Patent · US Active

Device for opening a passenger door in case of emergency

US8881524B2 · kind B2 · utility

7Cited by

5References

18Claims

0Family size

Assignee

AIRBUS HELICOPTERS DEUTSCHLAND GMBH · DE

Inventors

Stefan Andres · Munich, DE
Hans-Peter Bartosch · Oberstdorf, DE
Wolfgang Buchs · Valley, DE
Manfred Held · Hamburg, DE
Rainer Hertle · Alerheim, DE

Key dates

Filing date	Mar 2, 2009
Grant date	Nov 11, 2014
Priority date	—
Expiry date	Jan 25, 2032

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE05Y2900/531
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The invention relates to a device for opening a passenger door (1) of an aircraft in case of emergency, which is fastened so it is manually pivotable on the fuselage (3) of the aircraft via a hinge and/or support arm configuration (2), an auxiliary-energy-operated emergency opening drive (4) being provided between the fuselage (3) and the passenger door (1), which automatically opens the passenger door (1) in accordance with an emergency control unit (5), the auxiliary energy for the emergency opening drive (4) being pyrotechnic energy, whose gas expanding inside an expansion chamber (6) after triggering by the emergency control unit (5) impinges the emergency opening drive (4) with pressure medium to open the passenger door (1), wherein said emergency opening drive (4) generates a rotational movement.

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