Turbine incorporating endwall fences

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11125089
APP PUB NO 20200362713A1
SERIAL NO

16534724

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A turbomachinery apparatus includes: a turbine, including: a turbine component defining an arcuate flowpath surface; an array of axial-flow turbine airfoils extending from the flowpath surface, the turbine airfoils defining spaces therebetween; and a plurality of fences extending from the flowpath surface, in the spaces between the turbine airfoils, each fence having opposed concave and convex sides extending between a leading edge and a trailing edge, wherein the fences have a nonzero camber and a constant thickness, are axially located near the leading edges of adjacent turbine airfoils, and wherein at least one of a chord dimension of the fences and a span dimension of the fences is less than the corresponding dimension of the turbine airfoils.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
GENERAL ELECTRIC COMPANY1 RIVER ROAD SCHENECTADY NY 12345

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arnone, Andrea Florenece, IT 7 10
Bertini, Francesco Frossasco, IT 12 17
Clements, Jeffrey Donald Mason, US 66 713
Dailey, Lyle D Maineville, US 5 252
Giovannini, Matteo Pratovecchio, IT 1 2
Rubechini, Filippo Florence, IT 3 3
Vitt, Paul Hadley Liberty Township, US 33 240
Wadia, Aspi Rustom Loveland, US 48 1233

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Mar 21, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Mar 21, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 21, 2033
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00