Abstract: An actuator or valve includes an inner member; an outer member around the normally rotatable inner member; the inner member including normally two spaced apart outwardly extending projections abutting with the outer member; the outer member including normally two inwardly extending projections abutting with the inner member, the projections defining a chamber therebetween; and the actuator further including a fluid port in communication with the chamber. The actuator/valve is normally made by straight profile cutting. The compact rotary actuator may be remotely operated.
Type:
Application
Filed:
February 15, 2011
Publication date:
August 18, 2011
Applicant:
NATIONAL OILWELL VARCO UK LIMITED
Inventors:
Carl Wood, Runi Joensen, George Senkbeil