Patent ID: 6196583
Filing Date: 2001-03-06
Classification: B60R

Abstract:
An inflator, in particular for passive vehicle occupant restraint systems, comprising a housing (1, 15; 22, 23), a combustion chamber (21) formed in said housing and including solid propellant (6) for generating hot gas, and a coolant (13) introduced into a predetermined flow path of the hot gas, characterized in that the flow path of the hot gas passes through a nozzle (10) comprising a pitot zone (20) in which the hot gas emerging from said combustion chamber (21) has a high static pressure, and comprising a nozzle neck (19) in which the hot gas builds up a high dynamic pressure, and that said coolant (13) is arranged in a sleeve-shaped reservoir (11) extending from said pitot zone (20) at least in part into said nozzle neck (19).