Product information

TPL-COur top end 4-stroke turbocharging power pack

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Power up your performance75 % of a diesel engine’s power relies on one vital component – the turbocharger.

While higher power and efficiency are the ultimate aims of turbocharged engine development, there is increasing empha-sis today on a new requirement – lower engine emissions. TPL turbochargers make a vital contribution in all three of theseareas. The TPL-C series was developed for advanced medium-speed, 4-stroke diesel and gas engines in the power range of 3,000 kW to 12,000 kW per turbocharger.

High turbocharger efficiency and compressor pressure ratiosreduce fuel consumption and increase engine power outputwhile helping customers satisfy the new environmental require-ments coming into force.

A compact, modular design with minimized number of partsmakes the TPL-C easy to install and service. Customers benefit from low lifecycle costs and longer times betweenoverhauls.

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Performance you can rely onThe TPL-C is rugged, reliable and compact, for peak performance over a long operational lifetime.

TPL-C turbochargers combine the proven TPL design withnew features that cater to the needs of advanced 4-stroke,medium-speed diesel and gas engines. Rugged and highlyreliable, the TPL-C is designed for a long operational life. Itmeets customers’ as well as end users’ need for a simplerconstruction with fewer parts, greater efficiency at higherpressures, and reduced engine emissions.

A sturdy foot and newly designed filter silencer ensure goodmechanical behavior and reliability for the TPL-C. Vibration isminimized.

Tried and testedABB performs a comprehensive series of qualification tests to ensure the total reliability of its turbochargers. Overall reliability of the TPL-C is also improved by the special designof the bearing assembly, which features a free-floating thrustdisk.

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Benefits that add valueThe TPL-C has features designed to improve performance while keeping your running costs down.

Features Benefits

Two dedicated turbine designs Optimized matching for all applications

Internal plain bearings, lubricated by engine lube oil Long bearing lifetime

Large-diameter radial compressor featuring stabilizer technology Wide compressor maps and high maximum volume flow rates

Free-floating axial bearing disk; radial bearing bushes High availability and reliability; increased TBO

with squeeze oil damper

Oil inlet and outlet at bottom Easy to service; work in a confined space possible

No water cooling on turbine side No water connections; no corrosion problems

Turbine and compressor cleaning nozzles integrated Improved washing efficiency

Compressor cooling option Higher pressure ratios with aluminum compressors

TPL 67-C/TPL 71-C

TPL 76-CTPL 79-C available only with suction branch

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TurbineThe TPL-C turbocharger takes account of the demands of the future 4-stroke market with two different turbines: The turbine of the two smaller sizes (TPL 67-C and TPL 71-C),with lacing wire and in the case of the TPL 67-C also withshroud, is designed for quasi-constant pressure as well aspulse charging systems; the turbine of the larger TPL 76-Cand TPL 79-C is designed for quasi-constant pressure sys-tems and features ABB’s wide chord blading.

CompressorThe high volume flows achieved with the TPL-C compressorsallow optimized matching to different engine applications.High efficiencies and wide compressor maps are ensured bysingle piece, splitter-bladed aluminum alloy wheels with back-swept blades.

Market requirements are covered by a range of different compressor stages. Optional compressor cooling extends the field of application for aluminum alloy wheels. TPL-C compressors also feature air recirculation for a better surgemargin and enlarged map widths.

Design featuresTurbine and compressor.

Volume flow

at M

CR

V [m3/s]

without compressor cooling option

TPL

67

TPL

71

TPL

76

TPL

79

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3.0

3.5

4.0

4.5

5.0

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C33

C34

C35

C36

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Volume flow

V [m3/s]

1.5

1.0

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

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Example of compressor map for TPL 67-C

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Optimized casing designTPL-C casings are optimized for applications on 4-strokeengines. Excellent flow dynamics and minimized thermalstress are ensured. Features include integrated connectionsfor the waste gate and for temperature and pressure mea-surement. Casings are insulated to keep surface temperaturesand noise levels as low as possible.

Design featuresBearings and casings.

Bearing lifetimeBenefiting from experience gained with over 50,000 ABB turbochargers with plain bearings in service worldwide, TPL bearings are designed to run for 36,000 hours beforebeing changed.

ABB developed the new bearing assembly for direct lubricationby the engine lube oil system. The main axial bearing consistsof a free-floating thrust disk with profiles on both sides, rotat-ing at about half the rotor speed. This ensures thick oil films,offering extra-high resistance to wear caused by contaminatedoil. Disk wear is also reduced by the application of an extremelyhard coating. The radial bearing bushes are fixed with screwsand centered in a squeeze oil film damper.

Type A B C D E F Weight kg

TPL 67-C 1120 889 650 778 621 636 1194 1

TPL 71-C 1321 1031 764 892 733 815 19571

TPL 76-C 1296 1359 1310 1293 884 902 35751

TPL 79-C 1523 1577 1540 1521 1026 1080 5400 2

1 includes filter silencer2 without filter silencer and suction branch

TPL 67-C/TPL 71-C TPL 76-C/TPL 79-C

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ABB Turbo Systems LtdBruggerstrasse 71 aCH-5401 Baden/SwitzerlandPhone: +41 58 585 7777Fax: +41 58 585 5144E-mail: turbocharging@ch.abb.com

www.abb.com/turbocharging

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