Path: Home > GB/T > Page30 > GB/T 45977-2025

Price & Delivery

US$359.00 · In stock · Download in 9 seconds
GB/T 45977-2025: Aircraft auxiliary power system vocabulary
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Valid

Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 45977-2025	English	359	Add to Cart	4 days [Need to translate]	Aircraft auxiliary power system vocabulary

GB/T 45977-2025: Aircraft auxiliary power system vocabulary

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT45977-2025
ICS 49.020 CCSV31 National Standard of the People's Republic of China Aircraft auxiliary power system terminology Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 3.1 System/Subsystem Terminology 1 3.2 Performance characteristic terms 2 References 6 Index 7 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed and coordinated by the National Technical Committee for Standardization of Aircraft (SAC/TC435). This document was drafted by. China Aviation Industry Corporation Jincheng Nanjing Electromechanical Hydraulic Engineering Research Center, China Aviation Comprehensive Technology Research Institute, AVIC Commercial Aircraft Engine Co., Ltd. The main drafters of this document are. Huang Fang, Xu Liang, Xu Zhuzheng, Chen Liqiang, Wang Zhenzhen, Jiang Haiming, Ren Haitao, Liu Haibo, and Xu Min. Aircraft auxiliary power system terminology

1 Scope

This document defines common terminology relating to aircraft auxiliary power systems. This document is applicable to the scientific research, production, use and maintenance of aircraft auxiliary power systems.

2 Normative references

This document has no normative references.

3 Terms and Definitions

3.1 System/Subsystem Terminology 3.1.1 Independent of the main engine, it generates, transmits and converts energy for the aircraft to achieve engine starting, aircraft ground maintenance, air emergency and other scenarios An integrated system that meets energy needs. Note. Auxiliary power systems include but are not limited to energy generation devices (such as combined power units, auxiliary power units, emergency power units, etc.), engine starters (such as air turbine starter and starting control valve, gas turbine starter, etc.), electronic controller, aircraft accessory casing, intake subsystem, exhaust subsystem, Install subsystems and supporting accessories. 3.1.2 Integrated power unit; IPU A small turbine power unit that is combined with an auxiliary power unit (3.1.3) and an emergency power unit (3.1.4) by sharing a gearbox or turbine. Force device. 3.1.3 Auxiliary power unit auxiliarypoweruint;APU A small gas turbine power plant that provides compressed air and/or shaft power to an aircraft. Note 1.The auxiliary power unit is not used for direct propulsion of the aircraft. Note 2.The auxiliary power unit generally consists of a compressor, a combustion chamber, a turbine, an accessory gearbox and supporting accessories. 3.1.4 Emergency power unit emergency power unit; EPU A small, non-air-breathing turbine power unit that provides emergency shaft power for an aircraft. Note. Emergency power unit includes but is not limited to turbine, gas generator, fuel tank, gearbox and control components. 3.1.5 Ramairturbine;RAT A turbine power unit that uses ram air as energy to provide emergency power for aircraft. 3.1.6 Electronic components that implement the auxiliary power system (3.1.1) functions of starting control, steady-state control, parking control, status monitoring, and health management. equipment. ...