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    A SCROLL COMPRESSOR INCLUDING A FIRST AND A SECOND AXIAL STABILIZING ARRANGEMENT
    72.
    发明申请
    A SCROLL COMPRESSOR INCLUDING A FIRST AND A SECOND AXIAL STABILIZING ARRANGEMENT 审中-公开

    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).

    A SCROLL COMPRESSOR INCLUDING A BASEPLATE HAVING A MOUNTING BASE AND A CYLINDRICAL RIM SECURED BY A DOUBLE-WELDED T-JOINT
    73.
    发明申请
    A SCROLL COMPRESSOR INCLUDING A BASEPLATE HAVING A MOUNTING BASE AND A CYLINDRICAL RIM SECURED BY A DOUBLE-WELDED T-JOINT 审中-公开

    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).

    A CENTRIFUGAL TURBO-COMPRESSOR
    74.
    发明申请
    A CENTRIFUGAL TURBO-COMPRESSOR 审中-公开

    公开(公告)号：WO2018162667A1

    公开(公告)日：2018-09-13

    申请号：PCT/EP2018/055816

    申请日：2018-03-08

    Applicant: ROBERT BOSCH GMBH ,  DANFOSS COMMERCIAL COMPRESSORS

    Inventor： BONNEFOI, Patrice ,  MARTIGNAGO, Clement ,  ROSSON, Yves ,  VANDESTEENE, Stan

    IPC: F04D17/12 ,  F04D29/051 ,  F04D29/10 ,  F04D29/62

    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).

    A CENTRIFUGAL COMPRESSOR HAVING A INTER-STAGE SEALING ARRANGEMENT
    75.
    发明申请
    A CENTRIFUGAL COMPRESSOR HAVING A INTER-STAGE SEALING ARRANGEMENT 审中-公开
    具有阶段间密封装置的离心式压缩机

    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。

    A SCROLL COMPRESSOR INCLUDING AN OLDHAM COUPLING LUBRIFICATION SYSTEM
    76.
    发明申请
    A SCROLL COMPRESSOR INCLUDING AN OLDHAM COUPLING LUBRIFICATION SYSTEM 审中-公开
    包括OLDHAM联轴器润滑系统的滚动压缩机

    公开(公告)号：WO2016074817A1

    公开(公告)日：2016-05-19

    申请号：PCT/EP2015/070468

    申请日：2015-09-08

    Applicant: DANFOSS COMMERCIAL COMPRESSORS

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

    IPC: F04C29/02 ,  F04C18/02

    CPC classification number: F04C18/0223 ,  F04C18/0215 ,  F04C29/021

    Abstract: A scroll compressor including an Oldham coupling lubrication system The scroll compressor (1) includes a first fixed scroll (4), an orbiting scroll arrangement (7), a first Oldham coupling (51) configured to prevent rotation of the orbiting scroll arrangement (7) with respect to the first fixed scroll (4) and including at least a pair of first engaging elements (54) respectively slidably engaged with a pair of complementary engaging elements (56) provided on the first fixed scroll (4), an oil sump, and a lubrication system configured to lubricate at least partially the first engaging elements (54) of the first Oldham coupling (51) with oil supplied from the oil sump.

    Abstract translation: 一种涡旋式压缩机，包括十字联轴器润滑系统涡旋式压缩机（1）包括第一固定涡旋件（4），绕动涡旋装置（7），第一十字联轴器（51），其构造成防止绕动涡旋装置 ）相对于第一固定涡旋盘（4）并且包括至少一对第一接合元件（54），其分别与设置在第一固定涡旋盘（4）上的一对互补接合元件（56）可滑动地接合，油槽 以及润滑系统，其被配置为至少部分地润滑第一十字联轴节（51）的第一接合元件（54），该油从油底壳供应的油。

    AGENCEMENT DE CLAPET POUR COMPRESSEUR FRIGORIFIQUE À SPIRALES
    77.
    发明申请
    AGENCEMENT DE CLAPET POUR COMPRESSEUR FRIGORIFIQUE À SPIRALES 审中-公开

    公开(公告)号：WO2011151553A3

    公开(公告)日：2011-12-08

    申请号：PCT/FR2011/051084

    申请日：2011-05-16

    Applicant: DANFOSS COMMERCIAL COMPRESSORS ,  GINIES, Pierre ,  ANCEL, Christophe

    Inventor： GINIES, Pierre ,  ANCEL, Christophe

    IPC: F04C29/12 ,  F04C28/16

    Abstract: Cet agencement de clapet comprend une plaque à clapet (26) comprenant une ouverture de refoulement (27) destinée à permettre un écoulement de fluide provenant d'un conduit de refoulement ménagé dans une volute du compresseur, et un siège de clapet (28) ménagé sur une première face de la plaque à clapet, un clapet de refoulement (29) mobile entre une position d'obturation de l'ouverture de refoulement (27), et une position de libération de ladite ouverture, des moyens de retenue(30) agencés pour limiter l'amplitude de mouvement du clapet de refoulement (29). L'agencement comprend en outre au moins un clapet de dérivation (39) disposé de manière adjacente à une seconde face de la plaque à clapet (26), le clapet de dérivation (39)étant mobile entre une position d'obturation d'un canal de dérivation (34) ménagé dans le plateau de ladite volute, et une position de libération dudit canal de dérivation, et des moyens de retenue disposés sur la seconde face de la plaque à clapet (26) et agencés pour limiter l'amplitude de mouvement du clapet de dérivation.

    COMPRESSEUR FRIGORIFIQUE À SPIRALES
    78.
    发明申请
    COMPRESSEUR FRIGORIFIQUE À SPIRALES 审中-公开

    公开(公告)号：WO2010070227A3

    公开(公告)日：2010-06-24

    申请号：PCT/FR2009/052515

    申请日：2009-12-14

    Applicant: DANFOSS COMMERCIAL COMPRESSORS ,  ANCEL, Christophe ,  GINIES, Pierre ,  CLEMENT, Pierre Emilien

    Inventor： ANCEL, Christophe ,  GINIES, Pierre ,  CLEMENT, Pierre Emilien

    IPC: F04C18/02

    Abstract: Ce compresseur comprend des première et seconde volutes (8, 11 ) décrivant un mouvement relatif orbital et comportant chacune un plateau (9, 12) à partir duquel s'étend une spirale (10, 13), les deux spirales étant engagées l 'u ne dans l 'autre et délimitant des paires de chambres de compression (14) de volume variable. Le compresseur comporte un logement (25) ménagé dans la surface du plateau (9) de la première volute tournée vers les spirales (10, 13), le logement (25) débouchant dans l'une des chambres de compression (14), des moyens de refoulement (33) de fluide frigorigène débouchant dans le logement (25), et un dispositif antiretour (26) monté dans le logement (25), le dispositif antiretour empêchant la mise en communication des moyens de refoulement avec la chambre de compression dans laquelle débouche le logement (25) dans une première position de fermeture, et permettant la mise en communication des moyens de refoulement avec ladite chambre de compression dans une seconde position d'ouverture.

    VARIABLE SPEED COOLING COMPRESSOR WITH SPIRALS
    79.
    发明申请
    VARIABLE SPEED COOLING COMPRESSOR WITH SPIRALS 审中-公开
    可变速度冷却压缩机与螺旋

    公开(公告)号：WO2008152280A3

    公开(公告)日：2009-09-24

    申请号：PCT/FR2008050891

    申请日：2008-05-23

    Applicant: DANFOSS COMMERCIAL COMPRESSORS ,  BODART JEAN-PAUL ,  ROSSON YVES

    Inventor： BODART JEAN-PAUL ,  ROSSON YVES

    IPC: F04C29/02 ,  F04C18/02

    CPC classification number: F04C29/021 ,  F04C18/0215

    Abstract: The compressor of the invention includes a sealed housing defining a suction volume and a compression volume respectively provided on either side of a body (5) contained in the housing, an oil injection circuit supplied with oil from an oil contained in a casing (22) and adapted for injecting oil into the compression volume, the oil injection circuit comprising an electrovalve (25) including a body (26) attached to the wall of the sealed housing and a core (34) movable under the action of a magnetic fluid between a closing position for injecting oil into the compression volume and an opening position preventing or limiting the injection of oil into the compression volume. The compressor includes a control means for moving the core (34) of the electrovalve between the opening and closing positions based on the compressor speed and/or on the cooling gas discharge temperature.

    Abstract translation: 本发明的压缩机包括密封壳体，其限定分别设置在容纳在壳体中的主体（5）的任一侧上的吸入容积和压缩体积，从包含在壳体（22）中的油供给油的注油回路， 并且适于将油注入到压缩容积中，所述注油回路包括电阀（25），所述电阀包括安装在所述密封壳体的壁上的主体（26）和在所述密封壳体的磁性流体的作用下可移动的芯体（34） 关闭位置，用于将油注入到压缩容积中，以及打开位置，防止或限制将油注入压缩体积。 压缩机包括控制装置，用于基于压缩机速度和/或冷却气体排出温度，在打开和关闭位置之间移动电动阀芯（34）。

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