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. 21, 2017
Filed:
Aug. 29, 2013
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;
Naoyuki Nagai, Tokyo, JP;
Satoshi Saburi, Tokyo, JP;
Takashi Sato, Tokyo, JP;
Daisuke Kiuchi, Hiroshima, JP;
Shinichiro Tokuyama, Hiroshima, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION, Tokyo, JP;
Abstract
Provided is a seal device configured to prevent leakage of a fluid on an outer circumferential surface of a rotary shaft in a direction along an axis of the rotary shaft. The seal device includes an annular main body section disposed in a circumferential direction of the rotary shaft, and a plurality of at least two kinds of holes formed in an inner circumferential surface of the main body section opening and facing to the outer circumferential surface of the rotary shaft, and having different depths.