ISO/TC 22/SC 34
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 88254 | ISO/DIS 6621-1 | Internal combustion engines — Piston rings — Part 1: Vocabulary | Aptauja slēgta |
| 88255 | ISO/DIS 6624-1 | Internal combustion engines — Piston rings — Part 1: Keystone rings made of cast iron | Aptauja slēgta |
| 88361 | ISO/CD 19612 | Road vehicles — Diesel engine fuel filters — Single pass method of evaluating filtration performance of a fuel filter under cyclic flow conditions in combination with mechanical vibration | Izstrādē |
| 90553 | ISO/CD 6624-2 | Internal combustion engines — Piston rings — Part 2: Half keystone rings made of cast iron | Izstrādē |
| 90554 | ISO/CD 6624-4 | Internal combustion engines — Piston rings — Part 4: Half keystone rings made of steel | Izstrādē |
| 90692 | ISO/PWI TS 11155-1 | Road vehicles — Air filters for passenger compartments — Part 1: Test for particulate filtration | Izstrādē |
| 90694 | ISO 21042:2026 | Gasoline engines with direct fuel injection (GDI engines) — Installation of the high-pressure fuel pump to the engine | Standarts spēkā |
| 90698 | ISO/PWI 25538 | Target Differential Pressure Fuel Water Separation Loading | Izstrādē |
| 90699 | ISO/WD 18669-1 | Internal combustion engines — Piston pins — Part 1: General specifications | Izstrādē |
| 90700 | ISO/FDIS 22241-1 | Diesel engines — NOx reduction agent AUS 32 — Part 1: Quality requirements | Izstrādē |
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