{
  "$type": "site.standard.document",
  "description": "A heat exchanger system (44) for a gas turbine engine (20) is disclosed. The heat exchanger system (44) includes a first structure (27) at least partially defining a first plenum (29) configured to receive a first air stream (30), a second structure (33) at least partially defining a second plenum…",
  "path": "/patents/1424412",
  "publishedAt": "2025-06-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01D25/12",
    "RTX CORP [US]"
  ],
  "textContent": "A heat exchanger system (44) for a gas turbine engine (20) is disclosed. The heat exchanger system (44) includes a first structure (27) at least partially defining a first plenum (29) configured to receive a first air stream (30), a second structure (33) at least partially defining a second plenum (35) configured to receive a second air stream (36) having lower pressure than the first air stream (30), a third structure (37) at least partially defining a third plenum (39) configured to receive a third air stream (40) having lower pressure than the second air stream (36), and a heat exchanger (46) configured for operative communication with the first air stream (30), the second air stream (36), and the third air stream (40) while disposed between the second air stream (36) and the third air stream (40). The heat exchanger (46) is configured to transfer heat from the first air stream (30) to the third air stream (40). The heat exchanger (46) includes a flow metering device (80) configured to control flow through the heat exchanger (46).",
  "title": "CROSS-STREAM HEAT EXCHANGER"
}