PYROTECHNIC FLYING WORKPIECE WITH REACTIVE THRUST Russian patent published in 2004 - IPC

FIELD: the workpiece is applicable for creation of entertainment firework effects and giving of various warning signals.

SUBSTANCE: the pyrotechnic workpiece has a container with a pyrotechnic equipment, jet engines including a body, charge in an envelope and a nozzle, as well as a flight stabilizing fin. The envelope height makes up 0.1 to 0.7 of the charge height, the open section of the charge and the body form an annular gap, and the nozzle diameter is equal to less than the body inside diameter. Such a structure of the engine makes it possible to adjust the thrust value within a wide range and enhance the reliability of its operation due to a low pressure in the combustion chamber. It enhances the workpiece flight stability in all portions of the trajectory and provides its individual use.

EFFECT: simplified structure and enhanced adaptability to manufacture providing automatic production at manufacture of the workpiece.

2 dwg