LINEAR COMPRESSOR - LG ELECTRONICS INC

Title:

LINEAR COMPRESSOR

Document Type and Number:

WIPO Patent Application WO/2017/191904

Kind Code:

A1

Abstract:

A linear compressor according to an embodiment of the present invention comprises: a shell; a cylinder which is provided inside the shell and forms a compression space of a refrigerant; a frame which is coupled to the outer side of the cylinder; a piston which is provided so as to perform a reciprocating movement in an axial direction inside the cylinder; a motor which supplies power to the piston; and a spring mechanism which is coupled to the piston to allow the piston to perform a resonant movement, wherein the spring mechanism may comprise: a supporter which is connected to the piston and comprises a spring support unit having one or more insertion holes formed therein; a first coupling protrusion which extends from the rear side of the spring support unit along the edge of the insertion hole; a support cap which is inserted into the insertion hole and comprises a second coupling protrusion protruding from the front side of the spring support unit; a first resonant spring which is inserted into the outer circumferential surface of the second coupling protrusion; and a second resonant spring which is inserted into the outer circumferential surface of the first coupling protrusion.

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Inventors:

LIM JAEYOUN (KR)
WOO BYUNGHOON (KR)
YU HYOSANG (KR)
HA SEONGHO (KR)
HEO JUNGWAN (KR)

Application Number:

PCT/KR2017/003818

Publication Date:

November 09, 2017

Filing Date:

April 07, 2017

Export Citation:

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Assignee:

LG ELECTRONICS INC (KR)

International Classes:

F04B35/04; F04B39/00; F04B39/12

Foreign References:

KR20160024217A	2016-03-04
KR19990085185A	1999-12-06
JP2004011582A	2004-01-15
KR100869197B1	2008-11-18
KR20090041706A	2009-04-29

Other References: