Method and device for producing cold

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6463744
SERIAL NO

09674948

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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In a process for refrigeration in the 65 to 150 K temperature range, in which the refrigerant is compressed using an oil-lubricated compressor, then cooled to ambient temperature and then oil is removed from the refrigerant before the refrigerant is fed to a Joule Thomson heat exchanger, the refrigerant is additionally cooled after it has been cooled to ambient temperature and before it enters the Joule Thomson heat exchanger. In a device for refrigeration in the 65 to 150 K temperature range, which has an oil-lubricated compressor for compressing a refrigerant, an aftercooler connected downstream for cooling the refrigerant to ambient temperature, a device following on from this for removing oil from the refrigerant and a Joule Thomson countercurrent heat exchanger connected downstream of the device for removing the oil, an oil condenser is arranged between the aftercooler and the Joule Thomson countercurrent heat exchanger.

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Patent Owner(s)

  • MESSER GRIESHEIM GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alexeev, Alexander Dresden, DE 17 35
Quack, Hans Dresden, DE 6 68

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