{
  "$type": "site.standard.document",
  "description": "An electromagnetic valve has a cylindrical-shaped valve housing (22), a fixing core (23); a movable core (24); a first return spring (25); a coil (41); a first valve mechanism (29) including a movable seat member (44), a second return spring (45), a first valve part (46), a first valve seat (47)…",
  "path": "/patents/1091766",
  "publishedAt": "2003-11-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T8/363",
    "NISSIN KOGYO KK [JP]"
  ],
  "textContent": "An electromagnetic valve has a cylindrical-shaped valve housing (22), a fixing core (23); a movable core (24); a first return spring (25); a coil (41); a first valve mechanism (29) including a movable seat member (44), a second return spring (45), a first valve part (46), a first valve seat (47), and a first valve hole (48), and a second valve mechanism (30) including a cylindrical-shaped valve seat member (52), a second valve seat (53), a second valve hole (54), and a second valve part (55), wherein, on the movable seat member (44), a cylindrical-shaped guide part (57), when the second valve part (55) is seated on the second valve seat (53), is cut off from the valve chamber (43) but, when the second valve part (55) is separated from the second valve seat (53), forms an annular-shaped passage (58) communicating with the valve chamber (43) and is slidably fitted into the second valve hole (54); and a communication passage (59) for allowing the annular-shaped passage (58) to communicate with the interior of the guide part (57) is formed.",
  "title": "Electromagnetic valve"
}