Abstract: An assembly for rectifying vertebrae, comprises: two bone anchoring means intended to be implanted on a same vertebra, a triangulation bar and a connection means for connecting the triangulation bar to each bone anchoring means and for holding the bone anchoring means in a given position in order to form, with the triangulation bar connected to the bone anchoring means by means of the connection means, a rigid triangular assembly, the triangulation bar comprising an attachment area for attaching a correction instrument arranged to ensure a rigid attachment in rotation and in translation of the correction instrument on the triangulation bar.

Abstract: The invention relates to a field of feeding reaction engines, and in particular a turbopump 9 for feeding at least one combustion chamber 2 with a first propellant, the turbopump comprising a pump 9a, a turbine 9b to the pump 9a in order to drive it, and a variable and/or disengageable braking device 11.

Abstract: A feed method for feeding reaction engines including off-loading a secondary flow of a first propellant downstream from a first pump but upstream from a first turbine that is driven by expansion of the first propellant and that drives at least the first pump. The off-loading is controlled in such a manner as to achieve equilibrium between power generated by the first turbine and power consumed by the first pump, thereby stopping a rise in speed of the first turbine and the first pump at a predetermined speed lower than a nominal speed.

Abstract: The invention relates to a field of feeding reaction engines, and in particular a turbopump 9 for feeding at least one combustion chamber 2 with a first propellant, the turbopump comprising a pump 9a, a turbine 9b to the pump 9a in order to drive it, and a variable and/or disengageable braking device 11.