| 摘要 |
<p>The method involves separating excess powder from the delivered air with a filter, adding fresh powder (3) to the separated powder, uniformly mixing them with an ultrasonic sieve (5) under gravity then passing the mixed powder to a closable fluid container (6) under gravity, then feeding the mixture by compressed air to the powder pistol of the powder coating system. Independent claims are also included for a powder recovery unit and for a powder recovery system.</p> |
