GB 15744-2019 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 15744-2019 | English | 285 |
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The Limits and Measurement Methods of Fuel Consumption for Motorcycles and Mopeds
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| GB 15744-2008 | English | 115 |
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The limits and measurement methods of fuel consumption for motorcycles
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| GB/T 15744-1995 | English | 199 |
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Fuel consumption limited value for motorcycles and mopeds
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GB 15744-2019: The Limits and Measurement Methods of Fuel Consumption for Motorcycles and Mopeds
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB15744-2019
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.140
T 80
Replacing GB 15744-2008, GB 16486-2008
The Limits and Measurement Methods of Fuel
Consumption for Motorcycles and Mopeds
Issued on. JULY 29, 2019
Implemented on. JULY 1, 2020
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 7
2 Normative References... 7
3 Terms and Definitions... 7
4 Fuel Consumption Limits... 8
5 Measurement Methods of Fuel Consumption... 10
6 Type Expansion... 20
7 Implementation of Standard... 20
Appendix A (normative) Product Description... 21
Appendix B (normative) Measurement Methods, Measuring Devices and
Calculation Methods of Fuel Consumption... 32
Appendix C (normative) Requirements for Type Expansion... 39
Foreword
All the technical content of this Standard is mandatory.
This Standard was drafted in accordance with the rules in GB/T 1.1-2009.
This Standard serves as a replacement of GB 15744-2008 The Limits and
Measurement Methods of Fuel Consumption for Motorcycles and GB 16486-2008 The
Limits and Measurement Methods of Fuel Consumption for Mopeds.
In comparison with GB 15744-2008, other than editorial modifications, the main
technical changes are as follows.
---The Scope is modified. “inapplicable to vehicles that merely use gaseous fuels
or alcohol fuels” is added; “except racing cars and off-road vehicles” is deleted
(see Chapter 1; Chapter 1 of Version 2008);
---Normative References is modified (see Chapter 2; Chapter 2 of Version 2008);
---The terms and definitions of “Type-I Test” and “Type-II Test” are added (see 3.1;
3.3);
---The definition of “Reference Speed” is modified (see 3.2; 3.1 of Version 2008);
---The calculation method for fuel consumption of two-wheeled motorcycles and
motorcycles with a sidecar is modified (see 4.1.1; 8.1 of Version 2008);
---The fuel consumption limits for motorcycles and corresponding engine
displacement sections are modified (see Table 1 and Table 3; Table 3 and Table
4 of Version 2008);
---A table of fuel consumption limits of two-wheeled motorcycles (with automatic
transmission) equipped with spark ignition engines is added (see Table 2);
---The fuel consumption limits of regular three-wheeled motorcycles equipped with
compression ignition engines are added (see 4.2.2);
---The test types of two-wheeled motorcycles and motorcycles with a sidecar are
modified (see 5.1.1; 4.1 of Version 2008);
---The requirements for the state of test vehicles and vehicle classification during
the test on chassis dynamometer are modified (see 5.2.1.2; 5.1.2, 5.1.3, 5.1.4
and 5.1.5 of Version 2008);
---The requirements for warm-up driving of two-wheeled motorcycles and
motorcycles with a sidecar are deleted (see 5.1.6 of Version 2008);
---The requirements for the driver during the test on chassis dynamometer are
modified (see 5.2.2; 5.1.7 of Version 2008);
---The requirements for motorcycle fuels and lubricants are modified (see 5.2.3;
5.2 of Version 2008);
---The requirements for environmental conditions are modified (see 5.2.4; 4.2 and
4.3 of Version 2008);
---The requirements for test cycle, test device, test procedure and test result of the
fuel consumption measurement of two-wheeled motorcycles are modified (see
5.3.1, 5.3.2, 5.3.3 and 5.3.4; 6.1, 6.2, 6.3, 6.4 and 6.5 of Version 2008);
---The requirements for test cycle, test device, test procedure and test result of
Type-I test of the fuel consumption measurement of regular three-wheeled
motorcycles are modified (see 5.4.1.1, 5.4.1.2, 5.4.1.3 and 5.4.1.4; 6.1, 6.2, 6.3,
6.4 and 6.5 of Version 2008);
---The requirements for warm-up driving of regular three-wheeled motorcycles are
modified (see 5.4.2.1.1; 5.1.6 of Version 2008);
---The requirements for the measurement method of Type-II test of regular three-
wheeled motorcycles on chassis dynamometer are added (see 5.4.2.3);
---The requirements for the fuel consumption measurement of Type-II test of
regular three-wheeled motorcycles on chassis dynamometer are added (see
5.4.2.4.2.2);
---The requirements for product description are modified (see Appendix A;
Appendix A of Version 2008);
---The measurement methods, measuring devices and calculation methods of fuel
consumption are modified (see Appendix B; Appendix B of Version 2008);
---The requirements for type extension are added (see Appendix C).
In comparison with GB 16486-2008, other than editorial modifications, the main
technical changes are as follows.
---The Scope is modified. “inapplicable to vehicles that merely use gaseous fuels
or alcohol fuels” is added; “except racing cars and off-road vehicles” is deleted
(see Chapter 1; Chapter 1 of Version 2008);
---Normative References is modified (see Chapter 2; Chapter 2 of Version 2008);
---The terms and definitions of “Type-I Test” and “Type-II Test” are added (see 3.1;
3.3);
---The definition of “Reference Speed” is modified (see 3.2; 3.1 of Version 2008);
---The fuel consumption limits for mopeds are modified (see Table 4 and Table 5;
Table 2 and Table 3 of Version 2008);
---The requirements for the state of test vehicles and vehicle classification during
the test on chassis dynamometer are modified (see 5.2.1.2; 5.1.2, 5.1.3, 5.1.4
and 5.1.5 of Version 2008);
---The requirements for the driver during the test on chassis dynamometer are
modified (see 5.2.2; 5.1.7 of Version 2008);
---The requirements for moped fuels and lubricants are modified (see 5.2.3; 5.2 of
Version 2008);
---The requirements for environmental conditions are modified (see 5.2.4; 4.2 and
4.3 of Version 2008);
---The requirements for test cycle, test device, test procedure and test result of
Type-I test of mopeds are modified (see 5.5.1.1, 5.5.1.2, 5.5.1.3 and 5.5.1.4;
6.1, 6.2, 6.3, 6.4 and 6.5 of Version 2008);
---The requirements for warm-up driving of mopeds are modified (see 5.5.2.1.1;
5.1.6 of Version 2008);
---The requirements for the measurement method of Type-II test of mopeds on
chassis dynamometer are added (see 5.5.2.3);
---The requirements for the fuel consumption measurement of Type-II test of
mopeds on chassis dynamometer are added (see 5.5.2.4.2);
---The requirements for product description are modified (see Appendix A;
Appendix A of Version 2008);
---The measurement methods, measuring devices and calculation methods of fuel
consumption are modified (see Appendix B; Appendix B of Version 2008);
---The requirements for type extension are added (see Appendix C).
This Standard was proposed by and shall be under the jurisdiction of Ministry of
Industry and Information Technology of the People’s Republic of China.
The drafting organizations of this Standard. Tianjin Internal Combustion Engine
Research Institute (Tianjin Motorcycle Technology Center); Shanghai Motor Vehicle
Inspection Certification & Tech Innovation Center Co., Ltd.; CCIC West Testing
Company Limited; Nanchang Motorcycle Quality Supervision and Inspection Institute
Co., Ltd.; Jiangmen Grand River Group Co., Ltd.; Wuyang - Honda (Guangzhou) Co.,
Ltd.; Sundiro Honda Motorcycle Co., Ltd.; Zhejiang Qianjiang Motorcycle Co., Ltd.;
Jinan Qingqi Motorcycle Co., Ltd.; Zongshen Industrial Group Co., Ltd.; Lovol Heavy
Industry Co., Ltd.; Zhejiang CFMOTO Co., Ltd.
The main drafters of this Standard. Wang Qing, Zhang Jialei, Lu Lin, Lu Jin, Yuan Wanli,
Li Baofeng, Huang Renwei, Liang Weiqiang, Liu Ping, Cai Liangzheng, Cao Xincheng,
Li Fangpeng, Ma Yulin, Wang Sheng, Yuan Zhangping.
This Standard serves as a replacement of GB 15744-2008 and GB 16486-2008.
The issuing of the previous versions of GB 15744-2008.
---GB 5377-1985;
---GB/T 15744-1995;
---GB/T 16486-1996.
The issuing of the previous versions of GB 16486-2008.
---GB 4567-1984;
---GB/T 15744-1995;
---GB/T 16486-1996.
The Limits and Measurement Methods of Fuel
Consumption for Motorcycles and Mopeds
1 Scope
This Standard specifies the limits and measurement methods of fuel consumption for
motorcycles and mopeds.
This Standard is applicable to motorcycles and mopeds powered by spark ignition
engines, as well as regular three-wheeled motorcycles powered by compression
ignition engines.
This Standard is inapplicable to vehicles that merely use gaseous fuels or alcohol fuels.
2 Normative References
The following documents are indispensable to the application of this document. In
terms of references with a specified date, only versions with a specified date are
applicable to this document. In terms of references without a specified date, the latest
version (including all the modifications) is applicable to this document.
GB/T 5378 Methods of Road Test for Motorcycles and Mopeds
GB 14622-2016 Limits and Measurement Methods for Motorcycle Pollutant Discharge
(China stage IV)
GB 18176-2016 Limits and Measurement Methods for Emissions of Pollutants from
Mopeds (China stage IV)
3 Terms and Definitions
What is defined in GB 14622-2016 and GB 18176-2016, and the following terms and
definitions are applicable to this document.
3.1 Type I Test
Type I test refers to the measurement of average fuel consumption of motorcycles and
mopeds under specified operating cycle conditions.
3.3 Type II Test
Type II test refers to the measurement of average fuel consumption of regular three-
wheeled motorcycles and mopeds under specified reference speed conditions.
4 Fuel Consumption Limits
4.1 Calculation Method
4.1.1 Calculation method for fuel consumption of two-wheeled motorcycles and
motorcycles with a sidecar
The fuel consumption FC of two-wheeled motorcycles and motorcycles with a sidecar
shall be calculated in accordance with Formula (1).
4.1.2 Calculation method for fuel consumption of regular three-wheeled
motorcycles and mopeds
4.2 Limits
4.2.1 In terms of two-wheeled motorcycles and motorcycles with a sidecar equipped
with spark ignition engines, if a hand (foot)-operated transmission is used, the limits
are shown in Table 1; if an automatic transmission is used, the limits are shown in Table
2.
5 Measurement Methods of Fuel Consumption
5.1 Type of Test
5.1.1 Two-wheeled motorcycles and motorcycles with a sidecar shall receive Type I test.
5.1.2 Two-wheeled mopeds, regular three-wheeled mopeds and regular three-wheeled
motorcycles shall receive Type I test and Type II test.
5.2 General Requirements
5.2.3 Fuels and lubricants
5.2.3.1 Motorcycles shall use the fuels specified in Appendix H of GB 14622-2016.
Mopeds shall use the fuels specified in Appendix H of GB 18176-2016.
5.2.3.2 The lubricants of engines shall be configurated in accordance with the grade
and quantity requested in the manufacturer’s technical documents.
5.2.4 Environmental conditions
5.3 Measurement of Fuel Consumption of Two-wheeled Motorcycles
5.3.1 Test cycle
The test cycle of two-wheeled motorcycles shall be set in accordance with the
stipulations of C.2.5.6.1 in GB 14622-2016; performed in accordance with the test
cycle shown in Appendix CC of GB 14622-2016; the gear-shifting operation shall be
set in accordance with C.2.5.7 of GB 14622-2016.
5.3.2 Test device
5.3.2.1 Chassis dynamometer
The main characteristics of chassis dynamometer shall comply with the stipulations of
C.2.5.2 in GB 14622-2016.
5.3.4 Test result
5.3.4.1 The calculation methods for fuel consumption by different measuring devices
are shown in B.3.When the method of carbon balance is used, in accordance with the
emission result obtained from the calculation method of gaseous pollutant emission in
C.4.4 of GB 14622-2016, calculate the fuel consumption by Formula (4); the result
shall be expressed in (L/100 km).
5.4 Measurement of Fuel Consumption of Regular Three-wheeled
Motorcycles
5.4.1 Type I test
5.4.1.1 Test cycle
The test cycle of regular three-wheeled motorcycles shall be set in accordance with
the stipulations of C.2.5.6.2 in GB 14622-2016; performed in accordance with the test
cycle shown in Appendix CD of GB 14622-2016; the gear-shifting operation shall be
set in accordance with C.2.5.7 of GB 14622-2016.
5.4.1.2 Test device
5.4.1.3 Test procedures
The test process shall be conducted in accordance with the procedures specified in
C.3 of GB 14622-2016.
5.4.1.4 Test result
5.4.2 Type II test
5.4.2.1 Test conditions
5.4.2.1.1 Before Type II test, the test vehicle shall go through warm-up driving, so as
to reach the thermal state specified in the manufacturer’s technical documents. If this
is not specified, the test vehicle shall complete Type I test, or normally drive for 15 min,
then, receive Type II test.
5.4.2.4 Test method
5.4.2.4.1 Determination of highest test gear and reference speed
The test of constant-speed fuel consumption measurement shall be carried out at the
highest gear and in accordance with the reference speed specified in Table 8.The
highest speed of regular three-wheeled motorcycles shall be measured in accordance
with the stipulations of GB/T 5378.
5.4.2.4.2 Measurement of fuel consumption
5.4.2.4.2.1 The measurement of on-road fuel consumption shall be conducted in
accordance with the following methods.
5.4.2.4.2.2 The measurement of fuel consumption on chassis dynamometer shall be
calculated in accordance with the following methods.
6 Type Expansion
The type expansion shall comply with the requirements of Appendix C. When a certain
vehicle model is expanded, the expanded model cannot be further expanded to other
models.
7 Implementation of Standard
Since the date of issuance of this Standard, type inspection may be carried out in
accordance with this Standard. Since the 13th month from the date of implementation
of this Standard, all models that have obtained type approval shall comply with the
requirements of this Standard.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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