Refrigeration compressor lubrication

Details Refrigeration compressor lubrication Refrigeration compressor lubrication

1978-10-05

1979-11-20

Croyle, Carlton R.

Pumps

Motor driven

Interrelated or common lubricating or cooling means for pump...

417902, F04B 1700, F04B 3500

Patent

active

041749278

ABSTRACT:
There is disclosed herein a lubrication system for a compressor which includes means for directing lubricant supplied to an upper bearing across the working surfaces thereof and returning this lubricant directly to the oil sump of the compressor thereby preventing lubricant from entering the compressor means which may result in slugging thereof. This oil return means includes an upper bearing which is provided with grooves on the working surface thereof which direct excess oil supplied to the bearing back to the oil sump while allowing a lubricating film of oil to remain between the adjacent bearing and crankshaft surfaces.

REFERENCES:
patent: 2500751 (1950-03-01), Halfvarson
patent: 3253776 (1966-05-01), Parker
patent: 3965880 (1976-06-01), Michael
patent: 4111612 (1978-09-01), Paczuski

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