| 摘要 |
The present invention relates to a compressor of the type having a shell. The compressor (1) of the invention comprises a drive shaft (10) provided in a sealed casing (6), an oscillating shaft (21) formed by an eccentric extension of the drive shaft, an oscillating drum (28) mounted on the said oscillating shaft, a unit (17) fixed into the sealed case and accommodating the drive shaft which is free to rotate in a through-hole (18), a stationary drum (35) forming a compression space (34) with the oscillating drum, an oil reservoir (22), a sealing bearing (45), at least one supply groove (50) formed on the outer surface of the drive shaft, and an oil feed orifice (49). The invention applies particularly to coolant compressors of freezers or air-conditioning plant. <IMAGE> |
