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公开(公告)号：US20170152850A1
公开(公告)日：2017-06-01
申请号：US15361117
申请日：2016-11-25
Applicant: LG ELECTRONICS INC.
CPC classification number: F04B49/20 , F04B35/04 , F04B35/045 , F04B39/0005 , F04B49/065 , F04B2201/0201 , F04B2203/0401 , F04B2203/0402 , F25B31/023 , F25B49/022 , F25B49/025 , F25B2400/073 , F25B2500/19 , F25B2600/021 , F25B2700/21175 , Y02B30/741
Abstract: Disclosed are a compressor applied to a refrigerator not having a cycle matching function or a refrigerator not including a controller, and capable of controlling a driving of a linear motor by the compressor itself, and a method for controlling the same. The compressor installed at an apparatus including a refrigeration cycle includes: a piston which reciprocates in a cylinder; a linear motor configured to provide a driving force to move the piston; a sensor configured to sense a motor current of the linear motor; and a compressor controller configured to detect information related to a load of the apparatus, in a separated manner from a controller which controls a body of the apparatus, wherein the compressor controller calculates a phase difference between a stroke of the piston and the sensed motor current, and wherein the compressor controller controls a driving of the linear motor in correspondence to the detected load, such that the calculated phase difference is within a range of a reference phase difference.
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公开(公告)号：US10408209B2
公开(公告)日：2019-09-10
申请号：US15361117
申请日：2016-11-25
Applicant: LG ELECTRONICS INC.
Abstract: Disclosed are a compressor applied to a refrigerator not having a cycle matching function or a refrigerator not including a controller, and capable of controlling a driving of a linear motor by the compressor itself, and a method for controlling the same. The compressor installed at an apparatus including a refrigeration cycle includes: a piston which reciprocates in a cylinder; a linear motor configured to provide a driving force to move the piston; a sensor configured to sense a motor current of the linear motor; and a compressor controller configured to detect information related to a load of the apparatus, in a separated manner from a controller which controls a body of the apparatus, wherein the compressor controller calculates a phase difference between a stroke of the piston and the sensed motor current, and wherein the compressor controller controls a driving of the linear motor in correspondence to the detected load, such that the calculated phase difference is within a range of a reference phase difference.
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