{
  "$type": "site.standard.document",
  "description": "The high-pressure fuel supply (5) is connected (3) to a valve body (31) of a control valve (30). A control piston (70) moves up and down in the valve body and may be controlled by a switching valve (40). It may control a connection (58) to a chamber (26) under a spring-loaded (18) piston (22). The…",
  "path": "/patents/1079952",
  "publishedAt": "2005-02-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M47/025",
    "BOSCH GMBH ROBERT [DE]"
  ],
  "textContent": "The high-pressure fuel supply (5) is connected (3) to a valve body (31) of a control valve (30). A control piston (70) moves up and down in the valve body and may be controlled by a switching valve (40). It may control a connection (58) to a chamber (26) under a spring-loaded (18) piston (22). The piston acts as a hydraulic amplifier (21) with a smaller diameter piston (23) pressurizing a second chamber (25) connected (51) to the nozzle pressure chamber (14).",
  "title": "Fuel injection system for combustion engine"
}