FUME HOOD EXHAUST TERMINAL HAVING AN ELECTRICALLY DRIVEN LINEAR ACTUATOR

A FUME HOOD EXHAUST TERMINAL(10) FOR CONTROLLING GAS FLOW IN AN EXHAUST DUCT(12) HAS AN ELECTRICALLY DRIVEN LINEAR ACTUATOR FOR ANGULARLY POSITIONING A DAMPER(20) IN THE TERMINAL. DRIVE CIRCUITRY EMPLOYED IN THE PREFERRED EMBODIMENT PREVENTS THE POSSIBILITY OF SHORTING OUT THE ACTUATOR MOTOR(76) IN...

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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 CLEANING CLEANING IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL RANGES TRANSPORTING VENTILATING WEAPONS
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