METHOD OF PROTECTION OF BEARING SUPPORTS OF ROTOR OF POWDER GYROSCOPIC INSTRUMENT AND POWDER GYROSCOPIC INSTRUMENT Russian patent published in 2001 - IPC

FIELD: control over guided rocket projectiles. SUBSTANCE: during assembly of instrument axial play in bearing supports is increased by value of difference of axial temperature deformations of parts of rotor and internal frame of gimbal suspension in interval of working temperatures. Axial play is additionally increased by pressure of powder gases issued from rotor during acceleration of rotor. With this in mind internal frame of gimbal suspension of gyroscopic instrument is manufactured with elastic plastic lids having throttle holes and steel rings with radial holes located in plane of nozzles of rotor and is placed equidistantly to external surface of rotor forming closed space with it. Bearing support has flanges contacting elastic lids along axis of rotor. Thrust rings are attached to these flanges. EFFECT: prolonged operational life of instrument thanks to reduced friction in bearing supports. 2 cl, 3 dwg