| 摘要 |
<p>The invention relates to a filter element, wherein several layers (2, 3, 5; 7, 8) made of a filtering medium are joined contiguously in the direction of flow. At least one layer (2; 7) made of a filtering medium with high storage capacity and low degree of elimination is arranged on the inflow side and at least one layer (3; 8) made of a filtering medium with low storage capacity and high degree of elimination is arranged on the outflow side. Preferably, the inflow filtering medium should be made of a filter paper containing cellulose or of a melt blown material and the outflow filtering medium should be manufactured from a filter paper containing cellulose.</p> |
