US20070009370A1 - Linear compressor - Google Patents

Linear compressor Download PDF

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Publication number
US20070009370A1
US20070009370A1 US11/287,397 US28739705A US2007009370A1 US 20070009370 A1 US20070009370 A1 US 20070009370A1 US 28739705 A US28739705 A US 28739705A US 2007009370 A1 US2007009370 A1 US 2007009370A1
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United States
Prior art keywords
cylinder
shock
inner core
compressor
set forth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/287,397
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English (en)
Inventor
Hyeong Kim
Jae Her
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Assigned to LG ELECTRONICS INC. reassignment LG ELECTRONICS INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HER, JAE, KIM, HYEONG
Publication of US20070009370A1 publication Critical patent/US20070009370A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F04B35/045—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric using solenoids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements
    • F25B31/02—Compressor arrangements of motor-compressor units
    • F25B31/023—Compressor arrangements of motor-compressor units with compressor of reciprocating-piston type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/12—Kind or type gaseous, i.e. compressible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/14—Refrigerants with particular properties, e.g. HFC-134a
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00—Purpose; Design features
    • F16F2230/22—Pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps
    • Y10S417/902—Hermetically sealed motor pump unit

Definitions

  • the present invention relates to a linear compressor and, more particularly, to a linear compressor in which a shock-absorbing member is interposed between a cylinder and an inner core to allow the inner core to be press fitted around the cylinder under shock absorbing operation thereof.
  • a linear compressor is an apparatus to introduce, compress, and discharge operating fluid while linearly reciprocating a piston inside a cylinder using a linear driving force from a linear motor.
  • FIG. 1 is a longitudinal sectional view of a conventional linear compressor.
  • the conventional linear compressor includes a hermetic container 2 to and from which operating fluid is introduced and discharged, and a compression unit mounted in the hermetic container 2 and adapted to compress the operating fluid.
  • the compression unit includes a cylinder 10 configured to receive the operating fluid from a fluid suction pipe 4 provided at the hermetic container 2 , a piston 12 mounted to be linearly reciprocated in the cylinder 10 to thereby compress the operating fluid in the cylinder 10 , and a linear motor 20 to reciprocate the piston 12 .
  • a discharge unit 16 including a discharge valve 16 ′ To the cylinder 10 is coupled a discharge unit 16 including a discharge valve 16 ′.
  • the discharge valve 16 ′ serves to discharge the operating fluid, compressed in the cylinder 10 , into a fluid discharge pipe 6 provided at the hermetic container 2 .
  • the piston 12 is internally formed with an operating fluid passage 12 ′ to guide the operating fluid from the fluid suction pipe 4 into the cylinder 10 .
  • a suction valve 18 is coupled to one end of the piston 12 located in the cylinder 10 to open or close the operating fluid passage 12 ′.
  • the linear motor 20 is generally divided into a stator, and a mover to electromagnetically interact with the stator to thereby be linearly reciprocated.
  • the stator includes an inner core 21 press fitted around the cylinder 10 , a ring-shaped outer core 22 located around the inner core 21 , and a coil 23 provided in the outer core 22 to produce a magnetic field.
  • the inner core 21 is conventionally press fitted around the cylinder 10 using a hydraulic press during assembly of the linear motor 20 .
  • the mover includes a magnet 25 located between the inner core 21 and the outer core 22 , and a magnet frame 26 to connect the magnet 25 to the piston 12 .
  • the compression unit is provided between a cylinder block 30 and a back cover 32 mounted in opposite sides of the hermetic container 2 . Both the cylinder block 30 and the back cover 32 are supported by means of dampers 34 .
  • the piston 12 is reciprocated in the cylinder 10 using a reciprocation driving force from the linear motor 20 .
  • the discharge valve 16 ′ and the suction valve 18 are repeatedly opened or closed.
  • the operating fluid is introduced into the cylinder 10 through the fluid suction pipe 4 and the operating fluid passage 12 ′ defined in the piston 12 in succession, thereby being compressed in the cylinder 10 by the piston 12 have a high pressure.
  • the compressed high-pressure operating fluid is discharged from the cylinder 10 by way of the discharge unit 16 , and consequently, is discharged out of the hermetic container 2 through the fluid discharge pipe 6 .
  • the conventional linear compressor as stated above has a problem in that the cylinder 10 may be deformed when the inner core 21 is press fitted around the cylinder 10 . This excessively increases frictional loss between the cylinder 10 and the piston 12 , causing deterioration in the operational efficiency and durability as well as malfunction of the compressor.
  • the present invention has been made in view of the above problems, and it is an object of the present invention to provide a linear compressor capable of preventing deformation of a cylinder when an inner core is press fitted around the cylinder during assembly.
  • a linear compressor comprising: a cylinder containing a piston to be reciprocably mounted therein; a linear motor having an inner core fitted around the cylinder, the linear motor being connected to the piston; and a shock-absorbing member interposed between the cylinder and the inner core.
  • the inner core may have an inner radius larger than an outer radius of the cylinder, but smaller than a radial distance between a center of the cylinder and the shock-absorbing member mounted around the cylinder, the radial distance being measured prior to fitting the inner core around the cylinder.
  • the shock-absorbing member may include a plurality of shock-absorbing protrusions protruding from an outer circumferential wall of the cylinder toward the inner core.
  • the plurality of shock-absorbing protrusions may be arranged in an axial direction of the cylinder.
  • the plurality of shock-absorbing protrusions may be arranged in a circumferential direction of the cylinder.
  • the shock-absorbing protrusions may have a ring shape.
  • the shock-absorbing protrusions may extend outward from the outer circumferential wall of the cylinder.
  • the shock-absorbing protrusions may be gradually tapered from the cylinder toward the inner core.
  • each of the shock-absorbing protrusions may have a distal end pointed toward the inner core.
  • the shock-absorbing member may be located at only part of an outer circumferential wall of the cylinder in an axial direction of the cylinder.
  • a linear compressor comprising: a cylinder containing a piston to be reciprocably mounted therein and having a plurality of deformable shock-absorbing protrusions formed at an outer circumferential wall thereof; and a linear motor having an inner core fitted around the cylinder, the linear motor being connected to the piston, wherein the inner core may have an inner radius larger than an outer radius of the cylinder to be press fitted around the cylinder, but smaller than a radial distance between a center of the cylinder and the shock-absorbing member mounted around the cylinder, the radial distance being measured prior to fitting the inner core around the cylinder.
  • the plurality of shock-absorbing protrusions may be arranged in an axial direction of the cylinder.
  • the plurality of shock-absorbing protrusions may be arranged in a circumferential direction of the cylinder.
  • the shock-absorbing protrusions may have a ring shape.
  • the shock-absorbing protrusions may extend outward from the outer circumferential wall of the cylinder.
  • the shock-absorbing protrusions may be gradually tapered from the cylinder toward the inner core.
  • each of the shock-absorbing protrusions may have a distal end pointed toward the inner core.
  • a linear compressor comprising: a cylinder arranged in a hermetic container, the interior of the cylinder being filled with operating fluid; a piston to compress the operating fluid in the cylinder while being reciprocated in the cylinder; a stator having an inner core press fitted around the cylinder, an outer core located around the inner core, and a coil provided in the outer core; and a mover located between the inner core and the outer core and connected to the piston to be reciprocated along with the piston as it interacts with the stator, wherein a plurality of shock-absorbing protrusions may protrude from an outer circumferential wall of the cylinder toward the inner core to be deformed as the inner core is press fitted around the cylinder.
  • the shock-absorbing protrusions may extend outward from the outer circumferential wall of the cylinder.
  • the shock-absorbing protrusions may be gradually tapered from the cylinder toward the inner core.
  • FIG. 1 is a longitudinal sectional view illustrating a conventional linear compressor
  • FIG. 2 is an enlarged sectional view illustrating the assembled structure of a cylinder and an inner core of the conventional linear compressor
  • FIG. 3 is a longitudinal sectional view illustrating a linear compressor according to the present invention.
  • FIG. 4 is an enlarged sectional view illustrating a cylinder and an inner core of the linear compressor according to the present invention, prior to being assembled;
  • FIG. 5 is an enlarged sectional view illustrating the assembled structure of the cylinder and the inner core of FIG. 4 .
  • linear compressor For reference, there may be provided several preferred embodiments of the linear compressor according to the present invention, and hereinafter, the most preferred embodiment will be explained.
  • the basic structure of the linear compressor is identical to the above described prior art, and thus, a detailed description thereof will be omitted.
  • FIG. 3 is a longitudinal sectional view illustrating a linear compressor according to the present invention.
  • the linear compressor of the present invention comprises a hermetic container 50 forming the outer appearance of the compressor, a cylinder block 60 arranged in the hermetic container 50 at one side thereof, a back cover 62 arranged in the hermetic container 50 at the other side thereof, and a compression unit provided between the back cover 62 and the cylinder block 60 and adapted to compress operating fluid.
  • the hermetic container 50 is divided into a lower container 52 having an open upper surface, and an upper cover 54 to cover the upper surface of the lower container 52 .
  • the hermetic container 50 is provided with a fluid suction pipe 56 to introduce exterior operating fluid into the hermetic container 50 , and a fluid discharge pipe 58 connected to a discharge unit 80 to discharge compressed operating fluid to the outside of the hermetic container 50 .
  • the back cover 62 has a fluid suction channel 62 ′ aligned to be connected to the fluid suction pipe 56 .
  • Both the cylinder block 60 and the back cover 62 are supported by means of dampers 64 that utilize the elasticity of springs.
  • the compression unit includes a cylinder 70 mounted in the cylinder block 60 , through which the operating fluid being introduced and discharged, and a piston 72 mounted to be linearly reciprocated in the cylinder 70 to thereby compress the operating fluid in the cylinder 70 .
  • the cylinder 70 has an elongated hollow cylindrical shape open at opposite ends thereof. With this configuration, the piston 72 is inserted into the cylinder 70 through one of the open ends of the cylinder 70 , i.e. through the left end as seen in FIG. 3 , while the compressed operating fluid is discharged from the cylinder 70 through the other end, i.e. through the right end as seen in FIG. 3 .
  • the discharge unit 80 is provided at the right end of the cylinder 70 to discharge the compressed operating fluid from the cylinder 70 into the fluid discharge pipe 58 .
  • the discharge unit 80 includes a discharge cover assembly 82 configured to cover the right end of the cylinder 70 and connected to the fluid discharge pipe 58 , and a discharge valve 84 mounted in the discharge cover assembly 82 to open or close the right end of the cylinder 70 .
  • the discharge cover assembly 82 consists of an inner discharge cover 81 coupled to the cylinder 70 , and an outer discharge cover 83 located around the inner discharge cover 81 and connected to the fluid discharge pipe 58 .
  • the inner discharge cover 81 is formed with a fluid hole 81 ′ to communicate the interior of the inner discharge cover 81 with the interior of the outer discharge cover 83 .
  • the discharge valve 84 includes a discharge valve body 85 located at the right end of the cylinder 70 in a horizontally movable manner, and a discharge valve spring 86 located between the discharge valve body 85 and the inner discharge cover 81 to elastically support the discharge valve body 85 .
  • the piston 72 is internally formed with a fluid passage 72 ′, which communicates with the fluid suction channel 62 ′ of the back cover 62 and the interior of the cylinder 70 to guide the operating fluid therethrough.
  • a suction valve 73 is mounted at an end of the piston 72 located in the cylinder 70 to open or close the fluid passage 72 ′.
  • the suction valve 73 performs opening and closing operations while being elastically deformed by a pressure difference between the fluid passage 72 ′ of the piston 72 and the interior of the cylinder 70 .
  • the compression unit further includes a linear motor 90 connected to the piston 72 to reciprocate the piston 72 .
  • the linear motor 90 includes a mover connected to the piston 72 , and a stator to electromagnetically interact with the mover to linearly reciprocate the mover along with the piston 72 .
  • the mover includes a magnet 92 radially located around the cylinder 70 to be reciprocated in the stator, and a magnet frame 94 to connect the magnet 92 to the piston 72 .
  • the stator includes a ring-shaped outer core 95 radially located around the cylinder 70 to be mounted between the cylinder block 60 and the back cover 62 , a coil 96 provided in the outer core 95 to produce a magnetic field, and an inner core 98 inwardly spaced apart from the outer core 95 .
  • the mover is located between the outer core 95 and the inner core 98 .
  • the inner core 98 has a ring shape suitable to be mounted around the cylinder 70 . Thereby, the inner core 98 is press fitted around the cylinder 70 .
  • the inner core 98 is sized to be press fitted around the cylinder 70 while interposing a shock-absorbing member 100 , which will be explained hereinafter, between the inner core 98 and the cylinder 70 .
  • the inner core 98 has an inner radius 98 R larger than an outer radius 70 R of the cylinder 70 , but smaller than a radial distance 100 L between a center of the cylinder 70 and the shock-absorbing member 100 mounted around the cylinder 70 .
  • the radial distance 100 L is a value measured prior to press fitting the inner core 98 around the cylinder 70 .
  • the shock-absorbing member 100 is mounted around the cylinder 70 so that it is interposed between the inner core 98 and the cylinder 70 when the inner core 98 is press fitted around the cylinder 70 .
  • the shock-absorbing member 100 has a deformable structure suitable to absorb external force caused during the press fitting of the inner core 98 around the cylinder 70 .
  • the shock-absorbing member 100 may have shock-absorbing protrusions 100 ′ radially protruding from an outer circumferential wall of the cylinder 70 to face an inner circumferential wall of the inner core 98 when the inner core 98 is press fitted around the cylinder 70 .
  • each of the shock-absorbing protrusions 100 ′ may have a ring shape.
  • the plurality of shock-absorbing protrusions may be distributed in a circumferential direction of the cylinder 70 .
  • the plurality of shock-absorbing protrusion 100 ′ may be arranged in an axial direction of the cylinder 70 .
  • the plurality of shock-absorbing protrusions 100 ′ have uniform arrangement in the axial direction of the cylinder 70 .
  • the respective shock-absorbing protrusions 100 ′ may extend outward from the outer circumferential wall of the cylinder 70 .
  • shock-absorbing protrusions 100 ′ are gradually tapered from the cylinder 70 toward the inner core 98 . This tapered configuration effectively reduces generation of friction between the shock-absorbing protrusion 100 ′ and the inner core 98 when the inner core 98 is press fitted around the cylinder 70 .
  • each of the shock-absorbing protrusions 100 ′ may have a triangular cross section that is pointed toward the inner core 98 .
  • the shock-absorbing member 100 as stated above may be integrally formed with the cylinder 70 , or may be formed as a deformable separate member to be mounted to the outer circumferential wall of the cylinder 70 .
  • the shock-absorbing member 100 may be provided at only part of the outer circumferential wall of the cylinder 70 in the axial direction of the cylinder 70 .
  • the piston 72 Upon driving of the linear motor 90 , the piston 72 is continuously reciprocated in the cylinder 70 using a driving force from the linear motor 90 , thereby allowing introduction, compression, and discharge of the operating fluid through the cylinder 70 to be repeatedly performed.
  • the piston 72 is able to be smoothly reciprocated in the cylinder 70 .
  • a linear compressor according to the present invention has the following effects.
  • a shock-absorbing member operates to absorb external force generated when an inner core is press fitted around a cylinder upon assembly, allowing the cylinder to keep its original inner diameter determined upon molding thereof. This has the effect of preventing deterioration of operational efficiency due to the deformation of the cylinder, and achieving improved durability and reduced operational malfunction.
  • the shock-absorbing member includes a plurality of shock-absorbing protrusions outwardly protruding from the outer circumferential wall of the cylinder. These outwardly protruding shock-absorbing protrusions effectively prevent movement and separation of the inner core, ensuring stable driving of a linear motor.
  • each of the shock-absorbing protrusions has a distal end pointed toward the inner core. This configuration minimizes generation of friction between the inner core and the shock-absorbing member when the inner core is press fitted around the cylinder. As a result, the inner core can be more easily press fitted around the cylinder and is substantially not effected by external force.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Power Engineering (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
US11/287,397 2005-05-11 2005-11-28 Linear compressor Abandoned US20070009370A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2005-39349 2005-05-11
KR1020050039349A KR100673460B1 (ko) 2005-05-11 2005-05-11 리니어 압축기

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US20070009370A1 true US20070009370A1 (en) 2007-01-11

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US11/287,397 Abandoned US20070009370A1 (en) 2005-05-11 2005-11-28 Linear compressor

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US (1) US20070009370A1 (pt)
JP (1) JP4870421B2 (pt)
KR (1) KR100673460B1 (pt)
CN (1) CN100420851C (pt)
BR (1) BRPI0505345A (pt)
DE (1) DE102005055628A1 (pt)

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US20100260628A1 (en) * 2007-10-24 2010-10-14 Jung-Hae Kim Linear compressor
US20100296951A1 (en) * 2007-10-24 2010-11-25 Lg Electronics Inc. Linear compressor
US20110190774A1 (en) * 2009-11-18 2011-08-04 Julian Nikolchev Methods and apparatus for performing an arthroscopic procedure using surgical navigation
EP2818709A1 (en) * 2013-06-28 2014-12-31 LG Electronics, Inc. Linear compressor
US20150004017A1 (en) * 2013-06-28 2015-01-01 Lg Electronics Inc. Linear compressor
US20150226201A1 (en) * 2014-02-10 2015-08-13 General Electric Company Linear compressor
US9677553B2 (en) 2013-06-28 2017-06-13 Lg Electronics Inc. Linear compressor
US9695810B2 (en) 2013-06-28 2017-07-04 Lg Electronics Inc. Linear compressor
US9714648B2 (en) 2013-06-28 2017-07-25 Lg Electronics Inc. Linear compressor
EP3249224A3 (en) * 2016-05-03 2018-03-07 LG Electronics, Inc. Linear compressor
US20180198337A1 (en) * 2017-01-10 2018-07-12 Lg Electronics Inc. Moving core-type reciprocating motor and reciprocating compressor having the same
US20190309743A1 (en) * 2018-04-10 2019-10-10 Lg Electronics Inc. Linear compressor
US10634127B2 (en) 2013-06-28 2020-04-28 Lg Electronics Inc. Linear compressor

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KR101919886B1 (ko) * 2012-01-04 2018-11-19 엘지전자 주식회사 왕복동식 압축기 및 압축기 제어 장치
CN104005931B (zh) * 2013-02-21 2016-04-27 青岛海尔智能技术研发有限公司 线性压缩机
CN103835918B (zh) * 2014-02-11 2017-02-01 中国科学院理化技术研究所 线性压缩机气阻密封结构

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BRPI0505345A (pt) 2007-01-09
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KR100673460B1 (ko) 2007-01-24
JP4870421B2 (ja) 2012-02-08

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