The Characteristics of the Spiral Compressor for Automotive Air Conditioning 830541

SANDEN CORPORATION (named SANKYO ELECTRIC CO., LTD. prior to September 1982) developed a new automotive air conditioning compressor, the “TR” type, based upon the spiral machine principle. The spiral principle, having been chosen after an elaborate comparative study of several new mechanisms including the vane rotary, the “TR” compressor, proved more than competitive with other types in every criterion.
The design refinement program which followed repeated prototype evaluations, included laboratory tests ranging from regular durability to extreme condition durability, such as low speed-high pressure and low refrigerant/oil charge tests, in addition to field tests in Okinawa Prefecture and other parts of Japan.


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