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US6129002A Valve arrangement, especially for a pneumatic control system 失效
阀门布置,特别适用于气动控制系统

Valve arrangement, especially for a pneumatic control system
摘要:
A valve arrangement including a micro-valve at an intake opening and a fuer valve at an output opening of a chamber connecting to a pressure-variable switching member, the valves being structured to maintain a closed state by an applied pressure difference. At least the micro-valve is provided with a closure member which can be energized to affect a change-over from one state to another. No energy is required to maintain the changed-over state.
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