Piston compressor, particularly hermetically enclosed...

Details Piston compressor, particularly hermetically enclosed... Piston compressor, particularly hermetically enclosed...

2005-12-20

2005-12-20

Kim, Chong H. (Department: 3682)

Lubrication

Systems

Rotary compressor

C074S605000, C074S587000, C384S294000, C384S399000

Reexamination Certificate

active

06976559

ABSTRACT:
The invention relates to a piston compressor, particularly a hermetically enclosed refrigerant compressor, with a crank drive, having a crank shaft with an eccentric crank pin and an oil channel arrangement, and a connecting rod with a first piston-side connecting rod eye and a second pin-side connecting rod eye, said eyes having between them a connecting rod shank with a longitudinal channel, which opens into the connecting rod eyes.In this compressor, it is endeavoured to improve the lubricating conditions.For this purpose a bearing element is arranged between the crank pin and the second connecting rod eye, which is unrotatably connected with the second connecting rod eye under formation of an oil channel, the longitudinal channel communicating with the oil channel and a control arrangement being provided, which ensures a communication between the oil channel and the oil channel arrangement at least once per rotation of the crank pin.

REFERENCES:
patent: 3781135 (1973-12-01), Nickell
patent: 4236874 (1980-12-01), Sisk
patent: 4518323 (1985-05-01), Elson et al.
patent: 4567815 (1986-02-01), Kocher
patent: 4856366 (1989-08-01), Nikolaus
patent: 5039285 (1991-08-01), Lindstrom
patent: 5093285 (1992-03-01), Murkens
patent: 5842420 (1998-12-01), Khoo et al.
patent: 6024548 (2000-02-01), Bushnell
patent: 195 16 811 (1996-11-01), None

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