| 摘要 |
<p>PCT No. PCT/GB92/01051 Sec. 371 Date Jan. 25, 1994 Sec. 102(e) Date Jan. 25, 1994 PCT Filed Jun. 11, 1992 PCT Pub. No. WO92/22762 PCT Pub. Date Dec. 23, 1992.A blade for an isolator, in particular for a diverter or flap isolator, which comprises a plurality of plate arms (21) to be attached to an isolator shaft (31), and a pair of plates (22), preferably comprising an array of panels, attached to the plate arms (21) and separated by a gas space (23). The plates (22) are suitably provided with insulation (27) retained by cladding (28). The blade plates (22) will usually be provided with convolutions (24) to give them improved stiffness, and the blade plates will furthermore be welded or otherwise secured together by fastening means such as a series of short tubes (25) extending therebetween.</p> |
