{
  "$type": "site.standard.document",
  "description": "A valve system (30) intermediate a secondary flow path and a primary flow path selectively communicates secondary airflow into the primary gas flow path and controls airflow injected from a higher pressure plenum into a lower pressure flowpath. The system includes a valve seat (34) and a valve…",
  "path": "/patents/1004875",
  "publishedAt": "2012-02-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02C9/18",
    "UNITED TECHNOLOGIES CORP [US]"
  ],
  "textContent": "A valve system (30) intermediate a secondary flow path and a primary flow path selectively communicates secondary airflow into the primary gas flow path and controls airflow injected from a higher pressure plenum into a lower pressure flowpath. The system includes a valve seat (34) and a valve member (32) rotatable relative to said valve seat (34) between an open position and a closed position, said valve member (32) defining a cylindrical surface (36) which defines said closed position and a sculpted surface (38).",
  "title": "Valve system for a gas turbine engine"
}