DOOR EMERGENCY EXIT AIRCRAFT WITH BUILT-IN MECHANISMS AND METHOD OF OPENING / CLOSING THIS DOOR Russian patent published in 2019 - IPC B64C1/14 

FIELD: aviation.

SUBSTANCE: invention relates to an emergency exit door for an aircraft with built-in opening mechanisms, i.e. which are concentrated in the limited space of the door. Emergency exit door of the aircraft contains opening mechanisms built in by grouping the said mechanisms into the door strip located on a given side of the window of standard dimensions. In this strip, the inner handle is mounted on the main shaft connected to the locking shaft on which the locking mechanism is installed against the return springs. Mechanism for opening the door, under a certain condition, contains a ventilation flap, a hinged connection for connecting the flap with an internal handle and a locking shaft, which has a pressure lever at each end, equipped with supports. Return springs, installed against the opening mechanism under a certain condition, are calibrated so as to ensure the opening of the said sash due to the application of reduced pressure and to prevent its opening under overpressure conditions.

EFFECT: increased safety during operation.

13 cl, 31 dwg