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:
Jan. 19, 2016
Filed:
Oct. 11, 2011
Toshiki Kitano, Takasago, JP;
Yasushi Amano, Takasago, JP;
Toshiki Kitano, Takasago, JP;
Yasushi Amano, Takasago, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
Abstract
A sealing system is equipped with a dry gas seal having a rotating ring positioned between a casing and a rotor shaft and around the circumference of the rotor shaft, and stationary rings provided on the casing with elastic members interposed therebetween and so as to be capable of contacting the orthogonal edge surfaces of the rotating ring that are substantially orthogonal to the rotor shaft; a sealing gas channel having one end connected to a discharge channel, the other end connected so as to connect to a space between the casing and the outer perimeter surface of the rotating ring in the dry gas seal, and having a sealing gas regulating valve provided therein; and a drain gas channel having one end connected so as to connect to the space via a through hole formed in the casing below the rotating ring, and the other end connected to an intake channel.