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Informal Document GRPE-79-27/Rev.1

Document Title UN R85: Amendments document GRPE/2019/11
Reference Number GRPE-79-27/Rev.1
Origin OICA
Document Date 24 May 2019
Document Posted 24 May 2019
Meeting Session(s)

33. The expert from OICA introduced ECE/TRANS/WP.29/GRPE/2019/11 and GRPE-79-27-Rev.1 that amended the footnote 9 in table 1 of Annex 5 to introduce an alternative for the measurement of power of charge-air-cooled engines. The representative from United Kingdom of Great Britain and Northern Ireland required clarifications on considerations about the test temperature and potential concerns about tests being done at extreme temperatures. Amendments were provided in GRPE-79-27-Rev.1. GRPE supported the new proposal in GRPE-79-27-Rev.1 as reproduced in Annex V of the session report.

34. GRPE endorsed the proposal and requested the secretariat to submit Annex V of the report to WP.29 and the AC.1 for consideration and vote at their November 2019 sessions as draft Supplement 10 to UN Regulation No. 85.


Proposal to allow an alternative test method to “set the charge air cooler outlet temperature during bench test to temperature which was observed by vehicle test and corrected to the reference temperature specified in paragraph 5.2.1.” of Annex 5. This alternative method is well recognized in SAE J1349.

Document Status Superseded
Related Documents
GRPE/2019/11 | UN R85: Proposal for a new Supplement
WP.29/2019/112 | UN R85: Proposal for Supplement 10