Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 21, 2006
0Patent Application Number
109954820
Date Filed
November 24, 2004
0Patent Primary Examiner
Patent abstract
The invention provides an improved air chiller unit mounted on an aircraft for sending cooled air to service carts used for serving meals. A compressor 20 of a refrigerant equipped in an air chiller unit has a motor 210 and a rotary compressor 220 disposed in a cylindrical housing 200. An oil separator unit 240 attached to the top portion of a drive shaft 214 of the motor has two disks 241 and 242 which define two labyrinth portions G1 and G2 for effectively separating lubricating oil from the refrigerant traveling toward a refrigerant exit 203.
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