公开(公告)号：US20140140866A1

公开(公告)日：2014-05-22

申请号：US14084093

申请日：2013-11-19

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： Jean Michel PFISTER ,  Zhou XUEYOU ,  Patrice BONNEFOI ,  Gael MELDENER

IPC: F04C29/00 ,  F04C18/02

CPC classification number: F04C29/0071 ,  F04C14/06 ,  F04C15/008 ,  F04C18/0207 ,  F04C23/02 ,  F04C28/06 ,  F04C29/0085 ,  F04C2240/60

Abstract: This refrigeration compressor includes an electric motor having a stator and a rotor provided with an axial through passage, a compression unit adapted for compressing refrigerant, and a drive shaft adapted for driving the compression unit, the drive shaft extending into the axial through passage of the rotor. The rotor is slide-fitted on the drive shaft.

Abstract translation: 这种制冷压缩机包括具有定子和转子的电动机，该转子设置有轴向通路，适于压缩制冷剂的压缩单元和适于驱动压缩单元的驱动轴，驱动轴延伸到轴向通过 转子。 转子滑动安装在驱动轴上。

公开(公告)号：US20130098100A1

公开(公告)日：2013-04-25

申请号：US13657485

申请日：2012-10-22

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： Patrice BONNEFOI ,  Philippe DUGAST

IPC: F04C29/02 ,  F25B1/00 ,  F04C23/02 ,  F25B41/00

CPC classification number: F25B31/002 ,  F01C1/0215 ,  F01C21/001 ,  F01C21/002 ,  F04B39/023 ,  F04B39/0238 ,  F04C18/02 ,  F04C18/0215 ,  F04C23/008 ,  F04C29/028 ,  F04C29/042 ,  F04C2240/603 ,  F04C2240/809 ,  F25B31/004

Abstract: The refrigeration compressor according to the invention includes a sealed enclosure containing a compression stage and provided with a refrigerant inlet and outlet, the compressor being configured such that under usage conditions, a flow of refrigerant circulates through the refrigerant inlet, the compression stage, and the refrigerant outlet. The compressor has an oil pan and oil recirculation means arranged to orient the oil contained in the oil pan into the flow of refrigerant when the oil in the oil pan exceeds a predetermined oil level. The recirculation means include a recirculation line housed in the sealed enclosure and including an inlet port situated at a height substantially corresponding to the predetermined oil level, an outlet port emerging in the refrigerant flow, and an intermediate part connecting the inlet and outlet ports. The intermediate part includes a first portion extending below the predetermined oil level.

Abstract translation: 根据本发明的制冷压缩机包括一个包含压缩级并设置有制冷剂入口和出口的密封外壳，该压缩机构造成使用在使用条件下，制冷剂流通过制冷剂入口，压缩级和 制冷剂出口。 压缩机具有油盘和油再循环装置，其布置成当油底壳中的油超过预定油位时将包含在油盘中的油定向到制冷剂流中。 再循环装置包括容纳在密封外壳中的再循环管线，并且包括位于基本对应于预定油位的高度的入口端口，出现在制冷剂流中的出口端口以及连接入口和出口端口的中间部件。 中间部分包括延伸到预定油位以下的第一部分。

公开(公告)号：US20250052240A1

公开(公告)日：2025-02-13

申请号：US18928944

申请日：2024-10-28

Applicant: Danfoss Commercial Compressors

Inventor： Patrice BONNEFOI ,  Wanzhen LIU ,  David GENEVOIS ,  Jean Francois HEITZ

IPC: F04C18/02 ,  F04C23/00 ,  F04C23/02 ,  F04C28/28 ,  F04C29/02 ,  F04C29/04

Abstract: A scroll compressor (2) includes a sealed housing (3); a compression unit (11), having a fixed scroll (12) and an orbiting scroll (13); a drive shaft (18) configured to drive the orbiting scroll (13) to move orbitally, the drive shaft (18) being capable of rotating about an axis of rotation; a synchronous reluctance motor (15) configured to drive the drive shaft (18) to rotate about the axis of rotation, the synchronous reluctance motor (15) comprising a rotor (16) coupled to the drive shaft (18) and a stator (17) disposed around the rotor (16), and the rotor (16) including a ferrite permanent magnet (23); a compressor control apparatus (31) configured to control the scroll compressor (2) to operate; a lubricating oil tank (27), formed in a bottom portion of the sealed housing (3); a heating apparatus configured to heat lubricating oil stored in the lubricating oil tank (27); and an oil temperature sensor (28) disposed in the lubricating oil tank (27).

公开(公告)号：US20130136622A1

公开(公告)日：2013-05-30

申请号：US13690731

申请日：2012-11-30

Applicant: Danfoss Commercial Compressors

Inventor： Jean DE BERNARDI ,  Patrice BONNEFOI ,  Xavier DURAND ,  Fabien GALL ,  Jean-Francois LE COAT

IPC: F04D29/063

CPC classification number: F04D29/063 ,  F04B39/0207 ,  F04B39/0238 ,  F04B41/06 ,  F04B49/02 ,  F04C23/001 ,  F04C23/008 ,  F04C28/02 ,  F04C28/06 ,  F04C29/021 ,  F04C2270/24 ,  F25B31/004 ,  F25B2400/075 ,  F25B2600/0253 ,  F25B2700/03 ,  Y02B30/741

Abstract: A compression device includes a first compressor and a second compressor mounted in parallel, each compressor including a leakproof enclosure including a low pressure portion containing a motor and an oil sump, an oil level equalization conduit putting into communication the oil sumps of the first and second compressors, and control means adapted for controlling the starting and the stopping of the first and second compressors. The first compressor includes first detection means coupled with the control means and adapted for detecting an oil level in the oil sump of the first compressor. The control means are adapted for controlling the stopping of the second compressor when the oil level detected by the first detection means falls below a first predetermined value.

Abstract translation: 压缩装置包括并联安装的第一压缩机和第二压缩机，每个压缩机包括防漏外壳，其包括含有电动机和油底壳的低压部分，将油位平衡导管与第一和第二压缩机 压缩机和适于控制第一和第二压缩机的启动和停止的控制装置。 第一压缩机包括与控制装置联接并适于检测第一压缩机的油底壳中的油位的第一检测装置。 当第一检测装置检测到的油位低于第一预定值时，控制装置适于控制第二压缩机的停止。

公开(公告)号：US20230314048A1

公开(公告)日：2023-10-05

申请号：US18182764

申请日：2023-03-13

Applicant: Danfoss Commercial Compressors

Inventor： Thierry Legay ,  Patrice BONNEFOI

IPC: F25B7/00 ,  F04C2/02 ,  F04C11/00

CPC classification number: F25B7/00 ,  F04C2/025 ,  F04C11/001

Abstract: The multi-compressor system (7) has a plurality of parallelly coupled compressors (8); inlet connection lines (15) each connected to a refrigerant suction fitting of a respective compressor (8); outlet connection lines (17) each connected to a refrigerant discharge fitting of a respective compressor (8); a common oil balancing line (18) and balancing connection lines (19) each connecting the common oil balancing line (18) to an oil balancing connection (21) of a respective compressor (8); and spring-loaded normally-open valves (25) each being arranged within a respective balancing connection line (19) or within an oil balancing connection (21) of a respective compressor (8) and each being configured to close when a pressure difference between a pressure prevailing in the low pressure volume of the respective compressor (8) and a pressure prevailing in the common oil balancing line (18) reaches a predetermined value.

公开(公告)号：US20140178228A1

公开(公告)日：2014-06-26

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：US20140140867A1

公开(公告)日：2014-05-22

申请号：US14084152

申请日：2013-11-19

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： Patrice BONNEFOI ,  Gael MELDENER

IPC: F04C29/04 ,  F04C18/02

CPC classification number: F04C29/045 ,  F04C18/0207 ,  F04C18/0215 ,  F04C29/0078 ,  F04C2240/40

Abstract: This variable speed scroll compressor includes a closed casing including a low pressure volume and a high pressure volume, and an electric motor arranged in the low pressure volume and including a rotor and a stator, the rotor including permanent magnets, the stator including a stator core provided with a plurality of radially extending tooth portions and with a plurality of slots formed between the radially extending tooth portions, and stator windings each wound on the radially extending tooth portions. Each stator winding is wound around a respective tooth portion and includes winding portions extending respectively in the slots formed on each side of the respective tooth portion.

Abstract translation: 该变速涡旋式压缩机包括：包括低压容积和高压容积的封闭壳体，以及布置在低压容积中并包括转子和定子的电动机，所述转子包括永磁体，所述定子包括定子芯 设置有多个径向延伸的齿部，并且在径向延伸的齿部之间形成有多个槽，以及每个缠绕在径向延伸的齿部上的定子绕组。 每个定子绕组缠绕在相应的齿部分上，并且包括分别延伸在形成在相应齿部的每一侧上的槽中的卷绕部分。

公开(公告)号：US20250052242A1

公开(公告)日：2025-02-13

申请号：US18720744

申请日：2022-12-08

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： Patrice BONNEFOI ,  Florent BERGEON ,  Gabriel STREDA ,  Brian ANGEL ,  Gang YAO ,  Qian HU

IPC: F04C23/00 ,  F04C29/02

Abstract: A scroll compressor including a hermetic casing provided with a suction inlet; a compression unit; a drive shaft configured to drive an orbiting scroll of the compression unit in an orbital movement; an electric motor coupled to the drive shaft; an oil sump; a refrigerant guiding device configured to force a main part of a refrigerant, entering the scroll compressor through the suction inlet, to flow downwardly through the electric motor, before reaching the compression unit; and an oil sump fairing arranged between a lower end of the electric motor and a free surface of oil stored in the oil sump, the oil sump fairing being configured to prevent a refrigerant flow, emerging from the lower end of the electric motor, to directly impact the free surface of the oil stored in the oil sump.

公开(公告)号：US20250003661A1

公开(公告)日：2025-01-02

申请号：US18753330

申请日：2024-06-25

Applicant: Danfoss Commercial Compressors

Inventor： Patrice BONNEFOI ,  Yves ROSSON ,  Gabriel STREDA ,  Alexis DELORME ,  Jean-Jacques LAISSUS

IPC: F25B49/02 ,  F25B31/00 ,  F25B41/20

Abstract: A method for managing oil in a running multi-compressor refrigeration system including a controller and a multi-compressor device, includes monitoring an oil level in the oil sump of each compressor through the respective oil level detection device; detecting that a lack of oil situation occurs in a running compressor, if the oil level in said running compressor reaches a predetermined threshold condition; performing an oil managing action if a lack of oil situation is detected for a running compressor, the oil managing action being based on a changing of ON/OFF configurations of the compressors in the multi-compressor device and including performing an oil balancing action, if more than a half of the total number of compressors are running, or performing an oil returning action, if a half or less of the total number of compressors are running.

公开(公告)号：US20140178229A1

公开(公告)日：2014-06-26

申请号：US14138503

申请日：2013-12-23

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： Patrice BONNEFOI ,  Yves ROSSON ,  Ingrid CLAUDIN

IPC: F04C29/00 ,  F04C18/02

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。