EP1291524A3 - Pompe à membrane hydraulique avec membrane précontrainte - Google Patents

Pompe à membrane hydraulique avec membrane précontrainte Download PDF

Info

Publication number
EP1291524A3
EP1291524A3 EP02018670A EP02018670A EP1291524A3 EP 1291524 A3 EP1291524 A3 EP 1291524A3 EP 02018670 A EP02018670 A EP 02018670A EP 02018670 A EP02018670 A EP 02018670A EP 1291524 A3 EP1291524 A3 EP 1291524A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic
zone
membrane
diaphragm
pump
Prior art date
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.)
Granted
Application number
EP02018670A
Other languages
German (de)
English (en)
Other versions
EP1291524A2 (fr
EP1291524B1 (fr
Inventor
Nils Dr. Kohlhase
Waldemar Horn
Rüdiger Schnorr
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.)
Lewa GmbH
Lewa Herbert Ott GmbH and Co KG
Original Assignee
Lewa GmbH
Lewa Herbert Ott GmbH and Co KG
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.)
Filing date
Publication date
Application filed by Lewa GmbH, Lewa Herbert Ott GmbH and Co KG filed Critical Lewa GmbH
Publication of EP1291524A2 publication Critical patent/EP1291524A2/fr
Publication of EP1291524A3 publication Critical patent/EP1291524A3/fr
Application granted granted Critical
Publication of EP1291524B1 publication Critical patent/EP1291524B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00Machines, pumps, or pumping installations having flexible working members
    • F04B43/02Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/06Pumps having fluid drive
    • F04B43/067Pumps having fluid drive the fluid being actuated directly by a piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
EP02018670A 2001-09-07 2002-08-20 Pompe à membrane hydraulique avec membrane précontrainte Expired - Lifetime EP1291524B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10143978 2001-09-07
DE10143978A DE10143978B4 (de) 2001-09-07 2001-09-07 Hydraulisch angetriebene Membranpumpe mit vorgespannter Membran

Publications (3)

Publication Number Publication Date
EP1291524A2 EP1291524A2 (fr) 2003-03-12
EP1291524A3 true EP1291524A3 (fr) 2004-07-28
EP1291524B1 EP1291524B1 (fr) 2005-11-30

Family

ID=7698108

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02018670A Expired - Lifetime EP1291524B1 (fr) 2001-09-07 2002-08-20 Pompe à membrane hydraulique avec membrane précontrainte

Country Status (5)

Country Link
US (1) US6884045B2 (fr)
EP (1) EP1291524B1 (fr)
JP (1) JP4416149B2 (fr)
AT (1) ATE311536T1 (fr)
DE (2) DE10143978B4 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10322221B3 (de) * 2003-05-16 2005-01-27 Lewa Herbert Ott Gmbh + Co Leckageüberwachung im Hydraulikdruckraum einer Membranpumpe
NO20045382D0 (no) * 2004-12-09 2004-12-09 Clavis Impuls Technlogy As Fremgangsmate og anordning for transport av fluid i en kanal
US20080003120A1 (en) * 2006-06-30 2008-01-03 Meza Humberto V Pump apparatus and method
FR2941749A1 (fr) * 2009-02-03 2010-08-06 Milton Roy Europe Pompe a membrane elastique a commande hydraulique
DE102010004600A1 (de) 2010-01-13 2011-07-14 Marseille, Oliver, Dr.-Ing., 52066 Anordnung mit einer Blutpumpe und einem Gasaustauscher zur extrakorporalen Membranoxygenierung
DE102010039831B4 (de) 2010-08-26 2022-02-03 Prominent Gmbh Membranpumpe sowie Verfahren zum Einstellen einer solchen
DE102014010108B4 (de) 2014-07-08 2016-01-28 Lewa Gmbh Hydraulisch angetriebene Membranpumpe
ITUB20151971A1 (it) * 2015-07-06 2017-01-06 Seko Spa Pompa a membrana
EA202092462A1 (ru) * 2018-04-18 2021-06-17 Ваннер Энджиниринг, Инк. Приспособление для защиты диафрагменного насоса от перепада давления

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB339136A (en) * 1929-01-12 1930-12-04 Barostat Company Improvements in and relating to diaphragm devices operated by fluid pressure
US4776771A (en) * 1986-09-19 1988-10-11 Grunbeck Wasseraufbereitung Gmbh Metering pump
US5192198A (en) * 1989-08-31 1993-03-09 J. Wagner Gmbh Diaphragm pump construction
US6086340A (en) * 1999-05-11 2000-07-11 Milton Roy Company Metering diaphragm pump having a front removable hydraulic refill valve
US6276907B1 (en) * 1999-08-12 2001-08-21 Wagner Spray Tech Corporation Hydraulically driven diaphragm pump

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546302A (en) * 1946-06-04 1951-03-27 Cooper Bessemer Corp Flexible diaphragm pump
US2642090A (en) * 1946-11-16 1953-06-16 Niles Bement Pond Co Diaphragm assembly and method of making same
US2653552A (en) * 1951-08-15 1953-09-29 Geeraert Corp High-pressure pump
DE1034030B (de) * 1955-09-22 1958-07-10 Reiners Walter Dr Ing Membranpumpe fuer nicht schmierende und chemisch aggressive Fluessigkeiten, insbesondere zur Schaedlingsbekaempfung in der Landwirtschaft
US3075468A (en) * 1960-04-06 1963-01-29 Hills Mccanna Co Hydraulically actuated diaphragm pump
US3386388A (en) * 1966-06-22 1968-06-04 Rosenberg David Hydraulically actuated pump
US4022114A (en) * 1974-07-05 1977-05-10 Refrigerating Specialties Company Flexible diaphragm construction
HU168667B (fr) * 1975-02-25 1976-06-28
JPH0314930A (ja) * 1989-02-28 1991-01-23 Tatsuta Electric Wire & Cable Co Ltd 皿ばね

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB339136A (en) * 1929-01-12 1930-12-04 Barostat Company Improvements in and relating to diaphragm devices operated by fluid pressure
US4776771A (en) * 1986-09-19 1988-10-11 Grunbeck Wasseraufbereitung Gmbh Metering pump
US5192198A (en) * 1989-08-31 1993-03-09 J. Wagner Gmbh Diaphragm pump construction
US6086340A (en) * 1999-05-11 2000-07-11 Milton Roy Company Metering diaphragm pump having a front removable hydraulic refill valve
US6276907B1 (en) * 1999-08-12 2001-08-21 Wagner Spray Tech Corporation Hydraulically driven diaphragm pump

Also Published As

Publication number Publication date
DE10143978B4 (de) 2005-03-03
EP1291524A2 (fr) 2003-03-12
EP1291524B1 (fr) 2005-11-30
JP4416149B2 (ja) 2010-02-17
DE10143978A1 (de) 2003-03-27
DE50205092D1 (de) 2006-01-05
ATE311536T1 (de) 2005-12-15
US20030049145A1 (en) 2003-03-13
JP2003097449A (ja) 2003-04-03
US6884045B2 (en) 2005-04-26

Similar Documents

Publication Publication Date Title
EP1462648A3 (fr) Dispositif de pompage fluidique
TW200506255A (en) Suck back valve
WO2006069875A3 (fr) Ventilateur lineaire
EP1130216A3 (fr) Machine alternative
DK1898093T3 (da) Pumpeindretning
EP1291524A3 (fr) Pompe à membrane hydraulique avec membrane précontrainte
ES2085120T3 (es) Bomba hidraulica de pistones provistos de valvulas de aspiracion.
ATE427425T1 (de) Pumpe, insbesondere plungerpumpe
CA2329533A1 (fr) Dispositif de percussion
ATE64647T1 (de) Durch gas angetriebene einfach wirkende pumpe.
ATE377713T1 (de) Hydraulischer zylinder
EP0933528A3 (fr) Pompe
AU2002367332A1 (en) Device for pressure regulation of hydraulic pumps
CA2310525A1 (fr) Robinet pilote pour commander une pompe a piston
SE9900676L (sv) Förträngningspump
WO2006044915A3 (fr) Robinet d'admission d'air pour un inverseur actionne a l'air
DE50113387D1 (de) Zahnradpumpe mit einer fördermengenverändernden Verschiebeeinheit
ATE316208T1 (de) Schlauchmembran-kolbenpumpe
CA2466844A1 (fr) Pompe a membrane
EP1283365A3 (fr) Moteur hydraulique avec frein intégré
DE50206467D1 (de) Unterdruckdose
EP1046816A3 (fr) Soupape d'admission d'une pompe
JP2676110B2 (ja) 流体圧駆動連続作動型往復動アクチュエータ
WO2005001285A3 (fr) Pompe a membrane
KR970021744A (ko) 왕복동식 압축기의 밸브장치

Legal Events

Date Code Title Description
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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20030331

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RIC1 Information provided on ipc code assigned before grant

Ipc: 7F 04B 43/067 B

Ipc: 7F 04B 45/06 A

17Q First examination report despatched

Effective date: 20041110

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051130

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051130

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051130

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051130

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051130

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 50205092

Country of ref document: DE

Date of ref document: 20060105

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20060130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060228

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060228

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060228

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060313

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060502

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

ET Fr: translation filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060831

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060831

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060831

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060831

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20060831

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060820

BERE Be: lapsed

Owner name: LEWA HERBERT OTT G.M.B.H. + CO.

Effective date: 20060831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051130

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060820

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051130

REG Reference to a national code

Ref country code: FR

Ref legal event code: CD

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20210823

Year of fee payment: 20

Ref country code: IT

Payment date: 20210831

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20210824

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20211028

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 50205092

Country of ref document: DE

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20220819

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20220819