Bosch Emission Systems
Exhaust gas aftertreatment systems
Typical modules of Euro 6 CV exhaust gas systems
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2
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Exhaust gas aftertreatment systems (ATS)
Bosch Emission Systems is the Tier 1 system integrator
for diesel exhaust gas aftertreatment systems within
Bosch.
BESG offers a comprehensive product and service
portfolio, ranging from complete turnkey solutions to
individually tailored components.
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BESG is a 100% subsidiary of Robert Bosch GmbH and
part of the Diesel Systems organization.
Our innovative product portfolio engages the fulfillment
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DPM for active DPF regeneration
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Exhaust gas system control unit (alternative: engine ECU)
of todays’ legislations as well as future emission
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SCR converter, Denoxtronic Urea Dosing System,
AdBlue tank, heated lines and sensors
▶Comprehensive engine management competence
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DOC/DPF (particulate filtering unit with oxidation
catalyst)
challenges for all markets:
▶Market leading Bosch ATS components
▶Comprehensive ATS system strategies and controls
▶Standardized validated converter modules
Tier 1 system development and supplies
Raw emission based development
Technology specification
▶Tailored converter hardware
▶Cooperation with leading catalyst and substrate
suppliers
ATS system integration
Sample and series production
Full system functional warranty
Worldwide service and global footprint
Project portfolio
System layout and
emission engineering
▶▶ Functional analysis
▶▶ System configuration
▶▶ Performance simulation
▶▶ Parameter fitting
▶▶ Proof of concept
▶▶ Deterioration / Aging
▶▶ Engine and vehicle
verification
Mechanical
engineering
▶▶ Exhaust design
▶▶ Vehicle packaging / Integration
▶▶ CFD (1D/3D) and FEA
▶▶ Sensor positioning
▶▶ Pressure drop
optimization
▶▶ Urea distribution
▶▶ Crystallization
▶▶ Structural reliability
Application and
calibration
▶▶ Component and
system Integration
▶▶ Calibration incl. OBD*
▶▶ Subsystem release
▶▶ Vehicle verification**
▶▶ Variant application**
▶▶ Customer fleet testing
▶▶ Summer and winter
testing
Series production
and aftermarket
preparation
▶▶ Product release
▶▶ Dataset release
▶▶ Technical document
release
▶▶ Service function
development
▶▶ Launch support
** DPF (Soot Loading Model, Soot Burning Model), SCR (Dosing Strategy, Hydraulic Calibration), Departronic HCI, NSC, OBD
** Performance Verification, Surface Temperatures, Crystallization, Hot /Cold-Testing, Altitude-Testing, Fleet-Evaluation
Bosch Emission Systems | Exhaust gas aftertreatment systems
Systems for commercial vehicles
Systems for off highway applications
▶Tailored design
▶Off the shelf modular ATS components available
▶High NOX conversion with compact ATS packaging
▶Standardized validated modules in different sizes, which
▶Allows Euro 6f at NOX > 8 g engine out
cover the engine power range from 56 up to 560 kW
▶Innovative decomposition units which avoid
▶Pre-engineered hardware approach reduces time
deposits, while producing low back pressure
to market and cost
Modular system – Base components
Substrate
DOC
vol. [I]
DPF
vol. [I]
SCR
vol. [I]
Piping
5.66”
2.1– 2.9
2.5 –3.9
4.1–6.6
2,5”
7.5”
2.9 – 5.1
5.8 –7.2
7.2–11.6
3,0”
9.5”
5.2– 8.1
9.3 –14
12–21
4,0”
11.25”
6.5 –11.4
16 –23
21–34
5,0”
13”
8.7–15
28 –37
35–52
6,0”
DOC-DPF
Decomp
modules
SCR
ATS Configuration
DOC-DPF
Dosing module
SCR
Validated modules available in different dimensions
No development or tooling cost for standard components
Customized tubing based on FEM and CFD analysis
Tailor-made converter design optional
Customer benefits
Integration and supplementation with other
Bosch technologies allows comprehensive
powertrain strategies.
As a fullscale Tier 1 supplier, BESG reduces
project overhead costs and improves supply
chain management.
With modular hardware and scaleable content,
BESG reduces project setup costs and improves
time to market.
Established aftertreatment hardware and quality
processes improve lifetime quality and cost.
Bosch Emission Systems
GmbH & Co. KG
Postfach 30 02 20
70442 Stuttgart
Germany
www.besg.com
Printed in Germany
© Bosch Emission System GmbH & Co. KG 2014. All rights reserved, also regarding any disposal, exploitation,
reproduction, editing, distribution, as well as in the event of applications for industrial property rights