{
  "$type": "site.standard.document",
  "description": "A substance feeding device includes: a buffer member, a conveying assembly, a weight meter, and a control assembly. The buffer member is configured to store a substance; one end of the conveying assembly is connected with the buffer member; the conveying assembly has at least two conveying ports…",
  "path": "/patents/1377130",
  "publishedAt": "2025-11-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01G19/30",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED"
  ],
  "textContent": "A substance feeding device includes: a buffer member, a conveying assembly, a weight meter, and a control assembly. The buffer member is configured to store a substance; one end of the conveying assembly is connected with the buffer member; the conveying assembly has at least two conveying ports; the conveying port is configured to connect with a target device; the weight meter is connected with the buffer member and is configured to detect a weight of the substance in the buffer member; each conveying port is provided with one control assembly; the control assembly is configured to control communication and cutoff of a pipeline between the conveying port and the corresponding target device; the control assembly includes a back pressure valve; and the back pressure valve is disposed on the conveying port and capable of being connected with the target device.",
  "title": "SUBSTANCE FEEDING DEVICE, MIXING SYSTEM, AND BATTERY PRODUCTION LINE"
}