公开(公告)号：EP4426947A1

公开(公告)日：2024-09-11

申请号：EP22813470.6

申请日：2022-11-02

申请人： ZF CV Systems Global GmbH

发明人： REINERS, Arne ,  RICKE, Janik

IPC分类号： F04D17/12 ,  F04D19/02 ,  F04D25/06 ,  F04D29/58 ,  H01M8/04111

CPC分类号： F04D19/02 ,  F04D17/12 ,  F04D25/06 ,  F04D29/5806 ,  F04D29/5813 ,  F04D29/5826 ,  F04D29/5833 ,  H01M2250/2020130101 ,  H01M8/04201 ,  H01M8/04089 ,  H01M8/04029 ,  Y02E60/50

公开(公告)号：EP4421327A2

公开(公告)日：2024-08-28

申请号：EP24186233.3

申请日：2016-07-07

申请人： Nuovo Pignone Tecnologie SrL

发明人： GALLINELLI, Lorenzo ,  PELELLA, Marco

IPC分类号： F04D29/58

CPC分类号： F04D17/12 ,  F04D27/0207 ,  F04D27/0215 ,  F04D29/5826 ,  F05D2270/30320130101 ,  F25J1/0055 ,  F25J1/0291 ,  F25J1/0298 ,  F25J1/0236 ,  F04D27/0223 ,  F05B2270/30320130101 ,  F25J1/0022 ,  F25J1/0052 ,  F25J2280/0220130101 ,  F25J2280/2020130101

摘要： A compressor system (1) is described, comprising:
- at least a first compressor (7) having a suction side (7S) and a delivery side (7D);
- an anti-surge line (23);
- an anti-surge valve (25) arranged along the anti-surge line (23) and controlled for recirculating a gas flow from the delivery side (7D) back to the suction side (7S) of the compressor (7);
- a heat removal arrangement (61; 68; 70) between the anti-surge valve (23) and the suction side (7S) of the compressor (7).

公开(公告)号：EP3837443B1

公开(公告)日：2024-06-12

申请号：EP19755782.0

申请日：2019-08-08

IPC分类号： F04D17/10 ,  F04D17/12 ,  F04D27/00 ,  F25B49/02

CPC分类号： F04D27/001 ,  F04D17/10 ,  F04D17/12 ,  F25B49/02 ,  F25B1/053 ,  F25B2700/19520130101 ,  F25B2700/19720130101 ,  F25B2700/15120130101

公开(公告)号：EP3467322A1

公开(公告)日：2019-04-10

申请号：EP17806217.0

申请日：2017-04-20

申请人： Denso Corporation

发明人： KAMIYA, Tomohiro

IPC分类号： F04D29/60 ,  B60H1/00 ,  B60H1/32 ,  F04D17/12 ,  F04D29/42

CPC分类号： B60H1/32 ,  B60H1/00471 ,  B60H1/26 ,  F04D13/06 ,  F04D17/12 ,  F04D29/42 ,  F04D29/4246 ,  F04D29/60 ,  F04D29/62

摘要： In a method of manufacturing a blower unit including an electric motor (169, first and second centrifugal fans (11, 12), a blower casing (10), first and second scroll casings (13, 14), a sealing material (17) that forms a seal between an opening forming portion of the blower casing and the electric motor, a bell mouth portion that guides an air flow to the second centrifugal fan, and a retaining portion that retains the sealing material, the method includes interposing the sealing material between the retaining portion and the electric motor, and attaching the bell mouth portion and the retaining portion to the electric motor, connecting the first and second centrifugal fans to the rotating shaft of the electric motor while the bell mouth portion and the retaining portion are attached to the electric motor, and closing the second opening portion of the blower casing by housing the first and second centrifugal fans in the first and second scroll casings respectively, and attaching the electric motor to the blower casing.

公开(公告)号：EP3244033B1

公开(公告)日：2018-09-26

申请号：EP17167664.6

申请日：2017-04-24

申请人： MAHLE Filter Systems Japan Corporation

发明人： YAMASHITA, Takahisa ,  SIVARAMAN, Vijayakumar ,  IWANO, Haruo

IPC分类号： F01P3/20 ,  F01P7/14 ,  F02B37/04 ,  F02B37/14 ,  F04D27/00 ,  F04D29/28 ,  F04D29/58 ,  F02B33/34 ,  F02B37/013 ,  F02B39/00 ,  F01P3/12 ,  F04D17/12

CPC分类号： F02B37/04 ,  F01P3/20 ,  F01P7/14 ,  F01P2060/12 ,  F02B33/34 ,  F02B37/013 ,  F02B37/14 ,  F02B39/005 ,  F02B39/10 ,  F04D17/12 ,  F04D25/024 ,  F04D25/0606 ,  F04D27/004 ,  F04D29/284 ,  F04D29/5806 ,  F04D29/584 ,  H02K5/04 ,  H02K11/33 ,  H05K5/00 ,  Y02T10/144

摘要： In a two-stage supercharging electric-assist turbocharger, a first compressor wheel, a rotor of an electric motor, a second compressor wheel, and a turbine wheel are coaxially coupled to a same, common shaft member, in that order. A compressor housing is structured to define therein a communicating passage to accommodate the electric motor in the communicating passage. A first water jacket is formed in at least one rib integrally formed with an outer periphery of a motor housing and also serving as a radiating fin, for forced-cooling air flowing through the communicating passage. A second water jacket is formed in a motor housing for forced-cooling a stator of the electric motor. A third water jacket is formed in an intermediate housing constructing a part of the compressor housing for forced-cooling a control unit configured to control the electric motor.

公开(公告)号：EP3368847A1

公开(公告)日：2018-09-05

申请号：EP16730191.0

申请日：2016-06-08

申请人： Praxair Technology Inc.

发明人： ABDELWAHAH, Ahmed, F. ,  DEGENSTEIN, Nick, J. ,  SCHWARZ, Carl, L. ,  CHEN, Reh-lin

IPC分类号： F25J3/04 ,  F04D17/12 ,  F04D25/06 ,  F04D25/16 ,  F04D27/02

CPC分类号： F25J3/04018 ,  F04B37/08 ,  F04B49/06 ,  F04B49/103 ,  F04B49/20 ,  F04C28/14 ,  F04D17/12 ,  F04D27/0246 ,  F04D27/0261 ,  F04D27/0269 ,  F04D29/266 ,  F04D29/462 ,  F04D29/668 ,  F05D2260/311 ,  F25J3/04024 ,  F25J3/0409 ,  F25J3/04133 ,  F25J3/0429 ,  F25J3/04296 ,  F25J3/04303 ,  F25J3/04412 ,  F25J3/04678 ,  F25J3/04781 ,  F25J3/04884 ,  F25J3/04957 ,  F25J2230/20 ,  F25J2230/24 ,  F25J2230/40 ,  F25J2250/02

摘要： A method for controlling the compression of an incoming feed air stream to a cryogenic air separation plant using at least two variable speed compressor drive assemblies controlled in tandem is provided. The first variable speed driver assembly drives at least one compression stage in the lower pressure compressor unit driven while the second variable speed driver assembly drives higher pressure compression stage disposed either in the common air compression train or the split functional compression train of the air separation plant. The first and second variable speed driver assemblies are preferably high speed, variable speed electric motor assemblies each having a motor body, a motor housing, and a motor shaft with one or more impellers directly and rigidly coupled to the motor shaft via a sacrificial rigid shaft coupling.

公开(公告)号：EP3361104A1

公开(公告)日：2018-08-15

申请号：EP18156631.6

申请日：2018-02-14

申请人： Danfoss A/S

发明人： SUN, Lin

IPC分类号： F04D29/58 ,  F04D17/12 ,  F04D25/06 ,  F04D27/02 ,  F04D29/058 ,  F25B31/00

CPC分类号： F04D17/122 ,  F04D17/12 ,  F04D25/06 ,  F04D27/0276 ,  F04D29/057 ,  F04D29/058 ,  F04D29/4206 ,  F04D29/5806 ,  F04D29/5826 ,  F25B31/006 ,  F25B49/022 ,  F25B2400/13

摘要： A compressor operates within a system having a cooling capacity below 60 tons. The compressor includes a hermetically sealed housing and a drive module and aero module within the housing. The drive module includes a motor, a rotor, and oil free bearings. The aero module has a centrifugal impeller driven by the drive module to compress a working fluid. The compressor is arranged such that the working fluid flows through the drive module before reaching the aero module.

公开(公告)号：EP3208471A4

公开(公告)日：2018-05-30

申请号：EP14903991

申请日：2014-12-26

申请人： GREE ELECTRIC APPLIANCES INC ZHUHAI

发明人： LIU JIANFEI ,  ZHANG ZHIPING ,  ZHONG RUIXING ,  JIANG NAN ,  JIANG CAIYUN ,  XIE RONG ,  CHEN YUHUI ,  HUANG BAOQIAN

IPC分类号： F04D29/44 ,  F04D17/12

CPC分类号： F04D29/628 ,  F04B39/066 ,  F04B41/06 ,  F04D17/12 ,  F04D25/16 ,  F04D29/44 ,  F25B31/00 ,  F25B31/006 ,  F25B31/02 ,  F25B41/00 ,  F25B41/04

摘要： The present application discloses a volute structure, a centrifugal compressor and a refrigeration device. The volute structure comprises: a cabinet (8), a volute casing (1) and a backflow device (5); the volute casing (1) comprises an inner volute and an outer volute separately provided, a fluid flow passage being formed between the inner volute and outer volute, and the inner volute and backflow device (5) being disposed together. The present application increases the length of the first-stage diffuser, improving the diffusion effect of air entering the first-stage diffuser and thus enhancing the unit performance of the centrifugal compressor.

公开(公告)号：EP3278038A1

公开(公告)日：2018-02-07

申请号：EP16715729.6

申请日：2016-03-30

申请人： Carrier Corporation

发明人： JONSSON, Ulf J. ,  DARDAS, Zissis A. ,  SISHTLA, Vishnu M. ,  GOBERMAN, Daniel G. ,  CHAUDHRY, Zaffir A. ,  TANG, Xia ,  OPALKA, Susanne M.

IPC分类号： F25B1/053 ,  F25B31/00 ,  F04D29/06 ,  F25B1/10 ,  F25B25/00

CPC分类号： F25B31/002 ,  C09K5/044 ,  C09K5/045 ,  C09K2205/126 ,  C09K2205/24 ,  C10M105/38 ,  C10M171/008 ,  C10M2203/065 ,  C10M2203/1006 ,  C10M2205/0285 ,  C10M2207/2835 ,  C10M2209/043 ,  C10M2209/1033 ,  C10N2220/301 ,  C10N2220/302 ,  C10N2230/06 ,  C10N2240/30 ,  F04D17/10 ,  F04D17/12 ,  F04D25/06 ,  F04D29/059 ,  F04D29/063 ,  F25B1/053 ,  F25B1/10 ,  F25B25/005 ,  F25B31/008 ,  F25B2339/047 ,  F25B2400/13

摘要： A vapor compression system (20) has: a centrifugal compressor (22) having an inlet (40) and an outlet (42); and an electric motor (28) having a stator (30) and a rotor (32). A plurality of bearings (36) support the rotor. A refrigerant charge comprises a base refrigerant and one or more oils. The one or more oils are present at a total concentration of 80-5000 parts per million (ppm) by weight.

公开(公告)号：EP3140504A4

公开(公告)日：2018-01-10

申请号：EP14898207

申请日：2014-07-24

申请人： HALLIBURTON ENERGY SERVICES INC

发明人： ZHENG DEZHI

IPC分类号： E21B43/12 ,  F04B47/06

CPC分类号： F04D29/086 ,  E21B43/128 ,  F04B47/06 ,  F04D1/06 ,  F04D13/086 ,  F04D17/12 ,  F04D25/0686 ,  F04D29/083 ,  F04D29/22 ,  F04D29/284 ,  F04D29/4206 ,  F04D29/426 ,  F04D29/441 ,  F04D29/445

摘要： In accordance with embodiments of the present disclosure, a electrical submersible pump includes a pump housing, a shaft extending at least partially through the pump housing and adapted to be driven by a submersible motor, an impeller attached to the shaft and having an impeller passage for fluid to flow therethrough, and a diffuser that is stationary relative to the pump housing and having a diffuser passage, wherein the diffuser is disposed corresponding to the impeller to form a pump stage such that fluid can flow between the impeller passage and the diffuser passage. The electrical submersible pump also includes a labyrinth seal formed between the impeller and the diffuser, wherein the labyrinth seal selectively seals the impeller passage from a cavity formed between the impeller and the diffuser to maintain the impeller in a floating condition relative to the diffuser.