Ventilation of a high-pressure turbine in a turbomachine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9004852
SERIAL NO

13125154

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A turbomachine high-pressure turbine including a rotor disc with upstream and downstream annular flanges separating a radially internal annular cavity in which the hub of the disc extends from two radially external annular cavities, of which one is upstream of the disc and receives a ventilation air flow and of which the other is downstream of the disc, the upstream flange of the disc including a mechanism connecting to the upstream eternal cavity and the internal cavity for ventilating the hub of the disc.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • SNECMA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dakowski, Mathieu Noiseau, FR 15 86
Garin, Fabrice Boissise la Bertrand, FR 6 57
Roussin-Leroux, Delphine Samois sur Seine, FR 3 18
Schweblen, Wilfried Chateaubleau, FR 1 8

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 14, 2026
Fee Large entity fee small entity fee micro entity fee
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