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Class Information
Number: 29/889.722
Name: Metal working > Method of mechanical manufacture > Impeller making > Blade making > Hollow blade > With cooling passage > Passage contains tubular insert
Description: Process wherein the cooling passage receives therein a hollow cylindrical member.


Patents under this class:

Patent Number Title Of Patent Date Issued
7410342 Airfoil support Aug. 12, 2008
7121796 Nozzle-cooling insert assembly with cast-in rib sections Oct. 17, 2006
7093359 Composite structure formed by CMC-on-insulation process Aug. 22, 2006
6986644 Hard material impeller and methods and apparatus for construction Jan. 17, 2006
6742984 Divided insert for steam cooled nozzles and method for supporting and separating divided insert Jun. 1, 2004
6610385 Integral surface features for CMC components and method therefor Aug. 26, 2003
6539627 Method of making turbulated cooling holes Apr. 1, 2003
6453557 Method of joining a vane cavity insert to a nozzle segment of a gas turbine Sep. 24, 2002
6339879 Method of sizing and forming a cooling hole in a gas turbine engine component Jan. 22, 2002
6265022 Process of plugging cooling holes of a gas turbine component Jul. 24, 2001
6227801 Turbine engine having improved high pressure turbine cooling May. 8, 2001
6193465 Trapped insert turbine airfoil Feb. 27, 2001
6120244 Structure and method for inserting inserts in stationary blade of gas turbine Sep. 19, 2000
5755031 Method for attaching a rotor blade to an integrally bladed rotor May. 26, 1998
5511309 Method of manufacturing a turbine airfoil with enhanced cooling Apr. 30, 1996
5448829 Hollow titanium blade manufacturing Sep. 12, 1995
5145315 Gas turbine vane cooling air insert Sep. 8, 1992
4447466 Process for making plasma spray-cast components using segmented mandrels May. 8, 1984
4440834 Process for the manufacture of turbine blades cooled by means of a porous body and product obtained by the process Apr. 3, 1984
4418455 Method of manufacturing a fluid cooled blade or vane Dec. 6, 1983
4370789 Fabrication of gas turbine water-cooled composite nozzle and bucket hardware employing plasma spray process Feb. 1, 1983
4283822 Method of fabricating composite nozzles for water cooled gas turbines Aug. 18, 1981
4249291 Method for forming a liquid cooled airfoil for a gas turbine Feb. 10, 1981
4195396 Method of forming an airfoil with inner and outer shroud sections Apr. 1, 1980
4185369 Method of manufacture of cooled turbine or compressor buckets Jan. 29, 1980
4137619 Method of fabricating composite structures for water cooled gas turbine components Feb. 6, 1979



 
 
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