{
  "url": "https://openlegislation.uk/eu-regulation-2010-672/annex-II/appendix-4",
  "json_url": "https://openlegislation.uk/eu-regulation-2010-672/annex-II/appendix-4.json",
  "legislation": "eur/2010/672",
  "legislation_title": "Commission Regulation (EU) No 672/2010 of 27 July 2010 concerning type-approval requirements for windscreen defrosting and demisting systems of certain motor vehicles and implementing Regulation (EC) No 661/2009 of the European Parliament and of the Council concerning type-approval requirements for the general safety of motor vehicles, their trailers and systems, components and separate technical units intended therefor",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2010-672",
  "path": "annex/II/appendix/4",
  "kind": "appendix",
  "number": "4",
  "heading": "Requirements for the steam generator",
  "text": "1.\nCHARACTERISTICS\n1.1.\nThe steam generator used for the test shall have the following general characteristics:\n1.1.1.\nThe water container shall have a capacity of at least 2,25 litres.\n1.1.2.\nThe heat loss at boiling point shall not exceed 75 W in an ambient temperature of – 3 ± 1 °C.\n1.1.3.\nThe fan shall have a capacity of 0,07 to 0,10 m3/min at 0,5 mbar static pressure.\n1.1.4.\nSix steam outlet holes shall be positioned at the top of the generator, around the perimeter spaced at equal distances (see Figure 1):\n1.1.5.\nThe generator shall be calibrated at – 3 ± 1 °C to give reading for each 70 ± 5 g/h output up to a maximum of n times this figure, where n is the maximum number of seating positions designated by the manufacturer.\nFigure 1\nDiagram of steam generator\n1.2.\nThe specified parts shall have the following dimensional and material characteristics:\n1.2.1.\nNozzle\n1.2.1.1.\nDimensions:\n1.2.1.1.1.\nLength 100 mm.\n1.2.1.1.2.\nInside diameter 15 mm.\n1.2.1.2.\nMaterial:\n1.2.1.2.1.\nBrass.\n1.2.2.\nDispersion chamber\n1.2.2.1.\nDimensions:\n1.2.2.1.1.\nPipe outside diameter 75 mm.\n1.2.2.1.2.\nWall thickness 0,38 mm.\n1.2.2.1.3.\nLength 115 mm.\n1.2.2.1.4.\nSix evenly spaced holes of 6,3 mm in diameter, 25 mm above the bottom of the dispersion chamber.\n1.2.2.2.\nMaterial:\n1.2.2.2.1.\nBrass.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2010/672/annex/II/appendix/4",
    "retrieved_at": "2026-11-01T14:50:42.000012+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}