Saudi arabian oil company (20240426393). TORQUE-LIMITER COUPLING FOR VALVE ACTUATOR
TORQUE-LIMITER COUPLING FOR VALVE ACTUATOR
Organization Name
Inventor(s)
Mahdi Y. Dobaisi of Shaybah (SA)
Hamzah M. Moqdad of Shaybah (SA)
TORQUE-LIMITER COUPLING FOR VALVE ACTUATOR
This abstract first appeared for US patent application 20240426393 titled 'TORQUE-LIMITER COUPLING FOR VALVE ACTUATOR
Original Abstract Submitted
a valve actuator system includes a gearbox assembly including an output gear for coupling to a valve stem, an input gear operably coupled to the output gear to drive rotation of the output gear and an input shaft operably coupled to the input gear to drive rotation of the input gear, a torque-limiter coupling having a solid body defining a proximal end and a distal end, the proximal end including a recessed interior accepting the input shaft of the gearbox assembly, a retainer extending between the torque-limiter coupling and the input shaft to transmit torque therebetween, the retainer operable to disengage the torque-limiter coupling from the input shaft in response to a torque applied to the torque limiter-coupling exceeding a critical torque predetermined to prevent damage to the gearbox assembly, and an actuator operatively coupled to the proximal end of the torque-limiter coupling to provide torque to the torque-limiter coupling.