US 11,718,330 B2
Controlled roof drainage via the bellows
Stefan Hartmann, Vienna (AT); Christian Scheibenreif, Vienna (AT); and Maximilian Krapp, Vienna (AT)
Assigned to Bombardier Transportation GmbH, Berlin (DE)
Filed by Bombardier Transportation GmbH, Berlin (DE)
Filed on Dec. 22, 2021, as Appl. No. 17/558,813.
Claims priority of application No. 20217464 (EP), filed on Dec. 28, 2020.
Prior Publication US 2022/0204058 A1, Jun. 30, 2022
Int. Cl. B61D 17/22 (2006.01); B61D 17/14 (2006.01); B62D 25/07 (2006.01); B61D 17/20 (2006.01); B62D 25/24 (2006.01); B60J 10/25 (2016.01)
CPC B61D 17/22 (2013.01) [B61D 17/14 (2013.01); B61D 17/20 (2013.01); B62D 25/07 (2013.01); B60J 10/25 (2016.02); B62D 25/24 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A drainage channel for a gangway bellow comprising corrugations forming at least one valley presenting a valley top portion facing upwardly and at least one valley top corner, wherein the drainage channel is suitable for being located within said at least one valley top corner of said at least one valley and is operative to guide at least partially downwardly liquid accumulating within said valley top portion as it flows through said drainage channel,
wherein the drainage channel comprises:
at least one top corner portion at one end suitable for being located into said at least one valley top corner of said gangway bellow, and
a straight portion extending downwardly from said at least one top corner portion along at least part of a bellow side, and
wherein said straight portion is located within at least part of a valley side portion facing outwardly and extending downwardly from said valley top portion along said bellow side.