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:
Nov. 30, 2021
Filed:
Aug. 24, 2020
GE Renewable Technologies, Grenoble, FR;
Philippe Girin, Grenoble, FR;
Armin Steinhilber, Grenoble, FR;
Other;
Abstract
This invention discloses in particular an actuation cylinder () for controlling the movement of a ring-gate () of a hydraulic machine, said actuation cylinder () comprising a body () forming a first chamber () provided with a first duct () and a second chamber () provided with a second duct () which are designed to receive an actuating fluid through said first duct () and said second duct (), said chambers being separated from one another by a piston () connected to an actuating rod () and able to move in said body in a first direction in which the volume of the second chamber increases while the volume of the first chamber decreases, and in a second direction in which the volume of the second chamber decreases while the volume of the first chamber increases, said piston being provided with a rod () connected in said second chamber to an area () of the piston turned toward said second chamber, said area () having a surface less than an area () of the piston turned toward the first chamber.