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Tough Application for the Rental fleet of STILL Hybrid Trucks

2012-05-28 10:12 Kind:转载 Author:STILL Source:STILL
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Hybrid trucks reduce C02 emissions
The hybrid trucks combine the advantages of a powerful IC drive with the sensitivity of an electric truck. The diesel-electric drive from STILL is mainly characterised by its high efficiency and its long service life. This powerful propulsion system consists of a generator, an intelligent control unit and an electric motor. In the system, the generator is driven by a fuel-efficient diesel or LPG engine. A control unit regulates the electric power which is transmitted to the electric drive motor as needed. Thanks to the low fuel consumption, the CO2 emission is drastically reduced in comparison to comparable models.

First hybrid truck from serial production with energy recuperation
The RX 70 Hybrid is the first counter balance truck produced in series to feature energy recuperation and electric power transmission as a hybrid truck. When the driver releases the accelerator pedal, the truck is electrically slowed down wear free. During the deceleration, the kinetic energy is transformed into electric energy which is then fed into the high capacity capacitors (UltraCaps) mounted on the rear of the truck. UltraCaps are able to quickly absorb and release high currents. This is important if the truck accelerates and stops frequently as it is the case when loading and unloading HGVs, for example. Fair grounds often demand for this type of work and are therefore the ideal place of application for the RX 70 Hybrid. In combination with an extremely efficient utilisation of the internal combustion engine, the energy recuperation provides additional potential to save up to 15 percent of fuel compared to a standard RX 70.

Blue-Q – Saving energy at the push of a button
With the energy saving mode Blue-Q, STILL offers another means to save power. The driver can activate this mode by pressing a button. Blue-Q does not only affect the driving characteristics, but also intelligently switches electric devices on the truck on and off. For example, this can be the seat heater which is switched off when the driver leaves the cabin. Optimising the characteristics of the IC engine, will reduce the fuel consumption up to twenty percent, depending on the application profile and the equipment of the truck. Less wear and longer maintenance intervals will reduce costs further and improve the economic feasibility of the truck.

Transport control system to optimise truck utilisation
Together with the RX 70 Hybrid, Kühne + Nagel Hannover also installed a new truck control system which, amongst others, optimises travel routes for the trucks. The communication in-between the trucks themselves and with the control centre is handled by mobile GRPS radio data terminals. Oliver Hoffmann explains: “To provide the function of the mobile radio data terminals on the trucks also during long lasting applications, we have equipped all the trucks with on-board 12 V power supply and supports inside the cabins to hold the terminals. This allows recharging the radio data terminals during the application.“ Transport jobs are entered into the transport control system either manually or via IT interface. Traffic manger at Kühne + Nagel Hannover, Lars Reichelt, explains: “The essential benefit of the new system is the dynamic calculation of optimised transport sequences in real time: If a new transport requirement is registered in the system, or if there is a delay or a traffic slow-down anywhere, the system re-calculates the new optimisation based on all the transport requirements and all the trucks currently available and assigns the job respectively within a few seconds. The control system guides the trucks to take the shortest routes. Amongst other measures we provide our contribution to reducing the emission of CO2 by this optimisation.”

Summary
To reduce energy costs, STILL develops sustainable technologies and processes which are practically applicable to every day challenges. With the series production of the RX 70 Hybrid, STILL has made another step towards eco-friendly and efficient industrial trucks. The benefits of the STILL hybrid technology are at hand: Notably reduced fuel consumption, reduction of noise and vibration and eco-friendly order handling by reducing CO2 emissions.
To co-ordinate the transport requirements of the exhibitors, Deutsche Messe in Hannover will continue its cooperation with Kühne + Nagel in the future as well. With some 60 fairs and events every year on the fair grounds covering approximately one million square meters and fairs in Shanghai, Istanbul, Moskau, Sao Paulo as well as in Dehli in India, Deutsche Messe is one of the globally leading fair companies. The head of technical services for exhibitors, Harald Windeler, notes: “The globally leading fair for the intralogistics industry CeMAT has been presenting STILL as an exhibitor for many years in Hannover. Especially the intralogistics industry offers technical solutions that achieve higher performance with less energy consumption. This is why Deutsche Messe supports the sustainable ‘GoGreen’ project from STILL and Kühne + Nagel.”





 

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