Hermetic compressor

Details Hermetic compressor Hermetic compressor

2007-06-05

2007-06-05

Kershteyn, Igor (Department: 3745)

Expansible chamber devices

With linkage or transmission having relatively movable members

C417S415000

Reexamination Certificate

active

11341689

ABSTRACT:
A hermetic compressor capable of appropriately injecting oil from an eccentric unit of a rotating shaft in accordance with amounts required by respective regions. The hermetic compressor comprises a compression chamber in which a refrigerant is compressed, a piston to compress the refrigerant in the compression chamber, a rotating shaft to provide a drive force to advance or retreat the piston in the compression chamber, the rotating shaft having an oil path formed therein, a hollow eccentric unit to eccentrically rotate as the rotating shaft rotates, a bushing coupled to the eccentric unit and having a closed surface to close an opening of the eccentric unit, and an oil injection port formed at the bushing to determine an injection direction and injection degree of oil injected along an inner peripheral surface of the eccentric unit.

REFERENCES:
patent: 2668004 (1954-02-01), Browne
patent: 4718830 (1988-01-01), Middleton et al.
patent: 6948418 (2005-09-01), Kim
patent: 20-1999-0030045 (1999-07-01), None
patent: 20-2000-0001668 (2000-01-01), None

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