| 摘要 |
<p>A filter device for damping pressure pulses or turbulence, eg. in a stream of liquid from a pump comprises a chamber (1,1a,1b) defining an enlarged region in a flow path (W1,W2). The chamber is shaped to allow formation of an air pocket (7,7a,7b). At least one spongy member is located in the chamber. <IMAGE></p> |
