The invention is directed to an airbag system and, more particularly, to such a system employed as a rescue or life-saving system to enable a person to survive an avalanche, for example. In a particular embodiment, the invention relates to an airbag system utilized with a backpack to be worn by a sk
The invention is directed to an airbag system and, more particularly, to such a system employed as a rescue or life-saving system to enable a person to survive an avalanche, for example. In a particular embodiment, the invention relates to an airbag system utilized with a backpack to be worn by a skier, snowboarder, hiker, or snowmobiler, for example. Instead of relying upon compressed gas cartridges or cylinders to inflate the airbag(s), the invention inflates the airbag(s) with ambient air only. In a particular embodiment, air is supplied to the airbag by means of a battery-powered electrical motor.
대표청구항▼
1. An airbag system for rescue in snow or water comprising: at least one inflatable airbag having an inflated state and a deflated state;a powered air mover;a supporting device designed to support the at least one inflatable airbag and the powered air mover on a user of the airbag system or on equip
1. An airbag system for rescue in snow or water comprising: at least one inflatable airbag having an inflated state and a deflated state;a powered air mover;a supporting device designed to support the at least one inflatable airbag and the powered air mover on a user of the airbag system or on equipment used by the user;in the deflated state, the supporting device being structured and arranged such that the at least one airbag is positioned within the supporting device;in the inflated state, the at least one airbag being structured and arranged to extend externally beyond the supporting device;the supporting device comprising a backpack having shoulder straps, the backpack supporting at least the at least one airbag and the powered air mover;at least two ambient air intakes spaced apart on an outer surface of the backpack; andin the deflated state, the at least one airbag being contained within the backpack. 2. An airbag rescue system according to claim 1, further comprising: at least one ambient air intake positioned on an outer surface of the supporting device. 3. An airbag rescue system according to claim 2, further comprising: ambient air intake ducting positioned to channel ambient air from the at least one ambient air intake to the powered air mover. 4. An airbag rescue system according to claim 1, further comprising: ambient air intake ducting positioned to channel ambient air from both of the at least two ambient air intakes to the powered air mover. 5. An airbag rescue system according to claim 1, wherein: the powered air mover comprises a means for inflating the at least one airbag with 100% ambient air to a volume of at least 100 liters in no more than 5 seconds. 6. An airbag system according to claim 1, wherein: the supporting device comprises structure to support the at least one airbag respectively in the deflated state and in the inflated state;in the inflated state, the at least one airbag comprises at least a portion designed to be positioned proximate the user's head at the height of the user's head. 7. An airbag rescue system according to claim 1, wherein: the powered air mover comprises: a bladed rotor;an electric motor; anda battery connected to the electric motor for powering the electric motor for rotating the bladed rotor. 8. An airbag rescue system according to claim 7, wherein: the supporting device supports the battery as well as the electric motor and the at least one airbag. 9. An airbag rescue system according to claim 1, wherein: the powered air mover further comprises: a battery;a controller connected to the battery and the powered air mover, the controller being configured to control power to powered air mover. 10. An airbag rescue system according to claim 9, further comprising: a manual activation switch in communication with the controller, the switch being configured to be manipulated by the user and, via the controller, to selectively switch power to the powered air mover between off and on states. 11. An airbag system for rescue in snow or water comprising: at least one inflatable airbag having an inflated state and a deflated state;a powered air mover; anda supporting device designed to support the at least one inflatable airbag and the powered air mover on a user of the airbag system or on equipment used by the user;in the deflated state, the supporting device being structured and arranged such that the at least one airbag is positioned within the supporting device;in the inflated state, the at least one airbag being structured and arranged to extend externally beyond the supporting device;the powered air mover further comprising: a battery;a controller connected to the battery and the powered air mover, the controller being configured to control power to powered air mover;the controller being configured to cycle power from the battery to the powered air mover in successive predetermined spaced-apart time intervals. 12. An airbag system for rescue in snow or water comprising: at least one inflatable airbag having an inflated state and a deflated state;a powered air mover; anda supporting device designed to support the at least one inflatable airbag and the powered air mover on a user of the airbag system or on equipment used by the user;in the deflated state, the supporting device being structured and arranged such that the at least one airbag is positioned within the supporting device;in the inflated state, the at least one airbag being structured and arranged to extend externally beyond the supporting device;the powered air mover further comprising: a battery;a controller connected to the battery and the powered air mover, the controller being configured to control power to powered air mover;the controller being configured to cycle off power from the battery to the powered air mover in response to air pressure within the at least one airbag having reached a predetermined limit sensed by an air pressure sensor. 13. An airbag rescue system according to claim 1, wherein: the airbag rescue system includes neither a compressed gas container nor a source of compressed gas. 14. An airbag rescue system according to claim 7, wherein: the electric motor has a weight of a fraction of a pound. 15. An airbag rescue system according to claim 14, wherein: the electric motor has a weight of no more than 98 grams. 16. An avalanche rescue system comprising: at least one inflatable airbag designed to having an inflated state and a deflated state;a powered air mover comprising a controller configured to cycle off power to the powered air mover upon attaining a predetermined upper air pressure limit within the at least one airbag sensed by an air pressure sensor; anda wearable device designed to be worn by a person, the wearable device supporting at least the at least one inflatable airbag and the powered air mover. 17. An avalanche rescue system according to claim 16, wherein: the airbag rescue system includes neither a compressed gas container nor a source of compressed gas. 18. An avalanche rescue system according to claim 16, wherein: the powered air mover comprises means for inflating the at least one airbag with 100% ambient air to a volume of at least 100 liters in no more than 5 seconds. 19. An avalanche rescue system according to claim 16, wherein: in the inflated state, the at least one airbag is structured and arranged to extend externally beyond the supporting device for engagement with the snow or the water. 20. An avalanche rescue system according to claim 16, wherein: the controller is further configured to cycle on power from the battery upon attaining a predetermined lower air pressure limit within the at least one air bag sensed by said air pressure sensor. 21. An avalanche rescue system according to claim 16, wherein: the wearable device comprises a backpack having shoulder straps, the backpack supporting at least the at least one airbag and the powered air mover. 22. An avalanche rescue system according to claim 21, further comprising: a pair of at least two ambient air intakes spaced apart on an outer surface of the backpack. 23. An avalanche rescue system according to claim 16, wherein: the powered air mover further comprises: a bladed rotor;an electric motor; anda battery connected to the electric motor for powering the electric motor for rotating the bladed rotor. 24. An avalanche rescue system comprising: at least one inflatable airbag designed to having an inflated state and a deflated state;a powered air mover comprising a controller;the controller being configured to cycle off power to the powered air mover in successive predetermined spaced-apart time intervals; anda wearable device designed to be worn by a person, the wearable device supporting at least the at least one inflatable airbag and the powered air mover.
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