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:
Jun. 28, 2016
Filed:
Aug. 31, 2012
Eiichi Tsutsumi, Tokyo, JP;
Kenichi Arase, Tokyo, JP;
Eiichi Tsutsumi, Tokyo, JP;
Kenichi Arase, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
A seal structure of a rotary machine is such that: an outer circumference side member has a ring-shaped flange which projects radially inward and extends about the axis; an inner circumference side member has a flange which is of a ring shape projecting radially outward and extending about the axis, and which is opposite to the flange of the outer circumference side member from the axial direction; in either flange, there is formed a ring-shaped groove part which is recessed from the end surface facing the other flange; in the groove part, a ring-shaped seal body advances and retracts to come in contact with the other flange; and there is a first biasing device biasing body toward the other flange side, and a second biasing device biasing it toward the wall surface of the groove part.