| 摘要 |
An actuator ( 10 ) and adapter ( 16,116 ), in particular with an electric motor ( 60 ), and a highly reduced gearing ( 48 ), is used for transmitting a torque to a continuous drive shaft ( 24 ) of at least one flap or at least one valve to control a gas or liquid volume flow. The adapter ( 16,116 ) which is used in particular in the sector of heating/ventilation/air-conditioning (HVAC), fire and space protection can be fitted in a manner which is locked against rotation in the radial direction to a frame or support of the actuated member. With the drive shaft ( 24,124 ) it forms a releasable frictional and/or positive connection. The actuator is preferably actuated by an electric actuator motor but also pneumatically, hydraulically or manually. The actuator ( 10 ) and adapter ( 16,116 ) can optionally be used as a bridging drive.
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