PELLET INJECTOR Russian patent published in 1995 - IPC

FIELD: injection of pellet fuel into plasma of fusion reactors. SUBSTANCE: outlet end of elastic pile of injector is secured in hinge for angular and axial displacement and its other end is placed in a spaced relation to and coaxial with outlet hole of extruder; it is made as shut-off element and as seal with gas valve piping and joined with actuator for axial and radial displacement; extruder and valve piping are separated by vacuum gap. EFFECT: improved reliability and extended operating time of pellet injector. 3 cl, 2 dwg