Pressure control with coarse and fine adjustment

Details Pressure control with coarse and fine adjustment Pressure control with coarse and fine adjustment

F - Mech Eng,Light,Heat,Weapons

24

F

F24F 11/00 (2006.01) G05D 16/20 (2006.01)

Patent

CA 2696365

A pressurization control system configured to regulate air pressure within a space includes a first damper fluidly coupled to an air supply, the first damper configured to control delivery of an air flow, and a second damper having an operating range, the second damper fluidly coupled to the air supply and the first damper, the second damper configured to supplement delivery of the air flow. The pressurization control system further includes a room controller configured to provide a control signal to the first and second dampers, wherein the control signal drives the first damper to direct the air flow towards the operating range, and wherein the control signal drives the second damper to direct the air flow towards a set point

L'invention concerne un système de contrôle de pressurisation configuré pour réguler une pression d'air dans un espace, comprenant un premier registre couplé de manière hydraulique à une alimentation d'air, le premier registre étant configuré pour commander la délivrance d'un écoulement d'air, et un second registre ayant une plage de fonctionnement, le second registre étant couplé de manière hydraulique à l'alimentation d'air et au premier registre, le second registre étant configuré pour remplacer la délivrance de l'écoulement d'air. Le système de commande de pressurisation comprend en outre un contrôleur d'espace configuré pour fournir un signal de contrôle aux premier et second registres, le signal de contrôle amenant le premier registre à diriger l'écoulement d'air vers la plage de fonctionnement, et le signal de contrôle entraînant le second registre à diriger l'écoulement d'air vers un point de consigne.

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