INGAS 18 months Meeting, Paris, 20-21 May 2010INGAS 18 months Meeting, Paris, 20-21 May 2010

INGAS INtegrated GAS PowertrainINGAS INtegrated GAS Powertrain

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18 Month Meeting Paris,Subproject A2,

Status (month 13-18)K. Roessler, Daimler AG

INGAS Subproject SPA2

INGAS 18 months Meeting, Paris, 20-21 May 2010INGAS 18 months Meeting, Paris, 20-21 May 2010

INGAS INtegrated GAS PowertrainINGAS INtegrated GAS Powertrain

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• WPA2.3 WP-Title: Hardware Procurement

• Main objectives of WPA2.3:– Completion of all multi-cylinder engines.– Achievement of a uniform configuration of all engines.– Layout of crankcase ventilation system and procurement.

• Status Summary of WPA2.3: All three engines completed and tested.– Conversion of engines 2 and 3 from CR = 13 to CR = 12.– Layout crankcase ventilation system completed and tested.

INGAS Subproject SPA2

INGAS 18 months Meeting, Paris, 20-21 May 2010INGAS 18 months Meeting, Paris, 20-21 May 2010

INGAS INtegrated GAS PowertrainINGAS INtegrated GAS Powertrain

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• Task A2.3.3 Multi cylinder engines generation 2 - Status:• Third multi-cylinder engine (gen. 2, engine number: YK0003173)

was completed.• Initial test on engine test bench.• Conversion from CR = 13 to CR = 12 (piston InGAS-V1).• Handed over to Continental in March 2010.• Layout of crankcase ventilation system completed and tested. Final

test including piping on engine test bench or vehicle still outstanding.

• Investigations on engine test bench to improve cam phaser behavior carried out. A solution for satisfactory stationary operation was found. Transient behavior is still insufficient.

INGAS Subproject SPA2

INGAS 18 months Meeting, Paris, 20-21 May 2010INGAS 18 months Meeting, Paris, 20-21 May 2010

INGAS INtegrated GAS PowertrainINGAS INtegrated GAS Powertrain

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INGAS Subproject SPA2

Connecting of Ventilation Device2 blow-by outlets at the engine (above camshaft and on the side of the crankcase )

2 blow-by connections at the ventilation device

1 oil return from ventilation device into oil pan

Specification Measurement on AVL engine test bench

Blow-by: max. 70 dm³/min,

Separated oil: approx. 115 g/h,

(at n = 2000 rpm, 300 Nm, pcyl = 120 bar)

Gas outlet without oil

Status - function tested on engine test bench: OK

- mounting/piping for vehicle in preparation

- final test including piping on engine test

bench or vehicle still outstanding

gas outlet

crankcase outlet

oil return

outlet above camshaft

blow-by

gas

oil

INGAS 18 months Meeting, Paris, 20-21 May 2010INGAS 18 months Meeting, Paris, 20-21 May 2010

INGAS INtegrated GAS PowertrainINGAS INtegrated GAS Powertrain

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• Next Steps (month19-24)– Redesign of slide rails with different material. Procurement of parts and

retrofit of engines.– Repair of engine no. 1.

INGAS Subproject SPA2

INGAS 18 months Meeting, Paris, 20-21 May 2010INGAS 18 months Meeting, Paris, 20-21 May 2010

INGAS INtegrated GAS PowertrainINGAS INtegrated GAS Powertrain

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• Problems / Changes compared to plan – Engine damage due to wear of slide rail.

• Engine No. 2 was sent to AVL as replacement.• Redesign of slide rails with different material is in progress.

– Adjustment of cam phaser too slow.• Measurement of oil pressure in preparation.

INGAS Subproject SPA2