Condenser, in particular for a motor vehicle air conditioning circuit, and circuit comprising same
AssigneeValeo Systeme Thermiques
InventorsCarlos Martins, Jerome Genoist, Jacques Hoffnung
Life of this patent
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Abstract
The invention concerns a condenser consisting of stacked plates (2) provided each with a raised peripheral edge (3) in sealed assembly to define flow channels between the plates for a refrigerating fluid (F1) and a cooling fluid (F2). The plates comprise communicating passageways (124) for the passage of the refrigerating fluid and the cooling fluid from one flow channel to the other. Annular ducts (122) are provided opposite the communicating passageways to prevent the fluids from being mixed. A bottle (100) is interposed between a cooling section (94) and sub-cooling section (96). The invention is applicable to motor vehicles.
Claims32
A motor vehicle condenser comprising:
- a multitude of stacked main-section plates having separate internal flow channels for refrigerating fluid and for cooling fluid,
- wherein the main-section plates are assembled to delimit alternating first flow channels for refrigerating fluid and second flow channels for cooling fluid and are assembled in groups or sub groups of plates such that the groups or subgroups form at least two fluid passes for each of the refrigerating and cooling fluids,
- wherein the main-section plates define an inlet for each of the flow channels, respectively, and an outlet for each of the flow channels, respectively, with the inlet and the outlet of each flow channel spaced from each other and with one of the fluid passes defined in one direction from the inlet to the outlet of one of the respective flow channels,
- wherein the plates further comprise communication passages to allow refrigerating and cooling fluid to pass from one flow channel to another and annular ducts facing the communication passages,
- wherein the annular ducts alternately face the communication passages in such a way that the refrigerating and cooling fluid are prevented from mixing with one another, and
- wherein the condenser comprises at least one condenser inlet and one condenser outlet for refrigerating fluid and at least one inlet pass (a) over the refrigerating fluid communicating with said condenser inlet, and an outlet pass (c) communicating with said condenser outlet, the cross section of the passes diminishing from the inlet pass towards the outlet pass.
A motor vehicle condenser comprising:
- a multitude of stacked main-section plates having separate internal flow channels for refrigerating fluid and for cooling fluid,
- wherein the main-section plates are assembled to delimit alternating first flow channels for refrigerating fluid and second flow channels for cooling fluid and are assembled in groups or sub groups of plates such that the groups or subgroups form at least two fluid passes for each of the refrigerating and cooling fluids, and
- wherein the main-section plates define an inlet for each of the flow channels, respectively, and an outlet for each of the flow channels, respectively, with the inlet and the outlet of each flow channel spaced from each other and with one of the fluid passes defined in one direction from the inlet to the outlet of one of the respective flow channels,
- wherein the plates further comprise communication passages to allow refrigerating and cooling fluid to pass from one flow channel to another and annular ducts facing the communication passages,
- wherein the annular ducts alternately face the communication passages in such a way that the refrigerating and cooling fluid are prevented from mixing with one another,
- wherein the annular ducts comprise bowls (122) formed in the plates (2), and
- wherein the condenser comprises at least one condenser inlet and one condenser outlet for refrigerating fluid and at least one inlet pass (a) over the refrigerating fluid communicating with said condenser inlet, and another outlet pass (c) communicating with said condenser outlet, and the cross section of the passes diminishing from the inlet pass towards the outlet pass.
Dependencies are inferred from the claim text.