Compressor device for controlling oil level in two-stage high do

Details Compressor device for controlling oil level in two-stage high do Compressor device for controlling oil level in two-stage high do

1992-01-09

1993-08-17

Bertsch, Richard A.

Pumps

Successive stages

Reciprocating rigid stages

62510, F04B 4106, F25B 110

Patent

active

052363112

ABSTRACT:
A multi-stage compressor assembly including an arrangement for controlling the oil level having first and second capillary tubes. First capillary tube connects between the second stage high pressure housing at a level above the normal oil sump level to the first stage low pressure housing. The second capillary tube connects from the first stage housing at a point above the normal sump level to a point on the second stage suction tube. The oil level is automatically self compensating by the location of the capillary tube inlets and by differential housing pressure urging oil migration through the capillary tubes.

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