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, 2005
Filed:
Oct. 08, 2002
Applicant:
Frederick R. Joslin, Glastonbury, CT (US);
Inventor:
Frederick R. Joslin, Glastonbury, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D001/09 ;
U.S. Cl.
CPC ...
Abstract
A vane cluster for a turbine engine compressor or turbine includes a shroudwith a nonlinear slotextending therethrough to divide the shroud into thermally independent shroud segments. The slot is bordered by matching nonlinear surfacesthat are easy and inexpensive to produce with conventional wire EDM equipment. The nonlinear profile of the slots effectively resists fluid leakage.