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Compressor design wins Japanese award

JAPAN: The optimised exhaust port structure developed by Toshiba Carrier for use in its multi-cylinder rotary piston heat pump compressors has been recognised at Japan’s National Invention Awards.

The technology won the National Commendation for Invention which has been awarded since 1919 and recognises contributions to the improvement of science and technology and the development of industry in Japan.

The optimised exhaust port solves the problem of overheating, which is a problem when increasing capacity. It effectively reduces compression loss, discharge pulsation, deflection of the rotating shaft, etc, and makes it possible to increase the capacity and efficiency of refrigeration and air conditioning equipment.

Latest News

25th June 2026

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Daikin first to C&G Assured status

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Refrigerant supplier group will fight illegal trade

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24th June 2026

Japan celebrates the invention of air conditioning

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Employing liquefied hydrogen as a cold energy source

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24th June 2026

Air conditioned bench on trial

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