# US 2017/0254602 A1 · Device and method for minimizing the effect of ambient conditions on the operation of a heat exchanger > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0254602 A1 - Document ID: US20170254602A1 - Status: Published application - Kind: A1 - Application number: 15/474,404 - Filed: 2017-03-30 - Published: 2017-09-07 - Earliest claimed: 2012-07-02 - Assignees: Ormat Technologies, Inc. - Applicants: Ormat Technologies, Inc. - Inventors: Lucien Y. BRONICKI; Uriyel FISHER - Web page: https://patentgrep.com/patent/US20170254602A1 ## CPC - F28F 13/06: by affecting the pattern of flow of the heat-exchange media {(F28F13/003 takes precedence; static flow control means in header boxes F28F9/026)} - F24F 1/48: characterised by air airflow, e.g. inlet or outlet airflow - F28B 1/06: using air or other gas as the cooling medium - F28F 27/00: Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus (control arrangements in general G05) - F24F 2130/00: Control inputs relating to environmental factors not covered by group F24F2110/00 - F24F 2130/10: Weather information or forecasts - F28F 2250/00: Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns - F28F 2265/02: in the form of screens or covers - F28F: DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16) - 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) - F28B: STEAM OR VAPOUR CONDENSERS (condensation of vapours B01D5/00; steam engine plants having condensers F01K; liquefaction of gases F25J; details of heat-exchange and heat-transfer arrangements of general application F28F) ## Abstract A heat exchanger system for cooling liquid having a plurality of finned tube arrays and a plurality of fans for inducing air through the finned tube array comprising: at least one wind deflector installed along the long side of the finned tube arrays on at least one side of the arrays. The present invention for includes a method for minimizing the undesired effect of wind on the operation of a heat exchanger system for cooling liquid having a plurality of finned tube arrays and a plurality of fans for inducing air through the finned tube array, the method comprising the steps of: setting the angle of deflection of the wind deflectors other than the angle of deflection of the uppermost position of the wind deflectors; collecting readings of outlet temperature sensor of the heat exchanger, ambient temperature, wind sensor and inlet air pressure sensor of the heat exchanger; recording readings of outlet temperature sensor of the heat exchanger, ambient temperature, wind sensor and inlet air pressure sensor of the heat exchanger; comparing readings of outlet temperature sensor of the heat exchanger, ambient temperature, wind sensor and inlet air pressure sensor of the heat exchanger to previous readings; and carrying out a correction command if the readings have changed. ## Claims ### Claim 1 A heat exchanger system for cooling liquid having a plurality of finned tube arrays and a plurality of fans for inducing air through the finned tube array comprising: at least one wind deflector installed along the long side of the finned tube arrays on at least one side of the arrays. ### Claim 2 (depends on 1) A heat exchanger system according to claim 1 further including a further wind deflector installed on the other long side of the finned tube arrays. ### Claim 3 (depends on 1) A heat exchanger system according to claim 1 wherein said wind deflector is pivotally installed on said plurality of finned tube arrays. ### Claim 4 (depends on 3) A heat exchanger system according to claim 3 further comprising actuators for controlling the deflection angle of said wind deflector. ### Claim 5 (depends on 4) A heat exchanger system according to claim 4 wherein said actuator comprises an electrical motor for changing the deflection angle of said wind deflector. ### Claim 6 (depends on 1) A heat exchanger according to claim 1 wherein said wind deflector comprises louvers installed below said fans such that the louvers induce the air to flow in the direction of the axis of the fan. ### Claim 7 (depends on 6) A heat exchanger according to claim 6 wherein further louvers are installed below fans in the middle section of said finned tube arrays and also below fans near the other long side of the finned tube arrays. ### Claim 8 (depends on 1) A heat exchanger system according to claim 1 further comprising a temperature sensor located at the outlet of said fans for sensing the temperature of the air at the outlet of said fans. ### Claim 9 A method for minimizing the undesired effect of wind on the operation of a heat exchanger system for cooling liquid having a plurality of finned tube arrays and a plurality of fans for inducing air through the finned tube array, said method comprising the steps of: a. Setting the angle of deflection of the wind deflectors other than the angle of deflection of the uppermost position of said wind deflectors; b. Collecting readings of outlet temperature sensor of said heat exchanger, ambient temperature, wind sensor and inlet air pressure sensor of said heat exchanger; c. recording readings of outlet temperature sensor of said heat exchanger, ambient temperature, wind sensor and inlet air pressure sensor of said heat exchanger; d. comparing readings of outlet temperature sensor of said heat exchanger, ambient temperature, wind sensor and inlet air pressure sensor of said heat exchanger to previous readings; and e. Carrying out a correction command if the said readings have changed. ### Claim 10 (depends on 7) A method according to claim 7 wherein said setting and correcting command set an angle of deflection of the wind deflectors measured between the wind deflector and the support legs of the heat exchanger. ### Claim 11 (depends on 7) A method according to claim 7 wherein said setting and correcting command set an angle of deflection of the wind deflectors measured between the wind deflector and the support legs of the heat exchanger using a wind deflector pivotally installed along the long side of said heat exchanger.