Yves Gervais

Device and method to suppress sudden pressure changes in vehicles, in particular land vehicles

Method and apparatus for regulating the internal pressure of a ventilated, closed space subjected to variations in external pressure

Apparatus and method for preventing sudden changes of pressure in vehicles

Process and device for the internal pressure control of a ventilated enclosure

Method and apparatus for eliminating sudden changes of pressure inside vehicles, in particular ground vehicles

Method and device for regulating the pressure of a ventilated room

Verfahren und Vorrichtung zur Druckregelung von einem belüfteten Raum Method and apparatus for pressure control of a ventilated room

Device and process for regulating the internal pressure in a ventilated closed space subject to variations in external pressure

Vorrichtung und Verfahren, um plötzliche Druckänderungen in Fahrzeugen, insbesondere Bodenfahrzeugen, zu vermeiden In order to avoid device and method sudden pressure changes in vehicles, in particular floor vehicles,

Method and device for eliminating sudden pressure changes in vehicles