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An oil distribution system for lubricating bearings in a scroll compressor. The system includes an oil collector cup attached to the lower surface of a swing link. Oil pumped through an internal passage in a rotating drive shaft is retained in the collector cup when the compressor stops, so that it

An oil distribution system for lubricating bearings in a scroll compressor. The system includes an oil collector cup attached to the lower surface of a swing link. Oil pumped through an internal passage in a rotating drive shaft is retained in the collector cup when the compressor stops, so that it is immediately available to lubricate adjacent bearings upon restart of the machine. Also disclosed in two embodiments are means for distributing and properly allocating the flow of oil between a thrust bearing and a swing link bearing.

대표청구항 ▼

An oil distribution system for lubricating bearings of a scroll machine, comprising a rotatably driven vertical shaft having an oil pump on its lower end extending into a reservoir of oil, and including an internal oil passage through which oil is conveyed from the pump to the upper end of the shaft

An oil distribution system for lubricating bearings of a scroll machine, comprising a rotatably driven vertical shaft having an oil pump on its lower end extending into a reservoir of oil, and including an internal oil passage through which oil is conveyed from the pump to the upper end of the shaft on which is mounted a swing link rotatably driven by the shaft; an oil collector cup disposed adjacent the swing link, around the oil passage in said driven shaft and rotatably driven by the shaft, in receipt of oil flowing out of the oil passage in the shaft when the pump is operating, and operative to retain a small volume of oil when the pump stops so that the oil retained is immediately available to lubricate adjacent bearings of the scroll machine when the pump again starts; and oil distribution means for distributing oil from the oil collector cup to the adjacent bearings including a thrust bearing and a swing link bearing and allocating the flow of oil between the adjacent bearings in proper proportion to insure adequate lubrication thereof, said oil distribution means including one or more passages in fluid communication with the collector cup for conveying oil to bearings outside the swing link.