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. 10, 2021
Filed:
Sep. 29, 2017
Kobe Steel, Ltd., Hyogo, JP;
Shunsuke Morinaka, Hyogo, JP;
KOBE STEEL, LTD., Hyogo, JP;
Abstract
A labyrinth seal includes a step portion, a high-puressure-side fin, a low-puressure-side fin and an annular groove. The step portion is formed in a portion of a second member on one side of the facing direction and faces a high-pressure side. The high-pressure-side fin is arranged on a high-pressure side relative to the step portion. The low-pressure-side fin is arranged on a low-pressure side relative to the step portion. The annular groove is formed in a portion of the second member on the one side of the facing direction and is arranged in at least a part of a region on the low-pressure side relative to the step portion as well as on the high-pressure side relative to the low-pressure-side fin.