| 摘要 |
The invention relates to a pneumatic operating unit for compressed-air brakes, having a housing, having at least one piston, having at least one piston rod, having at least one valve body, having at least one valve seat, that housing having at least one exterior compressed-air connection device. The invention is characterized by the following characteristics: The operating unit comprises at least one cylinder body, the cylinder body is fitted into the housing, the cylinder body is designed such that it can accommodate at least one piston or comprises at least one valve seat are can accommodate such a valve seat and simultaneously can accommodate at least one valve body, the cylinder body has at least one transverse connection from its interior to its surface, in the axial direction, the cylinder body is sealed off between two transverse directions with respect to the housing, so that the transverse directions are sealed off with respect to one another, the housing has at least one air-carrying connection from the transverse connection of the cylinder body to the exterior connection device
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