No electric current in stopped and locked positions + no gearbox needed looks like an ideal combo for actuators.
Interestingly, they never mention anything about the need of a pump for the fluid, and claim that their motors are "naturally" sealed.
No electric current in stopped and locked positions + no gearbox needed looks like an ideal combo for actuators.
Interestingly, they never mention anything about the need of a pump for the fluid, and claim that their motors are "naturally" sealed.
They mention a pump in the patent. "The pump 504 is configured to circulate dielectric fluid through the motor 506." See Fig. 6.