| 摘要 |
The invention relates to a door closer for opening and/or closing a door, comprising a closer shaft, which can be coupled to the door, at least one piston, which is operatively connected to the closer shaft and arranged movably inside a housing, at least one spring, which is connected to a spring adjustment, wherein the spring adjustment is operatively connected to a gearbox (8, 9), at least one solenoid valve (6), which is arranged on the spring side of the door closer, wherein the gearbox (8, 9) is arranged following the spring space and situated in the valve block (5) of the solenoid valve (6). |
