Compressor fill method and apparatus

F - Mech Eng,Light,Heat,Weapons – 17 – C

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F17C 5/06 (2006.01) F17C 13/02 (2006.01)

Patent

CA 2653819

A method an apparatus for filling a vessel with compressed gas is disclosed. Gas is compressed into the vessel at a predetermined flow rate using a variable speed pump or compressor. The flow rate is adjusted to increase the gas pressure at a predetermined rate of change. The flow rate is adjusted based upon the instantaneous value of a measured parameter such as gas temperature or pressure or ambient temperature. The parameter is measured by a transducer and the value is fed back to a controller which adjusts the speed of the compressor or pump to produce the flow rate needed to achieve the predetermined pressure rate of change.

Divulgation d'une méthode et d'un appareil de remplissage d'un récipient avec du gaz comprimé. Le gaz est comprimé dans le récipient à un débit prédéterminé grâce à l'utilisation d'une pompe à vitesse variable ou d'un compresseur. Le débit est ajusté pour augmenter la pression du gaz selon un taux de changement prédéterminé. Le débit est ajusté selon la valeur instantanée d'un paramètre mesuré comme la température du gaz , la pression ou la température ambiante. Le paramètre est mesuré par un transducteur et la valeur est envoyée à un dispositif de commande qui ajuste la vitesse du compresseur ou de la pompe pour produire le débit nécessaire pour obtenir le taux de changement prédéterminé de la pression.

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