1
Serge Le Gonidec
LE GONIDEC SERGE: SYSTEME PROPULSIF DE LANCEUR SPATIAL METTANT EN OEUVRE UN PROCEDE DE REGULATION DE LA CONSOMMATION DERGOLS. Snecma, March 30, 2012: FR2965305-A1 (3 worldwide citation)

Ce système propulsif de lanceur spatial comporte : - un moteur (200) alimenté par au moins deux réservoirs d'ergols (131, 132) - des moyens de mesure (50) aptes à mesurer, par dénoyage, la quantité d'ergol (MCT , MCT ) effectivement consommée dans chacun desdits réservoirs - des moyens d'estimation ...


2
Serge Le Gonidec
KERNILIS Alain, LEMOINE Nicolas, BOULET Ludivine, LE GONIDEC Serge: SYSTEME DALIMENTATION ET PROCEDE DE SUPPRESSION DEFFET POGO, POWER SUPPLY SYSTEM AND METHOD FOR ELIMINATING THE POGO EFFECT. Snecma, KERNILIS Alain, LEMOINE Nicolas, BOULET Ludivine, LE GONIDEC Serge, INTES Didier, November 22, 2012: WO/2012/156615 (3 worldwide citation)

The invention relates to the field of rocket motor fuel supply systems and, in particular, to a fuel supply system having a supply circuit (4) comprising a device for varying a volume of gas in the circuit (4) in order to eliminate the POGO effect. The invention also relates to a method for eliminat ...


3
Serge Le Gonidec
KERNILIS ALAIN, LEMOINE NICOLAS, BOULET LUDIVINE, LE GONIDEC SERGE: SYSTEME DALIMENTATION ET PROCEDE DE SUPPRESSION DEFFET POGO. Snecma, November 23, 2012: FR2975440-A1 (2 worldwide citation)

L'invention concerne le domaine des systèmes d'alimentation de moteurs-fusées , et en particulier un système d'alimentation avec un circuit d'alimentation (4) comportant un dispositif de variation d'un volume de gaz dans le circuit (4) pour la suppression de l'effet POGO. L'invention concerne aussi ...


4
Serge Le Gonidec
LE GONIDEC SERGE: Systeme de detection et de localisation de pannes et moteur comportant un tel systeme (FR), System for detecting and locating engine breakdowns and engine comprising such a system (EN). Snecma, Delumeau François, September 1, 2011: WO/2011/104466 (2 worldwide citation)

The invention relates to a system for detecting and locating breakdowns that can occur in a complex system, comprising: means (CAP, MODVAL,MODDP, MODFD,) for detecting and locating a breakdown affecting at least one subsystem of the complex system; and means (MODPD) for making a decision regarding p ...


5
Serge Le Gonidec
Serge Le Gonidec: Method and a device for calculating a starting or stop sequence for an engine. Snecma, Weingarten Schurgin Gagnebin & Lebovici, January 29, 2013: US08364374 (1 worldwide citation)

The method serves to calculate a start sequence or a stop sequence for an engine, said sequence comprising a plurality of cues at which predetermined actions should be performed in the control of said engine. The method comprises: a step of obtaining at least one thermodynamic condition of said engi ...


6
Serge Le Gonidec
Serge Le Gonidec: Device for controlling a regulated system, and an engine including such a device. Snecma, Weingarten Schurgin Gagnebin & Lebovici, August 23, 2011: US08005554 (1 worldwide citation)

This device for controlling at least one operating variable of a regulated system comprising: a filter module for filtering at least one setpoint input to the control device, the module using a first order integrator; and a correction module for correcting the variable by servo-control, the module t ...


7
Serge Le Gonidec
Serge Le Gonidec, Olivier Faye: Device for adjusting an operating variable of an engine. Snecma, Preti Flaherty Beliveau & Pachios, May 19, 2015: US09037380 (1 worldwide citation)

A mechanism for regulating an engine by using an actuator that is controlled in bang-bang mode, in which non-linearities are introduced in the control strategy in order to avoid putting excessive demand on an electric motor. The actuator is controlled by power supply pulses, which is a specific type ...


8
Serge Le Gonidec
LE GONIDEC SERGE, FAYE OLIVIER: [fr] Dispositif dajustement dune variable de fonctionnement dun moteur de fusée, [de] Regelungseinrichtung für eine Funktionsvariable eines Raketenmotors, [en] Control system for a process factor of a rocket engine. Snecma, May 19, 2010: EP2187031-A1 (1 worldwide citation)

[en] The device (105) has a subtractor (10) for calculating an error obtained from a difference between a measurement of a variable (PC) and a set point (PCc). A command generating unit (20) generates a bang-bang type command to be applied to an actuator (VR1) i.e. slow actuator, from the error. A s ...


9
Serge Le Gonidec
Serge Le Gonidec: System and a method for regulating the temperature of a fuel cell. Snecma, Preti Flaherty Beliveau & Pachios, February 19, 2013: US08377602 (1 worldwide citation)

The invention relates to a system for regulating the temperature of a fuel cell that is cooled by a cooling fluid traveling through the cell, the system including both first control means for measuring the temperature of the cooling fluid and for controlling the flow rate of the controlling fluid as ...


10
Serge Le Gonidec
Le Gonidec Serge: Control apparatus and motor incorporating such apparatus. Snecma, September 9, 2009: EP2098922-A1 (1 worldwide citation)

Ce dispositif de contrôle d'au moins une variable (V) de fonctionnement d'un système régulé (40), comporte : un module (20) de filtrage d'au moins une consigne (C) en entrée du dispositif de contrôle (10), ce module (20) utilisant un intégrateur du premier ordre ; un module (30) de correction de la ...



Click the thumbnails below to visualize the patent trend.