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© 2006 Eaton Corporation. All rights reserved. Hydraulic Launch Assist The Eaton HLA ® System Brad Bohlmann (952) 937-7137

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Presentation on theme: "© 2006 Eaton Corporation. All rights reserved. Hydraulic Launch Assist The Eaton HLA ® System Brad Bohlmann (952) 937-7137"— Presentation transcript:

1 © 2006 Eaton Corporation. All rights reserved. Hydraulic Launch Assist The Eaton HLA ® System Brad Bohlmann (952)

2 What is the Eaton HLA System? The Eaton HLA system is a parallel hybrid hydraulic regenerative braking system. The HLA system recovers the majority of the energy normally wasted as heat during braking and uses it to supplement the engines power during acceleration. The HLA system provides the greatest benefit when the vehicles driving cycle involves stop and go driving.

3 The Eaton HLA ® System What is the HLA system?

4 The Eaton HLA ® System How does the the HLA system work?

5 Why Hydraulics? High power density High energy transfer rate Leverages proven technologies Packaging (size, flexibility)

6 Why Now? Significant improvements have been made by Eaton recently in a number of areas including: External leakage Noise (NVH) Efficiency Electrohydraulic controls Material science for reduced weight Market drivers including demand for improved operating costs and lower exhaust emissions.

7 Why Eaton? Global Leader in fluid power design and manufacture of products and systems. Currently produces over 500,000 pump/motors per year with very high reliability in the field. Strong knowledge of associated technologies: Pumps and motors Valves Electronic controls Accumulators Fluids

8 Why Eaton? World-class expertise in noise, vibration, and harshness (NVH) reduction for on- and off- highway applications. Tier 1 supplier to the truck and automotive industries. Unique portfolio of complimentary products and technologies.

9 Current Status: HLA System Eaton has active HLA system projects for both light & medium duty and heavy duty commercial vehicles. We plan to commercialize the HLA system for refuse applications in Other applications will follow including city transit bus, shuttle bus, and package delivery vehicles.

10 Current Status: Light & Medium Duty HLA system development is being funded in part by the US Army under the HAMMER program. A diesel hydraulic hybrid shuttle bus on a Ford E-450 chassis was delivered to the Army in May The vehicle demonstrated >25% fuel economy improvement on the EPA city driving cycle in testing done at the US EPA.

11 Current Status: Heavy Duty Heavy duty HLA system development is focusing on solid waste compaction (refuse) trucks. Eaton plans to begin fielding a fleet of approximately 20 refuse vehicles with pre-production HLA systems starting in the fourth quarter of These vehicles will be sold to selected refuse collection end users. Eaton plans to commercialize the HLA system for refuse vehicles within months.


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