EP2233749A4 - Pressurizing centrifugal pump - Google Patents

Pressurizing centrifugal pump

Info

Publication number: EP2233749A4
Authority: EP; European Patent Office
Prior art keywords: centrifugal pump; pressurizing centrifugal; pressurizing; pump; centrifugal
Prior art date: 2007-12-21
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP07851048A

Other languages

German (de)

French (fr)

Other versions

EP2233749A1 (en

Inventor

Ryoichi Yonehara

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.)

Yonehara Giken Co Ltd

Original Assignee

Yonehara Giken Co Ltd

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.)

2007-12-21

Filing date

2007-12-21

Publication date

2012-12-19

2007-12-21 Application filed by Yonehara Giken Co Ltd filed Critical Yonehara Giken Co Ltd

2010-09-29 Publication of EP2233749A1 publication Critical patent/EP2233749A1/en

2012-12-19 Publication of EP2233749A4 publication Critical patent/EP2233749A4/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Status Withdrawn legal-status Critical Current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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2288—Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D23/00—Other rotary non-positive-displacement pumps
- F04D23/008—Regenerative pumps
- 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
- F04D29/18—Rotors
- F04D29/188—Rotors specially for regenerative pumps
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2272—Rotors specially for centrifugal pumps with special measures for influencing flow or boundary layer
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2294—Rotors specially for centrifugal pumps with special measures for protection, e.g. against abrasion
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D5/00—Pumps with circumferential or transverse flow
- F04D5/002—Regenerative pumps
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D5/00—Pumps with circumferential or transverse flow
- F04D5/002—Regenerative pumps
- F04D5/008—Details of the stator, e.g. channel shape
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/51—Inlet

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Geometry (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

EP07851048A 2007-12-21 2007-12-21 Pressurizing centrifugal pump Withdrawn EP2233749A4 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2007/074642 WO2009081465A1 (en)	2007-12-21	2007-12-21	Pressurizing centrifugal pump

Publications (2)

Publication Number	Publication Date
EP2233749A1 EP2233749A1 (en)	2010-09-29
EP2233749A4 true EP2233749A4 (en)	2012-12-19

Family

ID=40800784

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07851048A Withdrawn EP2233749A4 (en)	2007-12-21	2007-12-21	Pressurizing centrifugal pump

Country Status (5)

Country	Link
US (1)	US20110280718A1 (en)
EP (1)	EP2233749A4 (en)
KR (1)	KR20100097165A (en)
CN (1)	CN101903661A (en)
WO (1)	WO2009081465A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP6283928B2 (en) *	2013-10-03	2018-02-28	三浦工業株式会社	Impeller and cascade pump
CN114294259B (en) *	2021-12-30	2024-10-22	福建省福安市力德泵业有限公司	High-efficient low noise pump
CN115233715B (en) *	2022-08-07	2024-06-14	黑龙江省六建建筑工程有限责任公司	Drainage device and drainage method for building engineering

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1402713A (en) *	1971-06-30	1975-08-13	Lintott Eng Ltd	Vortex compressor
US3915589A (en) *	1974-03-29	1975-10-28	Gast Manufacturing Corp	Convertible series/parallel regenerative blower
EP0477650A2 (en) *	1990-09-14	1992-04-01	Hitachi, Ltd.	Vortex flow blower
US6224323B1 (en) *	1997-08-07	2001-05-01	Aisan Kogyo Kabushiki Kaisha	Impeller of motor-driven fuel pump
JP2005240628A (en) *	2004-02-25	2005-09-08	Tsurumi Mfg Co Ltd	Constraint preventing structure of submergible centrifugal pump
EP1739310A1 (en) *	2004-03-31	2007-01-03	Yonehara Giken Co., Ltd.	Pressurizing centrifugal pump

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1619286A (en) *	1921-06-01	1927-03-01	Arthur W Burks	Pump
US3392675A (en) *	1965-10-22	1968-07-16	Ford Motor Co	Centrifugal pump
JPS4895603A (en) *	1972-03-22	1973-12-07
JPS63138199A (en) *	1986-11-28	1988-06-10	Nikko Eng Kk	Gas-liquid mixture transfer pump
JP2776976B2 (en) *	1990-10-19	1998-07-16	株式会社日立製作所	Swirl pump
JPH09177693A (en) *	1995-12-26	1997-07-11	Asmo Co Ltd	Fluid pump
JP2000240584A (en) *	1999-02-18	2000-09-05	Ebara Corp	Vortex pump
JP4310426B2 (en)	2002-07-25	2009-08-12	米原技研有限会社	Gas mixing structure of pressurized centrifugal pump
JP2005240629A (en) *	2004-02-25	2005-09-08	Tsurumi Mfg Co Ltd	Constraint preventing structure of submergible centrifugal pump
JP2005270245A (en) *	2004-03-24	2005-10-06	Hitachi Home & Life Solutions Inc	Dishwasher washing and drainage pump
US7267524B2 (en) *	2004-05-10	2007-09-11	Ford Motor Company	Fuel pump having single sided impeller
FI20050450L (en) *	2005-04-29	2006-10-30	Sulzer Pumpen Ag	Centrifugal pump and impeller

2007
- 2007-12-21 EP EP07851048A patent/EP2233749A4/en not_active Withdrawn
- 2007-12-21 US US12/808,773 patent/US20110280718A1/en not_active Abandoned
- 2007-12-21 KR KR1020107013332A patent/KR20100097165A/en not_active Application Discontinuation
- 2007-12-21 CN CN2007801019836A patent/CN101903661A/en active Pending
- 2007-12-21 WO PCT/JP2007/074642 patent/WO2009081465A1/en active Application Filing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1402713A (en) *	1971-06-30	1975-08-13	Lintott Eng Ltd	Vortex compressor
US3915589A (en) *	1974-03-29	1975-10-28	Gast Manufacturing Corp	Convertible series/parallel regenerative blower
EP0477650A2 (en) *	1990-09-14	1992-04-01	Hitachi, Ltd.	Vortex flow blower
US6224323B1 (en) *	1997-08-07	2001-05-01	Aisan Kogyo Kabushiki Kaisha	Impeller of motor-driven fuel pump
JP2005240628A (en) *	2004-02-25	2005-09-08	Tsurumi Mfg Co Ltd	Constraint preventing structure of submergible centrifugal pump
EP1739310A1 (en) *	2004-03-31	2007-01-03	Yonehara Giken Co., Ltd.	Pressurizing centrifugal pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009081465A1 *

Also Published As

Publication number	Publication date
US20110280718A1 (en)	2011-11-17
CN101903661A (en)	2010-12-01
WO2009081465A1 (en)	2009-07-02
EP2233749A1 (en)	2010-09-29
KR20100097165A (en)	2010-09-02

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GB0711479D0 (en)	2007-07-25	Minaturised pump
GB0722270D0 (en)	2007-12-27	pump
SI2322807T1 (en)	2014-03-31	Pump unit
SI2320092T1 (en)	2014-03-31	Pump unit

Legal Events

Date	Code	Title	Description
2010-08-27	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
2010-09-29	17P	Request for examination filed	Effective date: 20100707
2010-09-29	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
2010-09-29	AX	Request for extension of the european patent	Extension state: AL BA HR MK RS
2011-03-30	DAX	Request for extension of the european patent (deleted)
2012-12-19	A4	Supplementary search report drawn up and despatched	Effective date: 20121115
2012-12-19	RIC1	Information provided on ipc code assigned before grant	Ipc: F04D 31/00 20060101ALI20121109BHEP Ipc: F04D 5/00 20060101ALI20121109BHEP Ipc: F04D 29/66 20060101ALI20121109BHEP Ipc: F04D 29/18 20060101ALI20121109BHEP Ipc: F04D 7/04 20060101ALI20121109BHEP Ipc: F04D 29/24 20060101AFI20121109BHEP Ipc: F04D 23/00 20060101ALI20121109BHEP Ipc: F04D 29/42 20060101ALI20121109BHEP
2013-11-15	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2013-12-18	18D	Application deemed to be withdrawn	Effective date: 20130615