Patents/Inventors

Yifan Qiu

Manlius, NYUS4 patents

5 Patents

US123854912025
Direct Drive Refrigerant Screw Compressor with Refrigerant Lubricated Rotors
CARRIER CORPORATION
0 cites
US120551432024
Screw Compressor with Adjustable Passage
CARRIER CORPORATION
0 cites
US119594842024
Direct Drive Refrigerant Screw Compressor with Refrigerant Lubricated Bearings
CARRIER CORPORATION
0 cites
US119596732024
Enhanced Method of Lubrication for Refrigeration Compressors
CARRIER CORPORATION
0 cites
US118985612024
Direct Drive Refrigerant Screw Compressor with Refrigerant Lubricated Rotors
CARRIER CORPORATION
0 cites