| Patent Number |
Title Of Patent |
Date Issued |
| 7597538 |
Thermostructural turbomachine part that is circularly symmetrical about a longitudinal axis, the |
October 6, 2009 |
| In the method, a support is provided that presents a base for an annular wiper, and a wiper is built up that presents height that varies around its circumference, by forming a plurality of projecting portions by performing following successive steps: a laser source connected to an |
| 7553130 |
Nozzle ring adhesive bonded blading for aircraft engine compressor |
June 30, 2009 |
| A compressor nozzle ring for an aircraft includes an inner shroud, an outer shroud and a multiplicity of blades extending from the inner shroud to the outer shroud. Each blade passes through the inner shroud and is attached to it with sealing cement containing an organic polymer adhe |
| 7510778 |
Part for protecting the leading edge of a blade |
March 31, 2009 |
| A protection part comprising at least two layers including an outer layer and an inner layer has its outer layer made of an aluminum alloy that is reinforced with particles of SiC, the SiC particle content in said alloy lying in the range 15% to 40% by weight, while the inner layer is ma |
| 7448280 |
Method for evaluating the fatigue strength of welded joints |
November 11, 2008 |
| Method for evaluating the fatigue strength of welded joints produced by melting an alloy using a specified welding technique, which method comprises the following steps: a statistically significant number N of specimens are produced with a welded joint using said welding technique; |
| 7147434 |
Nozzle ring with adhesive bonded blading for aircraft engine compressor |
December 12, 2006 |
| Blades (3) extending radially from the inner shroud (1) to the outer shroud (2) are attached to the inner shroud by means of a sealing cement containing an organic polyimide-based polymer adhesive. |
| 6837085 |
Transverse ultrasound peening of blades on a rotor |
January 4, 2005 |
| The invention concerns a method for transverse ultrasound peening of blades (2) on a rotor which consists in driving in rotation the wheel (3) bearing the blades (2) about its geometrical axis (6) arranged substantially vertically and in causing the blades (2) to pass through a mist of |
| 6336844 |
Method and machine for the ultrasonic peening of parts on a wheel |
January 8, 2002 |
| The invention relates to a method and machine for so-called "ultrasonic" peening employing a mist of microbeads inside an active chamber 30c for peening parts 21 on a wheel 19, ie blades on a rotator. The periphery of the wheel 19 is brought simultaneously past the openings of at least t |
| 6289705 |
Method for the ultrasonic peening of large sized annular surfaces of thin parts |
September 18, 2001 |
| A method of so-called "ultrasonic" peening is described for peening large sized annular surfaces on thin parts. The method uses a microbead mist vibrated in a chamber with an opening so that the surface that is to be peened makes at least five movements past the opening of the peening |
| 6135712 |
Turbomachine with mutual braking of concentric shafts |
October 24, 2000 |
| A coating (22) with a high coefficient of friction and low thermal conductivity covers a turbomachine low pressure shaft (12) in the vicinity (17) of a concentric high pressure shaft (11), in the area at which high friction contact between the two shafts could occur if a bearing (13) on |
