{
  "$type": "site.standard.document",
  "description": "According to an aspect of the present invention, there is provided a piston pump (1), comprising: a cylinder (10) formed in a pump body (100); a piston (40) reciprocatable within the cylinder (10); and a seal member (50, 50A) interposed between the cylinder (10) and the piston (40) for sealing…",
  "path": "/patents/979376",
  "publishedAt": "2014-01-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T8/4031",
    "NISSIN KOGYO KK [JP]"
  ],
  "textContent": "According to an aspect of the present invention, there is provided a piston pump (1), comprising: a cylinder (10) formed in a pump body (100); a piston (40) reciprocatable within the cylinder (10); and a seal member (50, 50A) interposed between the cylinder (10) and the piston (40) for sealing fluid tight between a pump chamber (30) and a cam chamber (130), the pump chamber (30) being formed on one end (40a) side of the piston (40) in a sliding direction thereof, the cam chamber (130) being formed on the other end (40b) side of the piston (40) in the sliding direction, wherein the seal member (50, 50A) includes a sliding contact surface (53) closely contactable with the cylinder (10) or the piston (40) and a seal section (L1, L3) to be sealed by the sliding contact surface (53) in the sliding direction of the piston (40), and wherein a length of the seal section (L1, L3) is larger than a stroke length (S1) of the piston (40).",
  "title": "Piston pump"
}