EXTINGUISHING CHAMBER FOR AN ELECTRIC PROTECTION APPARATUS AND ELECTRIC PROTECTION APPARATUS COMPRISING ONE SUCH CHAMBER Russian patent published in 2018 - IPC H01H9/30 

FIELD: electricity.

SUBSTANCE: invention relates to an arc extinguishing chamber for an electrical protection device includes an arc formation chamber containing a stationary contact and a movable contact which form an arc between them when separated, wherein said arc forming chamber communicates with an input of a second chamber, called an arc extinguishing chamber, at least one partition wall is disposed in a volume located downstream of said arc extinguishing chamber, said wall extending in the direction of the gas flow to separate the above-mentioned volume towards this gas stream, and at least one outlet opening for extinguishing gases that are discharged to the outside of the device.

EFFECT: separating wall or partition walls extends/extend to the panel of the device comprising the above mentioned outlet/outlets to divide in the flow direction of these outlets and thereby create, at least a first removal duct and a second removal duct, said ducts each being associated with an exhaust outlet and enabling a substantially complete separation to be achieved between a first flow and a second flow.

14 cl, 8 dwg