Patent ID: 11905979
Assignee: FTE AUTOMOTIVE GMBH
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 16:
17. The piston according to claim 5, wherein the depression has a vent groove in its wall, which, together with the first sealing portion, forms the second vent channel, wherein the vent groove extends in the direction of the inner region from the piston end face to behind the outer region, and is configured and dimensioned such that the second vent channel is not closed by the sealing element at a first pressure and/or at a first temperature, and the temperature- and pressure-dependently elastically deformed sealing element increasingly closes the free cross-sectional area of the second vent channel as the pressure rises and/or the temperature rises, until the second vent channel is substantially completely closed above a second pressure and/or above a second temperature.