GB/T 37692-2019 in English
VALIDRunning mode specific fuel consumption limits and measurement methods for small spark ignition engines of non-road mobile machinery
- Issued on:2019-06-04
- Implemented on:2020-01-01
- File Format:PDF
- Delivery:Within 1 day
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| Standard No: | GB/T 37692-2019 |
| Document status: | VALID |
| Title in English: | Running mode specific fuel consumption limits and measurement methods for small spark ignition engines of non-road mobile machinery |
| Title in Chinese: | 非道路移动机械用小型点燃式发动机工况法燃料消耗率限值与测量方法 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Within 1 day |
| Issued on: | 2019-06-04 |
| Implemented on: | 2020-01-01 |
| ICS Classification: | 27.020-Internal combustion engines |
| Chinese Classification: | J91-Internal combustion engine and auxiliary equipment |
| Professional Classification: | GB-National Standard |
| Related Keywords: | specific fuel consumption limits
non-road mobile machinery non-road mobile machinery introduction fuel consumption rate small spark ignition engines |
| Related Topics: | small gas engine
How to measure the burning point GBT37692 GB/T 37692-2019 Road mobile source VOCs detection method Non-road mobile machinery standards |
《GB/T 37692-2019非道路移动机械用小型点燃式发动机工况法燃料消耗率限值与测量方法》由TC177（全国内燃机标准化技术委员会）归口，TC177SC4（全国内燃机标准化技术委员会通用汽油机分会）执行，主管部门为中国机械工业联合会。
Introduction
1. Standard Overview
National Standard of the People's Republic of China GB/T 37692-2019 "Limits and Measurement Methods of Fuel Consumption Rate of Small Spark-ignition Engines for Non-road Mobile Machinery" is mainly applicable to small spark-ignition engines with a net power of no more than 19 kW, including lawn mowers, chainsaws, generators and other non-road mobile machinery. This standard specifies the limits and measurement methods of fuel consumption rate, and puts forward specific requirements for test conditions and data processing.
2. Standard Technical Requirements
2.1 Engine Classification
| Engine Category Code | Working Volume (V) |
|---|---|
| SH1 | V<20 |
| SH2 | 20≤V<50 |
| SH3 | V≥50 |
| FSH1 | V<66 |
| FSH2 | 66≤V<100 |
| FSH3 | 100≤V<225 |
| FSH4 | V≥225 |
2.2 Fuel consumption limit values for operating conditions
| Engine category code | Fuel consumption limit for operating conditions (g/(kW·h)) |
|---|---|
| SH1 | - |
| SH2 | 780 |
| SH3 | 600 |
| FSH1 | 700 |
| FSH2/FSH3 | 700 |
| FSH4 | 600 |
3. Comparative analysis of standard frameworks
3.1
| Dimensions | GB/T 37692—2019 | Comparison with similar international standards |
|---|---|---|
| Engine classification method | Based on working volume | Based on power and emission characteristics |
| Fuel consumption rate limit | Set by category and working condition | Uniform limit |
| Test method | Weighted average of working condition method | Steady-state test |
4. Implementation suggestions
4.1 Test equipment selection
Choose a test equipment that complies with GB/T The dynamometer and fuel metering device required by 6072.1 shall ensure the measurement accuracy reaches ±2%.
4.2 Data Processing and Analysis
According to the data processing flow specified in Appendix C, calculate the fuel consumption rate of the working condition method and use statistical software for data analysis.
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