The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 2022
Filed:
Jan. 18, 2017
Applicant:
Electrical Subsea & Drilling As, Straume, NO;
Inventor:
Egil Eriksen, Ål, NO;
Assignee:
Electrical Subsea & Drilling AS, Straume, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/035 (2006.01); E21B 33/064 (2006.01); F16K 31/04 (2006.01); F16K 31/53 (2006.01); F16H 25/22 (2006.01); E21B 33/06 (2006.01); F16H 1/46 (2006.01);
U.S. Cl.
CPC ...
F16K 31/047 (2013.01); E21B 33/035 (2013.01); E21B 33/06 (2013.01); E21B 33/064 (2013.01); F16H 25/2252 (2013.01); F16K 31/046 (2013.01); F16K 31/53 (2013.01); F16H 1/46 (2013.01);
Abstract
A force actuator including an actuator housing, in which, via transmission elements, an electric motor is arranged to drive a displaceable roller screw along the longitudinal axis of the force actuator, and in which a rotatable roller cage which is in engagement with the transmission elements is provided with at least one threaded roller, the threaded roller being in threaded engagement with the roller screw, and the roller screw being prevented from rotating around the longitudinal axis.