Oil supply structure of scroll compressor

Details Oil supply structure of scroll compressor Oil supply structure of scroll compressor

2006-07-06

2009-08-25

Denion, Thomas E (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055100

Reexamination Certificate

active

07578664

ABSTRACT:
Disclosed herein is an oil supply structure of a scroll compressor. The oil supply structure is provided to prevent a slender hole of an oil supply screw from being clogged with sludge, the oil supply screw being provided between a backpressure space, which is defined between an orbiting scroll and a main frame, and a space which is defined between a fixed scroll and the main frame, and adapted to supply oil from the backpressure space into the space. The oil supply screw includes an orifice having a center hole longitudinally perforated through the center of an upper portion of a screw body of the oil supply screw and a slender hole continuously perforated below the center hole to have the same axis as that of the center hole, and a sludge discharger having a non-flat-plane configuration and formed at a lower entrance end of the screw body.

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English language Abstract of JP 2003-035286 A.
English language Abstract of JP 8-303378 A.
English language Abstract of JP 4-365983 A.
English language Abstract of JP 2003-227480 A.

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