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. 03, 2004
Filed:
Sep. 09, 2002
Applicant:
Inventors:
Kazuo Uematsu, Takasago, JP;
Takeaki Ohya, Takasago, JP;
Assignee:
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 1/18 ;
U.S. Cl.
CPC ...
F01D 1/18 ;
Abstract
A tube seal is fitted with a spherical spring, being an elastic member, at one end of a tubular barrel. The end where the spring is fitted to the tubular barrel is inserted into a steam supply pipe outlet, which is a coolant passage provided in a rotor disk. The other end of the barrel is formed into a spherical shape, and this end is inserted into a steam supply port in a dynamic blade, being another coolant passage port, and abuts against the internal surface of the steam supply port.