Linear compressor and a method for manufacturing the same

• Main Authors: KIM, DONG HAN, LEE, KYEONG WEON, JUNG, WON HYUN, WOO, BYUNG HOON, KIM, BYUNG JU
• Format: Patent
• Language: English; Korean
• Published: 13.11.2017
• Subjects: APPARATUS THEREFOR; BLASTING; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; CYLINDERS; DIFFUSION TREATMENT OF METALLIC MATERIAL; ELECTROFORMING; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; PISTONS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; SEALINGS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; THERMAL INSULATION IN GENERAL; WEAPONS

The present invention relates to a linear compressor, and a method for manufacturing the same. According to an embodiment of the present invention, a piston of the linear compressor comprises: a surface treatment main body made of aluminum or an aluminum alloy; a first surface treatment unit provided to an outer surface of the surface treatment main body through a first vacuum-deposition method; and a second surface treatment unit provided to an outer surface of the first surface treatment unit through a second vacuum-deposition method. 본 발명은 리니어 압축기 및 그 제조방법에 관한 것이다. 본 발명의 실시예에 따른 리니어 압축기의 피스톤에는, 알루미늄 또는 알루미늄 합금으로 구성되는 표면처리 본체; 상기 표면처리 본체의 외면에, 제 1 진공증착 방식에 의하여 구비되는 제 1 표면처리부; 및 상기 제 1 표면처리부의 외면에, 제 2 진공증착 방식에 의하여 구비되는 제 2 표면처리부가 포함된다.