GB/T 28285-2025Terminology for oxygen system of airplane (English PDF)

Foreword

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.

This document replaces GB/T 28285-2012 "Aircraft Oxygen System Terminology". Compared with GB/T 28285-2012, except for the structural adjustment and In addition to editorial changes, the main technical changes are as follows.

--- Deleted the synonymous terms "oxygen candle" (see 2.1.11 of the 2012 edition), "pressurized mask" (see 2.2.49 of the 2012 edition), "full face mask" (see 2.2.60 of the 2012 edition), "oxygen candle" (see 2.1.11 of the 2012 edition), "pressurized mask" (see 2.2.49 of the 2012 edition), "Type breathing mask" (see 2.2.52 of the 2012 edition), "protective helmet" (see 2.2.59 of the 2012 edition), "partial pressure suit" (see 2012 edition), "Pressure vests" (see.2012 edition, 2.2.61), and "Physiological evaluation of oxygen equipment" (see.2012 edition, 2.2.64). 2.4.2 of the 2012 edition), deleted the repeated terms "portable oxygen system, portable oxygen supply device" (see 2.1.21 of the 2012 edition), "Chemical oxygen supply" (see 2.2.37 of the 2012 edition), "closed pressure helmet" (see 2.2.57 of the 2012 edition) and "open pressure Helmets" (see 2.2.58 of the 2012 edition);

--- Changed the term name, changed "finished product and component terms" to "equipment terms" (see 3.2, 2.2 of the 2012 edition), "test and "Equipment term" is changed to "Test term" (see 3.4, 2012 edition 2.4), "parachute oxygen subsystem" is changed to "parachute oxygen system "oxygen filling valve" is changed to "oxygen filling connector" (see 3.2.3, 2012 edition). 2.2.3), "oxygen disconnect, personal equipment disconnect" is changed to "oxygen disconnect" (see 3.2.32, 2.2.31 of the 2012 edition) and "Personal equipment connection plate" (see 3.2.33, 2012 edition 2.2.31), "oxygen supply socket" changed to "oxygen use socket" (see 3.2.46, 2012 edition 2.2.43), "pressurized helmet, closed oxygen supply helmet" changed to "closed helmet" (see 3.2.60, 2012 edition 2.2.56 of the 2012 edition), "small residual pressure exhalation valve" is changed to "safety residual pressure exhalation valve" (see 3.2.77 of the 2012 edition) 2.2.75), "pressurized helmet tensioning mechanism" is changed to "enclosed pressurized helmet tensioning mechanism" (see 3.2.81, 2012 edition) 2.2.79);

--- Added "Crew oxygen system" (see 3.1.26), "Passenger oxygen system, crew oxygen system" (see 3.1.27), "Portable oxygen system" Equipment" (see 3.1.28), "oxygen distribution system" (see 3.1.29), "electronic oxygen supply anti-load regulator" (see 3.2.17), "gas source treatment device" (see 3.2.39), "flushing device" (see 3.2.43), "smoke mask" (see 3.2.56), "external oxygen indicator" (see 3.2.84), "oxygen distribution device" (see 3.2.85), "emergency oxygen unit" (see 3.2.86), "altitude pressure switch" (see 3.2.87), "high "Degree selection switch" (see 3.2.88), "smoke goggles" (see 3.2.89), "closed loop control" (see 3.3.4), "pure oxygen" (see 3.3.51), "Mixed oxygen" (see 3.3.52), "Minimum oxygen supply" (see 3.3.53), "Pulse oxygen supply" (see 3.3.54), "Centralized Terms and definitions for "oxygen supply" (see 3.3.55) and "decentralized oxygen supply" (see 3.3.56);

--- Changed the "aircraft oxygen system" (see 3.1.2), "oxygen source" (see 3.1.7), "full pressure suit" (see 3.2.62), "bladder high altitude compensation" Definitions of the terms "oxygen administration" (see 3.2.65) and "pressurized oxygen" (see 3.3.7).

1 Scope

This document defines common terms and definitions for aircraft oxygen systems.

This document applies to the design, manufacture, testing, use, maintenance, teaching and management of aircraft oxygen systems.

2 Normative references

This document has no normative references.

3 Terms and Definitions