| 摘要 |
<p>PCT No. PCT/GB87/00870 Sec. 371 Date Oct. 11, 1988 Sec. 102(e) Date Oct. 11, 1988 PCT Filed Dec. 3, 1987 PCT Pub. No. WO88/04390 PCT Pub. Date Jun. 16, 1988.A fluid system for example for steam raising comprising a flow control device (20), means (28) to supply a head of fluid to the flow control device (20), and at least one fluid using means such as a flash boiler (12-14), the flow control device (20) comprising a chamber (48), an inlet (49) to the chamber from the fluid supply means (28), and an outlet (21-23) from the chamber (48), a valve means (40) associated with the outlet (21-23) operable to direct fluid from the outlet (21-23) either to the fluid using means (12-14) or to a relief means (43-45).</p> |
