| 摘要 |
<p>A system for guarding against the leakage of fluid from a hydraulic system, particularly an aircraft braking system which employs a flow control valve (10) under the control of an electronic processor (14). The electronic processor integrates with respect to time a function of the input signal (I) to the flow control valve and the pressure (PB) of the output of fluid, compares the value of the integrated function with a predetermined value, and effects closure of the control valve if the comparison indicates a substantial fluid loss.</p> |
