MECHANICAL VENTILATION SYSTEM UTILIZING BIAS VALVE

The apparatus is for use with a gas source for producing gas flow to a receiver circuit. The apparatus comprises: a blower assembly, wherein the blower assembly includes a Roots-type blower; a first valve connected to the receiver circuit; a control module configured to control the first valve; and...

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Bibliographische Detailangaben
Hauptverfasser:	DEVRIES, DOUGLAS F, ALLUM, TODD
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DEVICES FOR VENTING OR AERATING DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS FIRE-FIGHTING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES HYGIENE JOINTS OR FITTINGS FOR PIPES LIFE-SAVING LIGHTING MACHINES OR ENGINES IN GENERAL MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE PIPES POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS STEAM ENGINES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The apparatus is for use with a gas source for producing gas flow to a receiver circuit. The apparatus comprises: a blower assembly, wherein the blower assembly includes a Roots-type blower; a first valve connected to the receiver circuit; a control module configured to control the first valve; and a second valve connected between the gas source and the receiver circuit. The second valve is configured to provide an elevated drive pressure at the control module relative to a downstream pressure at the receiver circuit. The apparatus further comprises a poppet disposed within the second valve, the poppet having a mass sufficient to generate inertial damping of a gas flow between the gas source and the second valve, wherein the gas flow is received from the gas source.