{
  "$type": "site.standard.document",
  "description": "The unit has a pump (1) driven by an electric motor (2) supplied through a cable (5). The pump cut-off responds to signals on the supply line. A pulse train generator (37) couples pulses onto the supply line through a transformer (6,7) to supply the effluent level detector (21) through a second…",
  "path": "/patents/1091247",
  "publishedAt": "2003-12-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F04D15/0218",
    "KSB SAS [FR]"
  ],
  "textContent": "The unit has a pump (1) driven by an electric motor (2) supplied through a cable (5). The pump cut-off responds to signals on the supply line. A pulse train generator (37) couples pulses onto the supply line through a transformer (6,7) to supply the effluent level detector (21) through a second transformer (8,9). The level signal is returned when linked multiplexors (16,39) pause the pulse supply.",
  "title": "Motor pump unit with sensor power supply using the mains connection"
}