Innovations in Gaseous Fuel Systems & Vehicle technologies

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Transcription:

Alexander Freitag Robert Bosch LLC Innovations in Gaseous Fuel Systems & Vehicle technologies 1 DS/RP-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

Powertrain Technology Emissions Performance Cost Pneumatics Air system Exhaust Filters Packaging Requirements CO2 Diagnosis & Service Waste Heat Recovery Injection system Off Highway (19-560kW) On Highway (MD, HD) Electric Hybrid Engineering & calibration Measurement & test devices Engine control Exhaust after treatment CNG / Dual fuel 2 F14-023e-Se (DS-B2/NE) 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

Future Requirements Natural Gas Engines Remain competitive in case closing price gap Provide robust OE solutions Meet future OBD requirements Minimize methane emission $6.00 $4.00 $2.00 Diesel CNG 9 9 9 9 9 $0.00 3 DS/ENS3-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

Natural Gas Engine Configuration HFM CAC EGR Cooler TWC VGT Natural Gas engine tested and key characteristics defined for best performance/emissions and fuel economy 4 DS/ENS3-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

Increasing NG Engine Efficiency 1. Exhaust HFM Gas (3) Recirculation 2. High Energy Ignition 3. Optimized Gas metering & mixing 4. Three way catalyst (1) (2) (4) TWC 5 DS/ENS3-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

EGR Exhaust Gas Recirculation Enables best engine performance EGR is an enabler for future requirements 6 DS/ENS3-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

EGR Exhaust Gas Recirculation Enables diesel like performance and improves BSFC 7 DS/ENS3-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

High Energy Ignition Enabler for increased EGR 8 DS/ENS3-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

High Energy Ignition BSFC CO2 THC A B C Ignition Energy Increasing Increasing ignition iti energy benefits fuel efficiency i and emissions i 9 DS/ENS3-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

Cylinder-Specific Metering HFM Enabler for combustion optimization 10 DS/ENS3-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

Natural Gas Fuel Systems CPI: Central Point Metering MPI: Multi Point Metering DI: Direct Metering Various methods exist to introduce fuel to the engine 11 DS/ENS3-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

MP-OVI: Multi Point Open Valve Metering Injectors OVI enables on-demand d cylinder fueling with low metering pressure 12 DS/ENS3-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

Conclusion Natural Gas continues to be an attractive alternative primary energy source for transportation Potential ti for reduction of emissions i Abundant supply in North America Stable fuel prices Future Requirements of Natural Gas systems defined. TCO and Robustness are main factors for success. Application of EGR, high-energy ignition, and advanced metering & mixing technology to improve uptime and emission stability. 14 DS/ENS3-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

Thank You 15 DS/RP-NA 6-May-2014 2014 Robert Bosch LLC and affiliates. All rights reserved.

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