QUICK-DETACHABLE UNIT Russian patent published in 2002 - IPC

FIELD: rocketry; devices for separation of cryogenic mains of rocket. SUBSTANCE: quick-detachable unit consists of on-board and ground blocks. On-board block consists of plate and pipe unions secured on this plate. Ground block consists of plate, pipe unions secured on this plate and lock. Pipe unions are coupled together. Cavity between plates is bounded by elastic sealing member. In center of plate there is lock secured in hole; this lock has body with bypass passages in its butt for connecting the cavity between plates with cavity of lock, balls and spring-loaded locking bushes and pneumatic cylinder with piston and pipe union. Pneumatic cylinder and housing are fastened by means of detachable safety clutch. EFFECT: avoidance of icing of lock members during transfer of low- temperature medium, for example liquid oxygen. 1 dwg