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Electronically Controlled HEUI Injector Tester for CAT C7 C9 C3126 Unit Calibration
Basic Properties
Trading Properties
| Purpose: | Purpose: Testing And Calibrating Diesel Injectors | Pressure Range: | Up To 2700 Bar |
|---|---|---|---|
| Type: | Diesel Injector Tester | Control System: | Electronic Control With Digital Display |
| Compatibility: | Suitable For Various Diesel Engine Injectors | Fuel System: | CRDI / HEUI / EUI/ EUP |
| Power Supply: | 220V / 380V | Portability: | Portable Design With Wheels |
| Material: | High Strength Steel Frame | Colour: | Green / Red |
| Highlight | Heui Injector Tester C3126B Unit Calibration,Heui Test Bench C3126B Calibration,Injector Test Bench Medium Pressure |
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What is HEUI fuel injection system?
The HEUI system (Hydraulic Electronic Unit Injector) is a medium-pressure common rail, electronically controlled hydraulic injection system developed by C-aterpillar in the United States. Its core feature is the use of engine oil as the hydraulic medium, combined with electronic control and hydraulic actuation to achieve high-pressure fuel injection.
Technical Features
Hydraulic Actuation: Medium-pressure (approximately 20-30 MPa) engine oil drives the booster piston inside the injector, raising fuel pressure to over 200 MPa.
Electronic Control System: An electronic control unit precisely regulates hydraulic pressure and injection timing for precise injection.
Independent Injectors: Each cylinder is equipped with an independent hydraulically controlled electronic injector, eliminating the traditional distributor structure.
Comparison with Traditional Fuel Injection Systems
Unlike traditional high-pressure common rail systems (which rely on the inherent high pressure of the fuel), HEUI uses indirect hydraulic actuation, resulting in a more complex structure but higher fuel pressure.
Unlike mechanical pump-injector systems, HEUI utilizes a combination of electronic control and hydraulic actuation to improve fuel efficiency and emissions.
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