ELECTRIC CONTROLS FOR FURNACES, NAMELY - FLUIDIZED FURNACE BED SUPERVISORY SYSTEM, WHICH SYSTEM IS SOLD AS A UNIT AND COMPRISES A COMMAND INITIATIVE UNIT; DECISION MAKING LOGIC SUPERVISING SOLID FUEL DELIVERY SYSTEM COMPRISING IGNITOR TRANSFORMERS, FUEL VALVE DRIVES, AIR DAMPER DRIVES AND FAN AND BLOWER MOTOR STARTERS; AND PRIMARY SENSING ELEMENTS, NAMELY - COMBUSTION CHAMBER THERMOCOUPLES, PROCESS THERMOCOUPLES, LIMIT SWITCHES, PRESSURE SENSORS, FLOW DETECTORS, LEVEL SENSORS AND LOSS-OF-POWER SENSORS

'air':38 'bed':8 'blower':44 'chamber':53 'combust':52 'command':21 'compris':19,32 'control':2 'damper':39 'decis':24 'deliveri':30 'detector':62 'drive':37,40 'electr':1 'element':50 'fan':42 'flow':61 'fluidiz':6 'fuel':29,35 'furnac':4,7 'ignitor':33 'initi':22 'level':63 'limit':57 'logic':26 'loss':67 'loss-of-pow':66 'make':25 'motor':45 'name':5,51 'power':69 'pressur':59 'primari':48 'process':55 'sens':49 'sensor':60,64,70 'sold':14 'solid':28 'starter':46 'supervis':27 'supervisori':9 'switch':58 'system':10,12,31 'thermocoupl':54,56 'transform':34 'unit':17,23 'valv':36

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