초록 ▼

The present invention relates to a refrigerated air supply system (21) for a freezer and/or refrigerator cabinet having at least one cabinet compartment (17) at least partly defined by inner walls (16), an insulation layer at least partly enclosing the cabinet compartment. The cabinet compartment (1

The present invention relates to a refrigerated air supply system (21) for a freezer and/or refrigerator cabinet having at least one cabinet compartment (17) at least partly defined by inner walls (16), an insulation layer at least partly enclosing the cabinet compartment. The cabinet compartment (17) has an compartment opening facing substantially upwards, which compartment opening connects the cabinet compartment (17) with the space surrounding the cabinet, the cabinet also including, a door which in one position covers the compartment opening and substantially encloses the cabinet compartment (17). The cabinet further includes a machine compartment (23) for storing at least a compressor, at least one of the inner walls (16) having a substantially horizontal shelf plane (52) where at least one of the planes (52) is being positioned vertically above the machine compartment (23).

대표청구항 ▼

1. A chest freezer, comprising: a cabinet (115),inner walls (116) defining a single cabinet compartment (117) having an opening that faces upwards,an insulation layer at least partly enclosing said cabinet compartment,a door (119) which in a horizontal position closes said opening, anda refrigerated

1. A chest freezer, comprising: a cabinet (115),inner walls (116) defining a single cabinet compartment (117) having an opening that faces upwards,an insulation layer at least partly enclosing said cabinet compartment,a door (119) which in a horizontal position closes said opening, anda refrigerated air supply system (121) positioned inside said cabinet compartment,wherein the refrigerated air supply system (121) comprises:a return ducting part (125) placed against a first inner wall and defining ducts to bring an airflow,an evaporator (126) positioned in the return ducting part for refrigerating the airflow,a fan (128) to circulate the airflow,a door ducting part (146, 180) to guide the airflow along the door from the return ducting part to the cabinet compartment, in a direction from the first inner wall to a second inner wall that is opposite to said first inner wall, anda floor ducting part (122) to guide the airflow along the floor of the cabinet compartment from the cabinet compartment back to the return ducting part (125), in the direction from the second inner wall to the first inner wall. 2. Chest freezer according to claim 1, wherein the floor ducting part (122) is placed horizontally on the floor and has an air inlet (141) to receive the airflow from the cabinet compartment, and it communicates with the return ducting part for guiding the airflow into the return ducting part. 3. Chest freezer according to claim 1, wherein the floor ducting part (122) comprises a plurality of parallel ducts for bringing the airflow. 4. Chest freezer according to claim 1, wherein the door ducting part (146, 180) has at least one airflow inlet (161, 181) to receive the airflow from the return ducting part (125), at least one airflow outlet (163, 183) to allow the airflow to flow downwards into the cabinet compartment, and at least one door ducting space (169, 182) creating an airflow connection between said at least one airflow inlet (161, 181) and said at least one outlet (163, 183). 5. Chest freezer according to claim 4 wherein said door ducting part (146) comprises separating means (168) dividing the airflow inside said door ducting space so that the airflow flows towards at least two separate airflow outlets (163) respectively. 6. Chest freezer according to claim 4, wherein the door ducting part (146, 180) comprises a plurality of airflow outlets (163) arranged in two distinct rows, the size of the openings increasing with the distance from the return ducting part (125). 7. Chest freezer according to claim 3, wherein a backside (43) of said floor ducting part (22) comprises separated ribs (44) to separate said parallel ducts from each other. 8. Chest freezer according to claim 1, wherein machine compartment walls (124) define a machine compartment (123) for storing at least one compressor, wherein one of the inner walls (116) forms a shelf plane (52) above the machine compartment (123) and wherein the return ducting part cooperates with the shape of said one of the inner walls (116). 9. Chest freezer according to claim 1, wherein the single cabinet compartment (117) is fully opened upward. 10. Chest freezer according to claim 9, wherein the chest freezer does not include another opening or door. 11. Chest freezer according to claim 1, wherein the floor ducting part (122) comprises a floor panel and separated ribs (44) that extend from the floor panel and define a plurality of parallel ducts for bringing the airflow. 12. Chest freezer according to claim 1, wherein the floor ducting part (122) comprises a front side facing upward and a backside facing a floor of the single cabinet compartment (117), wherein the front side comprises one or more grooves along its surface. 13. Chest freezer according to claim 4, wherein an outlet wall defining the at least one airflow outlet (163, 183) extends from a planar surface of the door ducting part (146, 180). 14. Chest freezer according to claim 13, wherein an edge of the outlet wall has a groove. 15. Chest freezer according to claim 14, wherein the outlet wall extends from the planar surface at a sloping angle. 16. Chest freezer according to claim 1, wherein the inner walls (116) comprise one or more grooves. 17. Chest freezer according to claim 1, wherein the door ducting part (146, 180) comprises a lid air directing part (160) and the return ducting part (125) comprises an airflow directing part 135 to guide the airflow into the lid air directing part (160) when the door closes said opening. 18. Chest freezer according to claim 17, wherein a sealing surface of the lid air directing part (160) abuts a sealing surface of the airflow directing part 135 when the door closes said opening.