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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||40/412 ; 40/214|
|발명자 / 주소||
|인용정보||피인용 횟수 : 19 인용 특허 : 0|
A self-inflatable balloon and motor-driven turbine assembly has a communication discernible on a surface of the balloon and has a pneumatically sealed enclosure for the turbine. The sealed enclosure has an outlet port and which, together with the inlet port, are positioned in relation to the turbine to permit efficient flow of air or other gas into the balloon when it is desired to inflate the balloon. The outlet port or the inlet port, depending upon the embodiment, seals an enclosure when selectively operated to a closed position to prevent leaking of ...
In combination: a) an inflatable balloon having an interior and an opening mouth; b) pump means having an inlet port and an outlet port, said outlet port being pneumatically connected to said opening mouth of said inflatable balloon, for pressurizing gas at said outlet port and in the interior of said balloon; c) switch means operably connected to said pump means for starting and stopping said pump means; and, d) door sealing means operably connected to said switch means for selectively preventing the passage of gas through said opening mouth when said s...