EP3847372A4 - CENTRIFUGAL COMPRESSOR WITHOUT LUBRICATION - Google Patents

CENTRIFUGAL COMPRESSOR WITHOUT LUBRICATION Download PDF

Info

Publication number: EP3847372A4
Authority: EP; European Patent Office
Prior art keywords: lubrication; centrifugal compressor; centrifugal; compressor
Prior art date: 2018-11-19
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19888086.6A

Other languages

German (de)

French (fr)

Other versions

EP3847372A1 (en

Inventor

Esteban José ECHENIQUE

Santiago LABOLLITA

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Smart E LLC

Original Assignee

Smart E LLC

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2018-11-19

Filing date

2019-11-20

Publication date

2022-07-27

2019-11-20 Application filed by Smart E LLC filed Critical Smart E LLC

2021-07-14 Publication of EP3847372A1 publication Critical patent/EP3847372A1/en

2022-07-27 Publication of EP3847372A4 publication Critical patent/EP3847372A4/en

Status Withdrawn legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/041—Axial thrust balancing
- F04D29/0413—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0653—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the motor having a plane air gap, e.g. disc-type
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/058—Bearings magnetic; electromagnetic

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Electromagnetism (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Compressor (AREA)
Applications Or Details Of Rotary Compressors (AREA)
Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Magnetic Bearings And Hydrostatic Bearings (AREA)

EP19888086.6A 2018-11-19 2019-11-20 CENTRIFUGAL COMPRESSOR WITHOUT LUBRICATION Withdrawn EP3847372A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US201862769323P	2018-11-19	2018-11-19
PCT/US2019/062465 WO2020106879A1 (en)	2018-11-19	2019-11-20	Lubrication-free centrifugal compressor

Publications (2)

Publication Number	Publication Date
EP3847372A1 EP3847372A1 (en)	2021-07-14
EP3847372A4 true EP3847372A4 (en)	2022-07-27

Family

ID=70774271

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19888086.6A Withdrawn EP3847372A4 (en)	2018-11-19	2019-11-20	CENTRIFUGAL COMPRESSOR WITHOUT LUBRICATION

Country Status (8)

Country	Link
US (1)	US20220049709A1 (en)
EP (1)	EP3847372A4 (en)
JP (1)	JP2022536225A (en)
CN (1)	CN113383164A (en)
BR (1)	BR112021009442A8 (en)
CA (1)	CA3115111A1 (en)
MX (1)	MX2021002763A (en)
WO (1)	WO2020106879A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20220299033A1 (en) *	2021-03-18	2022-09-22	Gscd Corp.	Gas Seal Column Pump for Elevated Temperature Applications
CN117967600B (en) *	2024-04-01	2024-05-28	佛山市南海九洲普惠风机有限公司	Magnetic suspension centrifugal fan impeller
US20250327457A1 (en) *	2024-04-19	2025-10-23	Garrett Transportation I Inc.	Multi stage compressor

Citations (4)

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Publication number	Priority date	Publication date	Assignee	Title
WO2008108063A1 (en) *	2007-03-01	2008-09-12	Ntn Corporation	Motor-integrated magnetic bearing device
US20090127956A1 (en) *	2005-12-09	2009-05-21	Ntn Corporation	Motor built-in magnetic bearing device
WO2012058069A2 (en) *	2010-10-27	2012-05-03	Dresser-Rand Company	System and method for rapid pressurization of a motor/bearing cooling loop for a hermetically sealed motor/compressor system
US20170146271A1 (en) *	2014-07-31	2017-05-25	Mitsubishi Heavy Industries Thermal Systems, Ltd.	Turbo chiller

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Publication number	Priority date	Publication date	Assignee	Title
IL109967A (en) *	1993-06-15	1997-07-13	Multistack Int Ltd	Compressor
CH694814A5 (en) *	1999-10-05	2005-07-29	Silphenix Gmbh	Magnetic bearing for e.g. turbo molecular pumps, has magnetic flux directed through hollow cylinder, air gap and flux affecting part
NL1018212C2 (en) *	2001-06-05	2002-12-10	Siemens Demag Delaval Turbomac	Compressor unit comprising a centrifugal compressor and an electric motor.
US8183456B1 (en) *	2002-05-23	2012-05-22	Jon Murray Schroeder	Thermoelectric device with make-before-break high frequency converter
JP4349089B2 (en) *	2003-11-10	2009-10-21	株式会社エクォス・リサーチ	Axial gap rotating electric machine
TW200521350A (en) *	2003-12-25	2005-07-01	Delta Electronics Inc	Magnetic bearing system
RU2394172C1 (en) *	2006-03-24	2010-07-10	Сименс Акциенгезелльшафт	Compressor unit and use of coolant
WO2011087824A1 (en) *	2009-12-22	2011-07-21	Kress Motors LLC	Dipolar axial compression permanent magnet motor
WO2012102400A1 (en) *	2011-01-27	2012-08-02	学校法人芝浦工業大学	Stator teeth, stator, rotating armature, and method for controlling rotating armature
CN103427538B (en) *	2013-08-27	2015-10-21	三峡大学	Flywheel battery magnetic suspension supporting arrangement
ITFI20130204A1 (en) *	2013-09-03	2015-03-04	Nuovo Pignone Srl	"FAN-COOLED ELECTRICAL MACHINE WITH AXIAL THRUST COMPENSATION"
US20150104335A1 (en) *	2013-10-15	2015-04-16	Solar Turbines Incorporated	Internal-driven compressor having a powered compressor rotor
CA2983037C (en) *	2015-04-21	2023-05-16	Exonetik Inc.	Magnetorheological fluid clutch apparatus with cylindrical fluid gap
CN204741386U (en) *	2015-06-23	2015-11-04	江西理工大学	Double rotor axial magnetic circuit mechanical variable flux permanent magnet synchronous motor
US10598221B2 (en) *	2016-10-11	2020-03-24	Baker Hughes Oilfield Operations, Llc	Permanent magnet thrust bearing
CN107420321A (en) *	2017-06-30	2017-12-01	华中科技大学	A kind of Permanent magnet axial flux frequency conversion fan

2019
- 2019-11-20 CN CN201980074924.7A patent/CN113383164A/en active Pending
- 2019-11-20 EP EP19888086.6A patent/EP3847372A4/en not_active Withdrawn
- 2019-11-20 WO PCT/US2019/062465 patent/WO2020106879A1/en not_active Ceased
- 2019-11-20 MX MX2021002763A patent/MX2021002763A/en unknown
- 2019-11-20 CA CA3115111A patent/CA3115111A1/en active Pending
- 2019-11-20 US US17/275,106 patent/US20220049709A1/en not_active Abandoned
- 2019-11-20 JP JP2021527079A patent/JP2022536225A/en active Pending
- 2019-11-20 BR BR112021009442A patent/BR112021009442A8/en not_active IP Right Cessation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20090127956A1 (en) *	2005-12-09	2009-05-21	Ntn Corporation	Motor built-in magnetic bearing device
WO2008108063A1 (en) *	2007-03-01	2008-09-12	Ntn Corporation	Motor-integrated magnetic bearing device
WO2012058069A2 (en) *	2010-10-27	2012-05-03	Dresser-Rand Company	System and method for rapid pressurization of a motor/bearing cooling loop for a hermetically sealed motor/compressor system
US20170146271A1 (en) *	2014-07-31	2017-05-25	Mitsubishi Heavy Industries Thermal Systems, Ltd.	Turbo chiller

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020106879A1 *

Also Published As

Publication number	Publication date
BR112021009442A8 (en)	2021-09-08
CN113383164A (en)	2021-09-10
CA3115111A1 (en)	2020-05-28
BR112021009442A2 (en)	2021-08-17
EP3847372A1 (en)	2021-07-14
US20220049709A1 (en)	2022-02-17
MX2021002763A (en)	2021-05-12
WO2020106879A1 (en)	2020-05-28
JP2022536225A (en)	2022-08-15

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Legal Events

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2020-05-30	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2021-06-11	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2021-06-11	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2021-07-14	17P	Request for examination filed	Effective date: 20210408
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2022-02-23	DAV	Request for validation of the european patent (deleted)
2022-02-23	DAX	Request for extension of the european patent (deleted)
2022-06-22	REG	Reference to a national code	Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: F04D0001000000 Ipc: F04D0017100000
2022-07-27	A4	Supplementary search report drawn up and despatched	Effective date: 20220628
2022-07-27	RIC1	Information provided on ipc code assigned before grant	Ipc: F04D 29/058 20060101ALI20220622BHEP Ipc: F04D 25/06 20060101ALI20220622BHEP Ipc: F04D 17/12 20060101ALI20220622BHEP Ipc: F04D 17/10 20060101AFI20220622BHEP
2023-11-24	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2023-12-27	18W	Application withdrawn	Effective date: 20231121