tech

MHI develops new truck refrigeration unit

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Mitsubishi Heavy Industries (MHI) has developed a truck refrigeration unit which enables simultaneous temperature control of two separate cargo compartments with different temperature settings entirely by heat pump. The unit marks the world's first application of a heat pump for a truck refrigeration unit.

The heat pump enables effective transfer of thermal energy from the compartment needing a lower temperature to a cargo room requiring higher temperature, and in this way the new unit provides more than double warming capacity compared with conventional systems that use heat from a compressor for heating. At maximum, the unit will enable a reduction in energy consumption by 75% compared with conventional systems; it will also realize significant energy savings and reduced CO2 emissions.

MHI will launch sales of the new unit in April 2012, initially targeting installation in food transport trucks that require different temperature settings.

The new model, dubbed the "TDJS35HP" series, will be driven by the truck's main engine. In addition to the adoption of MHI's proprietary high-efficiency 3D scroll compressor, the unit is the first in the industry to achieve the company's original chilling/warming free circuit, which reverses the flow of the refrigerant between the heat and cooling exchanging unit in each of the two compartments according to cooling and warming needs. With these features, high-capacity and high-efficiency operation is enabled under all operating conditions. The unit can maintain 5 degrees C (Celsius) cold temperature in the front compartment and 20 degrees C warm temperature in the rear compartment - a temperature suitable for warm rice-based foods and bread - with an ambient temperature range between minus 10 degrees C and 40 degrees C. Rated heating capacity is 5.7 kilowatts (kW).

© JCN Newswire

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Takyubin go go go

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