公开(公告)号：US20170342984A1

公开(公告)日：2017-11-30

申请号：US15390246

申请日：2016-12-23

Applicant: LG ELECTRONICS INC.

Inventor： Honggyun JIN ,  Sangwoo JOO

IPC: F04C28/26 ,  F04C28/18 ,  F04C18/02 ,  F04C29/00 ,  F04C29/12

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.

公开(公告)号：US20150369246A1

公开(公告)日：2015-12-24

申请号：US14748464

申请日：2015-06-24

Applicant: LG ELECTRONICS INC.

Inventor： Suchul KIM ,  Kiwon PARK ,  Honggyun JIN

IPC: F04C29/12 ,  F04C29/02 ,  F04C18/02

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.

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，其通过旋转轴 ，设置在所述第一涡旋件的一侧或其一侧的第二涡卷，以与所述第一涡旋件一起限定多个压缩室，所述第二涡旋件具有中间压力排出孔，所述中压排出孔与具有所述多个 压缩室，联接到第二涡旋盘的背压板，背压板具有与中压排出孔连通的中间压力吸入孔，以及可移动地设置在背压板的一侧或侧面上的浮动板，以限定 背压室与背压板一起。 放电空间可以具有大于设定比例的体积或大于背压室的容积。

公开(公告)号：US20150316054A1

公开(公告)日：2015-11-05

申请号：US14702989

申请日：2015-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Honggyun JIN ,  Minjae KIM ,  Kiwon PARK

IPC: F04C18/02

CPC classification number: F04C18/0223 ,  F04C15/0011 ,  F04C15/0023 ,  F04C18/0215 ,  F04C23/008 ,  F04C2230/91 ,  F04C2230/92

Abstract: The 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 back pressure plate that defines a back pressure chamber that accommodates a refrigerant, a floating plate to define the back pressure chamber together with the back pressure plate, the floating plate including a contact or rib capable of contacting the discharge cover, and a coating layer that defines an outer surface of the contact. The discharge cover may have a first hardness value, the floating plate may have a second hardness value, and the coating layer may have a third hardness value. The third hardness value may be less than the first hardness value and greater than the second hardness value.

Abstract translation: 涡旋压缩机设置成可以包括包括旋转轴的壳体; 排出盖，其固定在所述壳体内部，以将所述壳体的内部分隔成吸入空间和排出空间; 背压板，其限定容纳制冷剂的背压室，与所述背压板一起限定所述背压室的浮动板，所述浮板包括能够接触所述排出盖的接触件或肋，以及涂层 其限定了接触件的外表面。 排出盖可以具有第一硬度值，浮动板可以具有第二硬度值，并且涂层可以具有第三硬度值。 第三硬度值可以小于第一硬度值并且大于第二硬度值。

公开(公告)号：US20170241417A1

公开(公告)日：2017-08-24

申请号：US15388584

申请日：2016-12-22

Applicant: LG ELECTRONICS INC.

Inventor： Honggyun JIN ,  Sangwoo JOO

IPC: F04C28/26 ,  F04C18/02

CPC classification number: F04C28/26 ,  F04C18/0215 ,  F04C18/0261 ,  F04C18/0292 ,  F04C23/008 ,  F04C28/10 ,  F04C29/126 ,  F04C2240/30 ,  F04C2240/808

Abstract: A scroll compressor according to the present invention includes a casing having a hermetic inner space divided into a low pressure portion and a high pressure portion, an orbiting scroll disposed within the inner space of the casing and performing an orbiting motion, a non-orbiting scroll forming a compression chamber together with the orbiting scroll, the compression chamber having a suction chamber, an intermediate pressure chamber and a discharge chamber, a back pressure chamber assembly coupled to the non-orbiting scroll to form a back pressure chamber, a valve accommodation groove formed on at least one of the non-orbiting scroll or the back pressure chamber assembly, a bypass hole formed from the intermediate pressure chamber into the valve accommodation groove in a penetrating manner, a check valve accommodated in the valve accommodation groove and opening and closing the bypass hole according to pressure of the intermediate pressure chamber, a communication passage communicating the valve accommodation groove and the low pressure portion with each other, and a control valve selectively opening and closing the communication passage, whereby a facilitated fabrication, improved responsiveness and relaxed restriction for a specification of a valve can be achieved.

公开(公告)号：US20160160859A1

公开(公告)日：2016-06-09

申请号：US14948928

申请日：2015-11-23

Applicant: LG ELECTRONICS INC.

Inventor： Honggyun JIN ,  Munyoung LEE ,  Sangwoo JOO

IPC: F04C27/00 ,  F16J15/3224 ,  B29C45/37 ,  F04C18/02

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 sealing member, a scroll compressor, and a method for manufacturing a sealing member for a scroll compressor are provided. The scroll compressor may include a casing in which a rotational shaft may be provided, a discharge cover fixed to an inside of the casing to partition the inside of the casing into a suction space and a discharge space, a first scroll revolved by rotation of the rotational shaft, a second scroll provided on 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 of the plurality of compression chambers having an intermediate pressure, a back pressure plate provided on 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 provided at a side of the back pressure plate to define a back pressure chamber together with the back pressure plate, and a sealing member provided between a surface of the back pressure plate and a surface of the floating plate to prevent a refrigerant from leaking from the back pressure chamber. The sealing member may include 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.

Abstract translation: 提供一种密封构件，涡旋压缩机以及用于制造涡旋压缩机的密封构件的方法。 涡卷压缩机可以包括可以设置旋转轴的壳体，固定到壳体内部的排出盖，以将壳体的内部分隔成吸入空间和排出空间，第一涡旋通过旋转轴旋转 旋转轴，设置在第一涡旋件上以与第一涡旋件一起限定多个压缩室的第二涡旋件，第二涡旋件具有与具有中间压力的多个压缩室的压缩室连通的中间压力排出孔， 设置在所述第二涡旋盘上的背压板，所述背压板具有与所述中间压力排出孔连通的中间压力吸入孔，可移动地设置在所述背压板的一侧的浮动板，以与背压室一起限定背压室， 背压板和设置在背压板的表面和a之间的密封构件 浮板的表面，以防止制冷剂从背压室泄漏。 密封构件可以包括密封体，以及设置在相对于在密封体的水平方向上延伸的中心线的倾斜处的至少一个突起。

公开(公告)号：US20170342983A1

公开(公告)日：2017-11-30

申请号：US15390221

申请日：2016-12-23

Applicant: LG ELECTRONICS INC.

Inventor： Honggyun JIN ,  Sangwoo JOO

IPC: F04C28/26 ,  F04C28/18 ,  F04C18/02 ,  F04C29/00 ,  F04C29/12

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 configured to bypass a refrigerant of the compression chamber into the casing, an opening/closing valve assembly configured to open and close the communication passage, and a switching valve assembly configured to operate the opening/closing valve assembly, the switching valve assembly being provided outside the casing and connected to the opening/closing valve assembly, whereby an installation of the bypass hole can result in prevention of over-compression and an installation of a control valve for varying a capacity outside the casing can result in reduction of costs for the control valve.

公开(公告)号：US20150316058A1

公开(公告)日：2015-11-05

申请号：US14703159

申请日：2015-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Honggyun JIN ,  Munyoung LEE ,  Nara HAN

IPC: F04C27/00

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.

Abstract translation: 提供一种涡旋式压缩机，其可以包括第一涡旋件，与第一涡旋件一起限定多个压缩室的第二涡旋件，第二涡旋件具有与多个压缩室中的压缩室连通的排出孔， 限定背压室以容纳从排出孔排出的制冷剂的压力板，限定背压室的浮动板和用于防止制冷剂在第一表面之间流动的密封构件，第一表面可以是 浮板和可能面向第一表面的第二表面的背压板。 密封构件可以包括接触第一和第二表面中的另一个的密封盖，以及密封件，其一部分可以容纳在密封盖中。 密封盖可具有小于密封件的摩擦系数的摩擦系数。

公开(公告)号：US20150316057A1

公开(公告)日：2015-11-05

申请号：US14700304

申请日：2015-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Juhwan YUN ,  Taeyeon KIM ,  Suchul KIM ,  Honggyun JIN

IPC: F04C27/00 ,  F04C29/12 ,  F04C18/02

CPC classification number: F04C27/005 ,  F04C18/0215 ,  F04C23/008 ,  F04C28/24 ,  F04C28/26 ,  F04C29/124

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 revolved by rotation of the rotational shaft, a second scroll disposed on or at one side of the first scroll to define a compression chamber together with the first scroll, the second scroll including a discharge, through which a refrigerant pressed in the compression chamber may be discharged, a switching device movably disposed on or at one side of the discharge to selectively open and close the discharge, a back pressure portion including a moving guide that accommodates at least a portion of the switching device, and a top surface that covers one side of the switching device; and an adhesion preventer that reduces a contact area between the switching device and at least a portion of the back pressure portion.

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，固定在壳体内部的盖，以将壳体的内部分隔成吸入空间和排出空间，通过旋转轴的旋转旋转的第一涡旋， 第二涡卷设置在第一涡旋件的一侧或其一侧，以与第一涡旋件一起限定压缩室，第二涡卷包括排出口，压缩室中被压制的制冷剂可以通过该排出口，可移动地设置在或 在所述排出口的一侧，以选择性地打开和关闭所述排放;背压部，包括容纳所述开关装置的至少一部分的移动引导件和覆盖所述开关装置的一侧的顶面; 以及减少开关装置与背压部的至少一部分之间的接触面积的防粘附剂。

公开(公告)号：US20150233375A1

公开(公告)日：2015-08-20

申请号：US14627607

申请日：2015-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Suchul KIM ,  Honggyun JIN ,  Kiwon PARK

IPC: F04C18/02 ,  F04C29/12 ,  F04C27/00

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.

Abstract translation: 提供涡旋压缩机。 涡旋式压缩机可以包括壳体，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，由旋转轴旋转以执行轨道运动的第一涡旋 运动，设置在第一涡旋件的一侧或其一侧的第二涡卷，以与第一涡旋件一起限定多个压缩室，第二涡旋件具有中间压力排出孔，该中间压力排出孔与具有中间压力的压缩室连通 压缩室，与第二涡旋盘联接的背压板，背压板具有与中压排出孔连通的中间压力吸入孔，可移动地设置在背压板的一侧或侧面的浮动板，以限定 与背压板一起的背压室和限定在第一涡旋件或t中的排出引导件 他的第二个涡旋导向排出后压力室内的制冷剂。