{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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    "mimeType": "image/png",
    "size": 97238
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  "description": "The device has a coolant circuit with a compressor (1), a first heat exchanger (2) as a liquefier, an expansion valve (6) and a second heat exchanger (5). A third heat exchanger (4) between the first and second heat exchangers near the expansion valve operates alternately as a liquefier and as an…",
  "path": "/patents/1092869",
  "publishedAt": "2003-10-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60H1/32284",
    "GEA HAPPEL KLIMATECHNIK PRODUK [DE]"
  ],
  "textContent": "The device has a coolant circuit with a compressor (1), a first heat exchanger (2) as a liquefier, an expansion valve (6) and a second heat exchanger (5). A third heat exchanger (4) between the first and second heat exchangers near the expansion valve operates alternately as a liquefier and as an evaporator. The expansion valve is downstream or upstream of the third heat exchanger when operating as a liquefier and as an evaporator respectively.",
  "title": "Heat pump for simultaneously cooling and heating"
}