Patent ID: 7878141

Claim:
An airbag system for use in an avalanche comprising: an inflatable balloon; a pressure gas cylinder for holding a gas for use in inflating the inflatable balloon; a valve, located between the inflatable balloon and the pressure gas cylinder, the valve capable of being placed in a closed state to retain pressurized gas in the pressure gas cylinder and in an open state to release pressurized gas from the pressure gas cylinder for use in inflating the inflatable balloon; an ejector, located between the valve and the inflatable balloon, for conveying gas received from the pressure gas cylinder when the valve is in the open state and ambient air into the inflatable balloon; a flow restrictor, located to receive gas from the pressure gas cylinder when the valve is in the open state before the gas is received by the ejector; and a harness for supporting the inflatable balloon, pressure gas cylinder, valve, ejector and flow restrictor adjacent to an individual's body.