An aircraft cabin door system has a cabin door having an outer side and an inner side, a drive device coupled to the cabin door for moving the cabin door into an open position, a first actuation device, a second actuation device, and an emergency chute unit coupled to the cabin door and having an emergency chute and an actuation mechanism. The emergency chute unit can be moved into an active state, in which opening the cabin door leads to activation of the emergency chute, and an inactive state, in which opening the cabin door does not lead to activation of the emergency chute. The emergency chute unit is in the inactive state when the cabin door is opened after actuation of the first actuation device. The emergency chute unit is in the active state when the cabin door is opened after actuation of the second actuation device.

An aircraft cabin door system has a cabin door having an outer side and an inner side, a drive device coupled to the cabin door for moving the cabin door into an open position, a first actuation device, a second actuation device, and an emergency chute unit coupled to the cabin door and having an emergency chute and an actuation mechanism. The emergency chute unit can be moved into an active state, in which opening the cabin door leads to activation of the emergency chute, and an inactive state, in which opening the cabin door does not lead to activation of the emergency chute. The emergency chute unit is in the inactive state when the cabin door is opened after actuation of the first actuation device. The emergency chute unit is in the active state when the cabin door is opened after actuation of the second actuation device.

A pressure relief valve may comprise a housing, a disk, and a seal. The disk may be configured to deflect relative to the housing. The seal may form a sealing interface with at least one of the housing or disk. The pressure relief valve may be coupled to an inflatable slide or an aspirator.

A pressure relief valve may comprise a housing, a disk, and a seal. The disk may be configured to deflect relative to the housing. The seal may form a sealing interface with at least one of the housing or disk. The pressure relief valve may be coupled to an inflatable slide or an aspirator.

A fan aspirator, and related systems and methods, utilizes a plurality of motors to drive a fan of an aspirator to deliver inflation fluid to an inflatable device. The fan aspirator includes a plurality of motors and a respective plurality of drive gears configured to drive a pinion gear to which the fan is mounted within a central chamber of the housing of fan aspirator.

A fan aspirator, and related systems and methods, utilizes a plurality of motors to drive a fan of an aspirator to deliver inflation fluid to an inflatable device. The fan aspirator includes a plurality of motors and a respective plurality of drive gears configured to drive a pinion gear to which the fan is mounted within a central chamber of the housing of fan aspirator.

A gas delivery augmenter may include a pump mechanism for facilitating inflation of an inflatable. The pump mechanism is generally configured to be driven/powered by pressure-volume energy from a primary gas received by the gas delivery augmenter, and the pump mechanism of the gas delivery augmenter is configured to entrain a secondary gas deliver the entrained secondary gas (and any remaining primary gas) to the inflatable. The pump mechanism, as described in greater detail below, enables secondary gas to be pumped/delivered to the inflatable even as the inflatable backpressure increases, thus providing improved inflation over conventional aspirators.

A gas delivery augmenter may include a pump mechanism for facilitating inflation of an inflatable. The pump mechanism is generally configured to be driven/powered by pressure-volume energy from a primary gas received by the gas delivery augmenter, and the pump mechanism of the gas delivery augmenter is configured to entrain a secondary gas deliver the entrained secondary gas (and any remaining primary gas) to the inflatable. The pump mechanism, as described in greater detail below, enables secondary gas to be pumped/delivered to the inflatable even as the inflatable backpressure increases, thus providing improved inflation over conventional aspirators.

An assembly for arming/disarming a slide of an airplane door according to the invention comprises a system with two releasable connection mechanisms (2) linked with the door (1) and a cabin floor of the airplane, each mechanism (2) comprising a releasable connector (21b) secured to the door (1), extending at right angles to the floor on each side of a door bottom, and an anchor fitting (22b) fixed to the cabin floor. Each connector (21b) is equipped with an elastic centering element (70) and a locking/unlocking grab (25b) on the corresponding anchor fitting (22b), the connectors (21b) being linked by a girt bar (5). Each grab (25b) being rotationally mobile, one of the grabs (25b) is driven by a single command (5; 25b) which drives the other grab in rotation via the girt bar (5).

An inflatable slide may comprise a ramp portion and a slide portion extending from the ramp portion. A multipurpose indicator tube may be fluidly coupled to the slide portion. A releasable restraint may be disposed between the multipurpose indicator tube and the slide portion. The releasable restraint may comprise a first restraint portion coupled to an end of the multipurpose indicator tube and a second restraint portion coupled to a toe end of the slide portion. The first restraint portion may be releasably coupled to the second restraint portion. A detachable restraint may be coupled to the slide portion and configured to detachably couple to the end of the multipurpose indicator tube.