{
  "$type": "site.standard.document",
  "description": "A leakage diagnosis supplement method for a failure of a vacuum pump using an active purge pump may include: determining whether or not the vacuum pump mounted on a vent line between a canister and an atmosphere fails; reverse-rotating the active purge pump mounted on a purge line connecting the…",
  "path": "/patents/1267310",
  "publishedAt": "2020-07-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M25/0818",
    "HYUNDAI MOTOR COMPANY"
  ],
  "textContent": "A leakage diagnosis supplement method for a failure of a vacuum pump using an active purge pump may include: determining whether or not the vacuum pump mounted on a vent line between a canister and an atmosphere fails; reverse-rotating the active purge pump mounted on a purge line connecting the canister and an intake pipe to each other; determining whether or not an absolute value of internal pressure in a fuel tank is less than a specific value; and checking a leakage in the fuel system including the canister and the fuel tank.",
  "title": "LEAKAGE DIAGNOSIS SUPPLEMENT METHOD FOR FAILURE OF VACUUM PUMP USING ACTIVE PURGE PUMP AND LEAKAGE DIAGNOSIS SUPPLEMENT SYSTEM FOR FAILURE OF VACUUM PUMP USING ACTIVE PURGE PUMP"
}