Document ID: chunk:federal_register_of_legislation:F2023C00229:reg:4:p21
Version: federal_register_of_legislation:F2023C00229
Segment Type: reg
Provision Reference: reg 4 (pt 21/42)
Character Range: 59335–62445

the family must comply with the applicable emission limit values;

2.7.                            'parent engine' means an engine selected from an engine family in such a way that its emissions characteristics will be representative for that engine family;

2.8.                            'gaseous pollutants' means carbon monoxide, hydrocarbons (assuming a ratio of CH1,85 for diesel, CH2,525 for LPG and CH2,93 for NG (NMHC), and an assumed molecule CH3O0,5 for ethanol-fuelled diesel engines), methane (assuming a ratio of CH4 for NG) and oxides of nitrogen, the last named being expressed in nitrogen dioxide (NO2) equivalent;

2.9.                            'particulate pollutants' means any material collected on a specified filter medium after diluting the exhaust with clean filtered air so that the temperature does not exceed 325 K (52 ºC);

2.10.                          'smoke' means particles suspended in the exhaust stream of a diesel engine which absorb, reflect, or refract light;

2.11.                          'net power' means the power in EC kW obtained on the test bench at the end of the crankshaft, or its equivalent, measured in accordance with the EC method of measuring power as set out in Council Directive 80/1269/EEC of 16 December 1980on the approximation of the laws of the Member States relating to the engine power of motor vehicles (2);

         (1)     OJ L 76, 6.4.1970, p. 1. Directive as last amended by Commission Directive 2003/76/EC (OJ L 206, 15.8.2003, p. 29).
         (2)     OJ L 375, 31.12.1980, p. 46. Directive as last amended by Commission Directive 1999/99/EC (OJ L 334, 28.12.1999, p. 32).

2.12.                          'declared maximum power (Pmax)' means the maximum power in EC kW (net power) as declared by the manufacturer in his application for type-approval;

2.13.                          'per cent load' means the fraction of the maximum available torque at an engine speed;

2.14.                          'ESC test' means a test cycle consisting of 13 steady state modes to be applied in accordance with Section
              6.2 of this Annex;

2.15.                          'ELR test' means a test cycle consisting of a sequence of load steps at constant engine speeds to be applied in accordance with Section 6.2 of this Annex;

2.16.                          'ETC test' means a test cycle consisting of 1 800 second-by-second transient modes to be applied in accordance with Section 6.2 of this Annex;

2.17.                          'engine operating speed range' means the engine speed range, most frequently used during engine field operation, which lies between the low and high speeds, as set out in Annex III to this Directive;

2.18.                          'low speed (nlo)' means the lowest engine speed where 50 % of the declared maximum power occurs;

2.19.                          'high speed (nhi)' means the highest engine speed where 70 % of the declared maximum power occurs;

2.20.                          'engine speeds A, B and C' means the test speeds within the engine operating speed range to be