US 12,439,560 B2
Refrigeration circuit device, and method for operating a refrigeration circuit device of this type
Ulrich Hafner, Burgwald (DE); and Christopher Wrede, Medebach (DE)
Assigned to VIESSMANN CLIMATE SOLUTIONS SE, Allendorf (DE)
Appl. No. 18/029,221
Filed by VIESSMANN CLIMATE SOLUTIONS SE, Allendorf (DE)
PCT Filed Oct. 5, 2021, PCT No. PCT/DE2021/100798
§ 371(c)(1), (2) Date Mar. 29, 2023,
PCT Pub. No. WO2022/073555, PCT Pub. Date Apr. 14, 2022.
Claims priority of application No. 10 2020 126 580.8 (DE), filed on Oct. 9, 2020.
Prior Publication US 2023/0380109 A1, Nov. 23, 2023
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/20354 (2013.01) [H05K 7/20309 (2013.01); H05K 7/20318 (2013.01); H05K 7/2039 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A refrigeration circuit device, comprising:
a compressor (1) for compressing a refrigerant,
a condenser (2) connected downstream of the compressor (1) in a flow direction of the refrigerant,
a first expansion device (3) connected downstream of the condenser (2) in the flow direction of the refrigerant,
a heat exchanger (4) connected downstream of the first expansion device (3) in the flow direction of the refrigerant,
an electronic device (7) that is to be cooled connected to the heat exchanger (4),
a second expansion device (5) connected downstream of the heat exchanger (4) in the flow direction of the refrigerant,
an evaporator (6) connected downstream of the second expansion device (5) in the flow direction of the refrigerant,
wherein the compressor (1) is later connected downstream of the evaporator (6),
wherein the heat exchanger (4) is configured as an internal heat exchanger for transferring additional heat to the refrigerant, and comprises:
a primary side (4.1) which is connected to the first expansion device (3), and
a secondary side (4.2) which is connected on one hand to the evaporator (6) and another hand to the compressor (1).