| 摘要 |
<p>A constant pressure circuit (II) is fed by a pilot accumulator (1) via a valve (2a) in the constant pressure circuit also feeding another device (H). It can also feed, via a brake distributor (4) on the trailer brake cylinder. A feed valve (2b) is in the constant pressure circuit and controlled by a priority valve. This feeds the pressure deciding the position of the feed valve (2b) according to accumulator pressure. It cuts the supply to other devices in favour of the constant pressure circuit until the accumulator pressure falls to a given pressure.</p> |
