Compressor capacity and lubrication control system

Details Compressor capacity and lubrication control system Compressor capacity and lubrication control system

1976-05-03

1977-12-20

Vrablik, John J.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

With condition responsive control of non-working fluid

418 85, 418 87, 418 88, 418 97, 418100, 417228, 184 616, F01C 2104, F04C 2902, F04B 3902, F01M 100

Patent

active

040638553

ABSTRACT:
A compressor capacity control and lubrication system including a nonmodulating capacity regulator for an oil flooded gas compressor such as a rotary screw compressor. The system includes an on-off intake regulator. The lubrication system insures sufficient supply of cooling and sealing lubrication when the machine is operating at loaded conditions and a limited quantity of cooling lubrication when the machine is operating at unloaded conditions. This is accomplished by the use of a pair of gas-liquid reservoirs. One of the reservoirs is vented to atmosphere during unloaded operation of the compressor. Lubricant is supplied from both reservoirs to the compressor when the machine is operating at loaded conditions, but only one of the reservoirs when operating at unloaded conditions.

REFERENCES:
patent: 3191854 (1965-06-01), Lowler et al.
patent: 3448916 (1969-06-01), Fraser
patent: 3482768 (1969-12-01), Cirrincione et al.
patent: 3542497 (1970-11-01), Chapuis
patent: 3582233 (1971-06-01), Bloom
patent: 3653191 (1972-04-01), Nelson et al.

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