Refrigeration – With indicator or tester – Operatively correlated with automatic control
Patent
1997-09-05
1999-03-23
Tanner, Harry B.
Refrigeration
With indicator or tester
Operatively correlated with automatic control
62129, 62193, 622281, F25B 4302
Patent
active
058844945
ABSTRACT:
A protection system for a compressor. The system comprises a compressor having a discharge and including at least one rotor and at least one bearing; a lubrication system including at least one oil recovery device for recovering oil from the compressor, and further including bearing conduit connecting the oil recovery device to the compressor bearing and including rotor conduit for connecting the oil recovery device to the compressor rotors; and an oil protection system. The oil protection system includes a compressor discharge temperature sensor located in the discharge for sensing the temperature of a lubricant/refrigerant mixture discharged by the compressor, a differential pressure sensor located in the bearing conduit for measuring a differential pressure in the bearing conduit, and an oil detector located in the rotor conduit for detecting the presence of oil in the rotor conduit.
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Carey Michael D.
Leaver Daniel C.
Moilanen John R.
Okoren Ronald W.
Smith Sean A.
American Standard Inc.
Beres William J.
Ferguson Peter D.
O'Driscoll William
Tanner Harry B.
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