Movement of a iron ring inside a toroidal solenoid
Toroidal inductors and transformers - Wikipedia
Gas production and purification technologies - Toroidal Ring at H2 vent stack. The toroidal ring was suggested by the API 521, page 74. Any one with experience with this device? However, I
NASA Technical Reports Server (NTRS) 19670000098: Toroidal ring prevents gas ignition at vent stack outlet : NASA Technical Reports Server (NTRS) : Free Download, Borrow, and Streaming : Internet Archive