| |
 |
|
Class Information
Number: 416/228
Name: Fluid reaction surfaces (i.e., impellers) > Specific blade structure (e.g., shape, material, etc.) > Tined or irregular periphery
Description: Apparatus wherein the impeller* (1) comprises a plurality of elongate rod-like working members* projecting from a common carrier* or (2) is so shaped as to define an edge outline which markedly deviates from a smooth configuration.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7607893 |
Counter tip baffle airfoil |
Oct. 27, 2009 |
| 7600974 |
Radial blade wheel |
Oct. 13, 2009 |
| 7600975 |
Turbine and rotor therefor |
Oct. 13, 2009 |
| 7575411 |
Engine intake air compressor having multiple inlets and method |
Aug. 18, 2009 |
| 7556477 |
Bi-layer tip cap |
Jul. 7, 2009 |
| 7549837 |
Impeller for centrifugal pump |
Jun. 23, 2009 |
| 7547193 |
Rotor blade assembly with high pitching moment airfoil section for a rotary wing aircraft |
Jun. 16, 2009 |
| 7540716 |
Rotor blade for a wind power plant |
Jun. 2, 2009 |
| 7513746 |
Windmill blade shaping and mounting to enhance performance |
Apr. 7, 2009 |
| 7513750 |
Rotor blade tip planform |
Apr. 7, 2009 |
| 7484937 |
Compressor blade with reduced aerodynamic blade excitation |
Feb. 3, 2009 |
| 7476081 |
Centrifugal compressing apparatus |
Jan. 13, 2009 |
| 7458777 |
Wind turbine rotor assembly and blade having acoustic flap |
Dec. 2, 2008 |
| 7438522 |
Fan |
Oct. 21, 2008 |
| 7425113 |
Pressure and current reducing impeller |
Sep. 16, 2008 |
| 7416386 |
Heat dissipation apparatus |
Aug. 26, 2008 |
| 7413408 |
Vibration-reducing and noise-reducing spoiler for helicopter rotors, aircraft wings, propellers, and turbine blades |
Aug. 19, 2008 |
| 7393182 |
Composite tip shroud ring |
Jul. 1, 2008 |
| 7381027 |
Fan motor |
Jun. 3, 2008 |
| 7377751 |
Cooling fan and shroud with modified profiles |
May. 27, 2008 |
| 7374403 |
Low solidity turbofan |
May. 20, 2008 |
| 7360995 |
Vertical axis windmill |
Apr. 22, 2008 |
| 7351039 |
Compressor rotor blade |
Apr. 1, 2008 |
| 7331765 |
Two-sweep rotary wing blade with limited taper ratio |
Feb. 19, 2008 |
| 7331758 |
Blower |
Feb. 19, 2008 |
| 7316502 |
Mixing blade, blending apparatus, and method of mixing |
Jan. 8, 2008 |
| 7290986 |
Turbine airfoil with curved squealer tip |
Nov. 6, 2007 |
| 7281894 |
Turbine airfoil curved squealer tip with tip shelf |
Oct. 16, 2007 |
| 7278824 |
Pump for molten materials with suspended solids |
Oct. 9, 2007 |
| 7247001 |
Impeller |
Jul. 24, 2007 |
| 7214033 |
Blower fan |
May. 8, 2007 |
| 7179053 |
Air-blowing apparatus of cleaner |
Feb. 20, 2007 |
| 7179057 |
Velocity profile impeller vane |
Feb. 20, 2007 |
| 7179050 |
Radial fan |
Feb. 20, 2007 |
| 7165945 |
Braided spar for a rotor blade and method of manufacture thereof |
Jan. 23, 2007 |
| 7163374 |
Blower fan structure |
Jan. 16, 2007 |
| 7147433 |
Profiled blades for turbocharger turbines, compressors, and the like |
Dec. 12, 2006 |
| 7125226 |
Impeller for radial-flow heat dissipating fan |
Oct. 24, 2006 |
| 7125220 |
Axial-flow type fan having an air outlet blade structure |
Oct. 24, 2006 |
| 7114925 |
Impeller vane configuration for a centrifugal pump |
Oct. 3, 2006 |
| 7083382 |
Vertical axis wind turbine |
Aug. 1, 2006 |
| 7070388 |
Inducer with shrouded rotor for high speed applications |
Jul. 4, 2006 |
| 7059833 |
Method for improvement of the efficiency of a wind turbine rotor |
Jun. 13, 2006 |
| 7048494 |
Turbine fuel pump |
May. 23, 2006 |
| 6994523 |
Air blower apparatus having blades with outer peripheral bends |
Feb. 7, 2006 |
| 6991430 |
Turbine blade with recessed squealer tip and shelf |
Jan. 31, 2006 |
| 6986643 |
Blower and the blade structure thereof |
Jan. 17, 2006 |
| 6986642 |
Extreme mu rotor |
Jan. 17, 2006 |
| 6981843 |
Axial-flow fan structure |
Jan. 3, 2006 |
| 6974309 |
Straight wing type wind and water turbine |
Dec. 13, 2005 |
|
|
|
