Patent ID: 11873758
Assignee: PRATT & WHITNEY CANADA CORP.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 13:
14. The apparatus of claim 1, wherein the passage is a first passage, the tortuous
trajectory is a first tortuous trajectory, and the heat exchanger further comprises a second passage and a third passage which is fluidly coupled with the first passage and the second passage in parallel;
the first passage is fluidly coupled between the first inlet into the heat exchanger and the third passage; the second passage is fluidly coupled between the second inlet into the heat exchanger and the third passage, and the second passage follows a second tortuous trajectory along the first wall of the vane array; and the third passage follows a third tortuous trajectory along a second wall of the vane array.