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公开(公告)号：US12066025B2
公开(公告)日：2024-08-20
申请号：US17959573
申请日：2022-10-04
Applicant: Danfoss Commercial Compressors
Inventor： Remi Bou Dargham , Alain Laville , Arnaud Daussin , Jean-Jacques Laissus
CPC classification number: F04C29/068 , F04C18/0215 , F04C29/065 , F04C23/008
Abstract: The scroll compressor includes a compressor shell having a discharge outlet; an orbiting scroll; a fixed scroll including a discharge passage (16); a discharge pressure volume (17) at least partially defined by the compressor shell and the fixed scroll (7); a discharge muffler arrangement (21) attached to the fixed scroll (7) and arranged in the discharge pressure volume (17), the discharge muffler arrangement (21) including a first tubular element (28) provided with a muffler inlet (29) fluidly connected to the discharge passage (16), an expansion chamber (33) fluidly connected to an inner volume of the first tubular element (28), and a second tubular element (35) including an inlet opening emerging in the expansion chamber (33) and an outlet opening fluidly connected to the discharge pressure volume (17).
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公开(公告)号：US12018685B2
公开(公告)日：2024-06-25
申请号：US17690533
申请日：2022-03-09
Applicant: Danfoss Commercial Compressors
Inventor： Patrice Bonnefoi
CPC classification number: F04C18/0215 , F04C23/008 , F04C29/00 , F04C29/02 , F04C29/025 , F04C2240/30 , F04C2240/40 , F04C2240/50 , F04C2240/60 , F04C2240/80
Abstract: The scroll compressor includes a compression unit; a drive shaft which is vertically orientated; a lower bearing arrangement (28) configured to rotatably support the drive shaft; and an oil pump (29) arranged at a lower end of the drive shaft and configured to deliver oil to the compression unit and to the lower bearing arrangement (28). The lower bearing arrangement (28) comprises a radial bearing housing (34) including an inner radial bearing surface (37) surrounding the lower end portion of the drive shaft; upper and lower axial thrust bearings (43, 44) configured to limit an axial movement of the drive shaft; and a pressurized oil chamber (51) fluidly connected to the oil pump (29), the pressurized oil chamber (51) being at least partially delimited by the outer surface of the lower end portion of the drive shaft, the inner radial bearing surface (37) and the upper and lower axial thrust bearings (43, 44).
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公开(公告)号：US20230167825A1
公开(公告)日：2023-06-01
申请号：US17959573
申请日：2022-10-04
Applicant: Danfoss Commercial Compressors
Inventor： Remi Bou Dargham , Alain Laville , Arnaud Daussin , Jean-Jacques Laissus
CPC classification number: F04C29/065 , F04C18/0215
Abstract: The scroll compressor includes a compressor shell having a discharge outlet; an orbiting scroll; a fixed scroll including a discharge passage (16); a discharge pressure volume (17) at least partially defined by the compressor shell and the fixed scroll (7); a discharge muffler arrangement (21) attached to the fixed scroll (7) and arranged in the discharge pressure volume (17), the discharge muffler arrangement (21) including a first tubular element (28) provided with a muffler inlet (29) fluidly connected to the discharge passage (16), an expansion chamber (33) fluidly connected to an inner volume of the first tubular element (28), and a second tubular element (35) including an inlet opening emerging in the expansion chamber (33) and an outlet opening fluidly connected to the discharge pressure volume (17).
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公开(公告)号：US20220397109A1
公开(公告)日：2022-12-15
申请号：US17831822
申请日：2022-06-03
Applicant: Danfoss Commercial Compressors
Inventor： Clement Martignago , Alain Picavet , Alexis Delorme
Abstract: The discharge valve arrangement (17) includes a valve plate (18) including a discharge passage (22) and a valve seat (23) surrounding the discharge passage (22); a valve housing (24) being secured to the valve plate (18) and including a bottom portion (25) facing away from the valve plate (18), a sidewall (26) extending from the bottom portion (25) and towards the valve plate (18), and a discharge opening (28) formed in the sidewall (26); a valve member (31) displaceable between a closed position in which the valve member (31) closes the discharge passage (22) and an open position in which the valve member (31) opens the discharge passage (22). The valve housing (24) includes a gas damping chamber defined by the bottom portion (25) and the sidewall (26) and being configured to accommodate the valve member (31) in the open position; and an exhaust opening (37) formed in the bottom portion (25) and emerging in the gas damping chamber.
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公开(公告)号：US20190383286A1
公开(公告)日：2019-12-19
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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Patent Agency Ranking
26.发明申请公开(公告)号：US20190323502A1
公开(公告)日：2019-10-24
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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公开(公告)号：US20180216616A1
公开(公告)日：2018-08-02
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：US20160108917A1
公开(公告)日：2016-04-21
申请号：US14890216
申请日：2014-05-21
Applicant: DANFOSS COMMERCIAL COMPRESSORS
Inventor： Patrice Bonnefoi , Yves Rosson , Ingrid Claudin
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).
Abstract translation: 该涡旋式压缩机（2）包括第一固定涡旋盘（4），绕动涡旋装置（7），适于在轨道运动中驱动绕动涡旋装置（7）的驱动轴（18），驱动单元 驱动轴（18）并布置成围绕旋转轴线旋转驱动轴（18），以及用于引导驱动轴（18）旋转的引导元件，所述引导元件至少包括第一引导轴承（29）和 布置成分别引导驱动轴（18）的第一部分（26）和第二部分（27）的第二导向轴承（30）。 驱动轴（18）跨越绕动涡旋装置（7）延伸，使得驱动轴（18）的第一和第二部分（26,27）位于绕动涡旋装置（7）的任一侧，第一 和位于所述绕动涡旋装置（7）的任一侧上的第二导向轴承（29,30）。
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公开(公告)号：US09169841B2
公开(公告)日：2015-10-27
申请号：US14138503
申请日：2013-12-23
Applicant: DANFOSS COMMERCIAL COMPRESSORS
Inventor： Patrice Bonnefoi , Yves Rosson , Ingrid Claudin
CPC classification number: F04C29/0057 , F04C18/0207 , F04C18/0215 , F04C29/0021
Abstract: This scroll compressor includes a first fixed scroll member, an orbiting scroll arrangement including a first orbiting scroll member, 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, a fixed element opposite to the first fixed scroll member with respect to the orbiting scroll arrangement, and a second Oldham coupling provided between the orbiting scroll arrangement and the fixed element and configured to prevent rotation of the orbiting scroll arrangement with respect to the fixed element. The first Oldham coupling is slidable with respect to the first fixed scroll member along a first displacement direction, and the second Oldham coupling is slidable with respect to the fixed element along a second displacement direction transverse to the first displacement direction.
Abstract translation: 该涡旋压缩机包括第一固定涡旋构件，包括第一绕动涡旋构件的绕动涡旋构件，设置在第一绕动涡旋构件和第一固定涡旋构件之间的第一十字联轴器，并且构造成防止第一绕动涡旋构件与第 相对于第一固定涡旋构件，相对于绕动涡旋装置与第一固定涡旋构件相对的固定元件，以及设置在绕动涡旋装置和固定元件之间的第二十字联轴器，并且构造成防止绕动涡盘 相对于固定元件的布置。 第一十字联轴节可沿着第一位移方向相对于第一固定涡旋构件滑动，并且第二十字联轴节可沿着横向于第一位移方向的第二位移方向相对于固定元件滑动。
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公开(公告)号：US20130136642A1
公开(公告)日：2013-05-30
申请号：US13690833
申请日：2012-11-30
Applicant: DANFOSS COMMERCIAL COMPRESSORS
Inventor： Pierre GINIES , Dominique GROSS , Christophe ANCEL , Yves ROSSON , Philippe DUGAST
IPC: F04C29/12
CPC classification number: F04C29/124 , F04C18/0207 , F04C23/008 , F04C29/126
Abstract: The scroll refrigeration compressor according to the invention includes a sealed enclosure at least partially defining a discharge chamber designed to be connected to a discharge line, and a discharge valve attached on the sealed enclosure and fluidly connected to the discharge chamber. The discharge valve includes a valve body, a valve seat, and a discharge check valve movable between a covering position and a released position. The discharge valve includes deflection means positioned in the valve body and arranged to orient the flow of refrigerant coming from the discharge line at least partially toward the periphery of the discharge check valve.
Abstract translation: 根据本发明的涡旋式制冷压缩机包括至少部分地限定设计成连接到排出管线的排放室的密封外壳和附接在密封外壳上并且流体连接到排出室的排放阀。 排出阀包括阀体，阀座和可在覆盖位置和释放位置之间移动的排出止回阀。 排放阀包括定位在阀体中的偏转装置，其布置成使来自排出管线的制冷剂的流动至少部分地朝向排放止回阀的周边。
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