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Class Information
Number: 29/889.7
Name: Metal working > Method of mechanical manufacture > Impeller making > Blade making
Description: Process of manufacturing the individual fluid flow interacting members utilized in an impeller device.










Sub-classes under this class:

Class Number Class Name Patents
29/889.71 Composite blade 196
29/889.72 Hollow blade 183


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
5343619 Hollow blade for a turbomachine and method of manufacturing said blade Sep. 6, 1994
5327647 Method for setting pitch on a windmill airfoil Jul. 12, 1994
5326226 Continuous curve high solidity hydrofoil impeller Jul. 5, 1994
5313700 Forming a flow directing element for a turbine May. 24, 1994
5306897 Heat treatment method and apparatus for turbine blades using flexible heater sleeve Apr. 26, 1994
5299353 Turbine blade and process for producing this turbine blade Apr. 5, 1994
5285573 Method for manufacturing hollow airfoils (four-piece concept) Feb. 15, 1994
5275535 Ortho skew propeller blade Jan. 4, 1994
5269058 Design and processing method for manufacturing hollow airfoils Dec. 14, 1993
5253977 Multistage pump for two-phase effluents Oct. 19, 1993
5243758 Design and processing method for manufacturing hollow airfoils (three-piece concept) Sep. 14, 1993
5243759 Method of casting to control the cooling air flow rate of the airfoil trailing edge Sep. 14, 1993
5241230 Cooling fan with reduced noise capability in an AC generator Aug. 31, 1993
5225246 Method for depositing a variable thickness aluminide coating on aircraft turbine blades Jul. 6, 1993
5222297 Composite blade manufacture Jun. 29, 1993
5211530 Variable breadth impeller that provides a specific shutoff head May. 18, 1993
5210946 Leading edge protection for fan blade May. 18, 1993
5210944 Method for making a gas turbine engine component May. 18, 1993
5187967 Laser trimming of forgings Feb. 23, 1993
5183390 Method of forming a trailing edge on a steam turbine blade and the blade made thereby Feb. 2, 1993
5152059 Manufacture of cooled aerofoil blades Oct. 6, 1992
5146679 Method of converting grouped blading to equivalent integral covered blading Sep. 15, 1992
5144825 Elevated temperature envelope forming Sep. 8, 1992
5142778 Gas turbine engine component repair Sep. 1, 1992
5125811 Sintered iron-base alloy vane for compressors Jun. 30, 1992
5120197 Tip-shrouded blades and method of manufacture Jun. 9, 1992
5113582 Method for making a gas turbine engine component May. 19, 1992
5111576 Method of making a flexprop May. 12, 1992
5104293 Method for applying abrasive layers to blade surfaces Apr. 14, 1992
5101557 Method for machining rotors Apr. 7, 1992
5099573 Method of making hollow articles Mar. 31, 1992
5090870 Method for fluent mass surface texturing a turbine vane Feb. 25, 1992
5083371 Hollow metal article fabrication Jan. 28, 1992
5083903 Shroud insert for turbomachinery blade Jan. 28, 1992
5080558 Control stage nozzle vane for use in partial arc operation Jan. 14, 1992
5063662 Method of forming a hollow blade Nov. 12, 1991
5062205 Method of manufacture and repair of turbine blades Nov. 5, 1991
5060375 Method and device for riveting a shroud to the tips of rotor blades Oct. 29, 1991
5048183 Method of making and repairing turbine blades Sep. 17, 1991
5046245 Methods of fabricating impeller blades for mixing apparatus Sep. 10, 1991
5042968 Propeller blade subassembly and method for making a propeller blade subassembly Aug. 27, 1991
5035579 Water-turbine runner and process for manufacturing the same Jul. 30, 1991
5033938 Repaired turbine blade and method of repairing Jul. 23, 1991
5031313 Method of forming F.O.D.-resistant blade Jul. 16, 1991
5018271 Method of making a composite blade with divergent root May. 28, 1991
5014421 Contoured blade edge cutting method May. 14, 1991
4985992 Method of making stator stages for compressors and turbines, and stator vanes and vane arrays produced thereby Jan. 22, 1991
4951390 Turbine blade repair Aug. 28, 1990
4926710 Method of balancing bladed gas turbine engine rotor May. 22, 1990
4919593 Retrofitted rotor blades for steam turbines and method of making the same Apr. 24, 1990

1 2 3 4 5 6 7 8










 
 
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