English to German Tech/Engineering Automotive / Cars & Trucks bus transportation

They [contact strips on the edges of the doors] could also be combined with back pressure valves that will react if the closing force is higher than normal, i.e. something or somebody is obstructing the door from closing.

Gegendruckventil? Haut mich noch nicht vom Hocker...

Freue mich über Vorschläge - vielen Dank!