| 摘要 |
<p>A cooling system to be arranged on board a track-bound vehicle has a cooling liquid circulating main loop with a pump (6), a heat sink (3) and heat exchanger (7). It has also a by-pass (9) configured to conduct a minor portion of the cooling liquid flow past part of the main loop and an expansion vessel (10) forming part of said by-pass. The expansion vessel is configured to have an air-cushion (14) in the volume thereof above a surface of said cooling liquid therein. The expansion vessel has a porous body surrounding a rising portion of an inlet tube(16)with apertures.</p> |
