Patent ID: 9174720
Filing Date: 2015-11-03
Classification: B64B

Abstract:
1. An apparatus comprising: a balloon envelope; a plate secured to the balloon envelope, the plate having an outlet port; wherein the outlet port provides a passageway from an inside of the balloon envelope to the atmosphere; a first bracket extending from the bottom of the plate; a first linear actuator having a first end and a second end, the first end of the linear actuator attached to the first bracket; wherein a valve having a periphery is positioned over the outlet port; wherein the second end of the linear actuator is attached to the valve; wherein the valve is movable from a first, closed position where a seal is provided by the engagement of the periphery of the valve and a periphery of the outlet port to a second, open position where the periphery of the valve is disengaged from the periphery of the outlet port and moved within an interior of the balloon envelope by movement of the second end of the linear actuator to open the passageway between the inside of the balloon envelope and the atmosphere to allow gas or air to be vented from the balloon envelope.