Patent ID: 11964735
Assignee: WAVETAMER LLC
Field: Measurement (Instruments)
Classification: CPC B  G | IPC B

Claim 5:
6. A gyroscopic boat roll stabilizer configured to be installed in a boat, comprising:
a gimbal including a support frame and enclosure configured to precess about a gimbal axis;
a flywheel assembly rotatably mounted inside the enclosure for generating a torque that is applied to counter a rolling motion of the boat;
a braking system for controlling precession of the enclosure, the braking system comprising:
an actuator comprising:
a fluid cylinder configured to resist precession of the enclosure about the gimbal axis; and
a valve mounted to the fluid cylinder so as to move with the fluid cylinder as the enclosure rotates about the gimbal axis, the valve being disposed in a fluid flow path between a first port of the fluid cylinder and a second port of the fluid cylinder.