Patent ID: 11927238
Assignee: RIVERHAWK COMPANY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 36:
37. An internal viscous rotational damping (VRD) assembly for transmitting torque from a drive member connector to a load member connector, wherein the drive member connector is coupled to a driving input shaft, and wherein the load member connector is coupled to a driven output shaft, the internal VRD assembly comprising:
a spacer tube including a first end and a second end, wherein the first end of the spacer tube is connected to the drive member connector, wherein the second end of the spacer tube is connected to the load member, and wherein the spacer tube includes a longitudinal axis and an inner surface that extends along the longitudinal axis;
a damper bar disposed within the spacer tube, wherein the damper bar extends between the first end of the spacer tube and the second end of the spacer tube, wherein the damper bar includes an outer surface, and wherein the damper bar includes a first end fixedly connected to one of the first end of the spacer tube or the second end of the spacer tube, wherein the damper bar includes a second end not fixedly connected to the other of the first end of the spacer tuber or the second end of the spacer tube, wherein a cavity is defined between the outer surface of the damper bar and the inner surface of the spacer tube, and wherein the cavity is configured for receiving a viscous fluid;
a cap disposed adjacent to the second end of the damper bar; and
a shunt installed between the second end of the damper bar and the cap, wherein the shunt is configured to allow the damper bar to twist to provide protection against over-torque between the drive member connector and the load member connector.