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Class Information
Number: 416/233
Name: Fluid reaction surfaces (i.e., impellers) > Specific blade structure (e.g., shape, material, etc.) > Hollow > Having brace means bridging cavity
Description: Apparatus wherein the shell encloses ribs or like reinforcing means extending between opposing walls of the cavity.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7607287 |
Airfoil acoustic impedance control |
Oct. 27, 2009 |
| 7600978 |
Hollow CMC airfoil with internal stitch |
Oct. 13, 2009 |
| 7597934 |
Corrosion coating for turbine blade environmental protection |
Oct. 6, 2009 |
| 7581929 |
Rotational airfoil balance system |
Sep. 1, 2009 |
| 7534089 |
Turbine airfoil with near wall multi-serpentine cooling channels |
May. 19, 2009 |
| 7497655 |
Turbine airfoil with near-wall impingement and vortex cooling |
Mar. 3, 2009 |
| 7481624 |
Butt connection for hollow profile members |
Jan. 27, 2009 |
| 7458780 |
Hollow fan blade for gas turbine engine |
Dec. 2, 2008 |
| 7413409 |
Turbine airfoil with weight reduction plenum |
Aug. 19, 2008 |
| 7399162 |
Wind turbine |
Jul. 15, 2008 |
| 7334998 |
Low-noise fan exit guide vanes |
Feb. 26, 2008 |
| 7303376 |
Turbine airfoil with outer wall cooling system and inner mid-chord hot gas receiving cavity |
Dec. 4, 2007 |
| 7281901 |
Free-form welded power system component |
Oct. 16, 2007 |
| 7258528 |
Internally cooled airfoil for a gas turbine engine and method |
Aug. 21, 2007 |
| 7195456 |
Turbine engine guide vane and arrays thereof |
Mar. 27, 2007 |
| 7189064 |
Friction stir welded hollow airfoils and method therefor |
Mar. 13, 2007 |
| 7179059 |
Blade for a wind turbine and a method of assembling laminated profiles for a blade |
Feb. 20, 2007 |
| 7153090 |
System and method for passive load attenuation in a wind turbine |
Dec. 26, 2006 |
| 7144222 |
Propeller |
Dec. 5, 2006 |
| 7104756 |
Temperature tolerant vane assembly |
Sep. 12, 2006 |
| 7070391 |
Hollow fan blade for gas turbine engine |
Jul. 4, 2006 |
| 7063506 |
Turbine blade with impingement cooling |
Jun. 20, 2006 |
| 7052238 |
Hollow fan blade for gas turbine engine |
May. 30, 2006 |
| 7018172 |
Airfoil surface impedance modification for noise reduction in turbofan engines |
Mar. 28, 2006 |
| 7008179 |
Turbine blade frequency tuned pin bank |
Mar. 7, 2006 |
| 6994524 |
Hollow fan blade for gas turbine engine |
Feb. 7, 2006 |
| 6994525 |
Hollow fan blade for gas turbine engine |
Feb. 7, 2006 |
| 6979180 |
Hollow component with internal damping |
Dec. 27, 2005 |
| 6969233 |
Gas turbine engine turbine nozzle segment with a single hollow vane having a bifurcated cavity |
Nov. 29, 2005 |
| 6805535 |
Device and method for producing a blade for a turbine and blade produced according to this method |
Oct. 19, 2004 |
| 6773231 |
Turbine blade core cooling apparatus and method of fabrication |
Aug. 10, 2004 |
| 6769875 |
Cooling system for a turbine blade |
Aug. 3, 2004 |
| 6669447 |
Turbomachine blade |
Dec. 30, 2003 |
| 6561459 |
Method of fabricating a wing of composite material |
May. 13, 2003 |
| 6544002 |
Method of chemical pretreatment of a lightweight jet engine fan blade |
Apr. 8, 2003 |
| 6513757 |
Wing of composite material and method of fabricating the same |
Feb. 4, 2003 |
| 6481972 |
Turbine bucket natural frequency tuning rib |
Nov. 19, 2002 |
| 6474944 |
Hollow nozzle partition with recessed end caps |
Nov. 5, 2002 |
| 6471480 |
Thin walled cooled hollow tip shroud |
Oct. 29, 2002 |
| 6454536 |
Adhesion enhancers to promote bonds of improved strength between elastomers metals in lightweight aircraft fan blades |
Sep. 24, 2002 |
| 6454533 |
Hollow blade for hydraulic turbine or pump |
Sep. 24, 2002 |
| 6386827 |
Nozzle airfoil having movable nozzle ribs |
May. 14, 2002 |
| 6364616 |
Submerged rib hybrid blade |
Apr. 2, 2002 |
| 6334705 |
Fluid mixing impellers with shear generating venturi |
Jan. 1, 2002 |
| 6287080 |
Elastomeric formulation used in the construction of lightweight aircraft engine fan blades |
Sep. 11, 2001 |
| 6233823 |
Method of making plastically formed hybrid airfoil |
May. 22, 2001 |
| 6155783 |
Hollow blade for hydraulic turbine or pump |
Dec. 5, 2000 |
| 6146097 |
Fan blade assembly for use with a ceiling fan drive unit |
Nov. 14, 2000 |
| 6056507 |
Article with brazed end plate within an open body end |
May. 2, 2000 |
| 6048174 |
Impact resistant hollow airfoils |
Apr. 11, 2000 |
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