{
  "$type": "site.standard.document",
  "description": "An environmental control system, ECS, (20) for use with a gas turbine engine has an air cycle system, ACS, (22) and a vapor cycle system, VCS, (24). The VCS (24) has along a vapor compression flowpath (630): a VCS compressor (30); a heat donor leg (33) of a VCS condenser (32); an expansion device…",
  "path": "/patents/1397731",
  "publishedAt": "2025-09-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B64D13/06",
    "RTX CORP [US]"
  ],
  "textContent": "An environmental control system, ECS, (20) for use with a gas turbine engine has an air cycle system, ACS, (22) and a vapor cycle system, VCS, (24). The VCS (24) has along a vapor compression flowpath (630): a VCS compressor (30); a heat donor leg (33) of a VCS condenser (32); an expansion device (36); and a heat receiving leg (39) of a VCS evaporator (38). The ACS (22) has along a bleed flowpath (600): a bleed air inlet (100); a primary heat exchanger (102); an ACS compressor (106); a secondary heat exchanger (108); a turbine (112) coupled to the ACS compressor (106) to drive the ACS compressor (106); a heat donor leg (40) of the VCS evaporator (38); a water collector (118); and a heat receiving leg (121) of the VCS condenser (32).",
  "title": "AIRCRAFT HYBRID COOLING SYSTEM"
}