Martin Bragg Isuzu Truck (UK) Ltd
Isuzu Isuzu Company Background Isuzu Motors Formed in 1911 (Tokyo Shipbuilding & Engineering Company Ltd)Isuzu Motors Formed in 1911 (Tokyo Shipbuilding & Engineering Company Ltd) Total vehicle production in excess of 28 millionTotal vehicle production in excess of 28 million Over 5.5 million “N-Series” trucks producedOver 5.5 million “N-Series” trucks produced Worldwide production circa 700,000 units/annumWorldwide production circa 700,000 units/annum 1.4milion Diesel engines produced per year1.4milion Diesel engines produced per year
Isuzu Engine Applications
Isuzu S.E.E Program Improve efficiency and reduce CO emissions Make exhaust gases cleaner Develop clean energy vehicles Reduce vehicle external noise Reduce environmental impact substances Improve recyclability Reduce air conditioner refrigerants Reduce VOC in vehicle cabins
Manufacturing Motive Power Technology Disposal
Isuzu Isuzu Company Background 5 - Main Factories Located in Japan 96 - Assembly Plants Worldwide (Combined Area of 8,529,893 sq/m)
Manufacturing All plants accredited to ISO Environmental Management ‘Plan for the Global Environment’
1993 – 1999 achievements Improve fuel economy – 11% reduction Clean up emissions- legislation - idling stop/start - Particulate filter Dual fuel vehicles- CNG/Diesel
‘Plan for the Global Environment’ 1993 – 1999 achievements Reduce plant waste - 85% reduction Energy savings plant -Energy usage -17% -CO 2 emissions -46%
Engines designed for low emissions
Diesel vs. Petrol CO ItemDieselGasoline Exhaust emissions NOx-Better PM-Better (fuel consumption related)Better- Others Noise level-Better Engine torqueBetter- DurabilityBetter-
EURO EMISSION STANDARDS FOR TRUCKS Emissions by Euro class g/kWh Carbon monoxide HydrocarbonsNitrogen dioxide Particulate matter Methane Euro 0 (1990) —— Euro 1 (1993) — Euro 2 (1997) Euro 3 (2001) Euro 4 (2006) Euro 5 (2009)
Isuzu Truck (UK) Ltd Grams per Kilowatt Hour EmissionEuro IVIsuzu4JJ 3.5t – 6.2t 150bhp Isuzu 4HK 7.5 tonnes 190bhp Euro V Nox CO HC PPM
Two Systems for Euro 4 SCRSCR EGREGR
SCR Selective Catalytic Reduction Ad Blue and SCR- most European manufactures requires additive to be purchased and added to the vehicle. Has weight penalty on some vehicles Ammonia or Urea used as a reactant Catalytic converter used to absorb residue
Isuzu’s answer to Euro 4 Common rail, high pressure, pilot, main & post injectionCommon rail, high pressure, pilot, main & post injection Variable nozzle turbochargerVariable nozzle turbocharger Exhaust gas recirculation (EGR)Exhaust gas recirculation (EGR) Self cleaning diesel particulate defuser (DPD)Self cleaning diesel particulate defuser (DPD)
Diesel Particulate Defuser DPD
Alternative Fuels Compressed Natural Gas Liquefied Petroleum Gas Dimethyl Ethel Diesel Hybrid Fuel Cell
CNG Advantages Zero PM emission Low NOx emission Very low CO emission Disadvantages Short running distance Heavy fuel container
LPG AdvantagesDisadvantages Very low emissionsFuel consumption equivalent to petrol
DME AdvantagesDisadvantages Zero PM emissionShorter life No black smokeNo fuel structure Good economy
Diesel Hybrid AdvantagesDisadvantages Improved fuel economyComplex system Low CO 2 EmissionsHigh maintenance Reduced emissions forcosts start up and acceleration
Diesel Hybrid
ELECTRIC On Board Batteries Weight penalties May be exempt from type approval
Fuel Cell
Transmission
Easyshift: the Manual gearbox that thinks it’s an Automatic
Easyshift Characteristics (Comparison with A/T) A/T (Torque Converter)Easyshift (Fluid coupling) Vehicle speed Dry type clutch M/T level Lock up up Fluid coupling operate only for starting Transmission efficiency Transmission efficiency Lock Up Transmission Loss Transmission Loss A/T NEES
Speedlimiters
End of Life ELV