| 摘要 |
<p>PCT No. PCT/EP89/00571 Sec. 371 Date Nov. 27, 1990 Sec. 102(e) Date Nov. 27, 1990 PCT Filed May 24, 1989 PCT Pub. No. WO89/11917 PCT Pub. Date Dec. 14, 1989.An apparatus for generating a very thin mist of powder with a device for measuring the flow of powder from a supply container and controlling the flow of the powder to an atomization chamber, which includes a device for periodically diverting the flow of the powder past the measuring device so as to determine the effects of aging and impurities on the measuring device and to compensate the measuring device for such effects.</p> |
