Scroll compressor

Details Scroll compressor Scroll compressor

2005-03-29

2005-03-29

Denion, Thomas (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055600, C418S094000, C418S150000, C184S006180

Reexamination Certificate

active

06872062

ABSTRACT:
To provide a scroll compressor that has a lower sliding friction loss and high compression efficiency, taking the diameter of a main shaft (61) as Dm and the diameter of a crank shaft (62) as Dc, the crank shaft (62) formed at one end of the main shaft (61) is arranged so that the eccentricity e thereof with respect to the main shaft (61) has a relation of e>(Dm−Dc)/2. Further, to support a main bearing (31) of a main frame (3) by the main shaft (61) serving as a sliding bearing and to support a crank bearing (421) of an orbiting scroll (42) by the crank shaft (62) serving as a sliding bearing, a joint shaft (65) for connecting the main shaft (61) and the crank shaft (62) to each other is formed so as to have a shape that falls within the main shaft diameter and within the crank shaft diameter when viewed in the axial direction.

REFERENCES:
patent: 5304045 (1994-04-01), Hoshino et al.
patent: 59113290 (1984-06-01), None
patent: 01178988 (1989-07-01), None
patent: 04054296 (1992-02-01), None
patent: 04365983 (1992-12-01), None
patent: 2572215 (1996-10-01), None

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