DE69922729D1 - Achsschubausgleich - Google Patents

Achsschubausgleich

Info

Publication number: DE69922729D1
Authority: DE; Germany
Prior art keywords: achsschubausgleich
Prior art date: 1998-04-20
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.): Expired - Lifetime

Application number

DE69922729T

Other languages

German (de)

Other versions

DE69922729T2 (en

Inventor

Yasushi Kubota

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.)

Nikkiso Co Ltd

Original Assignee

Nikkiso 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.)

1998-04-20

Filing date

1999-04-19

Publication date

2005-01-27

1999-04-19 Application filed by Nikkiso Co Ltd filed Critical Nikkiso Co Ltd

2005-01-27 Application granted granted Critical

2005-01-27 Publication of DE69922729D1 publication Critical patent/DE69922729D1/en

2005-12-01 Publication of DE69922729T2 publication Critical patent/DE69922729T2/en

2019-04-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- 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
- F04D29/0416—Axial thrust balancing balancing pistons

Landscapes

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

DE69922729T 1998-04-20 1999-04-19 Achsschubausgleich Expired - Lifetime DE69922729T2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP10972098		1998-04-20
JP10972098		1998-04-20

Publications (2)

Publication Number	Publication Date
DE69922729D1 true DE69922729D1 (en)	2005-01-27
DE69922729T2 DE69922729T2 (en)	2005-12-01

Family

ID=14517524

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69922729T Expired - Lifetime DE69922729T2 (en)	1998-04-20	1999-04-19	Achsschubausgleich

Country Status (5)

Country	Link
EP (1)	EP0952352B1 (en)
KR (1)	KR100295011B1 (en)
CN (1)	CN1120937C (en)
DE (1)	DE69922729T2 (en)
TW (1)	TW406166B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4281614B2 (en) *	2004-05-10	2009-06-17	株式会社日立プラントテクノロジー	Pump device
CN100368689C (en) *	2004-09-16	2008-02-13	北京化工大学	A Pressure Differential Thrust Balance Device for Rotating Fluid Machinery
CN101113741B (en) *	2006-07-26	2011-03-16	上海新沪电机厂有限公司	Automatic balance device for shielding force at direction of pump spindle
US8529191B2 (en) *	2009-02-06	2013-09-10	Fluid Equipment Development Company, Llc	Method and apparatus for lubricating a thrust bearing for a rotating machine using pumpage
KR101509814B1 (en) *	2009-12-02	2015-04-06	현대자동차주식회사	Inline type coolant pump with improved impeller lift
DE102009060549A1 (en) *	2009-12-23	2011-06-30	Wilo Se, 44263	EC motor centrifugal pump
KR101700332B1 (en)	2015-07-29	2017-02-14	한국해양대학교 산학협력단	Apparatus for Decreasing Thrust of Radial Inflow Turbine
ITUA20163303A1 (en) *	2016-05-10	2017-11-10	Ind Saleri Italo Spa	PUMP UNIT WITH ELECTRIC DRIVE AND MECHANICAL DRIVE WITH SUPPORTED IMPELLER
US11085457B2 (en)	2017-05-23	2021-08-10	Fluid Equipment Development Company, Llc	Thrust bearing system and method for operating the same
US10801512B2 (en)	2017-05-23	2020-10-13	Vector Technologies Llc	Thrust bearing system and method for operating the same
CN109281861A (en) *	2018-11-28	2019-01-29	珠海格力电器股份有限公司	Axial force automatic balancing device, water pump and air conditioner
CN114483640B (en) *	2022-01-25	2022-10-28	威乐(中国)水泵系统有限公司	Impeller for centrifugal pump and compact industrial refrigeration pump

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4938641B1 (en) *	1970-08-06	1974-10-19
US5320482A (en) *	1992-09-21	1994-06-14	The United States Of America As Represented By The Secretary Of The Navy	Method and apparatus for reducing axial thrust in centrifugal pumps
DE4421888A1 (en) *	1994-06-23	1996-01-04	Klein Schanzlin & Becker Ag	Device for axial thrust compensation in centrifugal pumps

1999
- 1999-04-14 CN CN99105578A patent/CN1120937C/en not_active Expired - Lifetime
- 1999-04-14 TW TW088105939A patent/TW406166B/en not_active IP Right Cessation
- 1999-04-16 KR KR1019990013435A patent/KR100295011B1/en not_active Expired - Lifetime
- 1999-04-19 DE DE69922729T patent/DE69922729T2/en not_active Expired - Lifetime
- 1999-04-19 EP EP99107770A patent/EP0952352B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE69922729T2 (en)	2005-12-01
KR19990083231A (en)	1999-11-25
EP0952352A3 (en)	2001-05-30
EP0952352B1 (en)	2004-12-22
CN1232928A (en)	1999-10-27
TW406166B (en)	2000-09-21
CN1120937C (en)	2003-09-10
EP0952352A2 (en)	1999-10-27
KR100295011B1 (en)	2001-07-12

Publication	Publication Date	Title
DE69937850D1 (en)	2008-02-14	Hautablationslaser
DE69926979D1 (en)	2005-10-06	Leitschaufelbefestigung
DE69938581D1 (en)	2008-06-05	CORIOLISMASSENDURCHFLUSSMESSER
DE69936168D1 (en)	2007-07-12	Mehrfachprobeninlassmassenspektrometer
DE69920962D1 (en)	2004-11-11	POLYCARBONATABMISCHUNG
DE59911453D1 (en)	2005-02-17	AKTIVKOHLEFILTER
DE59902874D1 (en)	2002-10-31	BUCHSENKONTAKT
DE69925611D1 (en)	2005-07-07	STOPFBÜCHSENVORRICHTUNG
DE69928148D1 (en)	2005-12-15	Wasserskimmer
DE69926033D1 (en)	2005-08-11	Schlüsselkodekorrelationsanordnung
DE69931392D1 (en)	2006-06-22	HAUTDEPIGMENTIERUNGSMITTEL
FI980202A0 (en)	1998-01-29	Svaengningsomvandlarenhet
DE69940418D1 (en)	2009-04-02	Tonsignalsmischung
DE69939251D1 (en)	2008-09-18	FUNKPEILSYSTEM
FI980472A0 (en)	1998-03-02	Laddningsfoerfarande och -arrangemang
DK1124809T3 (en)	2004-07-19	Benzoylpyridazines
DE69901852D1 (en)	2002-07-25	Perfluorodioxolen
DE59913393D1 (en)	2006-06-08	FADENCHANGIERUNG
DE69904737D1 (en)	2003-02-06	STREIFENKODELESEGERÄT
DE69906909D1 (en)	2003-05-22	Gerotormotor
DE59903106D1 (en)	2002-11-21	TRIPODE-CVJ
FI980335A0 (en)	1998-02-13	Statisk elenergimaetare
DE69907543D1 (en)	2003-06-12	Röhrchenindexiervorrichtung
DE69938364D1 (en)	2008-04-24	Polycarbonatabmischung
DE69937820D1 (en)	2008-02-07	Abtastkopfbetätiger

Legal Events

Date	Code	Title	Description
2006-01-19	8364	No opposition during term of opposition