A heat exchanger includes a casing having a first inlet, a first outlet, a second inlet, and a second outlet, and a plate assembly positioned between the first inlet and the first outlet and between the second inlet and the second outlet and at least partially in the casing, the plate assembly is be
A heat exchanger includes a casing having a first inlet, a first outlet, a second inlet, and a second outlet, and a plate assembly positioned between the first inlet and the first outlet and between the second inlet and the second outlet and at least partially in the casing, the plate assembly is being configured to transfer heat between a first fluid and a second fluid. The heat exchanger also includes a first plenum connecting a first side of the plate assembly and configured to direct the first fluid from first inlet to the plate assembly, and a second plenum connecting a second side of the plate assembly and configured to direct the first fluid from the plate assembly to the first outlet. An exterior of the second plenum is in contact with the second fluid, and the second plenum is configured to resiliently deflect in response to thermal expansion.
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1. A heat exchanger, comprising: a casing having a first inlet, a first outlet, a second inlet, and a second outlet;a plate assembly positioned between the first inlet and the first outlet and between the second inlet and the second outlet and at least partially in the casing, wherein the plate asse
1. A heat exchanger, comprising: a casing having a first inlet, a first outlet, a second inlet, and a second outlet;a plate assembly positioned between the first inlet and the first outlet and between the second inlet and the second outlet and at least partially in the casing, wherein the plate assembly is configured to transfer heat between a first fluid and a second fluid;a first plenum connecting a first side of the plate assembly and configured to direct the first fluid from the first inlet to the plate assembly;a second plenum connecting a second side of the plate assembly and configured to direct the first fluid from the plate assembly to the first outlet, wherein an exterior of the second plenum is in contact with the second fluid, and wherein the second plenum is configured to resiliently deflect in response to thermal expansion of the second plenum, the plate assembly, the casing, or a combination thereof;a first manifold connected to and extending from the first inlet and coupled to the first plenum so as to communicate fluid from the first inlet to within the first plenum; anda second manifold connected to and extending from the first outlet so as to communicate fluid from the second plenum to the first outlet. 2. A heat exchanger, comprising: a casing having a first inlet, a first outlet, a second inlet, and a second outlet;a plate assembly positioned between the first inlet and the first outlet and between the second inlet and the second outlet and at least partially in the casing, wherein the plate assembly is configured to transfer heat between a first fluid and a second fluid;a first plenum connecting a first side of the plate assembly and configured to direct the first fluid from the first inlet to the plate assembly; anda second plenum connecting a second side of the plate assembly and configured to direct the first fluid from the plate assembly to the first outlet, wherein an exterior of the second plenum is in contact with the second fluid, and wherein the second plenum is configured to resiliently deflect in response to thermal expansion of the second plenum, the plate assembly, the casing, or a combination thereof,wherein the first plenum comprises a trough and two crests, such that bending deflection of the first plenum is provided by a curvature of the crests, to compensate for thermal expansion. 3. The heat exchanger of claim 1, wherein: the second inlet communicates with the plate assembly through the casing and is prevented from communicating with an interior of the first plenum and an interior of the second plenum; andthe second outlet communicates with the plate assembly through the casing and is prevented from communicating with the interior of the first plenum and the interior of the second plenum. 4. The heat exchanger of claim 3, further comprising one or more divider walls positioned adjacent to the plate assembly, the one or more divider walls being configured to channel a fluid received through the second inlet and direct the fluid to the plate assembly. 5. The heat exchanger of claim 1, wherein the casing comprises a flange, the flange being configured to expand and contract to compensate for thermal expansion between the plate assembly and the casing. 6. The heat exchanger of claim 1, wherein the casing forms a connection with the first manifold and a connection with the second manifold, and wherein the connections each define a sealed gap allowing for thermal expansion of the casing. 7. The heat exchanger of claim 1, wherein the plate assembly comprises a plurality of cells, each cell comprising: a first plate;a second plate;a header fin positioned between the first and second plates;a first baffle extending in a first direction and positioned between the first plate and the second plate; anda second baffle extending in a second direction, transverse to the first direction, and connected to the first plate, on an opposite face of the first plate from the first baffle. 8. The heat exchanger of claim 7, wherein the plurality of cells comprises a first cell and a second cell, the second plate of the first cell being connected to the first plate of the second cell, wherein a first header section is defined between the second plate of the first cell and the first plate of the second cell, a second header section is defined between the second plate of the first cell and the first plate of the second cell, and wherein a heat-transfer fin array is connected to the second plate of the first cell and the first plate of the second cell between the first and second header sections. 9. The heat exchanger of claim 7, wherein each of the plurality of cells further comprises a first header section including the header fin defined between the first and second plates, a second header section including another header fin between the first and second plates, and a heat-transfer fin array positioned between the first and second plates and between the first and second header sections. 10. A heat exchanger, comprising: a casing having a first inlet, a first outlet, a second inlet, and a second outlet;a plate assembly positioned between the first inlet and the first outlet and between the second inlet and the second outlet and at least partially in the casing, wherein the plate assembly is configured to transfer heat between a first fluid and a second fluid and wherein the plate assembly comprises a plurality of cells, each cell comprising: a first plate;a second plate;a header fin positioned between the first and second plates;a first baffle extending in a first direction and positioned between the first plate and the second plate; anda second baffle extending in a second direction, transverse to the first direction, and connected to the first plate, on an opposite face of the first plate from the first baffle;a first plenum connecting a first side of the plate assembly and configured to direct the first fluid from the first inlet to the plate assembly;a second plenum connecting a second side of the plate assembly and configured to direct the first fluid from the plate assembly to the first outlet, wherein an exterior of the second plenum is in contact with the second fluid, and wherein the second plenum is configured to resiliently deflect in response to thermal expansion of the second plenum, the plate assembly, the casing, or a combination thereof;a first block positioned in the first baffle, proximate an end thereof; anda second block positioned in the second baffle, proximate an end thereof, such that the first block is positioned at least partially above the second block, wherein the first plenum is attached to the plate assembly along the first and second blocks. 11. A heat exchanger, comprising: a casing having a first inlet, a first outlet, a second inlet, and a second outlet;a plate assembly positioned between the first inlet and the first outlet and between the second inlet and the second outlet and at least partially in the casing, wherein the plate assembly is configured to transfer heat between a first fluid and a second fluid and wherein the plate assembly comprises a plurality of cells, each cell comprising: a first plate;a second plate;a header fin positioned between the first and second plates;a first baffle extending in a first direction and positioned between the first plate and the second plate; anda second baffle extending in a second direction, transverse to the first direction, and connected to the first plate, on an opposite face of the first plate from the first baffle;a first plenum connecting a first side of the plate assembly and configured to direct the first fluid from the first inlet to the plate assembly;a second plenum connecting a second side of the plate assembly and configured to direct the first fluid from the plate assembly to the first outlet, wherein an exterior of the second plenum is in contact with the second fluid, and wherein the second plenum is configured to resiliently deflect in response to thermal expansion of the second plenum, the plate assembly, the casing, or a combination thereof; anda connector baffle attached to the second plate, on an opposite face of the second plate from the first baffle, wherein the plenum comprises a top plate that is received into the connector baffle and connected thereto. 12. A heat exchanger, comprising: a casing having a first inlet, a first outlet, a second inlet, and a second outlet;a plate assembly positioned between the first inlet and the first outlet and between the second inlet and the second outlet and at least partially in the casing, wherein the plate assembly is configured to transfer heat between a first fluid and a second fluid and wherein the plate assembly comprises a plurality of cells, each cell comprising: a first plate;a second plate;a header fin positioned between the first and second plates;a first baffle extending in a first direction and positioned between the first plate and the second plate; anda second baffle extending in a second direction, transverse to the first direction, and connected to the first plate, on an opposite face of the first plate from the first baffle;a first plenum connecting a first side of the plate assembly and configured to direct the first fluid from the first inlet to the plate assembly;a second plenum connecting a second side of the plate assembly and configured to direct the first fluid from the plate assembly to the first outlet, wherein an exterior of the second plenum is in contact with the second fluid, and wherein the second plenum is configured to resiliently deflect in response to thermal expansion of the second plenum, the plate assembly, the casing, or a combination thereof; anda first set of cells including the first and second plates, and a second set of cells coupled to the first set of cells, the first set cells comprising a first connector baffle that is about half of a height of the first baffle, and the second set of cells comprising a second connector baffle that is about half of a height of the first baffle, the first and second sets of cells being connected together by adjoining the first and second connector baffles. 13. The heat exchanger of claim 1, wherein a hot flow of fluid flows through at least a portion of the plate assembly in a first direction, and a cold flow of fluid flows through at least the portion of the plate assembly in a second direction, the first and second directions being opposites. 14. A heat exchanger, comprising: a casing having a first inlet, a first outlet, a second inlet, and a second outlet;a plate assembly positioned within the casing, the plate assembly being configured to transfer heat from a hotter flow to a colder flow therein, wherein the plate assembly is configured to receive a first fluid in a first direction, and a second fluid in a second direction, the second direction being transverse to the first direction, and to turn the second fluid to a direction generally parallel to the first direction, wherein the plate assembly comprises a plurality of cells, each cell comprising: a first plate;a second plate;a header fin positioned between the first and second plates;a first baffle extending in the first direction and positioned between the first plate and the second plate; anda second baffle extending in the second direction, transverse to the first direction, and connected to the first plate, on an opposite face of the first plate from the first baffle;a first plenum coupled to the plate assembly and configured to receive fluid from the first inlet and provide the fluid to the plate assembly;a second plenum coupled to the plate assembly and configured to received fluid thereon from and provide the fluid to the first outlet, wherein the second plenum comprises a contoured shape that is configured to accommodate thermal expansion of the second plenum;a first block positioned in the first baffle, proximate an end thereof; anda second block positioned in the second baffle, proximate an end thereof, such that the first block is positioned at least partially above the second block, wherein the first plenum is attached to the plate assembly along the first and second blocks. 15. The heat exchanger of claim 14, wherein the plurality of cells comprises a first cell and a second cell, the second plate of the first cell being connected to the first plate of the second cell, wherein a first header section is defined between the second plate of the first cell and the first plate of the second cell, a second header section is defined between the second plate of the first cell and the first plate of the second cell, and wherein a heat-transfer fin array is connected to the second plate of the first cell and the first plate of the second cell between the first and second header sections. 16. The heat exchanger of claim 14, wherein each of the plurality of cells further comprises a first header section including the header fin defined between the first and second plates, a second header section including another header fin between the first and second plates, and a heat-transfer fin array positioned between the first and second plates and between the first and second header sections. 17. A heat exchanger, comprising: a casing having a first inlet, a first outlet, a second inlet, and a second outlet;a plate assembly positioned within the casing, the plate assembly being configured to transfer heat from a hotter flow to a colder flow therein, wherein the plate assembly is configured to receive a first fluid in a first direction, and a second fluid in a second direction, the second direction being transverse to the first direction, and to turn the second fluid to a direction generally parallel to the first direction, wherein the plate assembly comprises a plurality of cells, each cell comprising: a first plate;a second plate;a header fin positioned between the first and second plates;a first baffle extending in the first direction and positioned between the first plate and the second plate; anda second baffle extending in the second direction, transverse to the first direction, and connected to the first plate, on an opposite face of the first plate from the first baffle;a first plenum coupled to the plate assembly and configured to receive fluid from the first inlet and provide the fluid to the plate assembly;a second plenum coupled to the plate assembly and configured to received fluid thereon from and provide the fluid to the first outlet, wherein the second plenum comprises a contoured shape that is configured to accommodate thermal expansion of the second plenum; anda first set of cells including the first and second plates, and a second set of cells coupled to the first set of cells, the first set cells comprising a first connector baffle that is about half of a height of the first baffle, and the second set of cells comprising a second connector baffle that is about half of a height of the first baffle, the first and second sets of cells being connected together by adjoining the first and second connector baffles.
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이 특허에 인용된 특허 (4)
Dinulescu Horia A. (Minneapolis MN), Floating plate heat exchanger.
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