公开(公告)号：US10294943B2

公开(公告)日：2019-05-21

申请号：US15310572

申请日：2015-01-27

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： Yves Rosson ,  Patrice Bonnefoi ,  Ingrid Claudin

IPC: F01C1/02 ,  F03C2/00 ,  F03C4/00 ,  F04C18/00 ,  F04C2/00 ,  F04C29/02 ,  F01C21/02 ,  F04C18/02

Abstract: The scroll compressor (1) includes an orbiting scroll arrangement (7), and a drive shaft (18) configured to drive the orbiting scroll arrangement (7) in an orbital movement, the drive shaft (18) including a lubrication channel (32) and a first lubrication hole (35) fluidly connected to the lubrication channel (32) and emerging in an outer wall of the drive shaft (18). The scroll compressor (1) further includes a first and a second bearings (38, 39) axially offset along a rotation axis of the drive shaft (18) and each configured to engage the drive shaft (18). The first and second bearings (38, 39) and the drive shaft (18) partially define a first annular gap (44) in which emerges the first lubrication hole (35). The first bearing (38) and the drive shaft (18) define a first oil recess fluidly connected to the first annular gap (44), and the second bearing (39) and the drive shaft (18) define a second oil recess fluidly connected to the first annular gap (44).

公开(公告)号：US20170241420A1

公开(公告)日：2017-08-24

申请号：US15521635

申请日：2015-09-08

Applicant: DANFOSS COMMERCIAL COMPRESSORS S.A.

Inventor： Nicolas Nouyrigat ,  Patrice Bonnefoi ,  Yves Rosson ,  Ingrid Claudin ,  Arnaud Daussin

IPC: F04C29/12 ,  F04C27/00 ,  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.

公开(公告)号：US20170074267A1

公开(公告)日：2017-03-16

申请号：US15310572

申请日：2015-01-27

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： Yves Rosson ,  Patrice Bonnefoi ,  Ingrid Claudin

IPC: F04C29/02 ,  F04C18/02

CPC classification number: F04C29/023 ,  F01C21/02 ,  F04C18/0215 ,  F04C18/0223 ,  F04C29/028 ,  F04C2240/50 ,  F04C2240/56 ,  F04C2240/603

Abstract: The scroll compressor (1) includes an orbiting scroll arrangement (7), and a drive shaft (18) configured to drive the orbiting scroll arrangement (7) in an orbital movement, the drive shaft (18) including a lubrication channel (32) and a first lubrication hole (35) fluidly connected to the lubrication channel (32) and emerging in an outer wall of the drive shaft (18). The scroll compressor (1) further includes a first and a second bearings (38, 39) axially offset along a rotation axis of the drive shaft (18) and each configured to engage the drive shaft (18). The first and second bearings (38, 39) and the drive shaft (18) partially define a first annular gap (44) in which emerges the first lubrication hole (35). The first bearing (38) and the drive shaft (18) define a first oil recess fluidly connected to the first annular gap (44), and the second bearing (39) and the drive shaft (18) define a second oil recess fluidly connected to the first annular gap (44).

Abstract translation: 涡旋压缩机（1）包括绕动涡旋装置（7）和构造成在轨道运动中驱动绕动涡旋装置（7）的驱动轴（18），驱动轴（18）包括润滑通道（32） 以及流体连接到所述润滑通道（32）并且出现在所述驱动轴（18）的外壁中的第一润滑孔（35）。 涡旋压缩机（1）还包括沿着驱动轴（18）的旋转轴线轴向偏移并且构造成与驱动轴（18）接合的第一和第二轴承（38,39）。 第一和第二轴承（38,39）和驱动轴（18）部分地限定出第一润滑孔（35）的第一环形间隙（44）。 第一轴承（38）和驱动轴（18）限定了流体连接到第一环形间隙（44）的第一油凹槽，并且第二轴承（39）和驱动轴（18）限定第二油凹槽，其流体连接 到第一环形间隙（44）。

公开(公告)号：US20160238006A1

公开(公告)日：2016-08-18

申请号：US15027294

申请日：2014-09-16

Applicant: DANFOSS COMMERCIAL COMPRESSORS S.A.

Inventor： Yves Rosson ,  Patrice Bonnefoi ,  Ingrid Claudin

IPC: F04C18/02 ,  F04C29/00

Abstract: This scroll compressor (2) includes a first and second fixed scrolls (4, 5) comprising first and second fixed spiral wraps (9, 12), an orbiting scroll arrangement (7) comprising first and second orbiting spiral wraps (14, 15), the first fixed spiral wrap (9) and the first orbiting spiral wrap (14) forming a plurality of first compression chambers (16) and the second fixed spiral wrap (5) and the second orbiting spiral wrap (15) forming a plurality of second compression chambers (17). The scroll compressor further includes a drive shaft (23) adapted for driving the orbiting scroll arrangement (7) in an orbital movement, and a driving motor (24) arranged for driving in rotation the drive shaft (23) about a rotation axis, the driving motor (24) being located nearby the first fixed scroll (4). The first fixed scroll (4) includes at least one first discharge passage (21) arranged to conduct the refrigerant compressed in the first compression chambers (16) towards the driving motor (24).

Abstract translation: 该涡旋式压缩机（2）包括包括第一和第二固定螺旋形涡卷（9,12）的第一和第二固定涡旋件（4,5），包括第一和第二旋转螺旋涡卷（14,15）的绕动涡旋装置（7） ，第一固定螺旋形涡卷（9）和形成多个第一压缩室（16）的第一绕动螺旋涡卷（14）和第二固定螺旋涡卷（5）和第二绕动螺旋涡卷（15）形成多个 第二压缩室（17）。 涡旋压缩机还包括适于在轨道运动中驱动绕动涡旋装置（7）的驱动轴（23）和布置成围绕旋转轴线旋转驱动轴（23）的驱动马达（24）， 驱动马达（24）位于第一固定涡旋盘（4）附近。 第一固定涡旋盘（4）包括至少一个第一排放通道（21），其布置成将在第一压缩室（16）中压缩的制冷剂导向驱动马达（24）。

公开(公告)号：US10788037B2

公开(公告)日：2020-09-29

申请号：US15027294

申请日：2014-09-16

Applicant: Danfoss Commercial Compressors, S.A.

Inventor： Yves Rosson ,  Patrice Bonnefoi ,  Ingrid Claudin

IPC: F04C18/02 ,  F04C29/00 ,  F04C29/04

Abstract: This scroll compressor (2) includes a first and second fixed scrolls (4, 5) comprising first and second fixed spiral wraps (9, 12), an orbiting scroll arrangement (7) comprising first and second orbiting spiral wraps (14, 15), the first fixed spiral wrap (9) and the first orbiting spiral wrap (14) forming a plurality of first compression chambers (16) and the second fixed spiral wrap (5) and the second orbiting spiral wrap (15) forming a plurality of second compression chambers (17). The scroll compressor further includes a drive shaft (23) adapted for driving the orbiting scroll arrangement (7) in an orbital movement, and a driving motor (24) arranged for driving in rotation the drive shaft (23) about a rotation axis, the driving motor (24) being located nearby the first fixed scroll (4). The first fixed scroll (4) includes at least one first discharge passage (21) arranged to conduct the refrigerant compressed in the first compression chambers (16) towards the driving motor (24).

公开(公告)号：US20200011334A1

公开(公告)日：2020-01-09

申请号：US16492192

申请日：2018-03-08

Applicant: Robert Bosch GmbH ,  Danfoss Commercial Compressors

Inventor： Clement Martignago ,  Patrice Bonnefoi ,  Stan Vandesteene ,  Yves Rosson

IPC: F04D17/12 ,  F04D29/16 ,  F04D29/046

Abstract: The centrifugal turbo-compressor (2) includes a hermetic casing; a drive shaft (6); a first and a second compression stage (12, 13) configured to compress a refrigerant and respectively including a first and a second impeller (18, 19) connected to the drive shaft (6) and being arranged in a back-to-back configuration; an interstage sealing device provided between the first and second impellers (18, 19). The hermetic casing includes a main casing portion (4) in which are arranged the first and second compression stages (12, 13) and the inter-stage sealing device. The first and second compression stage (12, 13) respectively includes a first and a second aerodynamic member (29, 31) each having an annular disc shape and respectively facing front-sides (21, 22) of the first and second impellers (18, 19).

公开(公告)号：US10281046B2

公开(公告)日：2019-05-07

申请号：US15576433

申请日：2016-05-19

Applicant: Danfoss Commercial Compressors

Inventor： Arnaud Daussin ,  Patrice Bonnefoi ,  Yves Rosson ,  Nicolas Nouyrigat

IPC: F01D11/02 ,  F16J15/447 ,  F04D29/08

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).

公开(公告)号：US09657738B2

公开(公告)日：2017-05-23

申请号：US14890216

申请日：2014-05-21

Applicant: Danfoss Commercial Compressors

Inventor： Patrice Bonnefoi ,  Yves Rosson ,  Ingrid Claudin

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

CPC classification number: F04C29/005 ,  F04C18/0215 ,  F04C18/0223 ,  F04C23/008 ,  F04C29/023 ,  F04C2240/60

Abstract: This scroll compressor (2) includes a first fixed scroll (4), an orbiting scroll arrangement (7), a drive shaft (18) adapted for driving the orbiting scroll arrangement (7) in an orbital movement, a driving unit coupled to the drive shaft (18) and arranged for driving in rotation the drive shaft (18) about a rotation axis, and guide elements for guiding in rotation the drive shaft (18), the guide elements comprising at least a first guide bearing (29) and a second guide bearing (30) arranged to respectively guide a first portion (26) and a second portion (27) of the drive shaft (18). The drive shaft (18) extends across the orbiting scroll arrangement (7) such that the first and second portions (26, 27) of the drive shaft (18) are located on either side of the orbiting scroll arrangement (7), the first and second guide bearings (29, 30) being located on either side of the orbiting scroll arrangement (7).

公开(公告)号：US09534599B2

公开(公告)日：2017-01-03

申请号：US14138258

申请日：2013-12-23

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： Yves Rosson ,  Patrice Bonnefoi ,  Ingrid Claudin

IPC: F04C29/00 ,  F04C18/02

CPC classification number: F04C29/0057 ,  F04C18/0207 ,  F04C18/0215 ,  F04C29/0021

Abstract: This scroll compressor includes first and second fixed scroll members, first and second orbiting scroll members, a first Oldham coupling provided between the first orbiting scroll member and the first fixed scroll member and configured to prevent rotation of the first orbiting scroll member with respect to the first fixed scroll member, and a second Oldham coupling provided between the second orbiting scroll member and the second fixed scroll member and configured to prevent rotation of the second orbiting scroll member with respect to the second fixed scroll member. The first Oldham coupling is slidably mounted with respect to the first fixed scroll member along a first displacement direction, and the second Oldham coupling is slidably mounted with respect to the second fixed scroll member along a second displacement direction parallel with respect to first displacement direction. First and second orbiting scroll members are configured to operate in phase opposition.

Abstract translation: 该涡卷压缩机包括第一和第二固定涡旋件，第一和第二绕动涡旋件，第一十字联轴器，设置在第一绕动涡旋件和第一固定涡旋件之间，并被构造成防止第一绕动涡旋件相对于 第一固定涡旋构件和设置在第二绕动涡旋构件和第二固定涡旋构件之间的第二十字联轴器，并且构造成防止第二绕动涡旋构件相对于第二固定涡旋构件旋转。 第一十字联轴器沿着第一位移方向相对于第一固定涡旋构件可滑动地安装，并且第二十字联轴节相对于第二固定涡旋构件沿着相对于第一位移方向平行的第二位移方向可滑动地安装。 第一和第二绕动涡旋件构造成相反地操作。

公开(公告)号：US09080567B2

公开(公告)日：2015-07-14

申请号：US13863691

申请日：2013-04-16

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： David Genevois ,  Yves Rosson ,  Philippe Dugast

IPC: F01C1/02 ,  F04C18/00 ,  F04C29/04 ,  F04C23/00 ,  F04C29/02 ,  F04C18/02 ,  F01C21/10 ,  F04C23/02

CPC classification number: F04C18/00 ,  F01C1/0215 ,  F01C1/0261 ,  F01C21/10 ,  F04C18/0215 ,  F04C18/0261 ,  F04C23/00 ,  F04C23/008 ,  F04C23/02 ,  F04C29/026 ,  F04C29/04 ,  F04C29/042 ,  F04C29/045 ,  F04C2240/30 ,  F04C2240/603 ,  F04C2240/809

Abstract: The compressor includes a sealed enclosure containing a compression stage, an electric motor having a stator provided with a first and second end windings, an intermediate casing surrounding the stator so as to define an annular outer volume with the sealed enclosure, connecting means arranged to fluidly connect the compression stage and a distal chamber defined by the intermediate casing and the electric motor and comprising the second end winding, and a refrigerant suction inlet emerging in the annular outer volume. The connecting means include at least one refrigerant circulation duct situated outside the intermediate casing, and at least one distal window formed on the intermediate casing and emerging on the one hand in the at least one refrigerant circulation duct and on the other hand in the distal chamber near the second end winding of the stator.

Abstract translation: 该压缩机包括一个包含一个压缩级的密封外壳，一个具有定子的电动马达，该定子设有一个第一和第二个端部绕组，围绕定子的中间壳体，以便限定一个具有密封外壳的环形外部容积， 连接压缩台和由中间壳体和电动机限定的远端室，并且包括第二端部绕组，以及出现在环形外部容积中的制冷剂吸入口。 连接装置包括位于中间壳体外部的至少一个制冷剂循环管道和形成在中间壳体上的至少一个远端窗口，一方面在至少一个制冷剂循环管道中出现，另一方面在远端室中 靠近定子的第二端绕组。