F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
F15B 20/00 (2006.01) B60T 8/00 (2006.01) B60T 13/68 (2006.01) B64C 13/42 (2006.01) B64C 25/22 (2006.01) B64C 25/42 (2006.01)
Patent
CA 2451099
The invention relates to the architecture of a hydraulic circuit which is associated with actuators (100) such as aircraft brakes. The invention comprises a main hydraulic circuit (C) which is provided with hydraulic components (4,5,101,6) and which is designed to direct a hydraulic fluid towards the actuators (100), said fluid being pressurised by at least one pressure-generating device (2) which is connected to a main reserve (1). According to the invention, the architecture comprises a back-up system consisting of an auxiliary reserve (8) which is permanently supplied by a return circuit (R) that collects the fluid returning from all the hydraulic components (4,5,101,6), the auxiliary reserve (8) being connected to the main reserve (1) via a pressure relief valve (9). Said back-up system also comprises an electric pump (10) which is disposed in order to draw the fluid contained in the auxiliary reserve (8) and to inject it into the main circuit (C) downstream of a general non-return valve (3).
L'invention concerne une architecture de circuit hydraulique associé à des actionneurs (100), tels que des freins d'aéronef, comprenant un circuit hydraulique principal (C) ayant des composants hydrauliques (4,5,101,6) et adapté pour acheminer vers les actionneurs (100) un fluide hydraulique mis sous pression par au moins un dispositif de génération de pression (2) associé ô une réserve principale (1). Selon l'invention, l'architecture comprend un système de secours comportant une réserve auxiliaire (8) alimentée en permanence par un circuit de retour (R) collectant les retours de tous les composants hydrauliques (4,5,101,6), la réserve auxiliaire (8) étant connectée ô la réserve principale (1) via un clapet de surpression (9), ledit système de secours comportant en outre une électropompe (10) agencée pour aspirer le fluide contenu dans la réserve auxiliaire (8) et l'injecter dans le circuit principal (C) en aval d'un clapet anti-retour général (3).
Hamzeh Walid
Libourel Jerome
Goudreau Gage Dubuc
Messier-Bugatti
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