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TCT FUEL SYSTEM
 
A new cost competitive single point metering fuel system which will allow most Phase 2 Small Off Road Engines (SORE) meet EPA Phase 3 legislation without engine improvements or the use of a Catalyst
 
 
 
 
 
   Main benefits of the TCT fuel system are:

  • 30-40% engine out emissions (HC+NOx) reductions
  • Cost competitive
  • Up to 25% usage reduction
  • Eliminates or reduces the amount of after treatment required
  • Compatible with 3 way catlytic after treatment with lambda 1 operation at all part load mode points
  • AFR control. Easy to calibrate - will allow SORE run leat at lighter loads and rich at high loads
  • Stable combustion at lambda 1 operation (able to run out to 20 to 1 AFR before any misfires occur)
  • Single point metering
  • Easy to apply electronic control / feed back control due to single point metering
  • Will operate on fuels like Gasoline, Kerosene (JP8), Alcohol, LPG and NPG
 
TCT Fuel System Technology in Co-Operation with  

Orbital statements about TCT

  • Orbital have worked with Fjolblendir on the development of the demonstration TCT and genset
  • Independent testing by Orbital shows that an optimised TCT has the capability to typicalli deliver HC+NOx emission results of over -30% as measured on the J1088 test cycle, whilst retaining good operating characteristics. The specific engine family emission improvement capability is linked to the performance of the base engine
  • The emission improvement offers the OEM potential to meet Phase III (or other) emission requirements without the use of a catalyst or aftertreatment.

 

SAE J1088 A cycle results on various Class 1 engines typically
show 30-40% reduction in HC+NOx
 
 
 
Engine
Techumseh
Side Valve
GX160
(QUB)
GX160
(Orbital)
Fuji Robin
EX210

GX200

Baseline
(g/kWh)
HC

 

 

5,21

13,15

6,19

NOX

 

 

3,80

1,65

2,64

HC+NOx

22,00

16,60

9,01

14,80

8,83

CO

450,00

651,13

291,31

432,64

368,13

TCT
(g/kWh)
HC

 

 

3,27

6,89

3,29

NOX

 

 

2,79

3,09

2,27

HC+NOx

14,50

11,97

6,05

9,98

5,56

CO

270,00

453,17

211,00

182,67

224,15

Reduction
(g/kWh)
HC

 

 

-37%

-48%

-47%

NOX

 

 

-27%

87%

-14%

HC+NOx

-34%

-28%

-33%

-33%

-37%

CO

-40%

-30%

-28%

-58%

-39%

 
Please visit the TCT Technology pages for further and more detailed technical information