WO2015156536A1 - 진공펌프 - Google Patents
진공펌프 Download PDFInfo
- Publication number
- WO2015156536A1 WO2015156536A1 PCT/KR2015/003275 KR2015003275W WO2015156536A1 WO 2015156536 A1 WO2015156536 A1 WO 2015156536A1 KR 2015003275 W KR2015003275 W KR 2015003275W WO 2015156536 A1 WO2015156536 A1 WO 2015156536A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vacuum pump
- housing
- port
- ejector
- support
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
- F04F5/20—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
- F04F5/22—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating of multi-stage type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
Definitions
- the present invention relates to a vacuum pump mainly applied to a vacuum transfer system, and more particularly to a vacuum pump designed to convert the selection of the direction of the suction port formed on the side wall of the housing as needed.
- a vacuum transfer system is a negative pressure obtained at this time while operating a vacuum pump with high-speed compressed air to exhaust the internal space of the suction cup or pad.
- the present invention relates, in particular, to a vacuum pump among the elements constituting the system.
- a general vacuum pump 1 includes a hollow housing 2 having one inlet port 3, another outlet port 4, and a suction port 5 formed therebetween; It comprises a multi-stage ejector 6 mounted in series in the housing (2).
- the vacuum pump 1 is fixed to the facility through a bracket or the like means for supporting the housing 2, the suction cup (7) and connected to the suction port (5) to communicate inside the ejector (6) and the
- the vacuum transfer system is configured together with the robot arm and the like connected to the cup 7.
- the compressed air After the compressed air is supplied to the inlet port 3 and passes through the ejector 6 at high speed, it is discharged to the outside through the discharge port 4. At this time, the internal air of the suction cup 7 is drawn into the ejector 6 and discharged together with the compressed air. In this exhaust process, a vacuum and a negative pressure are formed in the inner space of the suction cup 7, and the system transfers the object to a predetermined place after gripping an object using the negative pressure thus obtained.
- the overall length of the housing 2 cannot be varied.
- the entire length of the housing 2 also needs to be adjusted according to the length of the cartridge to be applied.
- the conventional vacuum pump 1 has no possibility of structurally meeting this need.
- the present invention has been proposed to solve the problems of the vacuum pump according to the prior art. It is an object of the present invention to provide a vacuum pump which can arbitrarily change and select the direction of each port, in particular, the suction port of the vacuum pump. Another object of the present invention is to provide a vacuum pump that can be easily assembled and disassembled each element constituting the vacuum pump.
- the vacuum pump of the present invention is:
- a hollow member having one inlet port, the other outlet port, and a side wall suction port and having a vacuum chamber communicating with the suction port therein, wherein two or more parts are arranged in a line including a main part having the suction port.
- a plurality of mutually engaging means are formed along the contact surface between the main part and the adjacent part, the housing for the rotation of the main part with respect to the adjacent part and thus the direction of the suction port change;
- the locking means has a corresponding structure of protrusion-groove type or rotary tooth type.
- the ejector portion further includes a first support and a second support, each of which is mounted at both ends of the main body, the outer diameter of which is in contact with the inner diameter of the housing, and which is designed not to disturb the communication relationship between each port of the housing and the main body.
- the vacuum pump of the present invention further includes a compression means provided on both sides of the housing to provide an adhesion between the parts.
- the crimping means includes a plate contacting both sides of the housing, and a crimping hole fitted to an end portion of the ejector part passing through the hole of the plate to press-contact the plate and each part.
- the plate is a vacuum pump fixing bracket.
- the housing has two or more parts arranged in a row, wherein the main part is rotatable with respect to an adjacent part.
- the suction port can be arbitrarily changed and selected as necessary;
- the elements constituting the housing and the vacuum pump are interconnected in a fitted or mounted manner so that they can be easily assembled and disassembled without special tools;
- the housing can be selected in accordance with the size of the ejector to be fitted
- 1 is an external view of a conventional general vacuum pump.
- FIG. 2 is a cross-sectional view of FIG.
- FIG 3 is an external view of a vacuum pump according to the present invention.
- FIG. 4 is a cross-sectional view taken along the line A-A of FIG.
- FIG. 5 is a cross-sectional view taken along the line B-B in FIG.
- FIG. 6 is an exploded perspective view of the housing of FIG. 3;
- FIG. 7 is a perspective view of the ejector unit of FIG.
- FIG. 8 is an exploded perspective view of FIG. 7;
- FIGS. 9 and 10 are views using FIGS. 4 and 5, respectively, for explaining the operation of the vacuum pump according to the present invention.
- the vacuum pump 100 of the present invention includes a hollow housing 110, an ejector unit 120 mounted inside the housing 110, and an outer side of the housing 110. It comprises a crimping means 140 is provided.
- the housing 110 has a hollow chamber having a compressed air inlet port 111, the other outlet port 112, and a side wall suction port 113, and a vacuum chamber C communicating therewith with the suction port 113 therein. It is a mold member, Preferably, it further has a discard port 114 in communication with the said vacuum chamber (C).
- the housing 110 includes a main part 115 having a suction port 113, and two or more cylindrical parts 115, 116 and 117 are arranged in a line.
- the housing 110 includes the main part 115 disposed at the center and the adjacent parts 116 and 117 disposed at both sides thereof.
- the housing 110 includes the main part 115 disposed at the center and the adjacent parts 116 and 117 disposed at both sides thereof.
- the housing 110 may be composed of two or four or more parts,
- the length of the housing 110 may be adjusted as necessary, for example, according to the length of the ejector unit 120 to be embedded.
- the inlet port 111 is in the first adjacent part 116
- the suction port 113 is in the main part 115
- the discharge port 112 is in the second adjacent part 117. It is formed in each.
- the suction port 113 is formed in a number of forms on each side of the main part 115.
- the positions of the ports 111, 112, and 113 are not limited to the parts 115, 116, and 117, respectively.
- Each part 115, 116, 117 may have two or more types of ports 111, 112, and 113.
- reference numerals 113a and 112a denote suction ports and discharge ports respectively formed at both ends of the ejector unit 120.
- a plurality of mutually engaging means 118a to 118b are formed along the end contact surfaces S1 and S2.
- the drawing illustrates the corresponding structure of the protrusion-groove type as the locking means 118a-118b, it may be possible to have a corresponding structure of the rotary tooth type, and various modifications may be made as required.
- the number and position of the locking means 118a-118b are related to the outer shape of the main part 115. That is, as shown, when the outer shape is substantially rectangular, a total of four locking means 118a to 118b are formed, one at a position corresponding to each surface, each of which is the same shape. Accordingly, the main part 115 may be connected to the adjacent parts 116 and 117 with one direction selected while rotating relative to the adjacent parts 116 and 117 (see 'R' in FIG. 6), and in this embodiment, the suction port The direction of 113 can be selected from four directions as needed.
- a plurality of flexible hoses connected to each suction port 113 and a suction cup will be connected to the housing 110.
- the hose is often twisted or entangled depending on the direction of the suction port 113 or the direction of the vacuum cup or the object.
- a configuration in which the direction of the suction port 113 can be arbitrarily selected can be used very effectively.
- the ejector unit 120 supports an ejector body 121 mounted in the longitudinal direction of the inside of the housing 110, particularly in the vacuum chamber C, and supports both ends of the body 121 in the housing 110. It comprises a support (124, 125).
- the body 121 is:
- the ejector body 121 of this type has excellent space mounting property, it may be designed to be mounted inside the housing 110 without a separate supporting means.
- the ejector unit 120 is mounted at both ends of the main body 121 to form the vacuum chamber C in the housing 110 and to stabilize the ejector main body 121.
- the first support 124 and the second support 125 in contact with the inner diameter of the housing 110 is further provided.
- the support 124, 125 should be designed so as not to interfere with the communication relationship between at least each of the ports (111, 112, 112a, 113, 113a, 114) and the ejector body 121.
- the first support 124 has a supply line 126 is inserted into the supply port 122a side end of the main body 121 and extends to the inlet port 111, the ring-shaped protrusion toward the outside of the housing 110 127.
- the first support 124 further has a discard line 128a extending from the discard port 114 formed in the housing 110 to the vacuum chamber C.
- the protrusion 127 is designed to have an inner diameter of the suction port 113a.
- the first support 124 has a path 129 extending from the suction port 113a to the vacuum chamber C, and from the discard port 114 to the protrusion 127 inner diameter suction port 113a. It further has a discarding line 128b extending.
- the filter (F) for filtration of the air sucked is installed on the suction port 113a side of the protrusion 127
- the digging line (128b) is the back surface of the filter (F) It is formed to be inclined toward, which does not possibly attenuate the speed and pressure of the compressed air supplied to the discard port 114.
- the second support 125 has a discharge line 130 is inserted into the outlet 122b side end of the main body 121 and extends to the discharge port 112, the ring-shaped protrusion (outward) toward the outside of the housing 110 ( 131).
- the inner diameter of the protrusion 131 of the second support 125 is used as the discharge port 112a.
- the first support 124 and the second support 125 are each separated into an inner body portion directly supporting the ejector body 121 and an outer protrusion portion 127 and 131, It is illustrated that the fastening with the 'c' type clip 132 provided on the outer surface. Therefore, the parts constituting the ejector body 121 and the respective supporters 124 and 125 can be easily and simply assembled. However, depending on the design, it may be changed to one body or another shape.
- Reference numeral 133 denotes a locking means formed in each support 124, 125:
- the vacuum pump 100 of the present invention comprises a means for providing adhesion between the parts (115, 116, 117) of the housing (110).
- the locking means 118a, 118b may be used as the means through appropriate design changes, in which case no separate configuration for this means will be required.
- this embodiment :
- a snap ring 146 fitted into an outer diameter of an outer protrusion 131 of the ejector unit 120 protruding to one side of the housing 110;
- Crimping means 140 provided on one side or both sides of the housing 110;
- the pressing means 140 is provided on one side or both sides of the housing 110 to provide adhesion between adjacent parts 115, 116 and 117, and specifically, the plate 141 contacting both sides of the housing 110. It is included in the end of the ejector 120 passing through the mounting hole 142 of the plate 141, and comprises a pressing hole 143 for pressing the plate 141 and each of the parts (115, 116, 117) in close contact.
- Reference numeral 144 denotes a fitting hole or a groove formed in the surface of the plate 141 in order to firmly fix the housing 110 in response to the protrusions on the adjacent parts 116 and 117 side.
- the hole 144 is formed along the periphery of the mounting hole 142, thereby enabling rotation and direction of the adjacent parts 116 and 117 with respect to the plate 141. This structure means that the direction change of the suction port 111 and the discharge port 112 of the housing 110 is possible.
- Reference numeral 145 denotes an inner protrusion of the mounting hole 142 and corresponds to the locking grooves 127a and 131a formed in the outer diameter of the protrusion 131 of the ejector 120 to prevent the ejector 120 from being arbitrarily rotated.
- the plate 141 may be used as a bracket for fixing the vacuum pump 100, and the pressing hole 143 is a nut member fitted to the outer diameter of the protrusions 127 and 131.
- the vacuum pump 100 of the present invention configured as described above is a compressed air supply device that is selectively connected to the inlet port 111 and the discard port 114 through the solenoid valve, which is connected to each suction port 113 by a long hose
- the vacuum transfer system includes a suction cup, a robot arm connected to the suction cup, and the like.
- the vacuum pump 100 is vacuum and negative pressure ( ⁇ ) according to the supply direction of the compressed air Create or destroy).
- the compressed air is supplied to the inlet port 111, passes through the supply line 126-the discharge line 130 at high speed, and then is discharged to the outside through the discharge ports 112 and 112a (see arrow 1).
- the internal air of the vacuum cup passes through the suction ports 113, 113a-the vacuum chamber C-the through hole 123, and is then drawn into the ejector body 121 to discharge the discharge ports 112, 112a together with the compressed air. It is discharged to the outside through (see fire table 2).
- a vacuum and a negative pressure are generated in the vacuum chamber C and the suction cup, and the object is gripped by using the generated negative pressure.
- the robot arm then operates to transport the object to the specified location.
- the hoses connecting the suction port 113 and the suction cup may be bent or bent and tangled with each other. In this case:
- the direction of the suction port 113 may be changed and selected by forcibly rotating the main part 115 without having to release the clamping holes 143. .
- compressed air is supplied to the disposal port 114 for quick separation of the adsorption cup and the object.
- the compressed air (see arrow 3) supplied to the discarding port 114 passes through the discarding lines 128a and 128b and is then supplied to the suction ports 113 and 113a via the vacuum filter C (arrows). 3-1, 3-2).
- the generated vacuum and negative pressure are destroyed, and the vacuum cup is separated from the object.
- the compressed air passing through the destruction line (128b) first hits the back surface of the filter (F), and also serves to remove and remove foreign substances adhering to the surface.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
Claims (13)
- 일측 유입포트(111)와 타측 배출포트(112) 및 측벽 흡입포트(113)를 가지며 내부에 상기 흡입포트(113)와 연통하는 진공챔버(C)가 형성된 중공형 부재로서, 흡입포트(113)를 갖는 메인 파트(115)를 포함하여 2 이상의 파트(115,116,117)가 일렬 배치되어 이루어지며, 이때 상기 메인 파트(115)와 인접 파트(116,117) 간 접촉면(S1,S2)을 따라 상호 걸림수단(118a,118b)이 다수 형성되어, 상기 인접 파트(116,117)에 대한 메인 파트(115)의 회전 및 그에 따른 흡입포트(113)의 방향 변환이 가능한 하우징(110);상기 하우징(110)의 내부에 장착되는 원통형 부재로서, 상기 유입포트(111)에 연통하는 일단 공급구(122a)와 배출포트(112)에 연통하는 타단 배출구(122b) 및 상기 진공챔버(C)를 경유하여 흡입포트(113)에 연통하는 측벽 통공(123)을 갖는 이젝터 본체(121)를 포함하는 이젝터부(120);상기 각 파트(115,116,117) 간 밀착력을 제공하는 수단;을 포함하는 것을 특징으로 하는 진공펌프.
- 제1항에 있어서,상기 걸림수단(118a,118b)은, 돌기-요홈 방식 또는 회전형 톱니방식의 대응구조인 것을 특징으로 하는 진공펌프.
- 제1항에 있어서,상기 하우징(110)은, 진공챔버(C)에 연통하는 파기포트(114)를 더 갖는 것을 특징으로 하는 진공펌프.
- 제1항에 있어서,상기 이젝터부(120)는:상기 본체(121)의 양단부에 각각 장착되고 그 외경이 하우징(110)의 내경에 접촉하며, 상기 하우징(110)의 각 포트(111,112,113)와 본체(121) 간의 연통관계를 방해하지 않도록 설계된 제1지지구(124)와 제2지지구(125);를 포함하는 것을 특징으로 하는 진공펌프.
- 제4항에 있어서,상기 제1지지구(124)는:상기 본체(121)의 공급구(122a) 측 단부가 삽입되고 유입포트(111)로 연장되는 공급라인(126)과; 상기 하우징(110)에 형성된 파기포트(114)로부터 진공챔버(C)로 연장되는 파기라인(128a)을 갖는 것;을 특징으로 하는 진공펌프.
- 제4항에 있어서,상기 제2지지구(125)는, 본체(121)의 배출구(122b) 측 단부가 삽입되고 배출포트(112,112a)로 연장되는 배출라인(130)을 갖는 것을 특징으로 하는 진공펌프.
- 제4항 내지 제6항 중 한 항에 있어서,상기 제1지지구(124) 또는 제2지지구(125)는, 상기 이젝터 본체(121)를 직접 지지하는 내측의 몸체 부분과 그 외측의 돌출부(127,131) 부분으로 분리되고, 각 부분의 외면에 제공되는 'ㄷ'형 클립(132)으로 체결되는 것을 특징으로 하는 진공펌프.
- 제1항에 있어서,상기 진공펌프(100)는:상기 밀착력을 제공하는 수단으로서, 하우징(110)의 일측 또는 양측에 제공되어 각 파트(115,116,117) 간 밀착력을 제공하는 압착수단(140,146);을 포함하는 것을 특징으로 하는 진공펌프.
- 제8항에 있어서,상기 압착수단(146)은, 하우징(110)의 일측으로 돌출된 이젝터부(120)의 외측 돌출부(131)의 외경에 끼워지는 스냅 링(146)인 것을 특징으로 하는 진공펌프.
- 제8항에 있어서,상기 압착수단(140)은:상기 하우징(110)의 양 측면에 접촉하는 플레이트(141)와;상기 플레이트(141)의 홀(142)을 통과한 이젝터부(120)의 단부 또는 돌출부(127,131)에 끼워져 상기 플레이트(141) 및 각 파트(115,116,117)를 가압 밀착시키는 압착구(143);를 포함하는 것을 특징으로 하는 진공펌프.
- 제10항에 있어서,상기 플레이트(141)는, 진공펌프(100) 고정용 브래킷인 것을 특징으로 하는 진공펌프.
- 제10항에 있어서,상기 플레이트(141)는, 하우징(110)을 견고하게 고정하기 위해, 상기 인접 파트(116,117) 측과 홀(144)-돌기 구조로 대응하는 것을 특징으로 하는 진공펌프.
- 제12항에 있어서,상기 홀(144)은 플레이트(141) 장착홀(142)의 주변을 따라 다수 형성되며, 이에 따라 플레이트(141)에 대한 인접 파트(116,117)의 회전 및 방향 설정이 가능해지는 것을 특징으로 하는 진공펌프.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/125,333 US10371174B2 (en) | 2014-04-08 | 2015-04-02 | Vacuum pump |
CN201580017396.3A CN106460873B (zh) | 2014-04-08 | 2015-04-02 | 真空泵 |
JP2016557035A JP2017519927A (ja) | 2014-04-08 | 2015-04-02 | 真空ポンプ |
DE112015001056.4T DE112015001056B4 (de) | 2014-04-08 | 2015-04-02 | Vakuumpumpe |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2014-0041677 | 2014-04-08 | ||
KR1020140041677A KR101424959B1 (ko) | 2014-04-08 | 2014-04-08 | 진공펌프 |
Publications (1)
Publication Number | Publication Date |
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WO2015156536A1 true WO2015156536A1 (ko) | 2015-10-15 |
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ID=51749078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2015/003275 WO2015156536A1 (ko) | 2014-04-08 | 2015-04-02 | 진공펌프 |
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US (1) | US10371174B2 (ko) |
JP (1) | JP2017519927A (ko) |
KR (1) | KR101424959B1 (ko) |
CN (1) | CN106460873B (ko) |
DE (1) | DE112015001056B4 (ko) |
WO (1) | WO2015156536A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3508734A4 (en) * | 2016-09-01 | 2020-02-12 | VTEC Co. Ltd. | VACUUM PUMP AND ARRANGEMENTS THEREOF |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US11724880B2 (en) * | 2019-07-29 | 2023-08-15 | Nimble Robotics, Inc. | Storage systems and methods for robotic picking |
US11738447B2 (en) | 2019-07-29 | 2023-08-29 | Nimble Robotics, Inc. | Storage systems and methods for robotic picking |
CN111255661A (zh) * | 2020-01-13 | 2020-06-09 | 格力休闲体育用品有限公司 | 提高充气效率的气泵充气系统及气泵 |
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- 2015-04-02 JP JP2016557035A patent/JP2017519927A/ja active Pending
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Also Published As
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CN106460873B (zh) | 2019-05-14 |
DE112015001056B4 (de) | 2019-09-19 |
DE112015001056T5 (de) | 2016-12-01 |
US10371174B2 (en) | 2019-08-06 |
US20170067488A1 (en) | 2017-03-09 |
DE112015001056T8 (de) | 2017-01-26 |
KR101424959B1 (ko) | 2014-08-01 |
JP2017519927A (ja) | 2017-07-20 |
CN106460873A (zh) | 2017-02-22 |
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