1,116,636. Induction heating. BROWN, BOVERI & CO. Ltd. 21 Oct., 1965 [23 Oct., 1964], No. 44565/65. Heading X5H. In order to obtain undisturbed continuous operation of an induction furnace, when a defect occurs, the coil and crucible (and possibly, also, the cores forming the ...
(HVAC air filters aren’t always installed within the return vent covers as we found in this particular home, by the way. They can very commonly be installed within your furnace as well, making this part of my particular installation irrelevant in some cases – but it’s still worth pointin...