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. 07, 2016
Filed:
Mar. 16, 2011
Yoshihiko Mutou, Akashi, JP;
Ryozo Tanaka, Kakogawa, JP;
Yoshihiko Mutou, Akashi, JP;
Ryozo Tanaka, Kakogawa, JP;
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Hyogo, JP;
Abstract
A seal mechanism is provided which comprises a structure capable of accommodating radial expansions of turbine rotor without increasing an axial size thereof and providing a reliable sealing property for the turbine rotor for a long time. The seal mechanism comprises a labyrinth sealdefined by a projectionprovided on the turbine rotorB, an outer memberprovided radially outward of the projection and supported for displacement in a radial direction, and an inner memberprovided radially inward of the projection and supported for displacement in the radial direction. A thermal expansion rate of the inner member is greater than that of the outer member.