PNEUMATISCHES, REGULIERBARES LUFTVOLUMEN-STEUERGERAET

In a pneumatic variable air volume controller, a linear relationship is achieved between the actual air velocity in a duct carrying conditioned air to a defined area and a pneumatic pressure signal representing the temperature in that area; and this linear relationship is used to vary the volume of...

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Bibliographische Detailangaben
1. Verfasser:	KREUTER, PAUL E., GOSHEN, IND., US
Format:	Patent
Sprache:	ger
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CONTROLLING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING PHYSICS RANGES REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	In a pneumatic variable air volume controller, a linear relationship is achieved between the actual air velocity in a duct carrying conditioned air to a defined area and a pneumatic pressure signal representing the temperature in that area; and this linear relationship is used to vary the volume of air flowing in the duct. This is achieved by comparing a pneumatic pressure control signal which is a linear representation of the velocity pressure in the duct to a pneumatic pressure control signal which varies as the square of a thermostat pneumatic pressure signal which itself varies in a linear manner with respect to the temperature in the controlled area.