A refrigerant distribution system has a plurality of chambers formed inside a refrigerant distribution plate, each of the plurality of chambers extending from one end of the refrigerant distribution plate into the refrigerant distribution plate; and a plurality of holes formed in each of the plurali
A refrigerant distribution system has a plurality of chambers formed inside a refrigerant distribution plate, each of the plurality of chambers extending from one end of the refrigerant distribution plate into the refrigerant distribution plate; and a plurality of holes formed in each of the plurality of chambers, the plurality of holes fluidly communicating each of the plurality of chambers with an outside of the refrigerant distribution place. The evaporator may be oriented such that the refrigerant flows horizontally with respect to gravity. The present invention may improve the thermal performance of the evaporator while the evaporator is oriented sub-optimally. Often, with horizontal flow through an evaporator, the refrigerant phases, liquid and vapor, may separate in the manifold, resulting in poor distribution of refrigerant in the evaporator core. The refrigerant distribution plate of the present invention evenly distributes the refrigerant in the core.
대표청구항▼
1. A refrigerant distribution plate comprising: a plurality of refrigerant inlet chambers formed inside the refrigerant distribution plate, the plurality of refrigerant inlet chambers coupled with a manifold to receive refrigerant entering the refrigerant distribution plate and to disperse the recei
1. A refrigerant distribution plate comprising: a plurality of refrigerant inlet chambers formed inside the refrigerant distribution plate, the plurality of refrigerant inlet chambers coupled with a manifold to receive refrigerant entering the refrigerant distribution plate and to disperse the received refrigerant to the plurality of refrigerant inlet chambers, the plurality of refrigerant inlet chambers extending lengthwise from a first end of the refrigerant distribution plate to a second end of the refrigerant distribution plate, wherein refrigerant flows in a direction from the first end of the refrigerant distribution plate toward the second end of the refrigerant distribution plate within each of the plurality of refrigerant inlet chambers;a plurality of ridges disposed on a side of the refrigerant distribution plate, each ridge of the plurality of ridges extending from an outside end of the side of the refrigerant distribution plate such that adjacent ridges of the plurality of ridges form paths that extend from the refrigerant distribution plate to an evaporator core connected to the refrigerant distribution plate, each path being aligned with a flow row on the evaporator core,a plurality of hole sets, each of the plurality of hole sets formed between adjacent ridges, each of the hole sets fluidly communicating with one of the refrigerant inlet chambers located between adjacent ridges; andeach one of the plurality of hole sets formed between adjacent ridges to form a refrigerant flow path to direct the refrigerant to the respective flow row on the evaporator core. 2. The refrigerant distribution plate of claim 1, wherein each of the plurality of refrigerant inlet chambers are oriented parallel to one another. 3. The refrigerant distribution plate of claim 1, wherein the holes have diameters smaller than diameters of the plurality of refrigerant inlet chambers. 4. An evaporator comprising: an evaporator core with a plurality of flow paths receiving a fluid to be cooled;a refrigerant distribution plate for distributing refrigerant into the flow paths of the evaporator core, wherein the refrigerant distribution plate comprises:(a) a plurality of refrigerant inlet chambers formed inside the refrigerant distribution plate, the plurality of refrigerant inlet chambers coupled with a manifold to receive refrigerant entering the refrigerant distribution plate and to disperse the received refrigerant to the plurality of refrigerant inlet chambers, the plurality of refrigerant inlet chambers extending lengthwise from a first end of the refrigerant distribution plate to a second end of the refrigerant distribution plate;(b) a plurality of ridges disposed on a ridge side of the refrigerant distribution plate, each ridge of the plurality of ridges extending from an outside end of the ridge side of the refrigerant distribution plate so that adjacent ridges form paths that extend from the refrigerant distribution plate to the evaporator core connected to the refrigerant distribution plate, each path being aligned with a flow row on the evaporator core, wherein all surfaces of the plurality of ridges and the ridge side are disposed about an exterior of the evaporator core; and(c) a plurality of hole sets, each one of the plurality of hole sets formed on the ridge side between adjacent ridges, each of the hole sets fluidly communicating with one of the refrigerant inlet chambers located between adjacent ridges,each one of the plurality of hole sets disposed between adjacent ridges to form a refrigerant flow path to direct the refrigerant to the respective flow row of the evaporator core. 5. The evaporator of claim 4, further comprising a refrigerant recovery outlet for receiving refrigerant from the evaporator core for delivery back to a compressor. 6. The evaporator of claim 4, wherein: each of the plurality of hole sets are formed in one side of the refrigerant distribution plate; andthe plurality of hole sets in one of the plurality of sets of holes associated with each of the plurality of refrigerant inlet chambers are spaced along a length of the refrigerant distribution plate. 7. The evaporator of claim 4, wherein a flow of refrigerant through the evaporator core is co-planar with a flow of the refrigerant in the refrigerant distribution plate. 8. A method for distributing refrigerant into an evaporator core that includes a plurality of flow paths receiving a fluid to be cooled; a refrigerant distribution plate connected to the evaporator core and includes a plurality of refrigerant inlet chambers, the plurality of refrigerant inlet chambers extending lengthwise from a first end of the refrigerant distribution plate to a second end of the refrigerant distribution plate; each inlet chamber being aligned with only one of a plurality of flow paths of the evaporator core, a plurality of ridges disposed on a side of the refrigerant distribution plate, each ridge of the plurality of ridges extending from an outside end of the side of the refrigerant distribution plate such that adjacent ridges of the plurality of ridges form paths that extends from the first end of the refrigerant distribution plate to the evaporator core, the method comprising the steps of: delivering refrigerant directly into the plurality of inlet chambers;flowing the refrigerant from the first end of the refrigerant distribution plate toward the second end of the refrigerant distribution plate within each one of the plurality of inlet chambers, and out of each one of the plurality of inlet chambers through hole sets directing the refrigerant from the inlet chambers into only one of the flow paths on the evaporator core that is aligned with said inlet chamber. 9. The method of claim 8, further comprising passing a flow of refrigerant through the evaporator core and the refrigerant distribution plate such that the refrigerant flow through the evaporator core is co-planar with the flow through the refrigerant distribution plate. 10. The method of claim 8, wherein the plurality of hole sets have a diameter smaller than a diameter of the inlet chambers. 11. The refrigerant distribution plate of claim 1, wherein one of the plurality of refrigerant inlet chambers is closed at a portion adjacent to the second end of the refrigerant distribution plate.
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이 특허에 인용된 특허 (8)
Glezer,Ari; Mahalingam,Raghavendran, Apparatus and method for enhanced heat transfer.
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