Vapor Compression Cooling System With Improved Energy Efficiency Through Economization

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United States of America Patent

SERIAL NO

14879441

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Abstract

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A cooling system has a cooling circuit that includes an evaporator disposed in a cabinet, a condenser, a compressor, a liquid/vapor separator tank and a liquid pump. The cooling circuit has a mode wherein the compressor and liquid pump are both on with the liquid pump pumping refrigerant through the evaporator with the refrigerant leaving the evaporator circulated to an inlet of the liquid/vapor separator tank and not to an inlet of the condenser. The cooling circuit also has a pumped refrigerant economizer mode wherein the liquid pump is on and the compressor is off and bypassed with the refrigerant leaving the evaporator circulated to the inlet of the condenser and not to the inlet of the liquid/vapor separator tank.

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Patent Owner(s)

Patent OwnerAddress
LIEBERT CORPORATION1050 DEARBORN DRIVE COLUMBUS OH 43085

International Classification(s)

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  • 2015 Application Filing Year
  • F25B Class
  • 1157 Applications Filed
  • 883 Patents Issued To-Date
  • 76.32 % Issued To-Date

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haggy, Greg Gahanna, US 6 185
Harvey, Thomas Columbus, US 17 251
Judge, John F Galena, US 26 604
Lu, Zongtao Pittsburgh, US 8 211
Schrader, Timothy J Irwin, US 13 405
Sillato, Stephen Westerville, US 19 356

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Patent Citation Ranking

  • 6 Citation Count
  • F25B Class
  • 19.17 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges120434451922401 - 1011 - 2021 - 3031 - 4041 - 5051 - 600255075100125150175200225250275300325350375400425450475

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