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. 16, 1999
Filed:
Apr. 30, 1997
Shigemi Mandai, Hyogo-ken, JP;
Tetsuo Gora, Hyogo-ken, JP;
Satoshi Tanimura, Hyogo-ken, JP;
Yoshichika Sato, Hyogo-ken, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
In a tail pipe of gas turbine combustor, the portion just in front of the outlet 104 of tail pipe of gas turbine combustor has a shape such as to be inclined with respect to the axial direction so that the direction changes from the rearward direction to the direction toward the rear in the substantially axial direction, and at this portion, the position of center of curvature 103 in the axial direction on the rotor side lies on the upstream side from the position of center of curvature 102 on the casing side, a bent portion of tail pipe serves as a suction duct, and the occurrence of a negative pressure zone is prevented. Also, by using the tail pipe, a combustor inner tube or a burner provided on the upstream side of the tail pipe having a straight or substantially straight axis is disposed so that the axis of the combustion inner tube or the burner makes an angle with respect to the axis of the tail pipe in such a manner that combustion gas collides with the back side of the tail pipe.