| 摘要 |
The invention relates to an outlet valve, in particular of a vacuum pump, comprising a main valve spring, which closes at least one outlet opening in a closed state of the outlet valve and which lifts off from the at least one outlet opening during the opening process of the outlet valve, and comprising a hold-down element, which functions as a stop for the main valve spring during the opening process, wherein at least one additional valve spring is arranged between the main valve spring and the hold-down element. The invention is characterized in that, in the closed state of the outlet valve, the additional valve spring is partially spaced apart from the main valve spring (11) in the opening direction, in particular is spaced apart from a free end of the main valve spring by means of a free end. |
