{
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  "description": "Provided is a waste gate valve capable of absorbing pulsation following the pulsation of a fluid pressure. In a waste gate valve (60), a drive gear (70) is rotationally driven by a drive motor (55), the rotational drive of the drive gear (70) allows a valve shaft (65) engageable with the drive gear…",
  "path": "/patents/921071",
  "publishedAt": "2017-09-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B37/18",
    "TAIHO KOGYO CO LTD [JP]"
  ],
  "textContent": "Provided is a waste gate valve capable of absorbing pulsation following the pulsation of a fluid pressure. In a waste gate valve (60), a drive gear (70) is rotationally driven by a drive motor (55), the rotational drive of the drive gear (70) allows a valve shaft (65) engageable with the drive gear (70) to advance or retreat in an axial direction, and the advance or retreat of the valve shaft (65) moves a valve (61) provided at the valve shaft (65) from a valve seat (62) so as to open or close a channel (82). The waste gate valve (60) includes a main spring (91) for urging the valve (61) in a closure direction. Fluid pressure acting on the valve (61) is transmitted to the drive motor (55) as a load. Furthermore, the waste gate valve (60) includes a damper spring (92) for urging the valve (61) in an open direction.",
  "title": "WASTE GATE VALVE"
}