Patent ID: 11862420
Assignee: SIEMENS ENERGY GLOBAL GMBH & CO. KG
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An interrupter unit for a circuit breaker, the interrupter unit comprising:
a gas-insulated housing configured to be filled with a quenching gas;
a gas-guiding structure disposed in said housing, said gas-guiding structure having a guide tube and at least one diverting element;
said guide tube extending in a tubular manner about a longitudinal axis of the interrupter unit to guide hot gas created in an electric arc region of the interrupter unit away from the electric arc region by using an electric arc to heat quenching gas, said guide tube having an open guide tube end facing away from the electric arc region;
said at least one diverting element configured to set the hot gas exiting from said guide tube in a circular flow running around the longitudinal axis;
said at least one diverting element being snail-shaped and projecting through said open guide tube end into said guide tube;
said at least one snail-shaped diverting element having a groove facing the electric arc region, said groove being formed as a conical spiral running around the longitudinal axis; and
said conical spiral having a diameter decreasing in a direction toward the electric arc region.