A ram outlet header includes a ram outlet header body. A ram air fan mounting neck and a ram air fan mounting flange are configured to couple the ram outlet header to a ram air fan housing. A heat exchanger mounting flange is configured to couple the ram outlet header to a heat exchanger assembly. A
A ram outlet header includes a ram outlet header body. A ram air fan mounting neck and a ram air fan mounting flange are configured to couple the ram outlet header to a ram air fan housing. A heat exchanger mounting flange is configured to couple the ram outlet header to a heat exchanger assembly. A lower face includes a first stiffener. A mid-section includes a second stiffener, a third stiffener, and a fourth stiffener. The ram air fan mounting flange is positioned between the lower face and the mid-section. A ratio of thickness of the second stiffener to the third stiffener is between 1.04 and 1.16, and a ratio of thickness of the fourth stiffener to the third stiffener is between 1.04 and 1.16.
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1. A ram outlet header comprising: a ram outlet header body;a ram air fan mounting neck and a ram air fan mounting flange configured to couple the ram outlet header to a ram air fan housing;a heat exchanger mounting flange configured to couple the ram outlet header to a heat exchanger assembly;a low
1. A ram outlet header comprising: a ram outlet header body;a ram air fan mounting neck and a ram air fan mounting flange configured to couple the ram outlet header to a ram air fan housing;a heat exchanger mounting flange configured to couple the ram outlet header to a heat exchanger assembly;a lower face comprising a first stiffener; anda mid-section comprising a second stiffener, a third stiffener, and a fourth stiffener, wherein the ram air fan mounting flange is positioned between the lower face and the mid-section, and a ratio of thickness of the second stiffener to the third stiffener is between 1.04 and 1.16, and a ratio of thickness of the fourth stiffener to the third stiffener is between 1.04 and 1.16. 2. The ram outlet header of claim 1, wherein a ratio of thickness of the mid-section to the lower face is between 1.18 and 1.33, and a ratio of thickness of the third stiffener to the first stiffener is between 1.18 and 1.33. 3. The ram outlet header of claim 1, wherein the ram air fan mounting neck is on a front face of the ram outlet header; a ratio of thickness of the mid-section to the front face is between 2.29 and 2.74; and a ratio of thickness of the ram outlet header body to the front face is between 1.35 and 1.67. 4. The ram outlet header of claim 1, further comprising: a first side face comprising a fifth stiffener including a first pair of taper regions; anda second side face positioned on an opposing side of the ram outlet header relative to the first side face, the second side face comprising a sixth stiffener including a second pair of taper regions, wherein a ratio of thickness of the second side face to the first side face is between 1.20 and 1.38; a ratio of thickness of the second side face to the ram outlet header body is between 1.4 and 1.61; a ratio of thickness of the fifth stiffener to the sixth stiffener is between 1.05 and 1.18; a ratio of thickness of the fifth stiffener to the first side face is between 1.34 and 1.52; and a ratio of thickness of the second pair of taper regions to the sixth stiffener is between 1.05 and 1.18. 5. The ram outlet header of claim 4, wherein a ratio of thickness of the first pair of taper regions to the fifth stiffener is between 1.04 and 1.16, and a ratio of thickness of the first pair of taper regions to the second pair of taper regions is between 1.04 and 1.16. 6. The ram outlet header of claim 4, wherein the first, second, third, and fourth stiffeners each include a pair of taper regions; and the first, second, third, fourth, fifth, and sixth stiffeners are substantially rectangular in shape. 7. The ram outlet header of claim 1, wherein a ratio of thickness of the heat exchanger mounting flange to the ram outlet header body is between 1.88 and 2.14, and a ratio of thickness of the lower face and the ram outlet header body is between 1.24 and 1.44. 8. The ram outlet header of claim 1, further comprising: a cooling return joined to the ram outlet header body and a ram outlet header back face by a primary retention feature and a secondary retention feature, wherein a ratio of thickness of the cooling return to the ram outlet header body is between 1.08 and 1.27, and a ratio of thickness of the ram outlet header back face to the ram outlet header body is between 1.08 and 1.27; anda mounting bracket comprising a plurality of legs, wherein at least one leg of the mounting bracket is joined to the cooling return, and a ratio of thickness of the ram outlet header body to the mounting bracket is between 1.35 and 1.67. 9. The ram outlet header of claim 8, wherein the ram outlet header is substantially formed of a composite material and further comprising: a water collector overflow drain boss joined to the ram outlet header body by the primary retention feature and the secondary retention feature; anda mounting collar joined to the ram air fan mounting neck by the primary retention feature and the secondary retention feature, wherein the primary retention feature is an adhesive and the secondary retention feature is one or more of: bolts and rivets. 10. The ram outlet header of claim 1, further comprising a pair of mounting support regions to support coupling of the ram air fan housing to the ram outlet header, wherein a ratio of thickness of the pair of mounting support regions to the lower face is between 1.42 and 1.59. 11. A method of installing a ram outlet header in a ram air cooling system comprising: coupling a ram air fan housing to a ram air fan mounting neck and a ram air fan mounting flange of a ram outlet header, the ram outlet header further comprising: a ram outlet header body;a heat exchanger mounting flange;a lower face comprising a first stiffener; anda mid-section comprising a second stiffener, a third stiffener, and a fourth stiffener, wherein the ram air fan mounting flange is positioned between the lower face and the mid-section, and a ratio of thickness of the second stiffener to the third stiffener is between 1.04 and 1.16, and a ratio of thickness of the fourth stiffener to the third stiffener is between 1.04 and 1.16; andcoupling the heat exchanger mounting flange to a heat exchanger assembly. 12. The method of claim 11, wherein a ratio of thickness of the mid-section to the lower face is between 1.18 and 1.33, and a ratio of thickness of the third stiffener to the first stiffener is between 1.18 and 1.33. 13. The method of claim 11, wherein the ram outlet header further comprises: a first side face comprising a fifth stiffener including a first pair of taper regions; anda second side face positioned on an opposing side of the ram outlet header relative to the first side face, the second side face comprising a sixth stiffener including a second pair of taper regions, wherein a ratio of thickness of the second side face to the first side face is between 1.20 and 1.38; a ratio of thickness of the second side face to the ram outlet header body is between 1.4 and 1.61; a ratio of thickness of the fifth stiffener to the sixth stiffener is between 1.05 and 1.18; a ratio of thickness of the fifth stiffener to the first side face is between 1.34 and 1.52; and a ratio of thickness of the second pair of taper regions to the sixth stiffener is between 1.05 and 1.18. 14. The method of claim 13, wherein a ratio of thickness of the first pair of taper regions to the fifth stiffener is between 1.04 and 1.16; a ratio of thickness of the first pair of taper regions to the second pair of taper regions is between 1.04 and 1.16; the first, second, third, and fourth stiffeners each include a pair of taper regions; and the first, second, third, fourth, fifth, and sixth stiffeners are substantially rectangular in shape. 15. The method of claim 11, further comprising: mounting a pack control unit to a mounting bracket of the ram outlet header, wherein a ratio of thickness of the ram outlet header body to the mounting bracket is between 1.35 and 1.67. 16. The method of claim 15, further comprising: coupling a cabin air compressor bearing cooling return of the ram outlet header to a cabin air compressor, wherein the mounting bracket is comprised of a plurality of legs and at least one leg of the mounting bracket is joined to the cabin air compressor bearing cooling return. 17. The method of claim 16, wherein at least one of the legs of the mounting bracket is joined to the ram outlet header body by a primary retention feature and a secondary retention feature, and the cabin air compressor bearing cooling return is joined to the ram outlet header body and a ram outlet header back face by the primary retention feature and the secondary retention feature, wherein the primary retention feature is an adhesive and the secondary retention feature is one or more of: bolts and rivets. 18. The method of claim 17, wherein a ratio of thickness of the cabin air compressor bearing cooling return to the ram outlet header body is between 1.08 and 1.27, and a ratio of thickness of the ram outlet header back face to the ram outlet header body is between 1.08 and 1.27. 19. The method of claim 11, further comprising: coupling a water collector overflow drain to a water collector overflow drain boss of the ram outlet header, wherein the water collector overflow drain boss is joined to the ram outlet header body of the ram outlet header by a primary retention feature and a secondary retention feature; andfitting a clamp over a mounting collar to retain the ram air fan housing relative to the ram air fan mounting neck, wherein the mounting collar is joined to the ram air fan mounting neck by the primary retention feature and the secondary retention feature. 20. The method of claim 11, wherein the ram outlet header is substantially formed of a composite material, and the ram outlet header further comprises a pair of mounting support regions to support coupling of the ram air fan housing to the ram outlet header, wherein a ratio of thickness of the pair of mounting support regions to the lower face is between 1.42 and 1.59; a ratio of thickness of the heat exchanger mounting flange to the ram outlet header body is between 1.88 and 2.14; and a ratio of thickness of the lower face and the ram outlet header body is between 1.24 and 1.44; and further wherein the ram air fan mounting neck is on a front face of the ram outlet header; a ratio of thickness of the mid-section to the front face is between 2.29 and 2.74; and a ratio of thickness of the ram outlet header body to the front face is between 1.35 and 1.67.
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이 특허에 인용된 특허 (6)
Berg William F. (Houston TX), Air cooled condenser.
Asfia, Julie F.; Williams, Kenneth R.; Atkey, Warren A.; Fiterman, Charles J.; Loukusa, Steven M.; Ng, Casey Y., Electric air conditioning system for an aircraft.
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