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This SAE Recommended Practice promotes uniformity in the evaluation and qualification tests conducted on GDI fuel injectors used in gasoline engine applications, where fuel pressures are typically well above 1 MPa. The document scope is limited to electrically-actuated fuel injection devices used in automotive GDI systems and is primarily restricted to bench tests.

This SAE Recommended Practice was developed to provide a common understanding and usage of the technical terms useful in fuel injection systems for spark ignition engines. Additional nomenclature related to specific components is covered in the individual component sections.

This SAE Recommended Practice was developed to provide a common understanding and usage of the technical terms useful in fuel injection systems for spark ignition engines. Additional nomenclature related to specific components is covered in the individual component sections.

This SAE Recommended Practice was developed to provide a common understanding and usage of the technical terms useful in fuel injection systems for spark ignition engines. Additional nomenclature related to specific components is covered in the individual component sections.

This SAE recommended practice promotes uniformity in the characterization tests conducted on sprays generated by automotive fuel injectors used in both port fuel injection and direct injection gasoline engine applications. More specifically, this companion document to SAE J1832 on port fuel gasoline injectors and SAE J2713 now being finalized for direct injection gasoline injectors is intended for use as a guide to the following: a. Standardize the use of nomenclature specifically related to gasoline fuel injector spray measurements. b. Identify and define the key metrics that constitute the characterization of fuel sprays. c. Establish test procedures and recommend test equipment and methods to measure and quantify these key metrics. d. Establish the recommended data reduction and ananlysis procedures. e. Establish the criteria for data reporting and the required accompanying information that must be supplied in order to interpret and reporduce the test results.

This SAE Recommended Practice promotes uniformity in the characterization tests conducted on sprays generated by automotive fuel injectors used in both port fuel injection and gasoline-direct injection engine applications. SAE J2715 contains the detailed background, procedures and data reduction protocols for nearly all fuel spray characterization metrics that are applicable to automotive applications. It is intended to be utilized in conjunction with other SAE J documents that address injector performance metrics. These are SAE J1832 for Port Fuel Injection and the forthcoming SAE J2713 for Gasoline Direct Injectors.

This SAE Recommended Practice Document promotes uniformity in the evaluation tests and performance measurements that are conducted on fuel injectors that are used in low-pressure gasoline engine applications. The scope of this document is limited to electronically-actuated fuel injection devices that are utilized in automotive gasoline port fuel injection systems where the fuel supply pressure is usually below 1000 kPa (low-pressure). Detailed test procedures are provided for determining numerous PFI injector parameters, including, but not limited to, flow curves, leakage, electromechanical performance, fluid compatibility and corrosion susceptibility, durability, the effects of vibration and torsional deflection, thermal cycling effects and noise. The standardized measurement procedures in this document are all bench tests.