MULTI-UNION DETACHABLE UNIT Russian patent published in 1999 - IPC

FIELD: space engineering; units of hydraulic systems; mechanical engineering. SUBSTANCE: multi-union unit includes on-board and change plate with longitudinal passages in their bodies; passages are provided with shut-off valves and centering members. Plates are connected by means of shut-off device. On-board and change plates are made in form of main and additional bodies for rotation relative to each other. Additional bodies of on board and change plates have additional longitudinal passages with shut-off valves. Each additional passage in additional body of change plate is brought in communication with its main passage through intermediate cavity provided between main and additional bodies. EFFECT: enhanced reliability. 3 dwg