# US 10,371,462 B2 · Integrated multi-chamber heat exchanger > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,371,462 B2 - Document ID: US10371462B2 - Status: Granted - Kind: B2 - Application number: 14/860,563 - Filed: 2015-09-21 - Published: 2017-03-23 - Granted: 2019-08-06 - Earliest claimed: 2015-09-21 - Assignees: Lockheed Martin Corporation - Applicants: Lockheed Martin Corporation - Inventors: David L. Vos; Ryan M. Alderfer; Randall J. Stutzman - Web page: https://patentgrep.com/patent/US10371462B2 ## CPC - F28F 7/02: Blocks traversed by passages for heat-exchange media {(F28D7/0008 takes precedence)} - B23P 15/26: heat exchangers {or the like (making heat exchangers by methods covered by other subclasses B21D53/02)} - F28F 1/02: Tubular elements of cross-section which is non-circular (F28F1/08, F28F1/10 take precedence) - H10W 40/47: by flowing liquids, e.g. forced water cooling - B33Y 80/00: Products made by additive manufacturing - H10W 40/73: for cooling by change of state - F28F: DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16) - B23P: METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS (arrangements for copying or controlling B23Q) - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - B33Y: ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING ## Abstract A one-piece heat exchanger manufactured using an additive manufacturing process is described. The heat exchanger includes a plurality of channels formed therein. At least some of the plurality of channels may be configured to provide structural support to the heat exchanger to reduce its weight. Different coolant media may be used in a first set and a second set of the plurality of channels to provide different types of cooling in an integrated one-piece heat exchanger structure. ## Claims ### Claim 1 A heat exchanger, comprising: a one-piece body comprising a first inlet, a first outlet, a second inlet and a second outlet; a first set of channels formed in the one-piece body, wherein the first set of channels is connected to the first inlet and the first outlet and is configured to provide cooling using a first coolant medium that flows between the first inlet and the first outlet; and a second set of channels formed in the one-piece body, wherein the second set of channels is connected to the second inlet and the second outlet and is configured to provide cooling using a second coolant medium that flows between the second inlet and the second outlet, the second coolant medium having different thermal properties from the first coolant medium. ### Claim 2 (depends on 1) The heat exchanger of claim 1, wherein a number of channels in the first set of channels is greater than a number of channels in the second set of channels. ### Claim 3 (depends on 1) The heat exchanger of claim 1, wherein a combined volume of the channels in the first set of channels is greater than a combined volume of the channels in the second set of channels. ### Claim 4 (depends on 1) The heat exchanger of claim 1, wherein the first coolant medium is a fluid and the second coolant medium is a phase change material. ### Claim 5 (depends on 1) The heat exchanger of claim 1, wherein the first coolant medium is a first fluid and the second coolant medium is a second fluid. ### Claim 6 (depends on 1) The heat exchanger of claim 1, wherein a shape of at least some of the channels in the first set of channels is different than a shape of at least some of the channels in the second set of channels. ### Claim 7 (depends on 1) The heat exchanger of claim 1, wherein the one-piece body and the first set and second set of channels formed therein are created using an additive manufacturing process. ### Claim 8 (depends on 1) The heat exchanger of claim 1, wherein the one-piece body comprises at least one mounting structure configured to mount the heat exchanger to a component to be cooled by the heat exchanger. ### Claim 9 (depends on 1) The heat exchanger of claim 1, wherein the first coolant medium has first thermal properties configured to provide a first cooling mode and the second coolant medium has second thermal properties configured to provide a second cooling mode different from the first cooling mode. ### Claim 10 (depends on 1) The heat exchanger of claim 1, wherein the one-piece body comprises a metal alloy capable of being manufactured using an additive manufacturing process. ### Claim 11 (depends on 1) The heat exchanger of claim 1, wherein the first set of channels comprises a plurality of diamond-shaped channels. ### Claim 12 (depends on 9) The heat exchanger of claim 9, wherein the first thermal properties of the first coolant medium and the second thermal properties of the second coolant medium comprise respective phase change temperatures. ### Claim 13 (depends on 12) The heat exchanger of claim 12, wherein the second thermal properties of the second coolant medium cause the second coolant medium to change phase in order to provide the second cooling mode. ### Claim 14 (depends on 1) The heat exchanger of claim 1, wherein the second coolant medium is configured to evaporate while flowing between the second inlet and the second outlet.