Patent ID: 8183741

Claim:
A piezoelectric valve, comprising: a valve body comprising a rotatable plug; a drive body coupled to said valve body and operable to cause said rotatable plug to rotate about a rotational axis, said drive body comprising: a shaft disposed along said rotational axis, said shaft statically coupled to said plug and rotatably coupled to said drive body; a rotor assembly disposed about said rotational axis and rotatably coupled to said drive body; a first radial piezoelectric actuator disposed about said rotational axis and statically coupled to said drive body, said first radial piezoelectric actuator configured to frictionally engage an inner surface of said rotor assembly; a second radial piezoelectric actuator disposed about said rotational axis and statically coupled to said shaft, said second radial piezoelectric actuator configured to frictionally engage said inner surface of said rotor assembly.