Invention Grant
- Patent Title: Optimized aerodynamic profile for an arm of a structural casing of a turbine, and structural casing having such an arm
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Application No.: US15975984Application Date: 2018-05-10
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Publication No.: US10669871B2Publication Date: 2020-06-02
- Inventor: Maxime Didier Delabriere , Daniel Marius Man , Pascal Pierre Nicolas Routier , Guillaume Jochen Scholl , Renaud Gabriel Constant Royan
- Applicant: Safran Aircraft Engines
- Applicant Address: FR Paris
- Assignee: Safran Aircraft Engines
- Current Assignee: Safran Aircraft Engines
- Current Assignee Address: FR Paris
- Agency: Bookoff McAndrews, PLLC
- Main IPC: F01D9/04
- IPC: F01D9/04 ; F02K1/78 ; F01D25/16 ; F01D5/14

Abstract:
When cold and in the non-coated state, the aerodynamic profile is substantially identical to a nominal profile determined by the Cartesian coordinates X,Y, Zadim given in Table 1, in which the coordinate Zadim is the quotient D/H where D is the distance of the point under consideration from a first reference plane P0 situated at the base of the nominal profile, and H is the height of said profile measured from the first reference plane to a second reference plane P1. The measurements D and H are taken radially relative to the axis of the turbine, while the X coordinate is measured in the axial direction of the turbine.
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