Compressed air control system

G - Physics – 05 – D

Patent

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Details

G05D 16/20 (2006.01) G05D 7/06 (2006.01)

Patent

CA 2112891

This invention provides an air control system which is retrofittable in an intermediate position between upstream compressors (130) and air storage vessels and downstream useful production equipment (140) to provide benefits of greater air-utilization efficiency and a better air system balance between supply and demand, especially on an air-weight flow basis. A preferred embodiment employs a plurality of servo-driven flow controllers (30) in parallel between a pair of header tanks (22) and controls them in response to sensed downstream pressures and to the pressure differential across the control system. Another embodiment includes control means to manage the loading and unloading of compressors to and from the air system.

Cette invention concerne un système de régulation d'air à intercaler en rattrapage entre des compresseurs (130) et réservoirs d'air amont et l'équipement de production (140) en aval pour rehausser l'efficacité d'utilisation de l'air et réaliser un meilleur équilibre entre l'offre et la demande, en particulier en termes de débit massique. Une variante privilégiée fait appel à une série de régulateurs de débit à servocommande (30) montés en parallèle entre une paire de réservoirs collecteurs (22), les paramètres de servocommande étant la pression mesurée en aval et la différence de pression à la grandeur du réseau. Une autre variante comprend un moyen de régulation qui commande la mise en circuit et hors circuit des compresseurs selon la demande.

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