| 摘要 |
<p>The filter element (1) has adjacent folds (12a, 12b) arranged at one of main folds (8a, 8b). The main folds are provided with four flanks (10a, 10b, 11a, 11b). The flanks are connected by a connecting section. Two of the four flanks (11a, 11b) are sectionally placed against a contact side (2) of the filter element. A height of each main fold is larger than a height of each adjacent fold. A plastic layer is provided in form of a plastic grid. An inlet channel (14) is defined by the flanks of the main folds.</p> |
