ACTUATING HEAD OF FIRE EXTINGUISHER Russian patent published in 1994 - IPC

FIELD: powder-type fire extinguisher. SUBSTANCE: to actuate fire extinguisher, its pin is withdrawn and lever is pressed to handle. Plug is displaced and channel is opened. At the same time piston with needle moves. In so doing, perforation comes out of body of flexible bushing and compressed air from bottle rushes to reservoir through hollow annular recess, channel and fluffer. Compressed air forces fire extinguishing powder from reservoir through siphon tube and channel to hose which serves to direct powder jet to fire zone. EFFECT: higher efficiency. 1 dwg