公开(公告)号：US12209681B1

公开(公告)日：2025-01-28

申请号：US18347800

申请日：2023-07-06

Applicant: Watts Regulator Co.

Inventor： Markus Kröll

IPC: F16K31/04 ,  F16D7/02 ,  F16K31/44

Abstract: A torque limiting coupling assembly shields a valve actuator from abnormally high levels of torque. In normal operation, an actuator coupling transfers a driving torque from an actuator coupling to a valve shaft coupling and the valve shaft coupling engenders a shaft torque on a shaft of a valve. In torque actuated operation, when a counter torque applied to the shaft coupling exceeds a threshold value, the actuator coupling freely rotates relative to the valve shaft coupling and the driving torque is transferred to a biasing element of the torque limiting coupling assembly rather than to the valve shaft coupling, thereby shielding the valve or the actuator from high levels of torque.