Solutrans 2021: Thermo King and BPW cool the trailer using an e-axle
The Irish refrigeration unit specialist Thermo King and the Wiehl-based axle and component specialist BPW have introduced a cooperatively developed regenerative cooling system at Solutrans in Lyon. This system is designed to provide emission-free, independent energy for trailers and is expected to pay for itself quickly. The so-called AxlePower technology, featuring BPW's ePower axle, essentially acts as an energy recovery system for trailer refrigeration units. The partners explain that in global cold chains, previously unused energy is generated in the trailer during braking, coasting, or descending hills. Meanwhile, transport companies are seeking sustainable energy sources for operating refrigerated trailers, in terms of both CO2 emissions and noise development.
Rolling energy is no longer lost
The fully integrated system combines Thermo King hybrid or all-electric trailer refrigeration units, BPW's energy-generating ePower axle via recuperation, and battery storage technologies for an efficient, autonomously powered trailer cooling solution, explains the provider. The system stores the energy generated during vehicle coasting or braking in a high-voltage battery with a capacity of 19 or 38 kWh and reuses it to power the refrigeration unit and maintain the cargo at an optimal temperature. The system operates independently of the tractor unit, making it easy to deploy across the customer's entire fleet. The technology also offers immediate compatibility with all Thermo King and Frigoblock trailer refrigeration units.
"Thermo King was the first provider of true hybrid and non-diesel engine-based cooling solutions for trucks and trailers. Today, by combining our expertise with BPW's research and development, we are introducing a new technology that converts a trailer's energy loss during transport into clean, sustainable power for trailer refrigeration units," promotes Francesco Incalza, President of Thermo King in Europe, the Middle East, and Africa.
Thore Bakker, Managing Director Trailer Solutions & Mobility Services at BPW, expressed pride in presenting a climate-efficient solution for refrigerated transport that aligns with the strategy of system and mobility partnership.
"With the European service networks of Thermo King and BPW, operators of refrigerated vehicles can rely on operational reliability, mobility, and service around the clock," advertises Bakker.
Another advantage is that the customer-specific cooling solutions integrate seamlessly into the processes of vehicle manufacturers. Nothing changes in terms of air suspension, center of suspension, wheel ends, or interfaces. Bakker hopes that the simple integration will contribute no less than a "breakthrough in emission-free refrigerated transport."
Ideal solution for sustainable economy
The ability to recover and reuse energy makes the system an ideal solution to increase the sustainability of all types of trailer transports. With quiet operation and no CO2 emissions when running on the battery pack, this technology allows customers to operate inner-city deliveries even in environmental and low-emission zones.
Laurent Debias, Thermo King, sees the technology as a significant advancement in both operational flexibility and long-term sustainability of fleets with refrigerated trailers. Thanks to this form of energy recovery, significant emissions can be reduced, and costs saved on each individual trip.
The provision of electrical solutions for refrigerated transport is part of Thermo King's and Trane Technologies' overall concept to reduce CO2 emissions in the industries they serve. It supports the 2030 sustainability commitments, including the Gigaton Challenge, to reduce customers' greenhouse gas emissions by 1 billion tons.
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