EP1006282A3 - Selfpriming motorpump assembly - Google Patents

Selfpriming motorpump assembly Download PDF

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Publication number
EP1006282A3
EP1006282A3 EP99117744A EP99117744A EP1006282A3 EP 1006282 A3 EP1006282 A3 EP 1006282A3 EP 99117744 A EP99117744 A EP 99117744A EP 99117744 A EP99117744 A EP 99117744A EP 1006282 A3 EP1006282 A3 EP 1006282A3
Authority
EP
European Patent Office
Prior art keywords
motor
nozzle
pressure
selfpriming
suction
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.)
Withdrawn
Application number
EP99117744A
Other languages
German (de)
French (fr)
Other versions
EP1006282A2 (en
Inventor
Ulrich Ehlert
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.)
GEP Umwelttechnik GmbH
Original Assignee
GEP Umwelttechnik GmbH
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 GEP Umwelttechnik GmbH filed Critical GEP Umwelttechnik GmbH
Publication of EP1006282A2 publication Critical patent/EP1006282A2/en
Publication of EP1006282A3 publication Critical patent/EP1006282A3/en
Withdrawn legal-status Critical Current

Links

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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0077—Safety measures
    • F04D15/0083—Protection against sudden pressure change, e.g. check valves

Abstract

Die Erfindung betrifft ein selbstansaugendes Motorpumpenaggregat (1) mit einem elektrischen Antriebsmotor (2), einer von dem Antriebsmotor (2) antreibbaren Pumpe (5), die wenigstens ein auf der Welle des Motors (2) drehfest angeordnetes Laufrad (5a) aufweist, sowie mit einem Gehäuse, das einen Saugstutzen (3) sowie einen Druckstutzen (4) trägt und zwischen dem Saugstutzen (3) und dem Druckstutzen (4) einen Förderweg (7,8,9) bildet, wobei Saugstutzen (3) und Druckstutzen (4) in jeweils einem endseitigen Abschnitt angeordnet sind, wobei der Saugstutzen (3) und der Druckstutzen (4) zueinander koaxial angeordnet und zu der Motorwelle (W) parallel ausgerichtet sind.

Figure 00000001
The invention relates to a self - priming motor pump unit (1) with an electric drive motor (2), a pump (5) which can be driven by the drive motor (2) and which has at least one impeller (5a) arranged on the shaft of the motor (2) in a rotationally fixed manner, and with a housing which carries a suction nozzle (3) and a pressure nozzle (4) and forms a conveying path (7,8,9) between the suction nozzle (3) and the pressure nozzle (4), suction nozzle (3) and pressure nozzle (4 ) are each arranged in an end section, the suction connector (3) and the pressure connector (4) being arranged coaxially with one another and aligned parallel to the motor shaft (W).
Figure 00000001
EP99117744A 1998-12-03 1999-09-09 Selfpriming motorpump assembly Withdrawn EP1006282A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1998155845 DE19855845A1 (en) 1998-12-03 1998-12-03 Self-priming motor pump unit
DE19855845 1998-12-03

Publications (2)

Publication Number Publication Date
EP1006282A2 EP1006282A2 (en) 2000-06-07
EP1006282A3 true EP1006282A3 (en) 2000-09-27

Family

ID=7889886

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99117744A Withdrawn EP1006282A3 (en) 1998-12-03 1999-09-09 Selfpriming motorpump assembly

Country Status (2)

Country Link
EP (1) EP1006282A3 (en)
DE (1) DE19855845A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004013380A1 (en) * 2004-03-17 2005-10-06 Wilo Ag Device for increasing pressure in water supply especially of high buildings has spring elements installed between pump outer side and pipe inner side to keep pump unit centered
ATE488698T1 (en) * 2005-05-06 2010-12-15 Saer Elettropompe S P A INLINE PUMP
DE202013000051U1 (en) 2013-01-08 2013-03-04 Spinflow Gmbh submersible pump
ES2867675T3 (en) * 2014-03-17 2021-10-20 Calpeda A Spa Pump with water hammer protection unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462752A (en) * 1981-07-17 1984-07-31 Karsten Laing In-line centrifugal pump
GB2186027A (en) * 1986-02-03 1987-08-05 Femmechanika Pump housing for self-priming circulating pumps
US5030061A (en) * 1988-06-01 1991-07-09 Ksb Aktiengesellschaft Casing for inline centrifugal pumps
DE4304149C1 (en) * 1993-02-12 1994-09-08 Grundfos As Self-priming motor pump unit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD54885A (en) *
GB1045204A (en) * 1964-02-11 1966-10-12 Lyon Nicoll Ltd Improvements in or relating to dynamo-electric machines
DE2834026A1 (en) * 1978-08-03 1980-02-21 Gardena Kress & Kastner Gmbh Portable motorised pump for home use - has centrifugal impeller on motor shaft overhang with inlet chamber on motor side and outlet on other side of impeller
DE3014103A1 (en) * 1980-04-12 1981-10-15 Hermetic-Pumpen Gmbh, 7803 Gundelfingen Pump set with electromotor between two pumps - has fluid passing through motor from first to second pump
AT408680B (en) * 1995-04-03 2002-02-25 Atb Austria Antriebstech Ag METHOD FOR REGULATING THE PUMP HEIGHT OF A PUMP
DE19630778C1 (en) * 1996-07-31 1997-08-07 Grundfos As Device for circulating heated water for hot water installation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462752A (en) * 1981-07-17 1984-07-31 Karsten Laing In-line centrifugal pump
GB2186027A (en) * 1986-02-03 1987-08-05 Femmechanika Pump housing for self-priming circulating pumps
US5030061A (en) * 1988-06-01 1991-07-09 Ksb Aktiengesellschaft Casing for inline centrifugal pumps
DE4304149C1 (en) * 1993-02-12 1994-09-08 Grundfos As Self-priming motor pump unit

Also Published As

Publication number Publication date
EP1006282A2 (en) 2000-06-07
DE19855845A1 (en) 2000-06-08

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