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1. 发明授权

US11668301B2 Scroll compressor having a press-fitted motor and a vertically central suction inlet 有权
公开(公告)号：US11668301B2
公开(公告)日：2023-06-06
申请号：US17087986
申请日：2020-11-03
申请人： Danfoss Commercial Compressors
发明人： Patrice Bonnefoi , Yann Even , Yves Rosson , Brian Angel , Meldener Gael
IPC分类号： F04C18/02 , F04C15/06 , F04C23/00
CPC分类号： F04C18/0215 , F04C15/06 , F04C2240/10 , F04C2240/30 , F04C2240/40 , F04C2240/50 , F04C2240/60
摘要： The scroll compressor (2) includes a hermetic casing (3) comprising a mid shell (4) provided with a suction inlet (7); a compression unit (11) arranged within the hermetic casing (3); a drive shaft (27) configured to drive an orbiting scroll (13) of the compression unit (11); an electric motor (21) coupled to the drive shaft (27) and configured to drive in rotation the drive shaft (27) about its rotational axis, the electric motor (21) including a rotor (22) and a stator (23) which includes a stator stack (24), wherein the stator stack (24) is press-fitted in the mid shell (4), the suction inlet (7) is facing the stator stack (24), and the compression unit (11) includes a single suction opening (34) arranged at an opposite position in relation to the suction inlet (7).

2. 发明授权

US11525453B2 Bearing arrangement for a drive shaft of a turbo-machine, and a turbo-machine including such a bearing arrangement 有权
公开(公告)号：US11525453B2
公开(公告)日：2022-12-13
申请号：US16491201
申请日：2018-03-08
申请人： Robert Bosch GmbH , Danfoss Commercial Compressors
发明人： Clement Martignago , Patrice Bonnefoi , Stan Vandesteene , Yves Rosson
IPC分类号： F04D29/056 , F01D25/12 , F16C3/02 , F16C17/02 , F16C33/12 , F04D29/057
摘要： The bearing arrangement includes a one-piece gas bearing sleeve (32) configured to rotatably support the drive shaft (4) and made in molybdenum or in a molybdenum alloy, the one-piece gas bearing sleeve (32) including a radial bearing surface (33) configured to Surround the drive shaft (4).

3. 发明申请

US20220282729A1 SCROLL COMPRESSOR INCLUDING AN ELECTRICAL BOX CONTAINING A WIRE GUIDING PART 有权
公开(公告)号：US20220282729A1
公开(公告)日：2022-09-08
申请号：US17545564
申请日：2021-12-08
申请人： Danfoss Commercial Compressors
发明人： Jerome Burgod , Guillaume Rochet
IPC分类号： F04C15/00 , H02G3/16 , F04C2/02
摘要： The scroll compressor (1) includes a hermetic casing (2); an electric motor (12) arranged within the hermetic casing (2); an electrical box (14) attached to an outer surface of the hermetic casing (2); and compressor power terminals (13) insulated from the hermetic casing (2) and electrically connected to the electric motor (12), the compressor power terminals (13) protruding in the electrical box (14), the electrical box (14)] containing a control module (15) configured to control the electric motor (12), control wires (16) connected to the control module (15), and a terminal block assembly (17) configured to electrically connect the compressor power terminals (13) and the control wires (16) to external power leads (18) of an external power source. The terminal block assembly (17) includes a body part (19) and a wire guiding part (21) which is configured to guide and position the control wires (16) in predetermined connection positions with respect to the body part (19).

4. 发明申请

US20210131432A1 SCROLL COMPRESSOR HAVING A PRESS-FITTED MOTOR AND A VERTICALLY CENTRAL SUCTION INLET 有权
公开(公告)号：US20210131432A1
公开(公告)日：2021-05-06
申请号：US17087986
申请日：2020-11-03
申请人： Danfoss Commercial Compressors
发明人： Patrice Bonnefoi , Yann Even , Yves Rosson , Brian Angel , Meldener Gael
IPC分类号： F04C18/02 , F04C15/06
摘要： The scroll compressor (2) includes a hermetic casing (3) comprising a mid shell (4) provided with a suction inlet (7); a compression unit (11) arranged within the hermetic casing (3); a drive shaft (27) configured to drive an orbiting scroll (13) of the compression unit (11); an electric motor (21) coupled to the drive shaft (27) and configured to drive in rotation the drive shaft (27) about its rotational axis, the electric motor (21) including a rotor (22) and a stator (23) which includes a stator stack (24), wherein the stator stack (24) is press-fitted in the mid shell (4), the suction inlet (7) is facing the stator stack (24), and the compression unit (11) includes a single suction opening (34) arranged at an opposite position in relation to the suction inlet (7).

5. 发明授权

US10578109B2 Scroll compressor having an oil discharge device 有权
公开(公告)号：US10578109B2
公开(公告)日：2020-03-03
申请号：US15542487
申请日：2015-10-16
申请人： Danfoss Commercial Compressors
发明人： Arnaud Daussin , Patrice Bonnefoi , Yves Rosson , Ingrid Claudin
IPC分类号： F04C29/02 , F04C23/00 , F04C18/02
摘要： A scroll compressor including a compression unit includes a first non-orbiting scroll having a receiving cavity and an orbiting scroll arrangement. The compression unit further includes a refrigerant suction part suitable for supplying the compression unit with a refrigerant flow, and a first anti-rotation device located in the receiving cavity and configured to prevent rotation of the orbiting scroll arrangement with respect to the first fixed non-orbiting scroll. The compression unit further includes an oil discharge device including an oil discharge passage, the oil discharge passage includes an oil inlet fluidly connected to the receiving cavity and at least one oil discharge outlet located in a refrigerant flow path and configured to supply the refrigerant flow with oil from the receiving cavity.

6. 发明授权

US10294943B2 Scroll compressor with a lubrication arrangement 有权
公开(公告)号：US10294943B2
公开(公告)日：2019-05-21
申请号：US15310572
申请日：2015-01-27
申请人： DANFOSS COMMERCIAL COMPRESSORS
发明人： Yves Rosson , Patrice Bonnefoi , Ingrid Claudin
IPC分类号： F01C1/02 , F03C2/00 , F03C4/00 , F04C18/00 , F04C2/00 , F04C29/02 , F01C21/02 , F04C18/02
摘要： 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).

7. 发明申请

US20180355869A1 SCROLL COMPRESSOR PROVIDED WITH A FLUID DEFLECTING AND DIVIDING DEVICE 审中-公开
公开(公告)号：US20180355869A1
公开(公告)日：2018-12-13
申请号：US15992323
申请日：2018-05-30
申请人： Danfoss Commercial Compressors
发明人： Arnaud Daussin , Alain Picavet , Remi Bou Dargham
IPC分类号： F04C29/04 , F04C23/00 , F04C29/12
CPC分类号： F04C29/045 , F04C18/0215 , F04C23/008 , F04C29/12 , F04C2210/26 , F04C2240/30 , F04C2270/20
摘要： The scroll compressor (2) includes an outer shell (4); a refrigerant suction inlet (7) formed in the outer shell (4) and configured to supply the scroll compressor (2) with refrigerant to be compressed; a compression unit (11) configured to compress refrigerant; a driving motor (21) configured to drive the compression unit (11) via a drive shaft (19); a fluid deflecting and dividing device (35) configured to divide a refrigerant suction flow entering the scroll compressor (2) through the refrigerant suction inlet (7) at least into a first flow (F1) and a second flow (F2). The fluid deflecting and dividing device (35) includes a first end (37) facing the refrigerant suction inlet (7) and a second end (38) which is closer to the compression unit (11) than the first end (37), the fluid deflecting and dividing device (35) being configured to guide the first flow (F1) towards the compression unit (11) and to guide the second flow (F2) towards the driving motor (21).

8. 发明申请

US20180320519A1 SCROLL COMPRESSOR HAVING A BASEPLATE INCLUDING FIRST AND SECOND CYLINDRICAL RIM PORTIONS 审中-公开
公开(公告)号：US20180320519A1
公开(公告)日：2018-11-08
申请号：US15955794
申请日：2018-04-18
申请人： Danfoss Commercial Compressors
发明人： Philippe Perisse , Patrice Oliveau
IPC分类号： F01C1/02 , F04C23/00 , F04C18/02 , F01C21/02 , F01C21/00
摘要： The scroll compressor (2) comprises a hermetic enclosure (3) comprising a midshell (4), an upper cap (5) and a baseplate (6), the baseplate (6) comprising a mounting base (32) having a plate shape and including a central opening (33), and a central cap (28) arranged within the central opening (33), the central cap (28) comprising a concave portion (29) and a first cylindrical rim portion (30) extending upwardly and having an outer diameter substantially corresponding to an inner diameter of the midshell (4); a compression unit (11) configured to compress refrigerant; and an electric motor (21) configured to drive the compression unit (11) via a drive shaft (19). The mounting base (32) comprises a second cylindrical rim portion (34) extending upwardly and surrounding the central opening (33), wherein an inner diameter of the second cylindrical rim portion (34) substantially corresponds to the inner diameter of the midshell (4) and to an outer diameter of the first cylindrical rim portion (30).

9. 发明申请

US20170241420A1 A SCROLL COMPRESSOR PROVIDED WITH AN ORBITING GUIDING PORTION FOR IMPROVING THE FILING OF THE COMPRESSION CHAMBERS 审中-公开
公开(公告)号：US20170241420A1
公开(公告)日：2017-08-24
申请号：US15521635
申请日：2015-09-08
申请人： DANFOSS COMMERCIAL COMPRESSORS S.A.
发明人： Nicolas Nouyrigat , Patrice Bonnefoi , Yves Rosson , Ingrid Claudin , Arnaud Daussin
IPC分类号： F04C29/12 , F04C27/00 , F04C18/02
CPC分类号： F04C29/12 , F04C18/0215 , F04C18/0223 , F04C27/001
摘要： 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.

10. 发明申请

US20170074267A1 A SCROLL COMPRESSOR 审中-公开
标题翻译：滚动压缩机
公开(公告)号：US20170074267A1
公开(公告)日：2017-03-16
申请号：US15310572
申请日：2015-01-27
申请人： DANFOSS COMMERCIAL COMPRESSORS
发明人： Yves Rosson , Patrice Bonnefoi , Ingrid Claudin
IPC分类号： F04C29/02 , F04C18/02
CPC分类号： F04C29/023 , F01C21/02 , F04C18/0215 , F04C18/0223 , F04C29/028 , F04C2240/50 , F04C2240/56 , F04C2240/603
摘要： 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).
摘要翻译：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）。

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