Apparatus for fixing stator of reciprocating compressor

Details Apparatus for fixing stator of reciprocating compressor Apparatus for fixing stator of reciprocating compressor

2006-06-13

2006-06-13

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Reciprocating

C310S012060

Reexamination Certificate

active

07061145

ABSTRACT:
An apparatus for fixing a stator of a reciprocating compressor includes: a frame fixedly installed in a case; a cylinder penetratingly inserted and coupled to the frame; a piston inserted in the cylinder and having a suction passage for sucking a refrigerant therein; an outer stator contacting with and supported by the frame; an inner stator formed as a cylindrical shape by laminating a plurality of lamination sheets forming ring grooves at both side surfaces thereof and inserted upon an outer circumference surface of the cylinder or the frame so as to form a certain interval from an inner diameter of the outer stator; at least one fixing ring having a ring shape inserted into the ring grooves; and at least one protrusion portion protruding formed around the center of the lamination sheets and pressed on an outer circumference surface of the cylinder.Accordingly, both inner diameters of the inner stator can be prevented from being narrowed when pressingly inserting the fixing ring into both sides of the inner stator, whereby abrasions between the cylinder and the piston can be prevented from occurring when the inner diameter of the cylinder becomes narrow when the inner stator is pressingly inserted upon the cylinder.

REFERENCES:
patent: 6097125 (2000-08-01), Park et al.
patent: 6838789 (2005-01-01), Kwon et al.
patent: 2003/0129069 (2003-07-01), Bae et al.
patent: 1998-0066270 (1998-10-01), None

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