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:
Feb. 04, 2025
Filed:
May. 11, 2022
Electricite DE France, Paris, FR;
Julien Freychet, Rillieux la Pape, FR;
Mohand Adjemout, Lucé, FR;
Pascal Andre, Sablons sur Huisne, FR;
Mohamed-Amine Hassini, Bourg la Reine, FR;
Benoit De Laage De Meux, Villejuif, FR;
Electricite de France, , FR;
Abstract
The present invention relates to a rotary machine (), comprising a casing () delimiting an oil compartment (), a shaft (), a bearing (), an oil sealing device () located between the rotary portion () and the upper portion () of the casing (), characterised in that the oil sealing device () comprises at least one groove () for drawing in external air in the direction (S) of rotation of the shaft (), the groove () being located in the rotary portion () and/or in the upper portion () of the housing (), the rotary portion () not being in contact with the upper portion (), the groove () for drawing in external air being configured to draw air from the upstream end () to the downstream end () towards the compartment () when the shaft () rotates in the direction (S).