Patent · US Active

Controlled roof drainage via the bellows

US11718330B2 · kind B2 · utility

3Cited by

4References

11Claims

0Family size

Assignee

Bombardier Transportation GmbH · DE

Inventors

Stefan Hartmann · Eggolsheim, DE
Christian Scheibenreif · Wien, AT
Maximilian Krapp · Wien, AT

Key dates

Filing date	Dec 22, 2021
Grant date	Aug 8, 2023
Priority date	—
Expiry date	Dec 22, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB62D25/24
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A gangway bellow includes an outer bellow presenting corrugations forming a plurality of valleys presenting each a valley top portion facing upwardly and connected at each end to a valley top corner forming a junction between the valley top portion and a respective bellow side. The gangway bellow further includes at least one drainage channel so that liquid accumulating into at least one of the valley top portions flows through the at least one drainage channel along the respective bellow side.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.