| 摘要 |
<p>The balance unit (1) has a semi-permeable membrane (12) held by a holding device and a sealing unit (2) for sealing against a housing. The holding device is formed by the sealing unit. The sealing unit exhibits a sealing seat (23) for insertion into an opening (9) of the housing. The sealing unit consists of a flexible material (21) i.e. elastomer (22). The sealing unit is designed as a stopper, and exhibits a circular groove (10) or a waist, which forms the sealing seat. A gap (20) is formed between the membrane and a protection unit (14).</p> |
