GAR | GRPE/2015/12

GRPE/2015/12

Proposal for amendments to Regulation No. 85

Source(s)

OICA

Date

31 Mar 2015

Status

Superseded

Subject

UN R85 Net Power Measurement

Meeting(s)

GRPE | Session 71 | 9-12 Jun 2015

Agenda item 5. Regulations Nos. 85, 115, and 133

Proposal to avoid a redundant correction of the measured engine power of supercharged and turbocharged engines fitted with a self-correcting system for ambient conditions such as temperature and altitude. The current correction factor may yield inaccurate results for such configurations.

Downloads

UNECE server

Related documents

Excerpts from session reports

GRPE | Session 70 | 13-16 Jan 2015

24. The expert introduced GRPE-70-02 proposing amendments to Regulation No. 85 avoiding a duplicated correction of the measured engine power from supercharged and turbocharged engines, fitted with a system, which allows compensation for ambient conditions such as temperature and altitude. He added that this proposal was based on the corresponding amendment in Annex XX added to Regulation (EU) No. 136/2014.

25. The secretariat presented GRPE-70-03 introducing minor amendments to Regulation No. 85.

26. GRPE agreed with both proposals and requested the secretariat to distribute both proposals combined, with an official symbol, at its June 2015 session.

GRPE | Session 71 | 9-12 Jun 2015

34. The expert from OICA presented ECE/TRANS/WP.29/GRPE/2015/12 proposing amendments to UN Regulation No. 85 to avoid a duplicated correction of the measured engine power in case of self-correcting turbochargers.

35. GRPE adopted ECE/TRANS/WP.29/GRPE/2015/12 and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their November 2015 sessions as draft Supplement 7 to the original version of UN Regulation No. 85.