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Delphi E3 Diesel Electronic Unit Injector

Posted on 8/23/2016 3:51:37 PM

The Delphi E3 Diesel Electronic Unit Injector (EUI) is one of the world's most advanced production diesel unit injectors for high performance heavy duty applications. The Delphi E3 EUI integrates a high pressure pump and separately controlled nozzle needle into a single fuel injection device. It is driven by the engine's overhead camshaft, with one EUI per cylinder. Delphi's E3 EUI dual valve design offers enhanced fuel delivery control at high-speed, ultra high pressure operation and many advanced features including a flexible injection capability enabling pilot, post and split injections to reduce engine noise and exhaust emissions.
The Delphi E3 EUI is designed to help manufacturers meet the world's most stringent emissions regulations. It is the flagship of Delphi's extensive range of high quality EUI products, which are designed to fit the same injector pocket. This allows manufacturers the freedom to meet a variety of emissions standards with the same cylinder head design.

High speed dual valve operation for accurate control of injection events
High pressure injection for optimized combustion and reduced aftertreatment
Lightweight, compact design for enhanced efficiency
Available with a wide range of high pressure nozzle options
Multiple injection capability with programmable shot-to-shot injection control
Programmable variable nozzle opening and closing pressure
On board diagnostic and dynamic trimming capability (glitch control)
Cost effective technology
Proven reliability and durability
Target emissions: Euro IV, V, and VI; US 07 and US 10 and beyond; Tier IV; Japan NLTR and post-Japan NLTR
Typical Applications
The Delphi E3 Diesel Electronic Unit Injector is suitable for nine to 16 liter heavy duty diesel engines used for on- and off-highway applications, including trucks, buses, generators, marine, and construction and agricultural equipment.
Specifications: (Chart)
 Plunger diameter range 9 mm to 11 mm
 Stroke range Up to 19 mm
 Engine cylinder capacity 1.5 L to 2.6 L
 Peak pressure 2,500 bar
 Weight 1.1 kg
 Drive voltage 50 V (operates on 12 V and 24 V vehicles) 
Performance Advantages
The Delphi E3 Diesel Electronic Unit Injector provides a major advantage for diesel engine manufacturers in meeting extremely stringent future emissions requirements. And with optimized hydraulic performance and one million miles durability, it represents a significant advancement in heavy duty diesel fuel injection technology.
The Delphi E3 EUI helps achieve extremely low smoke/particulate levels at any engine load and speed and, thus, helps reduce the need for large and costly aftertreatment devices.

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