUND

[0002] Air-cooled refrigerator has good preservation effect, fast refrigeration and environmental protection, and the market share of air-cooled refrigerator is also increasing compared with direct-cooled refrigerator.

[0003] The air duct in the existing air-cooled refrigerator mostly adopts plastic pipe parts, and the plastic pipe parts have many components, especially in a three-door refrigerator (including a refrigeration chamber, a variable temperature chamber and a freezer), the plastic pipe parts generally include a refrigeration chamber air supply pipe, a refrigeration chamber air return pipe, a variable temperature chamber air supply pipe, a variable temperature chamber air return pipe and corresponding pipe joints, etc. The structure of these plastic pipe parts is complex, and the air supply and air return efficiency is low, thereby causing more refrigeration loss of the refrigerator, and further causing larger energy consumption of the refrigerator. CONTENT OF THE UTILITY MODEL

[0004] Based on this, the present application provides a refrigerator.

[0005] The present application provides a refrigerator, which comprises a refrigeration chamber, a variable temperature chamber, a freezer, an evaporator bin and an air duct assembly, the evaporator bin is communicated with the freezer, and the air duct assembly is provided with a refrigeration chamber air supply air path, a refrigeration chamber air return air path, a variable temperature chamber air supply air path and a variable temperature chamber air return air path.

[0006] The refrigeration chamber air supply air path is communicated between the evaporator bin and the refrigeration chamber to realize air supply from the evaporator bin to the refrigeration chamber, and the refrigeration chamber air return air path is communicated between the refrigeration chamber and the evaporator bin to realize air return from the refrigeration chamber to the evaporator bin.

[0007] The variable temperature chamber air supply air path is communicated between the evaporator bin and the variable temperature chamber to realize air supply from the evaporator bin to the variable temperature chamber, and the variable temperature chamber air return air path is communicated between the variable temperature chamber and the evaporator bin to realize air return from the variable temperature chamber to the evaporator bin.

[0008] In some embodiments, the air duct assembly comprises oppositely arranged air duct seats and air duct covers, and the air duct seats are provided with a refrigeration chamber air supply air duct groove, a refrigeration chamber air return air duct groove, a variable temperature chamber air supply air duct groove and a variable temperature chamber air return air duct groove.

[0009] The refrigeration chamber air supply air duct groove, the refrigeration chamber air return air duct groove, the variable temperature chamber air supply air duct groove and the variable temperature chamber air return air duct groove respectively define the refrigeration chamber air supply air path, the refrigeration chamber air return air path, the variable temperature chamber air supply air path and the variable temperature chamber air return air path.

[0010] In some embodiments, the refrigeration chamber has a refrigeration air inlet and a refrigeration air return, the refrigeration air inlet is provided with a refrigeration chamber control damper to regulate the air supply of the refrigeration chamber, the refrigeration air inlet is connected to the air outlet end of the refrigeration chamber air supply air path, and the refrigeration air return is connected to the air inlet end of the refrigeration chamber air return air path.

[0011] In some embodiments, the temperature changing chamber has a temperature changing air inlet and a temperature changing air return, the temperature changing air inlet is provided with a temperature changing chamber control damper to regulate the air supply of the temperature changing chamber, the temperature changing air inlet is connected to the air outlet end of the temperature changing chamber air supply air path, and the temperature changing air return is connected to the air inlet end of the temperature changing chamber air return air path.

[0012] In some embodiments, the evaporator compartment has a first air outlet, a first air return, and a second air return arranged at intervals, the first air outlet is connected to the air inlet end of the refrigeration chamber air supply air path and the air inlet end of the temperature changing chamber air supply air path, the first air return is connected to the air outlet end of the refrigeration chamber air return air path, and the second air return is connected to the air outlet end of the temperature changing chamber air return air path.

[0013] In some embodiments, the air duct seat and the air duct cover are both foamed materials.

[0014] In some embodiments, the foamed material is foamed polystyrene.

[0015] In some embodiments, the refrigerator includes a cabinet, a refrigeration liner, a temperature changing liner, and a freezing liner, the refrigeration liner is provided with the refrigeration chamber, the temperature changing liner is provided with the temperature changing chamber, and the freezing liner is provided with the freezing chamber.

[0016] At least one of the refrigeration liner, the temperature changing liner, and the freezing liner is connected to the air duct assembly, and the refrigeration liner, the temperature changing liner, the freezing liner, and the air duct assembly are all arranged in the cabinet.

[0017] In some embodiments, the freezing liner is provided with a freezing air duct cover plate, the freezing air duct cover plate divides the inner cavity of the freezing liner into the evaporator compartment and the freezing chamber, the freezing air duct cover plate is provided with a freezing air outlet and a freezing air return, the freezing air outlet is used to deliver cold air in the evaporator compartment to the freezing chamber, the freezing air return is used to return air in the freezing chamber to the evaporator compartment, the evaporator compartment is provided with an evaporator and a freezing fan, and the freezing fan is arranged close to the freezing air outlet.

[0018] In some embodiments, the freezing liner and the temperature changing liner are arranged side by side, and the refrigeration liner is arranged above the freezing liner and the temperature changing liner.

[0019] The refrigerator provided in this application embodiment incorporates the air supply and return ducts of the refrigerator compartment, the air supply and return ducts of the variable temperature compartment, and the variable temperature compartment into an air duct assembly. This air duct assembly connects the evaporator compartment with the refrigerator compartment and the variable temperature compartment, thereby achieving air supply and return between the evaporator compartment and the refrigerator compartment, as well as between the evaporator compartment and the variable temperature compartment. Compared with the prior art, this simplifies the air supply and return structure between the evaporator compartment and the refrigerator compartment and the variable temperature compartment, improves air supply and return efficiency, and thus reduces the refrigerator's cooling capacity loss, thereby reducing the refrigerator's energy consumption. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0021] Figure 1 This is a first-view structural schematic diagram of a refrigerator provided in an embodiment of this application.

[0022] Figure 2 This is a structural schematic diagram of a refrigerator provided in an embodiment of this application from a second perspective.

[0023] Figure 3 This is a schematic diagram of a first partial structure of a refrigerator provided in an embodiment of this application.

[0024] Figure 4 This is a schematic diagram of a second part of the structure of a refrigerator provided in an embodiment of this application.

[0025] Figure 5 This is a schematic diagram of the third part of the refrigerator provided in an embodiment of this application.

[0026] Figure 6 This is a schematic diagram of the fourth part of the refrigerator provided in an embodiment of this application.

[0027] Figure 7 This is a schematic diagram of the fifth part of the refrigerator provided in the embodiments of this application.

[0028] Component symbol explanation:

[0029] 100, refrigerator; 20, cabinet; 21, back plate; 30, air duct assembly; 31, air duct seat; 311, cold storage room air supply air duct groove; 312, cold storage room return air duct groove; 313, variable temperature room air supply air duct groove; 314, variable temperature room return air duct groove; 32, air duct cover; 40, evaporator bin; 41, first air outlet; 42, first return air inlet; 43, second return air inlet; 44, evaporator; 45, freezing fan; 50, cold storage liner; 51, cold storage room; 53, cold storage return air inlet; 54, cold storage room control damper; 55, cold storage air outlet; 60, variable temperature liner; 61, variable temperature room; 62, variable temperature air inlet; 63, variable temperature return air inlet; 64, variable temperature room control damper; 65, variable temperature air outlet; 70, freezing liner; 71, freezing room; 72, freezing air duct cover plate; 73, freezing air outlet; 74, freezing return air inlet. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0033] In the present application, unless specifically defined and limited otherwise, a first feature "on" or "under" a second feature can be directly in contact with the second feature, or indirectly in contact with the second feature through an intermediate medium. Also, a first feature "over", "above" and "on top of" a second feature can be directly above or obliquely above the second feature, or simply means that the first feature is higher in horizontal level than the second feature. A first feature "under", "below" and "underneath" a second feature can be directly below or obliquely below the second feature, or simply means that the first feature is lower in horizontal level than the second feature.

[0034] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0035] Please refer to Figures 1 to 7 The refrigerator 100 provided by the embodiments of the present application comprises a refrigeration chamber 51, a variable temperature chamber 61, a freezing chamber 71, an evaporator bin 40 and an air duct assembly 30. The evaporator bin 40 is in communication with the freezing chamber 71. The air duct assembly 30 is provided with a refrigeration chamber air supply air path, a refrigeration chamber return air path, a variable temperature chamber air supply air path and a variable temperature chamber return air path.

[0036] The refrigeration chamber air supply air path is in communication between the evaporator bin 40 and the refrigeration chamber 51 to achieve air supply from the evaporator bin 40 to the refrigeration chamber. The refrigeration chamber return air path is in communication between the refrigeration chamber 51 and the evaporator bin 40 to achieve air return from the refrigeration chamber 51 to the evaporator bin 40.

[0037] The variable temperature chamber air supply air path is in communication between the evaporator bin 40 and the variable temperature chamber 61 to achieve air supply from the evaporator bin 40 to the variable temperature chamber. The variable temperature chamber return air path is in communication between the variable temperature chamber 61 and the evaporator bin 40 to achieve air return from the variable temperature chamber 61 to the evaporator bin 40.

[0038] Exemplarily, the temperature of the refrigeration chamber 51 can be 2-8℃, the temperature of the variable temperature chamber 61 can be -20-8℃, and the temperature of the freezing chamber 71 can be -25--15℃.

[0039] The refrigerator 100 provided by the embodiment of the present application can simplify the air supply and return structure between the evaporator compartment 40 and the refrigeration chamber 51 and the variable temperature chamber 61, improve the air supply and return efficiency, thereby reducing the refrigeration capacity loss of the refrigerator 100 and further reducing the energy consumption of the refrigerator 100, compared with the prior art.

[0040] Referring to Figure 3 and Figure 4 , wherein, Figure 4 is a schematic view after the air duct cover 32 in Figure 3 is removed, the air duct assembly 30 includes the air duct seat 31 and the air duct cover 32 arranged oppositely, the air duct seat 31 is provided with the refrigeration chamber air supply duct groove 311, the refrigeration chamber air return duct groove 312, the variable temperature chamber air supply duct groove 313 and the variable temperature chamber air return duct groove 314;

[0041] The refrigeration chamber air supply duct groove 311, the refrigeration chamber air return duct groove 312, the variable temperature chamber air supply duct groove 313 and the variable temperature chamber air return duct groove 314 define the refrigeration chamber air supply air path, the refrigeration chamber air return air path, the variable temperature chamber air supply air path and the variable temperature chamber air return air path, respectively.

[0042] Exemplarily, the air duct seat 31 and the air duct cover 32 can be integrated by concave-convex structure buckling, for example, one of the air duct seat 31 and the air duct cover 32 is provided with a groove, and the other is provided with a convex structure matched with the groove, and the convex structure is clamped in the groove. It can be understood that the air duct seat 31 and the air duct cover 32 buckled by the concave-convex structure can form sealed air supply air path and air return air path; in order to further improve the sealing performance of the air supply air path and the air return air path, a sealing structure such as sealing glue, sealing strip, etc. can also be arranged at the edge of the air duct seat 31 and the air duct cover 32.

[0043] Referring to Figure 4 and Figure 5 , the refrigeration chamber 51 has a refrigeration air inlet and a refrigeration air return port 53, the refrigeration chamber control damper 54 is arranged at the position of the refrigeration air inlet to adjust the air supply of the refrigeration chamber 51, the refrigeration air inlet is communicated with the air outlet end of the refrigeration chamber air supply air path, and the refrigeration air return port 53 is communicated with the air inlet end of the refrigeration chamber air return air path.

[0044] Referring to Figure 6The temperature-variable room 61 has a temperature-variable air inlet 62 and a temperature-variable air return 63. The temperature-variable air inlet 62 is provided with a temperature-variable room control air door 64 to regulate the air supply of the temperature-variable room 61. The temperature-variable air inlet 62 is connected to the air outlet end of the temperature-variable room air supply air path. The temperature-variable air return 63 is connected to the air inlet end of the temperature-variable room air return air path.

[0045] Please refer to Figure 5 The evaporator compartment 40 has a first air outlet 41, a first air return 42, and a second air return 43 arranged at intervals. The first air outlet 41 is connected to the air inlet end of the refrigeration room air supply air path and the air inlet end of the temperature-variable room air supply air path. The first air return 42 is connected to the air outlet end of the refrigeration room air return air path. The second air return 43 is connected to the air outlet end of the temperature-variable room air return air path.

[0046] Exemplarily, the air duct seat 31 and the air duct cover 32 are both foamed materials.

[0047] Exemplarily, the foamed material is foamed polystyrene.

[0048] Exemplarily, the foamed material is foamed polystyrene (EPS), which is a lightweight and porous polymer. It is manufactured by adding a foaming agent to polystyrene resin and then heating to form a sealed honeycomb structure containing bubbles.

[0049] Please refer to Figure 2 and Figure 3 The cabinet 20 includes a back plate 21. The air duct assembly 30 is arranged close to the back plate 21.

[0050] Please refer to Figure 2 and Figure 3 , wherein, Figure 3 is a schematic view of the back plate 21 removed from Figure 2 The refrigerator 100 includes a cabinet 20, a refrigeration liner 50, a temperature-variable liner 60, and a freezing liner 70. The refrigeration liner 50 is internally provided with a refrigeration room 51. The temperature-variable liner 60 is internally provided with a temperature-variable room 61. The freezing liner 70 is internally provided with a freezing room 71.

[0051] At least one of the refrigeration liner 50, the temperature-variable liner 60, and the freezing liner 70 is connected to the air duct assembly 30. The refrigeration liner 50, the temperature-variable liner 60, the freezing liner 70, and the air duct assembly 30 are all arranged in the cabinet 20.

[0052] Please refer to Figure 1 , Figure 3 and Figure 7 , wherein, Figure 7 is a schematic view of the back plate 21 removed from Figure 1FIG. 6 is a schematic view of the refrigerator 100 according to the embodiment of the present application, wherein the cover plate 72 of the freezing air duct is removed, and the freezing inner container 70 is provided with the cover plate 72 of the freezing air duct, the cover plate 72 of the freezing air duct separates the inner cavity of the freezing inner container 70 into the evaporator compartment 40 and the freezing chamber 71, the cover plate 72 of the freezing air duct is provided with the freezing air outlet 73 and the freezing air return 74, the freezing air outlet 73 is used to deliver the cold air in the evaporator compartment 40 to the freezing chamber 71, the freezing air return 74 is used to return the air in the freezing chamber to the evaporator compartment 40, the evaporator compartment 40 is provided with the evaporator 44 and the freezing fan 45, and the freezing fan 45 is arranged close to the freezing air outlet 73.

[0053] Referring to FIG. 6, Figure 1 and Figure 3 , the freezing inner container 70 and the variable-temperature inner container 60 are arranged side by side, and the refrigerating inner container 50 is arranged above the freezing inner container 70 and the variable-temperature inner container 60.

[0054] It should be noted that, in the embodiment of the present application, the refrigerating inner container 50 arranged above the freezing inner container 70 and the variable-temperature inner container 60 refers to the positional relationship when the refrigerator 100 is in the use state.

[0055] Referring to FIG. 6, Figure 1 , the refrigerating chamber 51 further has the refrigerating air outlet 55, and the refrigerating air outlet 55 is communicated with the refrigerating air inlet to introduce the cold air into the refrigerating chamber 51.

[0056] Referring to FIG. 6, Figure 1 , the variable-temperature chamber 61 further has the variable-temperature air outlet 65, and the variable-temperature air outlet 65 is communicated with the variable-temperature air inlet 62 to introduce the cold air into the variable-temperature chamber 61.

[0057] The above has introduced the refrigerator provided by the embodiment of the present application in detail. The principle and implementation mode of the present application are described by applying specific examples in this paper, and the above embodiment description is only used to help understand the present application. Meanwhile, according to the idea of the present application, the specific implementation mode and application range will be changed by the person skilled in the art, and the above description should not be understood as the limitation of the present application.

Claims

1. A refrigerator characterized by comprising: The refrigerator comprises a refrigeration chamber, a variable temperature chamber, a freezing chamber, an evaporator bin and an air duct assembly, the evaporator bin is communicated with the freezing chamber, and the air duct assembly is provided with a refrigeration chamber air supply air path, a refrigeration chamber return air path, a variable temperature chamber air supply air path and a variable temperature chamber return air path; The refrigeration chamber air supply air path is communicated between the evaporator bin and the refrigeration chamber to realize air supply of the evaporator bin to the refrigeration chamber, and the refrigeration chamber return air path is communicated between the refrigeration chamber and the evaporator bin to realize return air of the refrigeration chamber to the evaporator bin. The variable temperature chamber air supply air path is communicated between the evaporator bin and the variable temperature chamber to realize air supply of the evaporator bin to the variable temperature chamber, and the variable temperature chamber return air path is communicated between the variable temperature chamber and the evaporator bin to realize return air of the variable temperature chamber to the evaporator bin.

2. The refrigerator according to claim 1, characterized in that, The air duct assembly comprises oppositely arranged air duct seats and air duct covers, and the air duct seats are provided with a refrigeration chamber air supply air duct groove, a refrigeration chamber return air air duct groove, a variable temperature chamber air supply air duct groove and a variable temperature chamber return air air duct groove; The refrigeration chamber air supply air duct groove, the refrigeration chamber return air air duct groove, the variable temperature chamber air supply air duct groove and the variable temperature chamber return air air duct groove respectively define the refrigeration chamber air supply air path, the refrigeration chamber return air path, the variable temperature chamber air supply air path and the variable temperature chamber return air path.

3. The refrigerator according to claim 2, characterized in that, The refrigeration chamber is provided with a refrigeration air inlet and a refrigeration air return, the refrigeration chamber control damper is arranged at the position of the refrigeration air inlet to adjust the air supply of the refrigeration chamber, the refrigeration air inlet is communicated with the air outlet end of the refrigeration chamber air supply air path, and the refrigeration air return is communicated with the air inlet end of the refrigeration chamber return air path.

4. The refrigerator according to claim 2, characterized in that, The variable temperature chamber is provided with a variable temperature air inlet and a variable temperature air return, the variable temperature chamber control damper is arranged at the position of the variable temperature air inlet to adjust the air supply of the variable temperature chamber, the variable temperature air inlet is communicated with the air outlet end of the variable temperature chamber air supply air path, and the variable temperature air return is communicated with the air inlet end of the variable temperature chamber return air path.

5. The refrigerator according to claim 2, characterized in that, The evaporator bin is provided with a first air outlet, a first air return and a second air return which are arranged at intervals, the first air outlet is communicated with the air inlet end of the refrigeration chamber air supply air path and the air inlet end of the variable temperature chamber air supply air path, the first air return is communicated with the air outlet end of the refrigeration chamber return air path, and the second air return is communicated with the air outlet end of the variable temperature chamber return air path.

6. The refrigerator according to claim 2, characterized in that, The air duct seat and the air duct cover are both foamed materials.

7. The refrigerator according to claim 6, characterized in that The foamed material is foamed polystyrene.

8. The refrigerator according to any one of claims 1 to 7, characterized in that The refrigerator comprises a cabinet, a refrigeration liner, a variable temperature liner and a freezing liner, the refrigeration liner is provided with the refrigeration chamber, the variable temperature liner is provided with the variable temperature chamber, and the freezing liner is provided with the freezing chamber; At least one of the refrigeration liner, the variable temperature liner and the freezing liner is connected with the air duct assembly, and the refrigeration liner, the variable temperature liner, the freezing liner and the air duct assembly are all arranged in the cabinet.

9. The refrigerator according to claim 8, characterized in that, The freezing inner container is internally provided with a freezing air duct cover plate, which separates the inner cavity of the freezing inner container into the evaporator compartment and the freezing chamber, and is provided with a freezing air outlet and a freezing return air outlet, the freezing air outlet is used for conveying cold air in the evaporator compartment to the freezing chamber, and the freezing return air outlet is used for returning air in the freezing chamber to the evaporator compartment, and the evaporator compartment is internally provided with an evaporator and a freezing fan, and the freezing fan is arranged close to the freezing air outlet.

10. The refrigerator according to claim 8, characterized in that, The freezing inner container and the variable-temperature inner container are arranged side by side, and the refrigerating inner container is arranged above the freezing inner container and the variable-temperature inner container.