# US 10,480,820 B2 · Heat exchanger unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,480,820 B2 - Document ID: US10480820B2 - Status: Granted - Kind: B2 - Application number: 15/477,097 - Filed: 2017-04-02 - Published: 2017-10-12 - Granted: 2019-11-19 - Earliest claimed: 2016-04-10 - Assignees: Forum US, Inc. - Applicants: Global Heat Transfer Ulc - Inventors: Derek Hjorth; John Gaska; Randy Vanberg; Kevin Visscher; Iqbal Lotey; Bob Peng - Web page: https://patentgrep.com/patent/US10480820B2 ## CPC - F24H 3/06: the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators - F24F 1/0063: by the mounting or arrangement of the heat exchangers - E21B 43/2607: {Surface equipment specially adapted for fracturing operations} - E21B 43/267: reinforcing fractures by propping - F24H: FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL (steam generation F22) - F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02) - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS ## Abstract Embodiments of the disclosure pertain to a heat exchanger unit that includes a frame and a plurality of coolers coupled therewith. The heat exchanger unit has a reference axis, namely a vertical axis. The frame has a top region, a bottom region, and a plurality of side regions. Each of the plurality of coolers may be coupled with the frame proximate to a respective side region of the plurality of side regions. The heat exchanger unit includes an airflow region therein. The heat exchanger unit includes a first set of baffles, each baffle of the first set of baffles is configured at an angle to the vertical axis. ## Claims ### Claim 1 A heat exchanger unit, comprising: a vertical axis; a frame comprising a top region, a bottom region, and a plurality of side regions; a plurality of coolers, each of the plurality of coolers coupled with the frame proximate to a respective side region of the plurality of side regions, and each of the plurality of coolers having an outer surface and an inner surface; an airflow region within the heat exchanger unit; and a first set of baffles, each baffle of the first set of baffles mounted at a first angle relative to the vertical axis; wherein the first angle is between a horizontal axis and the vertical axis. ### Claim 2 (depends on 1) The heat exchanger unit of claim 1, further comprising: a second set of baffles, each baffle of the second set of baffles mounted at a second angle relative to the vertical axis; and a third set of baffles, each baffle of the third set of baffles mounted at a third angle relative to the vertical axis. ### Claim 3 (depends on 2) The heat exchanger unit of claim 2, wherein the first set of baffles, the second set of baffles, and the third set of baffles each comprise four baffles, and wherein each baffle of the first set of baffles, the second set of baffles, and the third set of baffles comprises a sound absorbing material. ### Claim 4 (depends on 3) The heat exchanger unit of claim 3, the heat exchanger unit further comprising a fan configured to operate and produce a point source dominant acoustic frequency, and wherein the sound absorbing material reduces the point source dominant acoustic frequency by at least 10 dB. ### Claim 5 (depends on 3) The heat exchanger unit of claim 3, wherein each baffle of the first set of baffles are generally isosceles trapezoidal in shape, wherein the sound absorbing material comprises mineral wool, and wherein each of the first angle, second angle, and third angle is in a range of about 30 to about 60 degrees. ### Claim 6 (depends on 4) The heat exchanger unit of claim 4, further comprising: a fan mount bar; a shroud coupled to a top surface; an aeroring; and a fan mounted to the fan mount bar, the fan further comprising a motor and a plurality of fan blades in a range of about 8 to about 12, and an exhaust outlet. ### Claim 7 (depends on 6) The heat exchanger unit of claim 6, wherein at least one of the first set of baffles, the second set of baffles, or the third set of baffles is positioned a quarter wavelength below the fan, and wherein the quarter wavelength is calculated based on a dominant acoustic frequency generated by the fan. ### Claim 8 (depends on 7) The heat exchanger unit of claim 7, wherein each of the plurality of coolers are configured to permit airflow to pass therethrough, and wherein operation of the fan results in airflow through each of the plurality of coolers, into the airflow region, and out of the exhaust outlet. ### Claim 9 (depends on 2) The heat exchanger unit of claim 2, wherein the first angle, the second angle, and the third angle are substantially the same. ### Claim 10 (depends on 1) The heat exchanger unit of claim 1, wherein the frame further comprises a plurality of horizontal members and a plurality of vertical members configured together in a manner that results in a cube-shaped frame, and at least one baffle of the first set of baffles is mounted to at least one of the plurality of vertical members with a baffle mount coupler oriented at an angle relative to the vertical axis. ### Claim 11 A heat exchanger unit, comprising: a vertical axis; a frame comprising a top region, a bottom region, and a plurality of side regions; a plurality of coolers, each of the plurality of coolers coupled with the frame proximate to a respective side region of the plurality of side regions, and each of the plurality of coolers having an outer surface and an inner surface; an airflow region within the heat exchanger unit; and a first set of baffles, each baffle of the first set of baffles mounted at a first angle relative to the vertical axis, and each baffle of the first set of baffles comprising mineral wool; wherein the first angle is between a horizontal axis and the vertical axis. ### Claim 12 (depends on 11) The heat exchanger unit of claim 11, further comprising: a second set of baffles, each baffle of the second set of baffles mounted at a second angle relative to the vertical axis; and a third set of baffles, each baffle of the third set of baffles mounted at a third angle relative to the vertical axis wherein each of the first angle, the second angle, and the third angle are in a range of about 30 to about 60 degrees. ### Claim 13 (depends on 12) The heat exchanger unit of claim 12, wherein the first set of baffles, the second set of baffles, and the third set of baffles each comprise four baffles, and wherein the heat exchanger unit further comprises: a tubular fan mount bar; a shroud coupled to a top surface; an aeroring; and a fan mount coupled to the tubular fan mount bar; and a fan coupled to the fan mount, the fan further comprising a hydraulic motor. ### Claim 14 (depends on 13) The heat exchanger unit of claim 13, wherein the hydraulic motor is powered by a pressurized hydraulic fluid pressurized to a range of about 2000 to about 6000 psi, and where hydraulic fluid passed through the hydraulic motor is cooled via one of the plurality of coolers. ### Claim 15 (depends on 13) The heat exchanger unit of claim 13, wherein at least one of the first set of baffles, second set of baffles, or third set of baffles is positioned a quarter wavelength below the fan, the quarter wavelength being calculated based on a dominant acoustic frequency generated by the fan. ### Claim 16 (depends on 13) The heat exchanger unit of claim 13, wherein the fan has an axis of rotation substantially parallel to the vertical axis, wherein operation of the fan results in airflow through each of the plurality of coolers, into the airflow region, and out of the top region, and wherein the first angle, the second angle, and the third angle are substantially the same. ### Claim 17 (depends on 11) The heat exchanger unit of claim 11, wherein the frame further comprises a plurality of horizontal members and a plurality of vertical members configured together in a manner that results in a cube-shaped frame, and at least one baffle of the first set of baffles is mounted to at least one of the plurality of vertical members with a baffle mount coupler oriented at an angle relative to the vertical axis. ### Claim 18 A heat exchanger unit, comprising: a frame comprising a top region, a bottom region, and a plurality of side regions; a plurality of coolers, each of the plurality of coolers coupled with the frame proximate to a respective side region, and each of the plurality of coolers comprising a core welded with a tank; a first set of baffles, each baffle of the first set of baffles configured mounted at a first angle relative to a vertical axis; wherein the first angle is between a horizontal axis and the vertical axis; and wherein each core further comprises a core end having a core end mass, wherein each tank further comprises a tank end having a tank end mass, and wherein each core end mass is greater than each respective tank end mass. ### Claim 19 (depends on 18) The heat exchanger unit of claim 18, further comprising: a second set of baffles, each baffle of the second set of baffles mounted at a second angle relative to the vertical axis, wherein at least one baffle of the first set of baffles or the second set of baffles comprises a sound absorbing material. ### Claim 20 (depends on 19) The heat exchanger unit of claim 19, wherein the first angle and the second angle are in a range of about 30 degrees to about 60 degrees, and wherein the sound absorbing material is mineral wool. ### Claim 21 (depends on 18) The heat exchanger unit of claim 18, wherein the frame further comprises a plurality of horizontal members and a plurality of vertical members configured together in a manner that results in a cube-shaped frame, and at least one baffle of the first set of baffles is mounted to at least one of the plurality of vertical members with a baffle mount coupler oriented at an angle relative to the vertical axis. ### Claim 22 (depends on 21) The heat exchanger unit of claim 21, wherein at least one baffle of the first set of baffles is mounted to at least two of the plurality of vertical members. ### Claim 23 (depends on 10) The heat exchanger unit of claim 10, wherein at least one baffle of the first set of baffles is mounted to at least two of the plurality of vertical members. ### Claim 24 (depends on 17) The heat exchanger unit of claim 17, wherein at least one baffle of the first set of baffles is mounted to at least two of the plurality of vertical members.