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Technical Note

2018.08.26

Development of Scroll Compressor Technologies

Reported by Kenji Tojo, Tojo R&D Office History   The concept of transferring a fluid by combining a pair of same -shaped scroll wraps is said to have existed for a long time. During the...

2018.08.26

Arkema Contributing to Transition to Low-GWP Solutions Follo

Contributed by Allen Karpman, director, Government Affairs, Arkema, Fluorochemicals – Americas For the past 40 years, most of the industrial and consumer uses of fluorinated gases have been c...

2018.08.26

Opteon Series Low-GWP HFO Refrigerants

Opteon XL41 is a replacement for R410A in new equipment. XL41 provides the lowest GWP available (466) of all near-drop-in solutions with a reduction of 78% compared to R410A. In addition to that, it is a very close match to R410A and in some cases even provides superior performances with respect to capacity and efficiency. Classified as mildly flammable (A2L), Opteon XL41 al-lows much higher charg...

PR 2018.09.19

Kaori Heat Exchanger meet Ecodesign for Heating & Cooling experts

In order to contribute the innovation competency and strengthening of the competitiveness for the Heating and Cooling industries, Kaori enhance the development of innovative technologies on energy-eff
2018.08.21

Alternative Refrigerant Issues Update

Overview: Kigali Amendment At the 28th Meeting of the Parties to the Montreal Protocol (MOP 28), held in October 2016 in Kigali, Rwanda, the parties agreed to add an amendment to the Montreal Protoco...

2018.07.28

Screw & Centrifugal Compressors

– Continued from June Issue Efficiency Improvement of Centrifugal Compressors at Offdesign Conditions Ever since the Air Conditioning, Heating, and Refrigeration Institute (AHRI) introduced ...

2018.07.22

Very Successful ACRA2018 Staged in Sapporo

The nineth Asian Conference on Refrigeration and Air conditioning (ACRA2018) was held in Sapporo, Japan, on June 10–13, 2018. Seamlessly organized by Japan Society of Refrigerating and Air Condi...

PR 2018.09.19

i-NX-Q: the new Climaveneta multi-purpose heat pump with inverter technology

Mitsubishi Electric Hydronics & IT Cooling Systems presents i-NX-Q. Climaveneta’s air source multi-purpose unit with scroll inverter compressors and cooling capacity from 43 to 151 kW. The logic of
2018.06.26

Screw & Centrifugal Compressors

–Continued­ from May Issue Latest Technologies of Large Compressors   New Compressor Design for Alternative Refrigerants   Ever since the rising concern about greenhouse gas...

2018.06.23

The Global R32 AC Market – 2017 Overview

– Continued from May Issue Taiwan   All types of R22 air conditioners were prohibited from January 2015, and the room air conditioner (RAC) and packaged air conditioner (PAC) markets h...

2018.06.23

Revision of International Standard on Refrigerant Flammabili

— Contributing to the Uptake of RACs Using Low-GWP Refrigerant In a project of the Japanese New Energy and Industrial Technology Development Organization (NEDO), the National Institute of Adv...

2018.05.29

The Global R32 AC Market – 2017 Overview

Since ‘The Latest Trends of the Global R32 AC Market’ was published in JARN October and November 2016 issues, the global air conditioner market has been shifted to R32 refrigerant to a con...

Toshiba Chemours Danfoss

Exhibition & Event

Johnson Controls-Hitachi Air Conditioning New Shirokuma-kun RAC

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