Lubrication – Systems – Cylinders parallel to shaft
Patent
1993-03-17
1994-06-07
Denion, Thomas E.
Lubrication
Systems
Cylinders parallel to shaft
184 616, 1841041, 418 84, 418 85, 418 97, 417292, 417295, F01M 900
Patent
active
053181514
ABSTRACT:
An apparatus for regulating a compressor lubrication system includes an oil-flooded rotary gas compressor, a reservoir flow connected to the compressor, a heat exchanger for cooling a lubricant, and a controller. A thermal mixing valve regulates the temperature of the lubricant flowing to the compressor. A first temperature sensor measures a discharge temperature at a compressor outlet, and provides a signal corresponding to the discharge temperature to the controller. A second temperature sensor measures a lubricant temperature at a lubricant inlet to the compressor, and provides a signal corresponding to the lubricant temperature to the controller. A pressure sensor measures the pressure at the outlet of the compressor, and provides a corresponding pressure signal to the controller. A valve means continuously regulates the supply of lubricant to the compressor, the valve means being controlled by the controller in response to the temperature signal of the first temperature sensor and the pressure signal. Operation of the thermal mixing valve is controlled by the controller, in response to the temperature signal of the second temperature sensor, to continuously regulate the temperature of the lubricant supplied to the compressor to minimize preheating of the low pressure gas.
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Hart John E.
Hood James A.
Denion Thomas E.
Genco, Jr. Victor M.
Ingersoll-Rand Company
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