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:
Aug. 06, 2019
Filed:
Oct. 10, 2014
Onesubsea Ip Uk Limited, London, GB;
Norbert Lenz, Celle, DE;
ONESUBSEA IP UK LIMITED, London, GB;
Abstract
Actuator for actuating a valve device comprising an electric drive () being operatively engaged to an actuating element () of the valve device, the electric drive () comprising at least one torque motor () which drives a hollow shaft () as an internal rotor, that positions a threaded drive () having a screw nut () and a threaded spindle () for converting the rotational movement of the hollow shaft () into a translational movement of the threaded spindle (), and the threaded spindle () acts upon the actuating element () for displacing the same, wherein the threaded drive () comprises an inverted roller screw (), and the screw nut () of the inverted roller screw () houses the threaded spindle () as a push rod.