公开(公告)号：WO2016192998A1

公开(公告)日：2016-12-08

申请号：PCT/EP2016/061183

申请日：2016-05-19

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： DAUSSIN, Arnaud ,  BONNEFOI, Patrice ,  ROSSON, Yves ,  NOUYRIGAT, Nicolas

IPC: F16J15/447

CPC classification number: F16J15/4472 ,  F01D11/02 ,  F04D29/08 ,  F05D2220/30 ,  F05D2240/55

Abstract: The fluid machine includes a stationary member (6), a rotary member (5) and a labyrinth seal (9) including a succession of stationary steps (11) formed on the stationary member (6), and a succession of rotary steps (14) formed on the rotary member (5). The labyrinth seal (9) further includes a plurality of stationary recesses (18) each formed in a radial wall portion (12) of a respective stationary step (11), and a plurality of rotary recesses (21) each formed in a radial wall portion (16) of a respective rotary step (14). Each stationary step (11) defines a stationary projection (19) delimited by the stationary recess (18) formed on said stationary step (11), and each rotary step (14) defines a rotary projection (22) delimited by the rotary recess (21) formed on said rotary step (14). The axial width (Wr) of each of the stationary recesses (18) and of the rotary recesses (21) substantially equals the axial width (Wp) of each of the stationary projections (19) and of the rotary projections (22).

Abstract translation: 流体机械包括固定构件（6），旋转构件（5）和迷宫式密封件（9），其包括形成在固定构件（6）上的一系列固定台阶（11）和一系列旋转台阶（14） ）形成在旋转构件（5）上。 所述迷宫式密封件（9）还包括多个固定凹部（18），每个固定凹部（18）各自形成在相应的固定台阶（11）的径向壁部分（12）中，以及多个旋转凹部（21） 相应的旋转步骤（14）的部分（16）。 每个固定步骤（11）限定由形成在所述固定台阶（11）上的固定凹部（18）限定的固定突起（19），并且每个旋转台阶（14）限定由旋转凹部（ 21）形成在所述旋转台阶（14）上。 每个固定凹部（18）和旋转凹部（21）的轴向宽度（Wr）基本上等于每个固定突起（19）和旋转突起（22）的轴向宽度（Wp）。

公开(公告)号：WO2016066311A1

公开(公告)日：2016-05-06

申请号：PCT/EP2015/070466

申请日：2015-09-08

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： NOUYRIGAT, Nicolas ,  BONNEFOI, Patrice ,  ROSSON, Yves ,  CLAUDIN, Ingrid ,  DAUSSIN, Arnaud

IPC: F04C29/12 ,  F04C18/02

CPC classification number: F04C29/12 ,  F04C18/0215 ,  F04C18/0223 ,  F04C27/001

Abstract: This scroll compressor includes a scroll compression unit including a first fixed scroll including a first fixed base plate and a first fixed spiral wrap, an orbiting scroll arrangement (7) including a first orbiting spiral wrap (14), the first fixed spiral wrap and the first orbiting spiral wrap (14) forming a plurality of first compression chambers. The scroll compressor further includes a refrigerant suction part suitable for supplying the scroll compression unit with refrigerant to be compressed. The orbiting scroll arrangement (7) further includes a first orbiting guiding portion (21) extending from an outer end portion of the first orbiting spiral wrap (14) and configured to guide, in use, at least a part of the refrigerant supplied to the scroll compression unit towards the first compression chambers.

Abstract translation: 该涡旋压缩机包括涡旋压缩单元，该涡旋压缩单元包括第一固定涡旋盘，该第一固定涡旋盘包括第一固定基板和第一固定螺旋涡卷，包括第一旋转螺旋涡卷（14）的绕动涡旋装置（7） 形成多个第一压缩室的第一绕动螺旋形涡卷（14）。 涡旋压缩机还包括适于向涡旋压缩单元供给要被压缩的制冷剂的制冷剂吸入部。 绕动涡旋装置（7）还包括从第一绕动螺旋涡卷（14）的外端部分延伸的第一轨道引导部分（21），并构造成在使用中引导至少一部分供应到 涡旋压缩单元朝向第一压缩室。

公开(公告)号：WO2022112336A1

公开(公告)日：2022-06-02

申请号：PCT/EP2021/082832

申请日：2021-11-24

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： DAUSSIN, Arnaud ,  GENEVOIS, David ,  BOU DARGHAM, Remi

IPC: F04C18/02

Abstract: The counterweight (26) for a scroll compressor is manufactured by an additive manufacturing process and comprises a mounting portion (28) having a first density and a mass portion (29) having a second density, the mass portion (29) being formed radially outward of the mounting portion (28).

公开(公告)号：WO2021089486A1

公开(公告)日：2021-05-14

申请号：PCT/EP2020/080694

申请日：2020-11-02

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： BOU DARGHAM, Remi ,  DAUSSIN, Arnaud ,  GENEVOIS, David

IPC: F04C18/02

Abstract: The scroll compressor comprises a fixed scroll (8) having an fixed end plate (11) and a fixed spiral wrap (12) extending from the fixed end plate (11); an orbiting scroll (9) having an orbiting base plate (14) and an orbiting spiral wrap (15) extending from a first face of the orbiting base plate (14), the orbiting spiral wrap (15) of the orbiting scroll (9) meshing with the fixed spiral wrap (12) of the fixed scroll (8) to form compression chambers (18), the orbiting base plate (14) comprising a flange portion (16) radially extending on at least part of the circumference of the orbiting base plate (14) and beyond an outer wall surface of the orbiting spiral wrap (15); and a first and a second axial stabilizing arrangement (29, 31) configured to axially stabilize the orbiting scroll (9), the first axial stabilizing arrangement (29) being formed between the flange portion (16) of the orbiting base plate (14) and the fixed scroll (8), and the second axial stabilizing arrangement (31) being formed between a portion of the orbiting spiral wrap (15) of the orbiting scroll (9) and the fixed end plate (11) of the fixed scroll (8).

公开(公告)号：WO2020164891A1

公开(公告)日：2020-08-20

申请号：PCT/EP2020/051869

申请日：2020-01-27

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： GENEVOIS, David ,  BOU DARGHAM, Remi ,  MONTES, Cyril ,  DAUSSIN, Arnaud

IPC: F04C18/02 ,  F04C23/00

Abstract: The scroll compressor (2) comprising a hermetic enclosure (3), a compression unit (11) configured to compress refrigerant, and an electric motor (16) configured to drive the compression unit (11) via a drive shaft (15), the hermetic enclosure (3) comprising a midshell (4), an upper cap (5) and a baseplate (6), the baseplate (6) comprising a mounting base (24) having a plate shape and including a central portion, and a cylindrical rim surrounding the central portion and extending upwardly, the cylindrical rim (28) being secured to the mounting base (24) by a double-welded T-joint (29), the double-welded T-joint (29) including an inner welding seam connecting an inner surface of the cylindrical rim (28) to the mounting base (24), and an outer welding seam connecting an outer surface of the cylindrical rim (28) to the mounting base (24).

公开(公告)号：WO2017005477A8

公开(公告)日：2017-01-12

申请号：PCT/EP2016/064160

申请日：2016-06-20

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： DAUSSIN, Arnaud ,  BONNEFOI, Patrice ,  NOUYRIGAT, Nicolas

IPC: F04D29/10 ,  F04D29/28 ,  F04D17/12

Abstract: The centrifugal compressor includes an hermetic housing; a drive shaft (4); a first and a second compression stage (8, 9) configured to compress a refrigerant, the first and second compression stages (8, 9) respectively including a first and a second impeller (18, 19), the first and second impellers (18, 19) being connected to the drive shaft (4) and being arranged in a back-to-back configuration; a radial annular groove (27) formed between the back-sides (25, 26) of the first and second impellers (18, 19); an inter-stage sealing arrangement (35) provided between the first and second compressor stages (8, 9) and in the radial annular groove (27); a radial bearing arrangement configured to rotatably support the drive shaft (4); and a thrust bearing arrangement configured to limit an axial movement of the drive shaft (4) during operation. The diameter of the inter-stage sealing arrangement (35) is configured to minimize the amplitude of the axial load applying on the thrust bearing arrangement during operation of the centrifugal compressor (2).

Abstract translation: 离心式压缩机包括密封壳体; 驱动轴（4）; 第一和第二压缩级（8,9），所述第一和第二压缩级构造成压缩制冷剂，所述第一和第二压缩级（8,9）分别包括第一和第二叶轮（18,19），所述第一和第二叶轮 ，19）连接到所述驱动轴（4）并且以背靠背配置布置; 在第一和第二叶轮（18,19）的后侧（25,26）之间形成的径向环形凹槽（27）; 设置在第一压缩机级和第二压缩机级（8,9）之间和径向环形槽（27）中的级间密封装置（35）; 径向轴承装置，其构造成可旋转地支撑所述驱动轴（4）; 以及推力轴承装置，该推力轴承装置构造成在操作期间限制驱动轴（4）的轴向运动。 级间密封装置（35）的直径构造成使得在离心式压缩机（2）的操作期间施加在推力轴承装置上的轴向负载的幅度最小化。

公开(公告)号：WO2017005477A1

公开(公告)日：2017-01-12

申请号：PCT/EP2016/064160

申请日：2016-06-20

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： DAUSSIN, Arnaud ,  BONNEFOI, Patrice ,  NOUYRIGAT, Nicolas

IPC: F04D29/10 ,  F04D29/28 ,  F04D17/12

CPC classification number: F04D29/102 ,  F04D17/12 ,  F04D17/122 ,  F04D25/06 ,  F04D29/051 ,  F04D29/053 ,  F04D29/056 ,  F04D29/286

Abstract: The centrifugal compressor includes an hermetic housing; a drive shaft (4); a first and a second compression stage (8, 9) configured to compress a refrigerant, the first and second compression stages (8, 9) respectively including a first and a second impeller (18, 19), the first and second impellers (18, 19) being connected to the drive shaft (4) and being arranged in a back-to-back configuration; a radial annular groove (27) formed between the back-sides (25, 26) of the first and second impellers (18, 19); an inter-stage sealing arrangement (35) provided between the first and second compressor stages (8, 9) and in the radial annular groove (27); a radial bearing arrangement configured to rotatably support the drive shaft (4); and a thrust bearing arrangement configured to limit an axial movement of the drive shaft (4) during operation. The diameter of the inter-stage sealing arrangement (35) is configured to minimize the amplitude of the axial load applying on the thrust bearing arrangement during operation of the centrifugal compressor (2).

Abstract translation: 离心压缩机包括密封壳体; 驱动轴（4）; 第一和第二压缩级（8,9），构造成压缩制冷剂，第一和第二压缩级（8,9）分别包括第一和第二叶轮（18,19），第一和第二叶轮（18） ，19）连接到所述驱动轴（4）并且被布置成背对背配置; 形成在第一和第二叶轮（18,19）的后侧（25,26）之间的径向环形槽（27）; 设置在第一和第二压缩机级（8,9）之间和径向环形槽（27）中的级间密封装置（35）; 被配置为可旋转地支撑所述驱动轴（4）的径向轴承装置; 以及构造成在操作期间限制驱动轴（4）的轴向运动的推力轴承装置。 级间密封装置（35）的直径构造成使在离心式压缩机（2）的操作期间施加在推力轴承装置上的轴向载荷的振幅最小化。

公开(公告)号：WO2016113006A1

公开(公告)日：2016-07-21

申请号：PCT/EP2015/074012

申请日：2015-10-16

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： DAUSSIN, Arnaud ,  BONNEFOI, Patrice ,  ROSSON, Yves ,  CLAUDIN, Ingrid

IPC: F04C18/02 ,  F04C23/00 ,  F04C29/02

CPC classification number: F04C18/0223 ,  F04C23/008 ,  F04C29/02

Abstract: The scroll compressor includes a compression unit comprising a first fixed scroll (4) having a receiving cavity (25) and an orbiting scroll arrangement, a refrigerant suction part (29) suitable for supplying the compression unit with a refrigerant flow, a first anti-rotation device located in the receiving cavity (25) and configured to prevent rotation of the orbiting scroll arrangement with respect to the first fixed scroll (4), and an oil discharge device (56) including an oil discharge passage (61), the oil discharge passage (61) including an oil inlet (62) fluidly connected to the receiving cavity (25) and at least one oil discharge outlet (63a) located in a refrigerant flow path and configured to supply the refrigerant flow with oil from the receiving cavity (25).

Abstract translation: 涡旋压缩机包括压缩单元，该压缩单元包括具有接收腔（25）和绕动涡旋装置的第一固定涡旋件（4），适于向压缩单元供应制冷剂流的制冷剂吸入部分（29） 旋转装置，其位于所述容纳腔（25）中并且被构造成防止所述绕动涡旋装置相对于所述第一固定涡旋盘（4）的旋转，以及包括排油通道（61）的排油装置（56） 排出通道（61），其包括流体地连接到容纳腔（25）的油入口（62）和位于制冷剂流动路径中的至少一个排油口（63a），其构造成用于从制冷剂流体 （25）。

公开(公告)号：WO2016113005A1

公开(公告)日：2016-07-21

申请号：PCT/EP2015/074009

申请日：2015-10-16

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： DAUSSIN, Arnaud ,  BONNEFOI, Patrice ,  ROSSON, Yves ,  CLAUDIN, Ingrid

IPC: F04C29/02 ,  F04C18/02 ,  F04C23/00

CPC classification number: F04C29/02 ,  F04C18/0215 ,  F04C23/001 ,  F04C23/008 ,  F04C2240/809

Abstract: The scroll compressor includes a closed container (2), a compression unit (3) including a first fixed scroll (4) and an orbiting scroll arrangement (7), a drive shaft (31) adapted for driving the orbiting scroll arrangement (7) in an orbital movement, a plurality of bearings (46, 47, 48) configured to rotatably support the drive shaft (31), a first anti-rotation device (51) configured to prevent rotation of the orbiting scroll arrangement (7) with respect to the first fixed scroll (4), a first oil sump delimited by the closed container (2), a second oil sump (S2) at least partially delimited by the first fixed scroll (4), a first lubrication system configured to lubricate at least partially the bearings with oil supplied from the first oil sump, and a second lubrication system configured to lubricate at least partially the first anti-rotation device (51) with oil supplied from the second oil sump (S2).

Abstract translation: 涡旋式压缩机包括密封容器（2），包括第一固定涡旋件（4）和绕动涡旋装置（7）的压缩单元（3），适于驱动绕动涡旋装置（7）的驱动轴（31） 在轨道运动中，构造成可旋转地支撑驱动轴（31）的多个轴承（46,47,48），第一防旋转装置（51），构造成防止绕动涡旋装置（7）相对于 第一固定涡旋盘（4），由密封容器（2）限定的第一油底壳，至少部分地由第一固定涡旋盘（4）限定的第二油底壳（S2），第一润滑系统， 至少部分地具有从第一油底壳供应的油的轴承;以及第二润滑系统，其被配置为至少部分地用从第二油底壳（S2）供应的油润滑第一防旋转装置（51）。