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:
Oct. 14, 2008
Filed:
Jan. 11, 2006
Applicant:
David A. Welch, Quaker Hill, CT (US);
Inventor:
David A. Welch, Quaker Hill, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/40 (2006.01); F01D 25/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a turbine engine component, such as a duct pipe, comprising an annular flange, at least one element, such as two duct pipe halfs, to be mated to the flange, and mating system for joining the at least one element to the flange. The mating system includes a first annular groove in the flange, which groove has two opposed planar wall portions for preventing axial movement of the at least one element relative to the flange. In a preferred embodiment, the mating system also includes a second annular groove in the flange. A sealing element is positioned within the second annular groove.