1
Bernard Fraignier, Daniel E Gery: Multi axis force and moments transducer. Societe Nationale d Etude et de Construction de Moteurs d Aviation S N E C M A, Bacon & Thomas, November 5, 1985: US04550617 (94 worldwide citation)

A multi-axis force and moment transducer having a plurality of flexible plates, orthogonally oriented, interconnected between first and second bodies to measure the forces exerted thereon due to relative movement between the bodies. The interconnection between a first element attached to the first b ...


2
Joel M D Benoit, Bruno J G Dambrine, Laurent J P David, Patrick Fouche, Daniel G Girault, Christophe G R Grosbois, Catherine L F Guet: Gas turbine blade comprising layers of composite material. Societe Nationale d Etude et de Construction de Moteurs d Aviation S N E C M A, Oblon Spivak McClelland Maier & Neustadt, May 3, 1994: US05308228 (47 worldwide citation)

A gas turbine blade includes a central core covered by a plurality of layers of composite material, and optionally also an outer sleeve of woven composite material. A network of transverse seams pass through the layers of composite material, and preferably also the core and the outer sleeve. This co ...


3
Jacques Lesgourgues: Diffusion brazing process for pieces of superalloys. Societe Nationale d Etude et de Construction de Moteurs d Aviation S N E C M A, Bacon & Thomas, September 30, 1986: US04614296 (45 worldwide citation)

A diffusion brazing process for superalloy parts is performed on the one hand by the interposition between the pieces to be joined of a joining layer having a composition close to that of the parts and containing a "fluxing" element, which renders it more readily meltable, and on the other hand, a h ...


4
Denis R H Ansart, Patrice A Commaret, Etienne S R David, Michel A A Desaulty, Bruno M M Quinquenneau, Denis Sandelis: Pre-mixing injection system for a turbojet engine. Societe Nationale D Etude et de Construction de Moteurs D Aviation S N E C M A, Bacon & Thomas, January 14, 1997: US05592819 (44 worldwide citation)

A pre-mixing injection system to feed a fuel/air mixture to a combustion zone in a turbojet engine combustion chamber is disclosed having a pre-mixing tube defining a convergent pre-mixing zone and a diverging intermediate zone between the fuel and air injection devices, and the combustion zone of t ...


5
Carmen Miraucourt, Remy P C Ritt: Turbine ring incorporating elements of a ceramic composition divided into sectors. Societe Nationale d Etude et de Construction de Moteurs d Aviation S N E C M A, Oblon Fisher Spivak McClelland & Maier, July 26, 1988: US04759687 (44 worldwide citation)

A turbine ring comprises an annular support in two parts and a ring of ceramic sectors for sealing purposes. The two parts of the support are interconnected by an axial groove and a sliding male part. Each part comprises an axial annular groove in which is engaged a respective axial edge portion of ...


6
Paul J Legrand, Rene M J Hersen: Guidance device for the moving fairing of a thrust reverser system. Societe Nationale d Etude et de Construction de Moteurs D Aviation S N E C M A, Bacon & Thomas, April 17, 1984: US04442987 (41 worldwide citation)

A guiding system of the movable fairing of a turbojet engine thrust reverser system comprising two guide pieces mounted on an upper frame fixed to a mast and pieces to be guided attached to the movable fairing. The guide pieces are provided with a groove of a circular cross section and the piece to ...


7
Gerard M F Mandet, Marcel R Soligny: Sealing ring for a turbine rotor of a turbo machine and turbo machine installations provided with such rings. Societe Nationale d Etude et de Construction de Moteurs d Aviation S N E C M A, Oblon Fisher Spivak McClelland & Maier, June 24, 1986: US04596116 (40 worldwide citation)

The rotor of each stage of a turbine is surrounded, with a clearance by a fixed ring, formed by a metal ring supporting internally an annular thermal screen, in the form of ceramic segments. Expansions and contractions of the metal ring under the action of air which is supplied thereto in order to c ...


8
Gerard E A Jourdain, Jean M Payen, Georges Mazeaud: Turbo-machine with device for automatically controlling the rate of flow of turbine ventilation air. Societe Nationale d Etude et de Construction de Moteurs d Aviation S N E C M A, Oblon Fisher Spivak McClelland & Maier, February 21, 1989: US04805398 (39 worldwide citation)

A device for automatically controlling the rate of flow of turbine ventilation air in a turbo-machine comprises two superimposed ceramic rings which are split and are each fixed at a single point to a metal support so that differential expansion of the support and the two rings in response to the op ...


9
Thierry Feuvrier, Alexandre Forestier: Multiple flow turbojet engine with an outer ring of the fan outlet shrunk onto the case. Societe Nationale d Etude et de Construction de Moteurs d Aviation S N E C M A, Oblon Spivak McClelland Maier & Neustadt, July 10, 1990: US04940386 (35 worldwide citation)

The cartridge of a fan outlet for a multiple flow turbojet engine is made of composite material and includes two thick lateral strips (8a, 8b) positioned in the interior of the outer case and a narrow central band pierced with slots (10) in which guide vanes (5), provided with an in-molded cover, co ...


10
Anne Marie Arraitz, Eric Stephan Bil, Michel Gerard Paul Hacault, Laurent Philippe Yves Leray, Michel Jean Loubet, Marc Roger Marchi, Jean Manuel Morcillo, Didier Marie Mortgat, Michel Jean Pierre Pernot, Thierry Christian Sanz: Method of reducing the gap between a liner and a turbine distributor of a turbojet engine. Societe Nationale d etude et de Construction de Moteurs d Aviation S N E C M A, Oblon Spivak McClelland Maier & Neustadt P C, December 26, 2000: US06163959 (34 worldwide citation)

A method of reducing the gap between a liner and a turbine distributor of a turbojet engine. The method allows for the improvement of the seal on the inside of the distributor of the high pressure turbine at the lower platform. The method includes the steps of: applying a protective deposit to the l ...