Scroll compressor with lubrication of seals in back pressure...

Details Scroll compressor with lubrication of seals in back pressure... Scroll compressor with lubrication of seals in back pressure...

2006-10-17

2006-10-17

Denion, Thomas (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055400, C418S055600, C418S055100, C418S057000, C418S099000

Reissue Patent

active

RE039346

ABSTRACT:
A scroll compressor lubrication system includes a number of embodiments where lubricating oil impinges off surfaces adjacent to the orbiting scroll. The impinged oil creates a lubrication mist, which is deposited on the back surface of the orbiting scroll baseplate. The surface of the orbiting scroll onto which the oil has been deposited rubs against and carries the oil to the back chamber seals and to the back chamber. The seals thus are being lubricated by oil transfer from the back surface of the orbiting scroll to the seals. Sine the oil is deposited on the surface of the orbiting scroll, while it is exposed to suction pressure, only minimal pressurization of oil is required. Thus, there is no damage to the back pressure chamber seals due to over pressurization.

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patent: 6422843 (2002-07-01), Sun et al.
patent: 06307354 (1994-11-01), None

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