| 摘要 |
A door operator includes a housing having a reception compartment, a pressure compartment, a hydraulic compartment providing a reservoir volume, a drive unit disposed in the reception compartment and coupleable to a door via an output shaft, a hydraulic pump in hydraulic connection with the pressure compartment and the hydraulic compartment, a motor in driving relationship with the hydraulic pump, and a spring force accumulator disposed in the housing. The spring force accumulator is associated with the pressure compartment and coupled to the drive unit. The reception compartment has an area having a diameter greater than a diameter of any other area of the reception compartment, and the drive unit is disposed in the area. |
