HERMETICALLY SEALED RADIO ELECTRONIC UNIT Russian patent published in 1995 - IPC

FIELD: radio engineering; world ocean development. SUBSTANCE: casing 1 is made as shell with bottom and detachable cover 2. Bottom has through hole. Chassis plate has two screws 5 whose center lines are parallel to case axis, tubular insulating spacers 6, printed-circuit boards 3 mounted radio electronic components, and chassis plate base 7 in the form of disk. Screws 5 are secured in threaded holes of cover 2. Inner end of sealed entry 4 inside case is secured in hole of base 7 of chassis plate. Middle section of sealed entry passes through holes in bottom of shell 1 where it is sealed by means of sealing rings 8 and 9. Outer end of sealed entry 4 is threaded and has nut 10, washer 11, and end cap 12. Hermetically sealed radio electronic unit can be fastened to bearing frame of deep-water apparatus by means of clip 13. EFFECT: simplified design of unit. 1 dwg