Division 5.9 Periodically regenerating systems (K i ) familyF1

Only vehicles that are identical with respect to the following characteristics may be part of the same periodically regenerating systems family:

1. (a)

   Type of internal combustion engine: fuel type, combustion process,

2. (b)

   Periodically regenerating system (i.e. catalyst, particulate trap);

   1. (i)

      Construction (i.e. type of enclosure, type of precious metal, type of substrate, cell density);

   2. (ii)

      Type and working principle;

   3. (iii)

      Volume ± 10 per cent;

   4. (iv)

      Location (temperature ± 100 °C at second highest reference speed).

3. (c)

   The test mass of each vehicle in the family shall be less than or equal to the test mass of the vehicle used for the K _i demonstration test plus 250 kg.

1. 5.9.1.

   F2...

2. 5.9.2.