| 摘要 |
<p>A pneumatic control for automatically repeating an operational cycle, especially a movement cycle, comprising a series connection of a logical NOT-element and at least two logical timing-elements, each timing element having a respective throttle, volume chamber and identity-element, means for feeding essentially the same input reference signal to the input side of the identity-element, a supply conduit for a supply pressure with which the NOT-element is connected, the last logical timing-element having an outlet, and a switching conduit for connecting the outlet of the last timing-element of the control with the NOT-element.</p> |
