SE515519C2 - Centrifugalpump - Google Patents

Centrifugalpump

Info

Publication number: SE515519C2
Authority: SE; Sweden
Prior art keywords: centrifugal pump; pump according; rotor; housing; chamber
Prior art date: 1997-05-01

Application number

SE9801449A

Other languages

English (en)

Swedish (sv)

Other versions

SE9801449L (sv

SE9801449D0 (sv

Inventor

Vaclav Feres

Original Assignee

Vaclav Feres

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.)

1997-05-01

Filing date

1998-04-24

Publication date

2001-08-20

1998-04-24 Application filed by Vaclav Feres filed Critical Vaclav Feres

1998-04-24 Publication of SE9801449D0 publication Critical patent/SE9801449D0/xx

1998-11-02 Publication of SE9801449L publication Critical patent/SE9801449L/

2001-08-20 Publication of SE515519C2 publication Critical patent/SE515519C2/sv

Links

239000007788 liquid Substances 0.000 claims abstract description 60
230000004888 barrier function Effects 0.000 claims description 23
239000012530 fluid Substances 0.000 claims description 9
238000001816 cooling Methods 0.000 claims description 7
230000001050 lubricating effect Effects 0.000 claims description 6
239000000654 additive Substances 0.000 claims 1
230000000996 additive effect Effects 0.000 claims 1
230000000903 blocking effect Effects 0.000 claims 1
238000000034 method Methods 0.000 description 17
239000012071 phase Substances 0.000 description 8
238000005192 partition Methods 0.000 description 7
238000004891 communication Methods 0.000 description 3
238000007789 sealing Methods 0.000 description 3
238000009835 boiling Methods 0.000 description 2
239000007787 solid Substances 0.000 description 2
239000007921 spray Substances 0.000 description 2
230000002411 adverse Effects 0.000 description 1
239000003570 air Substances 0.000 description 1
239000012080 ambient air Substances 0.000 description 1
230000004323 axial length Effects 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000005187 foaming Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
230000009931 harmful effect Effects 0.000 description 1
230000017525 heat dissipation Effects 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
238000009434 installation Methods 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
238000010327 methods by industry Methods 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000000149 penetrating effect Effects 0.000 description 1
239000003507 refrigerant Substances 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
239000012808 vapor phase Substances 0.000 description 1

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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/12—Pumps with scoops or like paring members protruding in the fluid circulating in a bowl

Landscapes

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

SE9801449A 1997-05-01 1998-04-24 Centrifugalpump SE515519C2 (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19718283A DE19718283C1 (de)	1997-05-01	1997-05-01	Zentrifugalpumpe

Publications (3)

Publication Number	Publication Date
SE9801449D0 SE9801449D0 (sv)	1998-04-24
SE9801449L SE9801449L (sv)	1998-11-02
SE515519C2 true SE515519C2 (sv)	2001-08-20

Family

ID=7828232

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9801449A SE515519C2 (sv)	1997-05-01	1998-04-24	Centrifugalpump

Country Status (6)

Country	Link
US (1)	US6149384A ( )
JP (1)	JP2966831B2 ( )
CH (1)	CH692753A5 ( )
CZ (1)	CZ286478B6 ( )
DE (1)	DE19718283C1 ( )
SE (1)	SE515519C2 ( )

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5474060B2 (ja) *	2008-06-25	2014-04-16	ビーエーエスエフソシエタス・ヨーロピア	液体搬送時における逆流を確実に回避する方法
JP7181443B2 (ja) *	2018-02-14	2022-12-01	日本電産サンキョー株式会社	冷却装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE972631C (de) *	1953-05-21	1959-08-20	Westfalia Separator Ag	Verfahren und Vorrichtung zur Reinigung von schweren Heizoelen
US3049081A (en) *	1959-04-27	1962-08-14	Bell Aerospace Corp	Pump seal
US3795459A (en) *	1973-03-21	1974-03-05	Kobe Inc	Pitot pump with slotted inlet passages in rotor case
US3999882A (en) *	1975-03-17	1976-12-28	Dresser Industries, Inc.	Flushing and cooling system for shaft seals and pumps
US4036427A (en) *	1975-06-06	1977-07-19	Kobe, Inc.	Combination pitot pump and centrifugal separator
US4183713A (en) *	1975-11-17	1980-01-15	Kobe, Inc.	Pitot pump with jet pump operated thrust balance
US4044943A (en) *	1976-06-21	1977-08-30	Kobe, Inc.	Centrifugal separator and system
US4171182A (en) *	1978-05-08	1979-10-16	Vaclav Feres	Extractor pump for fluids under vacuum
US4279571A (en) *	1979-10-01	1981-07-21	Kobe, Inc.	Pitot pump with fluid lubricated bearings
US4946349A (en) *	1989-07-19	1990-08-07	National Space Development Agency Of Japan	Water ring vacuum pump

1997
- 1997-05-01 DE DE19718283A patent/DE19718283C1/de not_active Expired - Fee Related
1998
- 1998-04-15 CH CH00860/98A patent/CH692753A5/de not_active IP Right Cessation
- 1998-04-24 SE SE9801449A patent/SE515519C2/sv not_active IP Right Cessation
- 1998-04-28 US US09/066,913 patent/US6149384A/en not_active Expired - Fee Related
- 1998-04-30 CZ CZ19981341A patent/CZ286478B6/cs not_active IP Right Cessation
- 1998-04-30 JP JP10120652A patent/JP2966831B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
SE9801449L (sv)	1998-11-02
DE19718283C1 (de)	1998-11-19
CZ286478B6 (en)	2000-04-12
US6149384A (en)	2000-11-21
JP2966831B2 (ja)	1999-10-25
CZ134198A3 (cs)	1999-06-16
SE9801449D0 (sv)	1998-04-24
JPH10318177A (ja)	1998-12-02
CH692753A5 (de)	2002-10-15

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Legal Events

Date	Code	Title	Description
2009-12-15	NUG	Patent has lapsed