Method for Filling a Pressurized Gas Tank

Abstract

The invention relates to a method for filling a pressurised gas tank, especially a pressurised tank for a protective airbag-type system, with a gas or a gaseous mixture. Said method comprises a first step wherein a determined first quantity of a gas or a gaseous mixture in the liquid state is introduced into the tank. The inventive method is characterised in that the first introduction step comprises an intermediate introduction step wherein an intermediate quantity of a gas or a gaseous mixture in the liquid state is introduced into the tank, the intermediate quantity being larger than the first quantity. The inventive method also comprises a step for removing part of the gas in the liquid state, in excess of the first quantity, from the tank, in such a way as to dose the first quantity of gas in the liquid state in the tank.

Dependencies are inferred from the claim text.