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公开(公告)号：US10458412B2
公开(公告)日：2019-10-29
申请号：US15432032
申请日：2017-02-14
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Sangwoo Joo
Abstract: A hermetic compressor is provided that may include a casing having an inner space, an orbiting scroll provided in the inner space, a non-orbiting scroll engaged with the orbiting scroll to form compression chambers, a high/low pressure dividing plate that divides the inner space into high and low pressure portions, and an overheat preventing unit coupled to a surface of the dividing plate at the high pressure portion, the overheat preventing unit having a communication hole formed through the dividing plate to communicate the high and low pressure portions, and having a valve spaced from the dividing plate by a predetermined interval to selectively open/close the communication hole according to a temperature variation of the high pressure portion, whereby transfer of a refrigerant temperature of the low pressure portion to the overheat preventing unit through the dividing plate may be prevented, and the compressor may be quickly stopped upon being overheated, thereby being protected from damage.
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公开(公告)号：US20190249667A1
公开(公告)日：2019-08-15
申请号：US16397490
申请日：2019-04-29
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Sangwoo Joo
CPC classification number: F04C28/26 , F04C18/0215 , F04C23/008 , F04C28/18 , F04C29/0085 , F04C29/124 , F04C2240/30
Abstract: A scroll compressor according to the present invention includes a casing, an orbiting member provided within the casing and performing an orbiting motion, a non-orbiting member forming a compression chamber together with the orbiting member, the compression chamber having a suction chamber, an intermediate pressure chamber and a discharge chamber, a communication passage communicating inside and outside of the compression chamber with each other, an opening/closing valve assembly provided outside the non-orbiting member within the casing and opening and closing the communication passage, and a switching valve assembly provided within the casing and operating the opening/closing valve assembly, whereby a facilitated fabrication, improved valve responsiveness and a relaxed restriction for a specification of a valve can be achieved, and also an over-compression can be prevented by an installation of a check valve, and an assembling efficiency can be improved by installing two valve assemblies outside the non-orbiting member.
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公开(公告)号：US09784271B2
公开(公告)日：2017-10-10
申请号：US14703159
申请日：2015-05-04
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Munyoung Lee , Nara Han
CPC classification number: F04C18/0215 , F04C23/008 , F04C27/005 , F04C27/008 , F04C28/26 , F04C29/02 , F04C29/122 , F05C2225/04 , F05C2251/14 , F05C2253/04
Abstract: A scroll compressor is provided that may include a first scroll, a second scroll that defines a plurality of compression chambers together with the first scroll, the second scroll having a discharge hole that communicates with a compression chamber among the plurality of compression chambers, a back pressure plate that defines a back pressure chamber to accommodate a refrigerant discharged from the discharge hole, a floating plate to define the back pressure chamber, and a sealing member to prevent the refrigerant from flowing between a first surface, which may be a sliding surface of the floating plate, and a second surface, which may face the first surface, of the back pressure plate. The sealing member may include a seal cover that contacts the other one of the first and second surfaces, and a seal, a portion of which may be accommodated in the seal cover. The seal cover may have a friction coefficient less than a friction coefficient of the seal.
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公开(公告)号：US09297383B2
公开(公告)日：2016-03-29
申请号：US13949307
申请日：2013-07-24
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Suchul Kim , Kiwon Park , Juhwan Yun
CPC classification number: F04C18/0261 , F04C18/0215 , F04C18/023 , F04C23/008 , F04C27/005 , F04C28/26
Abstract: An upper back pressure type scroll compressor is provided having a back pressure chamber. The scroll compressor may include a casing, a discharge cover, a main frame, a first scroll supported by the main frame, and a second scroll forming a suction chamber, an intermediate pressure chamber, and a discharge chamber together with the first scroll. The scroll compressor may also include a back pressure plate coupled to the second scroll. The back pressure plate may include a cavity with which the intermediate pressure chamber of the second scroll communicates. The scroll compressor may further include a floating plate movably coupled to the back pressure plate so as to seal an upper portion of the cavity.
Abstract translation: 提供具有背压室的上背压式涡旋压缩机。 涡旋式压缩机可以包括壳体，排出盖，主框架，由主框架支撑的第一涡卷，以及与第一涡旋件一起形成吸入室的第二涡卷，中间压力室和排出室。 涡旋压缩机还可以包括联接到第二涡旋件的背压板。 背压板可以包括与第二涡卷的中间压力室连通的空腔。 涡旋压缩机还可以包括可移动地联接到背压板的浮动板，以便密封空腔的上部。
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Patent Agency Ranking
公开(公告)号：US20150316055A1
公开(公告)日：2015-11-05
申请号：US14703084
申请日：2015-05-04
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Suchul Kim , Hyunwook Lee
IPC: F04C18/02
CPC classification number: F04C18/0223 , F01C1/0215 , F01C1/0246 , F01C1/0261 , F01C20/26 , F04C14/26 , F04C18/0215 , F04C18/0246 , F04C18/0261 , F04C23/008 , F04C27/005 , F04C28/26
Abstract: A scroll compressor is provided that may include a casing including a rotational shaft, a discharge cover fixed inside of the casing to partition the inside of the casing into a suction space and a discharge space, a first scroll that is revolved by rotation of the rotational shaft, a second scroll that defines a plurality of compression chambers together with the first scroll, the second scroll having an intermediate pressure discharge hole that communicates with a compression chamber having an intermediate pressure of the plurality of compression chambers, a back pressure plate that defines a back pressure chamber that accommodates a refrigerant discharged from the intermediate pressure discharge hole, a floating plate movably disposed on or at a side of the back pressure plate to define the back pressure chamber together with the back pressure plate, and an elastic member disposed between the floating plate and the discharge cover to provide an elastic force to the floating plate.
Abstract translation: 提供一种涡旋式压缩机，其可以包括壳体，其包括旋转轴，固定在壳体内部的排出盖，以将壳体的内部分隔成吸入空间和排出空间;第一涡旋件，其通过旋转的旋转旋转 轴，与第一涡旋件一起限定多个压缩室的第二涡旋件，第二涡旋件具有中间压力排出孔，其与具有多个压缩室的中间压力的压缩室连通;背压板，其限定 容纳从中间压力排出孔排出的制冷剂的背压室，可移动地设置在背压板的一侧或侧面的浮动板，与背压板一起限定背压室，以及弹性构件， 浮板和排出盖，以向浮板提供弹性力。
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公开(公告)号：US10316843B2
公开(公告)日：2019-06-11
申请号：US15390246
申请日：2016-12-23
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Sangwoo Joo
IPC: F03C2/00 , F03C4/00 , F04C18/00 , F04C2/00 , F04C28/26 , F04C18/02 , F04C28/18 , F04C29/00 , F04C29/12 , F04C23/00
Abstract: A scroll compressor according to the present invention includes a casing, an orbiting member provided within the casing and performing an orbiting motion, a non-orbiting member forming a compression chamber together with the orbiting member, the compression chamber having a suction chamber, an intermediate pressure chamber and a discharge chamber, a communication passage communicating inside and outside of the compression chamber with each other, an opening/closing valve assembly provided outside the non-orbiting member within the casing and opening and closing the communication passage, and a switching valve assembly provided within the casing and operating the opening/closing valve assembly, whereby a facilitated fabrication, improved valve responsiveness and a relaxed restriction for a specification of a valve can be achieved, and also an over-compression can be prevented by an installation of a check valve, and an assembling efficiency can be improved by installing two valve assemblies outside the non-orbiting member.
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公开(公告)号：US10072658B2
公开(公告)日：2018-09-11
申请号：US14627607
申请日：2015-02-20
Applicant: LG ELECTRONICS INC.
Inventor： Suchul Kim , Honggyun Jin , Kiwon Park
CPC classification number: F04C27/005 , F04C18/0207 , F04C18/0215 , F04C18/0246 , F04C18/0261 , F04C18/0269 , F04C18/0284 , F04C18/0292 , F04C23/008 , F04C28/06 , F04C28/26 , F04C29/0057 , F04C29/028 , F04C29/12 , F04C29/128 , F04C2240/603
Abstract: A scroll compressor is provided. The scroll compressor may include a casing including a rotational shaft, a discharge cover fixed at an inside of the casing to partition the inside of the casing into a suction space and a discharge space, a first scroll rotated by the rotational shaft to perform an orbiting motion, a second scroll disposed on or at a side of the first scroll to define a plurality of compression chambers together with the first scroll, the second scroll having an intermediate pressure discharge hole that communicates with a compression chamber having an intermediate pressure among the plurality of compression chambers, a back pressure plate coupled to the second scroll, the back pressure plate having an intermediate pressure suction hole that communicates with the intermediate pressure discharge hole, a floating plate movably disposed on or at a side of the back pressure plate to define a back pressure chamber together with the back pressure plate, and a discharge guide defined in the first scroll or the second scroll to guide discharge of a refrigerant within the back pressure chamber.
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公开(公告)号：US09970438B2
公开(公告)日：2018-05-15
申请号：US14748464
申请日：2015-06-24
Applicant: LG ELECTRONICS INC.
Inventor： Suchul Kim , Kiwon Park , Honggyun Jin
IPC: F04C18/02 , F04C29/00 , F01C17/06 , F04C28/26 , F04C27/00 , F04C23/00 , F04C28/08 , F04C28/10 , F04C28/06
CPC classification number: F04C18/0215 , F01C17/066 , F04C18/0246 , F04C18/0253 , F04C18/0269 , F04C18/0284 , F04C23/008 , F04C27/005 , F04C28/06 , F04C28/10 , F04C28/26 , F04C29/0057
Abstract: A scroll compressor is provided that may include a casing including a rotational shaft, a cover fixed inside of the casing to partition the inside of the casing into a suction space and a discharge space, a first scroll that is revolved by rotational of the rotational shaft, a second scroll disposed on or at a side of the first scroll to define a plurality of compression chambers together with the first scroll, the second scroll having an intermediate pressure discharge hole that communicates with a compression chamber having an intermediate pressure of the plurality of compression chambers, a back pressure plate coupled to the second scroll, the back pressure plate having an intermediate pressure suction hole that communicates with the intermediate pressure discharge hole, and a floating plate movably disposed on or at a side of the back pressure plate to define the back pressure chamber together with the back pressure plate. The discharge space may have a volume greater by a set ratio or more than a volume of the back pressure chamber.
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公开(公告)号：US09890861B2
公开(公告)日：2018-02-13
申请号：US14948928
申请日：2015-11-23
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Munyoung Lee , Sangwoo Joo
IPC: F03C2/00 , F03C4/00 , F04C2/00 , F16J15/3224 , F04C18/02 , B29C33/00 , B29C45/00 , F16J15/3204 , F01C19/00 , F04C27/00 , B29L31/26 , F04C23/00
CPC classification number: F16J15/3224 , B29C33/005 , B29C45/0025 , B29C2045/0034 , B29L2031/26 , B29L2031/265 , F01C19/005 , F04C18/0215 , F04C23/008 , F04C27/003 , F04C2230/21 , F16J15/3204
Abstract: A scroll compressor is provided that may include a casing, a discharge cover fixed inside of the casing, a first scroll revolved a rotational shaft, a second scroll provided on the first scroll to define compression chambers, the second scroll having an intermediate pressure discharge hole that communicates with a compression chamber of the compression chambers having an intermediate pressure, a back pressure plate provided on the second scroll and having an intermediate pressure suction hole that communicates with the intermediate pressure discharge hole, a floating plate movably provided at a side of the back pressure plate and defining a back pressure chamber, and a sealing member provided between the back pressure plate and the floating plate, the sealing member including a sealing body, and at least one protrusion provided at an incline with respect to a central line that extends in a horizontal direction of the sealing body.
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