LABORATORY FUME HOOD CONTROLLER UTILIZING OBJECT DETECTION

A FUME HOOD CONTROLLER (20) INCLUDES DETECTION APPARATUS FOR DETECTING THE PRESENCE OF OBJECTS WITHIN THE FUME HOOD (60) AND REDUCES THE FLOW THROUGH THE FUME HOOD (60) IF THERE ARE NO OBJECTS WITHIN THE HOOD, THEREBY CONSERVING ENERGY COSTS ASSOCIATED WITH CONDITIONING SUPPLY AIR TO THE ROOM WHERE...

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Bibliographische Detailangaben
1. Verfasser:	STEVEN D. JACOB
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE CLEANING CLEANING IN GENERAL CONTROLLING HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS PREVENTION OF FOULING IN GENERAL RANGES REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TRANSPORTING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A FUME HOOD CONTROLLER (20) INCLUDES DETECTION APPARATUS FOR DETECTING THE PRESENCE OF OBJECTS WITHIN THE FUME HOOD (60) AND REDUCES THE FLOW THROUGH THE FUME HOOD (60) IF THERE ARE NO OBJECTS WITHIN THE HOOD, THEREBY CONSERVING ENERGY COSTS ASSOCIATED WITH CONDITIONING SUPPLY AIR TO THE ROOM WHERE THE FUME HOOD IS LOCATED. THE CONTROLLER (20) ALSO ADJUSTS FLOW AS A FUNCTION OF THE PRESENCE AND ALSO THE LOCATION OF OBJECTS THAT ARE DETECTED WITHIN THE FUME HOOD (60). SINCE THERE IS A SMALLER LIKEHOOD OF FUME SPILLAGE WHEN THE OBJECTS ARE LOCATED MORE DEEPLY WITHIN THE FUME HOOD, THE FLOW CAN BE REDUCED IN SUCH A SITUATION COMPARED TO THAT WHICH WOULD BE REQUIRED IF THE OBJECTS ARE LOCATED CLOSER TO THE SASH.(FIG 6)