{
  "$type": "site.standard.document",
  "description": "A valve seat member (S, 8a, 200a) shared by an outlet valve (8) and a pressure relief valve (200) is provided between a pressurizing chamber (11) and a high pressure path (12); a valve seat (200s) of the pressure relief valve is provided on the side of the pressurizing chamber of the valve seat…",
  "path": "/patents/998331",
  "publishedAt": "2012-09-12T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M55/04",
    "HITACHI AUTOMOTIVE SYSTEMS LTD [JP]"
  ],
  "textContent": "A valve seat member (S, 8a, 200a) shared by an outlet valve (8) and a pressure relief valve (200) is provided between a pressurizing chamber (11) and a high pressure path (12); a valve seat (200s) of the pressure relief valve is provided on the side of the pressurizing chamber of the valve seat member; a valve seat (8s) of the outlet valve is provided in the valve seat member on the side of the high pressure path; one end of a relief path (200g, 200gS, 200gR) whose other end is open in the valve seat of the pressure relief valve is connected with the high pressure path; one end of an outlet path (8e) whose other end is open in the valve seat of the outlet valve is connected with the pressurizing chamber; the pressure relief valve structure (200) is provided on the side of the pressurizing chamber of the valve seat of the pressure relief valve; and the outlet valve structure (8) is installed on the downstream side of the valve seat of the outlet valve. With the above construction, the valve seats of the pressure relief valve and the outlet valve can be configured by a single valve seat member, improving the processibility and easiness in assembly of the outlet valve and the pressure relief valve.",
  "title": "High-pressure fuel supply pump"
}