{
  "$type": "site.standard.document",
  "description": "The invention relates to a device (10) for regulating the pressure supplied to a railway pneumatic cylinder brake caliper (E), via an upper pressure increase solenoid valve (EV1) and a lower pressure release solenoid valve (EV2), and comprising a pressure regulator (12) configured to: - compare a…",
  "path": "/patents/1393525",
  "publishedAt": "2026-04-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/365",
    "ALSTOM HOLDINGS [FR]"
  ],
  "textContent": "The invention relates to a device (10) for regulating the pressure supplied to a railway pneumatic cylinder brake caliper (E), via an upper pressure increase solenoid valve (EV1) and a lower pressure release solenoid valve (EV2), and comprising a pressure regulator (12) configured to: - compare a first signal representative of the pressure measured in said caliper with a second signal representative of a reference pressure, - control the opening of the upper solenoid valve when the value of the first signal is lower than that of the second signal, and conversely, the opening of the lower solenoid valve; in the presence of an emergency braking request, said second signal being representative of the pressure value necessary for emergency braking, in the absence of such a request, said second signal being obtained from a service braking input.",
  "title": "ELECTRONIC DEVICE FOR CONTROLLING PRESSURE SUPPLIED TO A RAILWAY BRAKE CALIPER",
  "updatedAt": "2026-06-19T12:30:59.553Z"
}