초록 ▼

The invention relates to a heat exchanger, in particular an evaporator (1), with a plurality of refrigerant-carrying pipes (6, 7) which are arranged next to one another and end in at least one collecting vessel (9), and with at least one cold accumulator (4), in which a cold accumulating medium is p

The invention relates to a heat exchanger, in particular an evaporator (1), with a plurality of refrigerant-carrying pipes (6, 7) which are arranged next to one another and end in at least one collecting vessel (9), and with at least one cold accumulator (4), in which a cold accumulating medium is provided, wherein the evaporator (1) has two regions arranged parallel to each other, a first region (1′) and a second region (1′), and the cold accumulator (4) is arranged in the second region (1′). In this case, the refrigerant-carrying pipes (6, 7) of the first and second regions (1′,1′) are arranged in line with one another and have a width corresponding to one another (b1, b2, b3), and the first and second regions (1′, 1′) have common, continuous corrugated rib.

대표청구항 ▼

1. A heat exchanger comprising: a first plurality of pipes configured to allow flow of refrigerant therethrough;a second plurality of pipes configured to allow flow of refrigerant therethrough;a plurality of cold accumulating pipes, each cold accumulating pipe comprising a refrigerant duct configure

1. A heat exchanger comprising: a first plurality of pipes configured to allow flow of refrigerant therethrough;a second plurality of pipes configured to allow flow of refrigerant therethrough;a plurality of cold accumulating pipes, each cold accumulating pipe comprising a refrigerant duct configured to allow flow of refrigerant therethrough, and a cold accumulating medium cavity configured to hold a cold accumulating medium, wherein, for each cold accumulating pipe, an elongated length of the cold accumulating medium cavity runs alongside a length of the refrigerant duct in a parallel manner;at least one upper collecting vessel comprising a first upper collecting vessel region and a second upper collecting vessel region; andat least one lower collecting vessel comprising a first lower collecting vessel region and a second lower collecting vessel region,wherein the first plurality of pipes, the second plurality of pipes, and the cold accumulating pipes are arranged in parallel,wherein ends of the first plurality of pipes are connected in a fluid-transmitting manner to the first upper collecting vessel region and the first lower collecting vessel region,wherein ends of the second plurality of pipes and ends of the refrigerant ducts are connected in a fluid-transmitting manner to the second upper collecting vessel region and the second lower collecting vessel region, andwherein the first plurality of pipes, the second plurality of pipes, and the plurality of cold accumulating pipes have a common width, and the first plurality of pipes is directly adjacent to the second plurality of pipes, the second plurality of pipes is directly adjacent to both the plurality of cold accumulating pipes and the first plurality of pipes, the plurality of cold accumulating pipes is directly adjacent to the second plurality of pipes but is not directly adjacent to the first plurality of pipes. 2. The heat exchanger of claim 1, further comprising a plurality of corrugated fins, at least one of the plurality of corrugated fins being disposed continuously between two of the first plurality of pipes, two of the second plurality of pipes, and two of the plurality of cold accumulating pipes. 3. The heat exchanger of claim 1, wherein: the first plurality of pipes, the first upper collecting vessel region, and the first lower collecting vessel region are located on an air inflow side of the heat exchanger, andthe second plurality of pipes, the plurality of cold accumulating pipes, the second upper collecting vessel region, and the second lower collecting vessel region are located on an air outflow side of the heat exchanger. 4. The heat exchanger of claim 1, wherein the first plurality of pipes is separated from the plurality of cold accumulating pipes by the second plurality of pipes. 5. The heat exchanger of claim 1, wherein each of the cold accumulating pipes is a double-walled pipe, the refrigerant duct being located in a central region of the cold accumulating pipe, and the cold accumulating medium cavity being located in an outer region of the cold accumulating pipe. 6. The heat exchanger of claim 1, wherein the first plurality of pipes is arranged in a first row, the second plurality of pipes is arranged in a second row, and the plurality of cold accumulating pipes are arranged in a third row. 7. The heat exchanger of claim 1, further comprising a cold accumulating medium collecting vessel, wherein: ends of the cold accumulating medium cavities are connected in a fluid-transmitting manner to the cold accumulating medium collecting vessel, andthe refrigerant ducts extend through the cold accumulating medium collecting vessel before connecting to the second upper collecting vessel region. 8. The heat exchanger of claim 1, wherein: the heat exchanger includes a plurality of blocks configured to allow flow of refrigerant in different directions, the plurality of blocks including a first row of adjacent blocks and a second row of adjacent blocks,the first row of adjacent blocks comprises the first plurality of pipes, andthe second row of adjacent blocks comprises the second row of pipes and the plurality of cold accumulating pipes. 9. The heat exchanger of claim 8, wherein the first row of adjacent blocks includes two to four blocks, and the second row of adjacent blocks includes two to four blocks. 10. The heat exchanger of claim 9, wherein the first row of adjacent blocks includes three blocks, and the second row of adjacent blocks includes three blocks. 11. The heat exchanger of claim 1, further comprising the cold accumulating medium, wherein a phase conversion temperature of the cold accumulating medium is in a range from 0° C. to 30° C. 12. The heat exchanger of claim 1, further comprising the cold accumulating medium, wherein a phase conversion temperature of the cold accumulating medium is in a range from 2° C. to 15° C. 13. The heat exchanger of claim 1, further comprising the cold accumulating medium, wherein a phase conversion temperature of the cold accumulating medium is in a range from 4° C. to 12° C. 14. The heat exchanger of claim 1, wherein at least one insert is arranged in at least one of the plurality of cold accumulating pipes. 15. The heat exchanger of claim 1, wherein the at least one upper collecting vessel is formed in a single-piece, the first upper collecting vessel region being separated from the second upper collecting vessel region by a dividing wall. 16. The heat exchanger of claim 1, wherein the at least one lower collecting vessel is formed in a single-piece, the first lower collecting vessel region being separated from the second lower collecting vessel region by a dividing wall. 17. The heat exchanger of claim 1, wherein the at least one upper collecting vessel is formed of first and second upper collecting vessels, the first upper collecting vessel region being located in the first upper collecting vessel, and the second upper collecting vessel region being located in the second upper collecting vessel. 18. The heat exchanger of claim 1, wherein the at least one lower collecting vessel is formed of first and second lower collecting vessels, the first lower collecting vessel region being located in the first lower collecting vessel, and the second lower collecting vessel region being located in the second lower collecting vessel. 19. The heat exchanger of claim 1, wherein the direction of the flow of air through the heat exchanger is perpendicular to the flow of the refrigerant through the first and second plurality of pipes.