Locking and unlocking system for the cockpit door of an aircraft and door with such a system
US8505850B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2007 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Sep 14, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05B77/12
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Embodiments relate to a locking and unlocking system of a separation door separating a cockpit from a cabin of an aircraft. In one embodiment, a system comprises a set of electrically controlled bolts configured to lock the door, a control unit configured to electrically control the set of bolts, a first manual control connected to the control unit, installed in the cockpit and configured to unlock the door, a second manual control connected to the control unit, installed in the cabin and configured to unlock the door, an accelerometer to detect a crash, and a switching relay to control automatic unlocking of the door when a crash of the aircraft is detected, the relay connected to the accelerometer, the control unit and the set of bolts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.