| 摘要 |
FIELD: detachable and inflatable vessels. SUBSTANCE: multisectional structure is brought in communication with external medium by means of one valve and is provided with INTERSECTION valves to ensure required circulation of filler. INTERSECTION assembly of opposite normally open check valves makes it possible to fill the structures at pressure drops lesser than that at minimum leakage at which it is set. Structures which are filled at pressure differentiates greater than that the valve assembly is set at, use valve assembly controlled by pressure available in structure and set at definite differential. Valve assembly is provided with pressure-controlled device which keeps valve which is likely to close in filling the structure with filler in open position till filling procedure is completed. Structures working at abrupt change in pressure of filler are provided with pressure sensor which has holes equalizing the pressure in sensor with that in structure, thus providing for fast fixation of valve. Intersection valves controlled by pressure available in structure make it possible only to fill structure with filler and filler cannot be additionally recharged without positively opening the valve after its closing. Parallel use of Intersection valves and valve assemblies set at definite pressure differentials makes it possible to obtain the same effect as in assembly of valves controlled by pressure available in structure and set at definite pressure differential. Manual triggering is effected by means of lever running through flexible wall; one arm, of lever is located inside section and is connected with valve by means of rod. Electric drive is controlled by signals furnished via electric conductors. Proposed devices may be used in vacuum equipment with no principal changes. EFFECT: ease in handling; enhanced reliability. |
