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1.发明授权公开(公告)号：US11519408B2
公开(公告)日：2022-12-06
申请号：US17526190
申请日：2021-11-15
Applicant: Danfoss Commercial Compressors
Inventor： Arnaud Daussin , David Genevois , Remi Bou Dargham
Abstract: The scroll compressor (1) includes a fixed scroll (7); an orbiting scroll (8); a support arrangement (5) including a thrust bearing surface (9) on which is slidably mounted the orbiting scroll (8); a rotation preventing device configured to prevent rotation of the orbiting scroll (8) with respect to the fixed scroll (7), the rotation preventing device including a plurality of orbital discs (28) respectively rotatably mounted in circular receiving cavities (29) provided on the support arrangement (5), each orbital disc (28) being provided with an outer circumferential bearing surface (31) configured to cooperate with an inner circumferential bearing surface (32) provided on the respective circular receiving cavity (29); and a lubrication system configured to lubricate the inner and outer circumferential bearing surfaces (32, 31) with oil supplied from an oil sump (36), the lubrication system including a plurality of oil reservoirs (43) each arranged in a bottom surface of a respective circular receiving cavity, and a plurality of oil stirring arrangements each configured to stir oil contained in a respective oil reservoir (43).
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公开(公告)号：US11225967B2
公开(公告)日：2022-01-18
申请号：US16400541
申请日：2019-05-01
Applicant: Danfoss Commercial Compressors
Inventor： Alain Laville , David Genevois , Julien Lavy
Abstract: The scroll compressor (2) comprises a hermetic enclosure (3) comprising an outer shell (4); a compression unit (11) arranged within the hermetic enclosure (3); an electric motor (21) configured to drive the compression unit (11), the electric motor (21) including a rotor (22) and a stator (23); and an inner shell (26) in which the electric motor (21) is arranged. A baffle (34) is arranged inside the inner shell (26) at a stator end winding (25) of the electric motor (21), the baffle (34) comprising deflecting means configured to deflect at least a part of a main refrigerant flow, flowing inside the inner shell (26), towards said stator end winding (25).
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公开(公告)号：US10890185B2
公开(公告)日：2021-01-12
申请号：US16108693
申请日：2018-08-22
Applicant: Danfoss Commercial Compressors
Inventor： Sebastien Denis , David Genevois , Julien Lavy
Abstract: The scroll compressor comprises a fixed scroll element comprising a fixed end plate (13) and a fixed spiral wrap (14); an orbiting scroll element comprising an orbiting end plate and an orbiting spiral wrap (16), the fixed and orbiting spiral wraps (14, 16) being intermeshed with each other to define pairs of compression pockets, a radial inner pair of compression pockets comprising a direct pocket (17.1) and an indirect pocket (17.2); a central main discharge port (18) formed in the fixed end plate (13) and configured to communicate the direct pocket (17.1) with a discharge pressure volume; and an auxiliary discharge port (26) formed in the fixed end plate (13) at a position close to an outer wall side (14.2) of the fixed spiral wrap (14) and adjacent the inner end (14.4) of the fixed spiral wrap (14). The auxiliary discharge port (26), during orbiting movement of the orbiting scroll element (12), is at least partially uncovered by the orbiting spiral wrap (16) to communicate the indirect pocket (17.2) with the discharge pressure volume.
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公开(公告)号：US10746174B2
公开(公告)日：2020-08-18
申请号：US15852200
申请日：2017-12-22
Applicant: DANFOSS COMMERCIAL COMPRESSORS S.A.
Inventor： Arnaud Daussin , Sebastien Denis , David Genevois , Remi Bou Dargham
Abstract: The scroll compressor (1) includes a fixed scroll (7); an orbiting scroll (8); a drive shaft (16); a support arrangement (5) including a thrust bearing surface (9) on which is slidably mounted the orbiting scroll (8); a rotation preventing device configured to prevent rotation of the orbiting scroll (8) with respect to the fixed scroll (7), the rotation preventing device including orbital discs (28) respectively arranged in circular receiving holes (29) provided on the support arrangement (5), each orbital disc (28) being provided with an outer circumferential bearing surface (31) cooperating with an inner circumferential bearing surface (32) of the respective circular receiving hole (29); and a lubrication system configured to lubricate the inner and outer circumferential bearing surfaces (32, 31) with oil supplied from an oil sump (50), the lubrication system including lubrication passages (41) formed within the support arrangement (5), each lubrication passage (41) including an oil outlet aperture (41.2) emerging in the inner circumferential bearing surface (32) of a respective circular receiving hole (29) and at a predetermined position where low load is applied on the respective orbital disc during rotation of the drive shaft.
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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
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。
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Patent Agency Ranking
公开(公告)号：US10753360B2
公开(公告)日：2020-08-25
申请号：US16071155
申请日：2017-02-15
Applicant: Danfoss Commercial Compressors
Inventor： Remi Bou Dargham , David Genevois , Dominique Gross
Abstract: The scroll compression device includes a first scroll element (11) having a first base plate (13) and a first spiral wrap (14); a second scroll element (12) having a second base plate (15) and a second spiral wrap (16), one of the first and second scroll elements (11, 12) being configured to perform an orbiting movement in relation to the other one of the first and second scroll elements, the first and second scroll elements (11, 12) intermeshing with each other and delimiting compression chambers (17); and a sealing device (28) arranged in an end face (19) of the first spiral wrap (14) and having a sealing surface configured to cooperate with the second base plate (15). The sealing device (28) is configured to allow fluid flow from an upstream compression chamber to a downstream compression chamber through the sealing surface when the pressure in the upstream compression chamber exceeds the pressure in the downstream compression chamber, and the sealing device (28) is configured to prevent fluid flow from a downstream compression chamber to an upstream compression chamber through the sealing surface when the pressure in the downstream compression chamber exceeds the pressure in the upstream compression chamber.
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7.发明申请公开(公告)号：US20190063432A1
公开(公告)日：2019-02-28
申请号：US16108693
申请日：2018-08-22
Applicant: Danfoss Commercial Compressors
Inventor： Sebastien Denis , David Genevois , Julien Lavy
Abstract: The scroll compressor comprises a fixed scroll element comprising a fixed end plate (13) and a fixed spiral wrap (14); an orbiting scroll element comprising an orbiting end plate and an orbiting spiral wrap (16), the fixed and orbiting spiral wraps (14, 16) being intermeshed with each other to define pairs of compression pockets, a radial inner pair of compression pockets comprising a direct pocket (17.1) and an indirect pocket (17.2); a central main discharge port (18) formed in the fixed end plate (13) and configured to communicate the direct pocket (17.1) with a discharge pressure volume; and an auxiliary discharge port (26) formed in the fixed end plate (13) at a position close to an outer wall side (14.2) of the fixed spiral wrap (14) and adjacent the inner end (14.4) of the fixed spiral wrap (14). The auxiliary discharge port (26), during orbiting movement of the orbiting scroll element (12), is at least partially uncovered by the orbiting spiral wrap (16) to communicate the indirect pocket (17.2) with the discharge pressure volume.
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公开(公告)号：US12031538B2
公开(公告)日：2024-07-09
申请号：US17423555
申请日：2020-01-27
Applicant: Danfoss Commercial Compressors
Inventor： David Genevois , Remi Bou Dargham , Cyril Montes , Arnaud Daussin , Dominique Gross
CPC classification number: F04C23/008 , F04C18/0253 , F04C23/02 , F04C2230/231 , F04C2240/30 , F04C2240/809
Abstract: The scroll compressor (2) including 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) including a midshell (4), an upper cap (5) and a baseplate (6), the baseplate (6) including 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).
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公开(公告)号：US11841013B2
公开(公告)日：2023-12-12
申请号：US17771851
申请日：2020-11-02
Applicant: DANFOSS COMMERCIAL COMPRESSORS
Inventor： Remi Bou Dargham , Arnaud Daussin , David Genevois
CPC classification number: F04C18/0215 , F04C18/0284 , F04C23/008
Abstract: The scroll compressor includes a fixed scroll (8) having a 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) having 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).
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10.发明申请公开(公告)号：US20220163036A1
公开(公告)日：2022-05-26
申请号：US17526190
申请日：2021-11-15
Applicant: Danfoss Commercial Compressors
Inventor： Arnaud Daussin , David Genevois , Remi Bou Dargham
Abstract: The scroll compressor (1) includes a fixed scroll (7); an orbiting scroll (8); a support arrangement (5) including a thrust bearing surface (9) on which is slidably mounted the orbiting scroll (8); a rotation preventing device configured to prevent rotation of the orbiting scroll (8) with respect to the fixed scroll (7), the rotation preventing device including a plurality of orbital discs (28) respectively rotatably mounted in circular receiving cavities (29) provided on the support arrangement (5), each orbital disc (28) being provided with an outer circumferential bearing surface (31) configured to cooperate with an inner circumferential bearing surface (32) provided on the respective circular receiving cavity (29); and a lubrication system configured to lubricate the inner and outer circumferential bearing surfaces (32, 31) with oil supplied from an oil sump (36), the lubrication system including a plurality of oil reservoirs (43) each arranged in a bottom surface of a respective circular receiving cavity, and a plurality of oil stirring arrangements each configured to stir oil contained in a respective oil reservoir (43).
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