Reverse flow engine architecture

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11719247
SERIAL NO

17406216

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A reverse flow gas turbine engine has a low pressure (LP) spool and a high pressure (HP) spool arranged sequentially in an axial direction. The LP spool comprises an LP compressor disposed forward of an LP turbine and drivingly connected thereto via an LP compressor gear train. The HP spool comprises an HP compressor in flow communication with the LP compressor, and an HP turbine disposed forward of the HP compressor and drivingly connected thereto via an HP shaft.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
PRATT & WHITNEY CANADA CORPLONGUEUIL QUÉBEC J4G 1A1

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Plante, Ghislain Verdun, CA 31 200
Valois, Patrick Longueuil, CA 13 57

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 Feb 8, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Feb 8, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 8, 2035
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