US20180030971A1 - Variable-capacity swashplate-type compressor - Google Patents

Variable-capacity swashplate-type compressor Download PDF

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Publication number
US20180030971A1
US20180030971A1 US15/551,287 US201615551287A US2018030971A1 US 20180030971 A1 US20180030971 A1 US 20180030971A1 US 201615551287 A US201615551287 A US 201615551287A US 2018030971 A1 US2018030971 A1 US 2018030971A1
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US
United States
Prior art keywords
lug
arms
swash plate
plate
arm
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
US15/551,287
Other languages
English (en)
Inventor
Geon Ho Lee
Tae Jin Lee
In Pyo BAE
Hyeon Jae KIM
Bong Sub Lee
Jun Han Lee
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.)
Doowon Electronics Co Ltd
Doowon Technical College
Original Assignee
Doowon Electronics Co Ltd
Doowon Technical College
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 Doowon Electronics Co Ltd, Doowon Technical College filed Critical Doowon Electronics Co Ltd
Priority claimed from PCT/KR2016/001560 external-priority patent/WO2016133343A1/ko
Assigned to DOOWON TECHNICAL COLLEGE, DOOWON ELECTRONICS CO., LTD reassignment DOOWON TECHNICAL COLLEGE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BAE, In Pyo, KIM, HYEON JAE, LEE, BONG SUB, LEE, GEON HO, LEE, JUN HAN, LEE, TAE JIN
Publication of US20180030971A1 publication Critical patent/US20180030971A1/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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1036—Component parts, details, e.g. sealings, lubrication
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1036—Component parts, details, e.g. sealings, lubrication
    • F04B27/1054—Actuating elements
    • F04B27/1063—Actuating-element bearing means or driving-axis bearing 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1036—Component parts, details, e.g. sealings, lubrication
    • F04B27/1054—Actuating elements
    • F04B27/1072—Pivot mechanisms
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14—Control

Definitions

  • the present invention relates to a variable-capacity swash plate-type compressor having an improved connection structure of a lug plate and a swash plate.
  • an air conditioning device used in an automobile is a device that keeps the temperature of an automobile indoor lower than the temperature of an outside using a refrigerant, and includes a compressor, a condenser, and an evaporator so as to configure a circulation cycle of the refrigerant.
  • Such a compressor is a device that compresses and transports the refrigerant and is driven by power of an engine or a motor.
  • a swash plate-type compressor can be classified into a variable-capacity swash plate-type compressor in which a disc-shaped swash plate has a varying inclination angle according to rotation of a driving shaft to which power of the engine is supplied, and a fixed swash plate-type compressor in which the disc-shaped swash plate is fixedly installed on the driving shaft to which power of the engine is supplied.
  • variable-capacity swash plate-type compressor In the variable-capacity swash plate-type compressor, the inclination angle of the swash plate varies consecutively according to a variation of thermal load, and the transportation amount of a piston is controlled so that a flow can be precisely controlled, and a change in rapid torque of the engine caused by the compressor is prevented so that riding comfort of the automobile can be improved.
  • protrusions that protrude toward the swash plate are formed on the lug plate, and arms having a moving roller that rolls and moves in contact with the protrusions, are formed in the swash plate.
  • the lug plate and the swash plate are connected to each other due to surface contact between the protrusions and the arms.
  • the present invention provides a variable-capacity swash plate-type compressor having an improved connection structure of a lug plate and a swash plate so as to disperse rotational torque, compressive load, and torsional moment, which are applied to the swash plate and the lug plate.
  • a variable-capacity swash plate-type compressor including: a lug plate coupled to a swash plate so as to be fixed to a driving shaft; and the swash plate coupled to the lug plate and having a varying inclination angle while making a rotational motion
  • the swash plate may include a body, and first and second arms that protrude from the body toward the lug plate and are spaced apart from each other
  • the lug plate may include a plate, a center lug arm that protrudes from the plate to be inserted between the first and second arms and is coupled to the body of the swash plate, and left and right lug arms that protrude from the plate to be spaced apart from each other and support both sides of each of the first and second arms.
  • At least one part of spaces C 2 and C 3 between the first and second arms of the swash plate and one side of the center lug arm and spaces C 1 and C 4 between the first and second arms and the left and right lug arms may be spaced apart from each other so that a clearance is formed.
  • At least one of the left lug arm, the right lug arm, the center lug arm, and the first and second arms may be twisted so that at least a part of two facing surfaces in a state in which the clearance is disposed between the two facing faces, is in contact with each other.
  • Each of the first and second arms and the left and right lug arms may be spaced apart from each other, thereby forming left and right clearances, and both sides of each of the first and second arms and the center lug arm may be spaced apart from each other, thereby forming a center clearance.
  • the center clearance C 2 may have a greater gap than that of the left clearance C 1 (C 1 ⁇ C 2 ).
  • the one-side center clearance C 3 may have a greater gap than that of the other-side center clearance C 2 (C 2 ⁇ C 3 ).
  • a through hole through which the center lug arm of the lug plate passes, may be formed in the swash plate, and surface contact portions may be formed on both sides of the through hole and may face both sides of the center lug arm.
  • a pair of arms of a swash plate, and a center lug arm and left and right lug arms of a lug plate are arranged by engaging with each other, so as to disperse torsional moment and support the lug plate when the lug plate rotates, thereby reducing the load applied to the respective arms. Therefore, controllability and durability of the swash plate can be improved.
  • FIG. 1 is a top plan view of a variable-capacity swash plate-type compressor according to an embodiment of the present invention.
  • FIGS. 2 and 3 are views of the usage state of movement of the swash plate in the variable-capacity swash plate-type compressor illustrated in FIG. 1 .
  • FIG. 4 is a top plan view of a lug plate of the variable-capacity swash plate-type compressor illustrated in FIG. 1 and a side view thereof.
  • FIG. 5 is a top plan view of the swash plate of the variable-capacity swash plate-type compressor illustrated in FIG. 1 and a side view thereof.
  • FIG. 6 is an exploded perspective view of the lug plate and the swash plate of the variable-capacity swash plate-type compressor illustrated in FIG. 1 .
  • FIG. 7 is a top plan view of a variable-capacity swash plate-type compressor according to another embodiment of the present invention.
  • At least one of spaces C 2 and C 3 between first and second arms of a swash plate and sides of a center lug arm of a lug plate and spaces C 1 and C 4 between the first and second arms and left and right lug arms of the lug plate are spaced apart from each other so that a clearance can be formed, and surfaces placed in one of spaces between the first and second arms and the left and right lug arms and spaces between the left and right lug arms and the center lug arm are in contact with each other, thereby forming a torque transfer surface that transfers power for rotating the swash plate so that a connection structure of the lug plate and the swash plate is improved and rotational torque, compressive load and torsional moment, which are applied to the swash plate and the lug plate, can be dispersed.
  • FIG. 1 is a top plan view of a variable-capacity swash plate-type compressor according to an embodiment of the present invention.
  • variable-capacity swash plate-type compressor includes a driving shaft 20 , a lug plate 100 coupled to a swash plate 200 so as to be fixed to the driving shaft 20 , and the swash plate 200 coupled to the lug plate 100 and having a varying inclination angle while making a rotational motion.
  • the driving shaft 20 has a straight rod shape and is fixedly coupled to the lug plate 100 .
  • the lug plate 100 is simultaneously rotated so that the driving shaft 20 transfers power for rotating the lug plate 100 .
  • the lug plate 100 is coupled to the swash plate 200 to be fixed to the driving shaft 20 so as to be rotated together when the driving shaft 20 rotates.
  • the lug plate 100 includes a plate 110 , a center lug arm 120 , and left and right lug arms 131 and 132 .
  • the plate 110 forms a body of the lug plate 100 and has an approximately circular shape, and the center lug arm 120 and the left and right lug arms 131 and 132 are formed at one side of the plate.
  • the center lug arm 120 protrudes from the plate 110 to be inserted between a pair of arms 211 and 212 that protrude from the swash plate 200 and is coupled to a body 210 of the swash plate 200 .
  • the center lug arm 120 passes through the body 210 of the swash plate 200 and transfers rotational moment for rotating the swash plate 200 .
  • the center lug arm 120 is disposed in the center of the left and right lug arms 131 and 132 , and the left and right lug arms 131 and 132 protrude from the plate 110 to be spaced apart from each other. At least a part of the first and second arms 211 and 212 that form a pair protruding from the swash plate 200 are supported on both sides of each of the left and right lug arms 131 and 132 .
  • the swash plate 200 includes the body 210 , and the pair of arms 211 and 212 that protrude from the body 210 toward the lug plate 100 to be spaced apart from each other.
  • the first and second arms 211 and 212 that forms a pair are in contact with the left and right lug arms 131 and 132 and the center lug arm 120 so as to disperse rotational moment transferred to the swash plate 200 while the lug plate 100 rotates.
  • a clearance 300 may be formed with a predetermined gap in a space between the first and second arms 211 and 212 that forms a pair, the left and right lug arms 131 and 132 , and both sides that are one side and the other side of the center lug arm 120 .
  • the clearance 300 may be formed with the predetermined gap when at least one part of spaces C 2 and C 3 between the first and second arms 211 and 212 that forms a pair of the swash plate 200 and both sides 120 a and 120 b of the center lug arm 120 and spaces C 1 and C 4 between the first and second arms 211 and 212 of the swash plate 200 and the left and right lug arms 131 and 132 are spaced apart from each other.
  • At least one part of the spaces C 2 and C 3 between the first and second arms 211 and 212 and both sides 120 a and 120 b of the center lug arm 120 and the spaces C 1 and C 4 between the first and second arms 211 and 212 and the left and right lug arms 131 and 132 may be in contact with each other, thereby forming a torque transfer surface 400 for rotational moment.
  • the center clearance 330 in the space C 2 between the first and second arms 211 and 212 and the one side of the center lug arm 120 may have a greater gap than that of the left clearance 310 in the space C 1 between the first arm 211 and the left lug arm 131 (C 1 ⁇ C 2 ).
  • the driving shaft 20 rotates, at least one of the left lug arm 131 , the right lug arm 132 , the center lug arm 120 , and the pair of arms 211 and 212 is twisted. Subsequently, at least a part of two facing surfaces in a state in which the clearance 300 is formed between the two facing surfaces, is in contact with each other due to torsion.
  • one of the left lug arm 131 and the first arm 211 may be twisted and in contact with each other, or one of the first arm 211 and the center lug arm 120 may be twisted and in contact with each other.
  • one of the second arm 212 and the right lug arm 132 may be twisted and in contact with each other.
  • the left and right clearances 310 and 320 may have a smaller gap than that of the center clearance 330 so that, when the driving shaft 20 rotates, the pair of arms 211 and 212 are twisted, the twisted pair of arms 211 and 212 are firstly in contact with the left and right lug arms 131 and 132 and then are in contact with the center lug arm 120 .
  • the center lug arm 120 directly presses the second arm 212 via the torque transfer surface 400 so that the rotational force for rotating the swash plate 200 can be transferred in a wide range.
  • the rotational force is transferred via the torque transfer surface 400 for rotational moment as well as a surface that the center lug arm passes through the body 210 and then directly contacts, so that load can be prevented from being concentrated.
  • FIGS. 2 and 3 are views of the usage state of movement of the swash plate 200 in the variable-capacity swash plate-type compressor illustrated in FIG. 1 .
  • the swash plate 200 is formed to be rotated relative to the lug plate 100 .
  • a pair of arms (see 211 and 212 of FIG. 1 ) of the swash plate 200 are in contact with an inclination surface (see 112 of FIG. 3 ) formed on the lug plate 100 and slide thereon so that the inclination angle of the swash plate 200 may vary.
  • a spring is provide on a rear surface of the swash plate 200 and presses the swash plate 200 toward the lug plate 100 so that the swash plate 200 and the lug plate 100 cannot be separated from each other.
  • a through hole (see 230 of FIG. 5 ) is formed in the center of the body 210 of the swash plate 200 so that the driving shaft (see 20 of FIG. 1 ) is not caught on the swash plate 200 according to rotation.
  • FIG. 4 is a view of the lug plate 100 of the variable-capacity swash plate-type compressor illustrated in FIG. 1
  • FIG. 5 is a view of the swash plate 200 of the variable-capacity swash plate-type compressor illustrated in FIG. 1 .
  • FIG. 4 (a) of FIG. 4 is a top view of the lug plate 100 , and (b) of FIG. 4 is a side view of the lug plate 100 .
  • the left and right lug arms 131 and 132 and the center lug arm 120 are formed on the lug plate 100
  • the inclination surface 112 is formed between the left and right lug arms 131 and 132 and the center lug arm 120 , and the inclination surface 112 may be in contact with fore-ends of the pair of arms 211 and 212 of the swash plate 200 , and compressive load may be applied to the inclination surface 112 .
  • the center lug arm 120 protrudes from the plate 110 to be longer than the left and right lug arms 131 and 132 . This is because the fore-ends of the center lug arm 120 pass through the swash plate 200 and transfer rotational force to the swash plate 200 .
  • Ends 110 a of the inclination surface 112 may be formed to be compressed and supported in such a way that the pair of arms 211 and 212 of the swash plate 200 do not ascend any longer.
  • FIG. 5 is a top plan view of the swash plate of the variable-capacity swash plate-type compressor illustrated in FIG. 1 and a side view thereof.
  • FIG. 5 (a) of FIG. 5 is a top view of the swash plate 200 , and (b) of FIG. 5 is a side view of the swash plate 200 .
  • Surface contact portions that face both sides 120 a and 120 b of the center lug arm 120 may be formed on both sides 231 and 232 of the through hole 230 . Through the surface contacting portions 234 , rotational force may be transferred from the fore-ends of the center lug arm 120 .
  • FIG. 6 is an exploded perspective view of the lug plate 100 and the swash plate 200 of the variable-capacity swash plate-type compressor illustrated in FIG. 1 .
  • FIG. 6 illustrates the swash plate 200
  • FIG. 6 illustrates the lug plate 100 .
  • a pair of arms 211 and 212 protrude from the body 210 of the swash plate 200 toward one side, and the through hole 230 through an opening is formed between the pair of arms 211 and 212 .
  • the swash plate 200 when the swash plate 200 is rotated by rotation of the lug plate 100 , at least one arm of the first arm 211 and the second arm 212 is twisted, is in contact with the center lug arm or the left and right lug arms, and torsional moment is applied to the at least one arm of the first arm 211 and the second arm 212 .
  • the torsional moment is transferred in a direction F 1 .
  • the center lug arm 120 is in contact with the first arm 211 so that rotational force can be transferred to the first arm 211 via a rotational torque transfer surface (see 400 of FIG. 1 ).
  • rotational force is applied to an inside surface of the first arm 211
  • the rotational force is applied to the first arm 211 in a direction F 2 .
  • the inclination surface 112 is formed on the lug plate 100 and guides inclination movement while being in surface contact with the fore-ends of the pair of arms of the swash plate 200 .
  • the inclination surface 112 is formed between the left and right lug arms 131 and 132 and the center lug arm 120 , respectively, so that the pair of arms are engaged with each other through the inclination surface 112 and are supported thereon.
  • Torsional moment is applied to the right lug arm 132 in a position of the right lug arm 132 facing the second arm 212 in the direction F 1 .
  • Rotational force applied as a reaction while applying force for rotating the swash plate 200 using the lug plate 100 is applied to one side of the fore-ends of the center lug arm 120 in the direction F 2 .
  • the pair of arms 211 and 212 are supported on the inclination surface 112 , and compressive load is applied to the direction F 3 .
  • the center first and second clearances 310 and 320 are formed in the spaces C 2 and C 3 between both sides of the left and right lug arms 131 and 132 and the center lug arm 120 to be spaced apart from each other, and the right clearance 330 may be formed when the space C 4 between the second arms 211 and 212 and the right lug arm 132 are spaced apart from each other.
  • the center second clearance 320 may have a greater gap than that of the center first clearance 310 (C 2 ⁇ C 3 ).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
US15/551,287 2015-02-16 2016-02-16 Variable-capacity swashplate-type compressor Abandoned US20180030971A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR10-2015-0023439 2015-02-16
KR20150023439 2015-02-16
PCT/KR2016/001560 WO2016133343A1 (ko) 2015-02-16 2016-02-16 용량가변형 사판식 압축기
KR10-2016-0017833 2016-02-16
KR1020160017833A KR101925674B1 (ko) 2015-02-16 2016-02-16 용량가변형 사판식 압축기

Publications (1)

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US20180030971A1 true US20180030971A1 (en) 2018-02-01

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US15/551,287 Abandoned US20180030971A1 (en) 2015-02-16 2016-02-16 Variable-capacity swashplate-type compressor

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US (1) US20180030971A1 (ko)
KR (1) KR101925674B1 (ko)
CN (1) CN107438715B (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200000576A (ko) 2018-06-25 2020-01-03 한신대학교 산학협력단 블록체인 기반 모바일 위조 앱 검출 방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102058793B1 (ko) * 2018-06-01 2019-12-24 학교법인 두원학원 가변 용량형 압축기

Citations (1)

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Publication number Priority date Publication date Assignee Title
US8459962B2 (en) * 2007-10-19 2013-06-11 Geon-Ho Lee Variable displacement swash plate type compressor

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JP2002213351A (ja) * 2001-01-18 2002-07-31 Zexel Valeo Climate Control Corp 可変容量型斜板式圧縮機
JP2005090365A (ja) * 2003-09-17 2005-04-07 Toyota Industries Corp 容量可変型圧縮機
KR101193399B1 (ko) * 2012-06-22 2012-10-26 주식회사 두원전자 용량가변형 사판식 압축기
KR101907696B1 (ko) * 2012-06-22 2018-10-15 학교법인 두원학원 용량가변형 사판식 압축기

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Publication number Priority date Publication date Assignee Title
US8459962B2 (en) * 2007-10-19 2013-06-11 Geon-Ho Lee Variable displacement swash plate type compressor

Non-Patent Citations (1)

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Title
Lee US 2013/0343920 A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200000576A (ko) 2018-06-25 2020-01-03 한신대학교 산학협력단 블록체인 기반 모바일 위조 앱 검출 방법

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CN107438715B (zh) 2019-07-05
KR20160101684A (ko) 2016-08-25
CN107438715A (zh) 2017-12-05
KR101925674B1 (ko) 2018-12-06

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AS Assignment

Owner name: DOOWON TECHNICAL COLLEGE, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LEE, GEON HO;LEE, TAE JIN;BAE, IN PYO;AND OTHERS;REEL/FRAME:043301/0511

Effective date: 20170808

Owner name: DOOWON ELECTRONICS CO., LTD, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LEE, GEON HO;LEE, TAE JIN;BAE, IN PYO;AND OTHERS;REEL/FRAME:043301/0511

Effective date: 20170808

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION