A fluid cooled system includes a first heat generating component. A first airflow pathway directs a first flow of air across a first heat exchanger. A second airflow pathway directs a second flow of air across a second heat exchanger. A first working fluid is flowed from the first heat generating co
A fluid cooled system includes a first heat generating component. A first airflow pathway directs a first flow of air across a first heat exchanger. A second airflow pathway directs a second flow of air across a second heat exchanger. A first working fluid is flowed from the first heat generating component, through the first heat exchanger and through the second heat exchanger and returned to the first heat generating component.
대표청구항▼
1. A fluid cooled system comprising: a first heat generating component;a first heat exchanger disposed at a first airflow pathway, the first airflow pathway comprising a first duct having a first duct outlet and configured to direct a first flow of air across the first heat exchanger;a second heat e
1. A fluid cooled system comprising: a first heat generating component;a first heat exchanger disposed at a first airflow pathway, the first airflow pathway comprising a first duct having a first duct outlet and configured to direct a first flow of air across the first heat exchanger;a second heat exchanger disposed at a second airflow pathway, the second airflow pathway comprising a second duct having a second duct outlet and configured to direct a second flow of air across the second heat exchanger, a first working fluid flowed sequentially from the first heat generating component, through the first heat exchanger and through the second heat exchanger and returned to the first heat generating component;a second heat generating component;a third heat exchanger disposed at the first airflow pathway, the first airflow pathway configured to direct the first flow of air across the third heat exchanger, wherein the first heat exchanger and the third heat exchanger are each disposed upstream of the first duct outlet; anda fourth heat exchanger disposed at the second airflow pathway, the second airflow pathway configured to direct the second flow of air across the fourth heat exchanger, a second working fluid flowed sequentially from the second heat generating component, through the third heat exchanger and through the fourth heat exchanger and returned to the second heat generating component, wherein the second heat exchanger and the fourth heat exchanger are each disposed upstream of the second duct outlet. 2. The system of claim 1, wherein the first working fluid and the second working fluid are one of coolant or lubricant. 3. The system of claim 1, further comprising a first pump to urge the first working fluid through the first heat exchanger. 4. The system of claim 1, further comprising a fan to urge the first flow of air through the first airflow pathway. 5. The system of claim 4, wherein the fan is driven by the first heat generating component. 6. A rotorcraft comprising: an airfame;a rotor assembly operably connected to the airframe; anda fluid cooled engine system operably connected to the rotor assembly comprising:a first engine;a first heat exchanger disposed at a first airflow pathway, the first airflow pathway comprising a first duct having a first duct outlet and configured to direct a first flow of air across the first heat exchanger;a second heat exchanger disposed at a second airflow pathway, the second airflow pathway comprising a second duct having a second duct outlet and configured to direct a second flow of air across the second heat exchanger,a first working fluid flowed sequentially from the first engine, through the first heat exchanger and through the second heat exchanger and returned to the first engine;a second engine;a third heat exchanger disposed at the first airflow pathway, the first airflow pathway configured to direct the first flow of air across the third heat exchanger, wherein the first heat exchanger and the third heat exchanger are each disposed upstream of the first duct outlet; anda fourth heat exchanger disposed at the second airflow pathway, the second airflow pathway configured to direct the second flow of air across the fourth heat exchanger, a second working fluid flowed sequentially from the second engine, through the third heat exchanger and through the fourth heat exchanger and returned to the second engine, wherein the second heat exchanger and the fourth heat exchanger are each upstream of the second duct outlet. 7. The rotorcraft of claim 6, wherein the first working fluid and the second working fluid are one of coolant or lubricant. 8. The rotorcraft of claim 6, further comprising a first pump to urge the first working fluid through the first heat exchanger. 9. The rotorcraft of claim 6, further comprising a fan to urge the first flow of air through the first airflow pathway. 10. The rotorcraft of claim 9, wherein the fan is driven by the first engine. 11. A method of operating a fluid cooled engine system comprising: urging a first working fluid from a first engine;urging the first working fluid through a first heat exchanger;urging a first airflow across the first heat exchanger via a first airflow pathway thereby transferring thermal energy between the first working fluid and the first airflow, the first airflow pathway comprising a first duct having a first duct outlet;conveying the first working fluid from the first heat exchanger across a second heat exchanger;urging a second airflow across the second heat exchanger via a second airflow pathway thereby transferring thermal energy between the first working fluid and the second airflow, the second airflow pathway comprising a second duct having a second duct outlet;returning the first working fluid to the first engine;urging a second working fluid from a second engine;urging the second working fluid through a third heat exchanger, the first heat exchanger and the third heat exchanger disposed upstream of the first duct outlet of the first airflow pathway;urging the first airflow across the third heat exchanger via the first airflow pathway thereby transferring thermal energy between the second working fluid and the first airflow;conveying the second working fluid from the third heat exchanger across a fourth heat exchanger, the second heat exchanger and the fourth heat exchanger disposed upstream of the second duct outlet of the second airflow pathway;urging the second airflow across the fourth heat exchanger via the second airflow pathway thereby transferring thermal energy between the second working fluid and the second airflow; andreturning the second working fluid to the second engine. 12. The method of claim 11, wherein the first working fluid and the second working fluid are one of coolant or lubricant. 13. The method of claim 11, further comprising: sensing a failure in the second heat exchanger of the second airflow pathway;diverting the first working fluid through the first heat exchanger a second time to transfer additional thermal energy from the first working fluid; andreturning the first working fluid to the first engine. 14. The method of claim 11, further comprising: sensing a loss of sufficient airflow through the second airflow pathway to the second heat exchanger;diverting the first working fluid through the first heat exchanger a second time to transfer additional thermal energy from the first working fluid; andreturning the first working fluid to the first engine. 15. The method of claim 11, further comprising urging the first airflow through the first airflow pathway via a fan. 16. The method of claim 15, further comprising driving the fan with the first engine.
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