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TriumF. Test bench for testing CR injectors

TRIUMF benches are manufactured with the possibility of retrofitting with a hardware and software complex for encoding Bosch, Delphi, Denso injectors. To encode the Delphi injectors, a device is additionally installed, which allows to create a vacuum in the backleak line of the injector. The set of the vacuum creating device is a gear pump, a venturi tube and an electric motor. The device is installed on the bulkhead, which is located in the lower part of the bench above the cooling unit.

As a working fluid in the test bench, a test liquid of ISO 4113 standard is used. The source of high pressure is a high-pressure fuel pump (HP pump), which has a drive from an asynchronous motor of 4 kW, 1500 rpm. As a feed pump, a gear pump is used, integrated into the injection pump housing and having the same drive.

The vacuum creating device is mounted on a separate gear pump, which is located at the bottom of the bench above the cooler.

For thermostabilization of the test liquid in the tank, the following applies:

  • two radiators with forced air cooling for the backleak line from the injection pump and the -backleak line from the pressure accumulator (rail).
  • independent cooler with air heat exchanger.
  • 1000 W tubular electric heater

Working pressure up to 1800 bar. It is possible to increase the working pressure to 2400 bar.

The bench has an electronic measuring system with the possibility of simultaneous testing of 4 injectors.

The program with test plans is included in the set of delivery. Software updates, including new test plans, are published twice a year and are provided free of charge.

Set of delivery for TRIUMF
Name Amount
*PC with monitor and keyboard 1
*Software 1
 Injector holder Ø 9 mm 2
Cable for connecting pressure regulator 1
Cable for connecting pressure sensor 1
Universal cable for injectors 1
Cable for Delphi injectors type 1 1
Cable for Delphi injectors type 2 1
Cable for Bosch injectors type 1 1
Cable for Bosch injectors type 2 1
Cable for truck injectors  type 1 1
Cable for truck injectors type 2 1
High pressure line  М14хМ14х400 mm 4
DL-UNI50083 Adapter М14хМ12 mm 4
Set of adapters for injector backleak 1
Set of connectors of Denso injector backleak 1
Doorlock key 4
Legs 4

* installed on the bench

** optional

Technical data

Rotation speed 1500 min-1
Main engine power 4 kW
Number of simultaneously tested injectors 4
Tank capacity 30 dm3
Supply voltage 3x400V/230V~ 50 Hz
Valve supply for electronic measurement system of injectors 24 V
Pulsing frequency of the injectors opening 60 – 1500 min-1
Pulsing duration of the injectors opening 100 – 3000 mcs
Test fluid pressure setting of the test liquid in a range 0-100±1 degr.С
Test fluid overflow temperature control on each injector
Electronic pressure measurement in Rail in a range 0 – 1800±5bar
Rail pressure setting in range 0 – 1800±5bar
**system pressure change in the range 0 – 2400±5bar
Number of measuring sensors 2
Measuring speed of the measuring unit 0,01 l/min-0,5 l/min
Accuracy of measurement (cars) no more than 1%
Accuracy of measurement (truck cars) 0,15 mm3 — 400 mm3 no more than 1,5%
 Resolution of injector measuring unit ~ 0,1 mm3 /1 cycle (injection)
Cooler compressor capacity 800 Wt
Maximum current 23 A
Test liquid heater power 1000 W
Safety screen polycarbonate 10 mm
Dimentions W 1010, H 1504, D 660
Total weight 430 kg

Appearance and overall dimensions of the TRIUMF test bench