GB/T 25363-2010Electromechanical solenoid fuel injector assemblies of gasoline engines - Testing methods (English PDF)
汽油机电磁阀式喷油器总成 试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 10, 2010
Implementation date
March 1, 2011
Scope
GB/T 25363-2010 is the English-translated version of 汽油机电磁阀式喷油器总成 试验方法.
GB/T 25363-2010 is the Chinese standard "Electromechanical solenoid fuel injector assemblies of gasoline engines - Testing methods". Its scope clause reads: This standard specifies the gasoline engine with a low pressure solenoid valve injectors (hereinafter referred to as injector) terms and definitions, test methods.
This standard applies to the fuel injection pressure in the range of 150kPa ~ 450kPa injector. Its clauses include terms and definitions.
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Document preview — GB/T 25363-2010
National Standard of the People's Republic of China
- ICS
- 27.020
- Classification
- J 90
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 3.1 Injection cycle period (referred to as P)
- 3.2 Pulse width pulsewidth (referred to as PW)
- 3.3 Dynamic flow dynamicflow (referred Qd)
- 3.4 Static flow staticflowrate (referred Qs)
- 3.5 Coil resistance coilresistance (referred to as R)
- 3.6 Sauter mean diameter sautermeandiameter (referred to as SMD)
- 3.7 Operating voltage operationvoltage (referred to as V)
1 Scope
This standard specifies the gasoline engine with a low pressure solenoid valve injectors (hereinafter referred to as injector) terms and definitions, test methods.
This standard applies to the fuel injection pressure in the range of 150kPa ~ 450kPa injector.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Can you use the latest versions of these files. For undated reference documents, the latest versions apply to this standard.
GB/T 16538 sound pressure Determination of sound power levels of noise sources on-site comparison method (GB/T 16538-2008, ISO 3747.
2000, IDT)
QC/T 413-2002 automotive electrical equipment basic technical conditions
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1 Injection cycle period (referred to as P)
Countdown injection frequency; ie one injection to the next start time required for the injection start in milliseconds (ms).
3.2 Pulse width pulsewidth (referred to as PW)
Injector injection time once required, in milliseconds (ms).
3.3 Dynamic flow dynamicflow (referred Qd)
In the pulse width specified conditions, at different frequencies injector fuel injection, in grams (g).
3.4 Static flow staticflowrate (referred Qs)
At a fixed pulse width condition, when fully opened injector fuel injection, in grams (g).
3.5 Coil resistance coilresistance (referred to as R)
DC resistance of the injector solenoid coil in ohms (ohm).
3.6 Sauter mean diameter sautermeandiameter (referred to as SMD)
Also known as the equivalent diameter of the surface area, surface area, volume mean diameter. The average diameter of the particles is a surface area distribution in microns (µm).
3.7 Operating voltage operationvoltage (referred to as V)
Applied to the injector solenoid coil across the DC voltage or DC pulse voltage, in volts (V).
GB/T 7184-2023 | GB/T 23341.1-2018 | GB/T 23341.2-2018 | GB/T 17805-2025 | GB/T 15371-2023 | GB/T 25362-2010 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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