73117156
Feb 25, 1977
Jun 20, 1978
HEAT TRANSFERS AND THERMAL STORAGE SEALED TANKS OR VESSELS; HEAT TRANSFER AND THERMAL STORAGE SYSTEMS COMPRISED OF ELECTRIC HEATERS (FOR HEATING WATER), HOT WATER STORAGE TANKS (FOR STORING HEATED WATER), PUMPS (FOR CIRCULATING HEATED WATER AND REMOVING HEAT FORM STORAGE), AND CONTROL COMPONENTS (FOR SENSING WATER TEMPERATURES, SENSING ELECTRICAL LOAD AND CONTROLLING IN COGNIZANCE OF TIME AND MAXIMUM DEMAND, AND SENSITIVE TO REMOTE SIGNALS
Environmental Control Apparatus