公开(公告)号：US09174718B1

公开(公告)日：2015-11-03

申请号：US14041637

申请日：2013-09-30

Applicant: Google Inc.

Inventor： Kevin Roach ,  Nlkhil Singh Kohli ,  Richard Wayne DeVaul ,  Sameera Sylvia Ponda

IPC: B64B1/58 ,  B64B1/40

CPC classification number: B64B1/40 ,  B64B1/60 ,  B64B1/62

Abstract: A balloon having a balloon envelope that is fillable with a first lifting gas, a top plate arranged at a top of the balloon envelope, an outlet port that provides a passageway from an inside of the balloon envelope to the atmosphere, an inner bladder positioned within the balloon envelope and positioned at the top of the balloon envelope and coupled to the top plate, wherein the inner bladder is fillable with a second lifting gas, wherein the outlet port is configured to vent the first lifting gas to the atmosphere while keeping the second lifting gas in the inner bladder.

Abstract translation: 一种气囊，其具有可由第一提升气体填充的气球外壳，布置在气球外壳顶部的顶板，提供从气球外壳的内部到大气的通道的出口端口， 所述球囊包围并且定位在所述球囊封套的顶部并且联接到所述顶板，其中所述内囊可填充有第二提升气体，其中所述出口被构造成将所述第一提升气体排放到大气中，同时保持所述第二提升气体 在内胆提升气体。