ISO INTERNATIONAL STANDARD 22072 Second edition 2011-08-01 Aerospace Electrohydrostatic actuator (EHA) Characteristics to be defined in procurement specifications Aéronautique et espace — Actionneurs électrohydrostatiques (EHA) - Caractéristiques a definir dans les spécifications d'approvisionnement Reference number ISO 22072:2011(E) @ ISO 2011 ISO 22072:2011(E) COPYRIGHT PROTECTED DOCUMENT @ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, ISO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2011 - All riahts reserved ISO 22072:2011(E) Contents Page Foreword Introductior 1 2 Normativereferences 3 Terms and definitions... 4 Requirements 4.1 General. 4.2 Brief description of the system... 4.3 Description and interfaces .... 4.4 Performance.... 4.5 Electrical power consumption and regeneration 4.6 Hydraulic consumption.... 4.7 Strength and life .... 4.8 Protection against fire risk .. 4.9 Reliability and safety .... 4.10 Bonding .... 4.11 Lightning, electromagnetic compatibility .... 4.12 Maintainability and servicing .... 4.13 Thermal requirements. 5 Installation and operating conditions 5.1 5.2 Mechanical data. 5.3 Electrical supply data.. 5.4 Thermaldata .9 5.5 Hydraulic data.... 10 5.6 Control and monitoring data ... 10 5.7 Environmental data 10 5.8 Duty cycle data .. 10 Bibliography. 12 i"ahts reserved ii