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GNL PER IL TRASPORTO PESANTE: I CONTENUTI INNOVATIVI ED I VALORI PRESTAZIONALI POSSIBILI GRAZIE ALLA TECNOLOGIA HPDI. L’innovazione nell’ambito dei sistemi di alimentazione GNL per il trasporto pesante: caratteristiche tecniche e prestazionali del sistema Westport HPDI. L’economia e l’ecologia del GNL unite alle performance del diesel.

LNG FOR HEAVY TRANSPORT: INNOVATIVE CONTENTS AND POSSIBLE PERFORMANCE

VALUES THANKS TO HPDI TECHNOLOGY. Innovation in LNG feed systems for heavy transport:

technical and performance features of the Westport HPDI system. The economy and ecology of

LNG combine with diesel performance.

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THE LNG MOST INNOVATING

TECHNOLOGY FOR HD:

THE HPDI TECHNOLOGY

MARKET DRIVERS / NEEDS

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HPDI TECHNOLOGY

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» HPDI injector uses concentric needles to enable diesel and gas to be delivered through the same injector

» HPDI is a common rail system with diesel and gas both independently controlled

Up to 3 diesel injections and 3 gas injections

Diesel pilot quantity and timing can be varied

– Around 4-10mg/inj

Torque is controlled by varying the gas injection quantity

HPDI – HOW IT WORKS

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HPDI BASICS

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ATZ PAPER

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OVERALL PERFORMANCE

MEASURES (ATZ PAPER)

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HPDI SYSTEM LEVEL

ARCHITECTURE

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HPDI SYSTEM LEVEL

ARCHITECTURE

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WESTPORT HPDI 2.0 – FULLY

INTEGRATED SYSTEM

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HPDI 2.0 – SIMPLIFIED SYSTEM

OVERVIEW

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INJECTOR AND RAILS

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GAS CONDITIONING MODULE

(GCM)

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SUBMERGED PUMP DESIGN

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SUMMARY

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