{
  "$type": "site.standard.document",
  "description": "The invention relates to a method (7) for determining an output temperature (T) of a fluid after flowing through a PTC heater (1) with a PTC heating element (2). [0002] In the method: - a current (I) of the PTC heating element (2), a supply voltage (U) of the PTC heating element (2) and a duty…",
  "path": "/patents/1393403",
  "publishedAt": "2026-03-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60H1/00428",
    "MAHLE INT GMBH [DE]"
  ],
  "textContent": "The invention relates to a method (7) for determining an output temperature (T) of a fluid after flowing through a PTC heater (1) with a PTC heating element (2). [0002] In the method: - a current (I) of the PTC heating element (2), a supply voltage (U) of the PTC heating element (2) and a duty cycle (PWM) of the supply voltage (U) are determined, and - the output temperature (T) of the fluid is calculated based on the current (I), the supply voltage (U) and the duty cycle (PWM). [0003] The invention also relates to a PTC heater (1) for carrying out the method (7).",
  "title": "METHOD FOR DETERMINING AN OUTPUT TEMPERATURE OF A FLUID"
}