Defined terms — Regulation (EC) No 79/2009 of the European Parliament and of the Council of 14 January 2009 on type-approval of hydrogen-powered motor vehicles, and amending Directive 2007/46/EC (Text with EEA relevance)
European Union · 32009R0079 · 268 provisions
7 defined in this instrument.
hydrogen component — the hydrogen container and all other parts of the hydrogen-powered vehicle that are in direct contact with hydrogen or which form part of a hydrogen system (c)
hydrogen system — an assembly of hydrogen components and connecting parts fitted on hydrogen-powered vehicles, excluding the propulsion systems or auxiliary power units (d)
hydrogen-powered vehicle — any motor vehicle that uses hydrogen as fuel to propel the vehicle (a)
inner tank — the part of the hydrogen container designed to use liquid hydrogen that contains the cryogenic hydrogen (g)
maximum allowable working pressure — the maximum pressure to which a component is designed to be subjected to and which is the basis for determining the strength of the component under consideration (e)
nominal working pressure — as regards containers, the settled pressure at a uniform temperature of 288K (15 °C) for a full container, or as regards other components, the pressure level at which a component typically operates (f)
propulsion system — the internal combustion engine or fuel cell system used to propel the vehicle (b)