EP1454066A1 - Tauchpumpenanordnung mit einem schwimmerschalter - Google Patents
Tauchpumpenanordnung mit einem schwimmerschalterInfo
- Publication number
- EP1454066A1 EP1454066A1 EP02804175A EP02804175A EP1454066A1 EP 1454066 A1 EP1454066 A1 EP 1454066A1 EP 02804175 A EP02804175 A EP 02804175A EP 02804175 A EP02804175 A EP 02804175A EP 1454066 A1 EP1454066 A1 EP 1454066A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- float switch
- cable
- pump
- arrangement according
- housing
- 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
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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
- F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
Definitions
- Submersible pump assemblies are often equipped with a float switch which is connected to the pump housing by a cable, the cable being able to be clamped in a cable holder arranged on the housing.
- the float switch tilts down and stops the pump from a predetermined incline.
- the float switch is carried upwards and tilts upwards against the cable holder until the pump is started again from a predefined angle of inclination. Due to the length of the cable section between the cable bracket and
- Float switches can be set to the level difference corresponding to the switching hysteresis.
- Such a submersible pump arrangement with a float switch is known for example from EP 420 218 B1.
- the present invention has for its object to expand the handling options of a submersible pump arrangement with a float switch.
- the switch holder for receiving the float switch in a switch position that is fixed relative to the housing and enables pump operation enables the arrangement to be used even at a permanently low level of a surrounding liquid and in particular also the use of the pump arrangement not only as a submersible pump, but also as a universal pump with suction-side liquid supply via a Line, in particular a pipe and / or a hose.
- a counter element complementary to the switch position is preferably provided on the float switch.
- the switch holder can also be designed to hold a conventional float switch.
- the outlet opening for submersible pump operation can be configured such that a suction line can be connected to it directly or via an adapter.
- an additional suction inlet to the pump chamber can be provided, to which such a suction line can be connected.
- the two or more inputs can be selected individually via a common control element in such a way that one of the inputs can be released while the other inputs are closed at the same time. Provision can also be made to keep all inputs blocked in one position.
- the switch holder is designed as an essentially vertical bar on the pump housing, in which several recesses are designed as cable holders.
- FIG. 1 shows a pump arrangement in a side view
- FIG. 2 shows the pump arrangement according to FIG. 1 from below
- FIG. 3 shows a float switch with a receiving groove
- FIG. 4 shows another view of the float switch according to FIG. 2
- Fig. 5 is an oblique view of a pump assembly with attached
- Fig. 6 is an oblique view with suspended float cable
- a standing plane SE is determined by the pump housing GE or, optionally, height-adjustable feet SF or the like provided on it.
- a profile strip PL is formed on the side of the housing, in which, at different heights, H1, H2 ... separate receptacles AU1, AU2 ... are formed for a cable KA, sketched at the top of the housing, between the pump and a float switch (not shown in FIG. 1) are.
- the cable can be clamped into one of the receptacles in a manner known per se.
- the receptacles arranged at different heights allow a variable adjustment of the height of the cable fixing on the housing and thus an adjustment of the switching heights of the float switch independently of the length of the cable section between the receptacle and float switch. Instead of several individual recordings, one recording can also be height-adjustable.
- FIG. 2 which shows the pump arrangement according to FIG. 1 in a view from below, it is clear that the profile strip PL protrudes from the housing and has nubs NO or the like which protrude parallel to the housing surface from the main body of the profile strip.
- a float switch sketched in FIGS. 3 and 4 has an elongated groove NU which is complementary to the shape of the profile strip PL according to FIG. 2 and whose knobs NO can engage behind with projections.
- the groove of the float switch can be pushed onto the profile strip on the housing, the groove encompassing the strip with the knobs and fixing the float switch to the housing in a defined form, as shown in FIG. 5 in an oblique view of the pump arrangement with the float switch attached to the profile strip.
- the float switch is in the switch position when the pump is switched on, which can thus be operated independently of the level of a surrounding liquid.
- the pump can only be operated just above the installation level even at very low levels.
- the pump can also be operated as a universal pump without immersion in a surrounding liquid by adapting the suction side.
- Such an adaptation of the suction side can be done, for example, by a suction line such as a hose, a pipe etc. can be connected directly or via an adapter to a suction opening that is also used in submersible pumps.
- at least one additional suction opening can be provided, in which case means for closing unused suction openings and / or switching devices for selecting a suction opening can be provided.
- FIG. 6 shows an oblique view of a pump arrangement according to the invention with the cable KA of the float switch suspended in one of the several receptacles AU.
- the length of the cable section between the receptacle and the float switch determines the switching hysteresis in a conventional manner.
- the average switching level can be set by changing between the different recordings.
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)
- Switches Operated By Changes In Physical Conditions (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20221071U DE20221071U1 (de) | 2001-12-04 | 2002-11-16 | Tauchpumpenanordnung mit einem Schwimmerschalter |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10159511 | 2001-12-04 | ||
DE10159511A DE10159511B4 (de) | 2001-12-04 | 2001-12-04 | Tauchpumpenanordnung mit einem Schwimmerschalter |
PCT/EP2002/012861 WO2003048584A1 (de) | 2001-12-04 | 2002-11-16 | Tauchpumpenanordnung mit einem schwimmerschalter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1454066A1 true EP1454066A1 (de) | 2004-09-08 |
EP1454066B1 EP1454066B1 (de) | 2005-09-14 |
Family
ID=7707984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02804175A Expired - Lifetime EP1454066B1 (de) | 2001-12-04 | 2002-11-16 | Tauchpumpenanordnung mit einem schwimmerschalter |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1454066B1 (de) |
AT (1) | ATE304656T1 (de) |
AU (1) | AU2002365687A1 (de) |
DE (3) | DE10159511B4 (de) |
WO (1) | WO2003048584A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017021221A1 (en) * | 2015-08-03 | 2017-02-09 | Husqvarna Ab | Submersible pump with float switch and float switch cable clip restrictor |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005031420B4 (de) * | 2005-07-04 | 2010-07-08 | Al-Ko Kober Ag | Kombinierte Tauch-/Flachabsaug-Rotationspumpe mit konzentrischer Laufradeintrittsöffnung |
DE102006016981A1 (de) | 2006-04-06 | 2007-10-11 | Alfred Kärcher Gmbh & Co. Kg | Tauchpumpe |
DE102006016982B3 (de) * | 2006-04-06 | 2007-10-25 | Alfred Kärcher Gmbh & Co. Kg | Tauchpumpe |
IT1390742B1 (it) * | 2008-08-04 | 2011-09-23 | Pedrollo Spa | Dispositivo di fissaggio dei cavi per pompe sommergibili |
DE102011120837B4 (de) * | 2011-12-13 | 2014-10-16 | AL-KO Geräte GmbH | Tauchpumpe für Flüssigkeit mit automatischer Schaltvorrichtung |
DE202015101176U1 (de) | 2015-03-09 | 2016-06-13 | Homa Pumpenfabrik Gmbh | Hebelelement, Hebelanordnung und Tauchmotorpumpe mit Hebelelement |
US20180058455A1 (en) * | 2015-03-10 | 2018-03-01 | Pedrollo S.P.A. | Float switch device for submersible pumps |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1540333B2 (de) * | 1965-08-13 | 1971-09-30 | Reichensperger, Gunter, 4811 Olden trup | Schwimmschalter fuer pumpenanlagen oder dergleichen |
US4021144A (en) * | 1975-09-17 | 1977-05-03 | Elepon Kabushiki Kaisha | Submersible pump with float switch |
DE2618068A1 (de) * | 1976-04-24 | 1977-11-10 | Albert Blum | Pumpenaggregat |
JPS56167886A (en) * | 1980-05-27 | 1981-12-23 | Shin Meiwa Ind Co Ltd | Water pump incopropated with operation mechanism |
US4626175A (en) * | 1985-08-22 | 1986-12-02 | Expert Corporation | Float switch cable clamp |
JPH03175195A (ja) * | 1989-09-26 | 1991-07-30 | Ebara Corp | 水中ポンプ |
JP3642578B2 (ja) * | 1993-03-30 | 2005-04-27 | 株式会社荏原製作所 | ポンプ装置 |
-
2001
- 2001-12-04 DE DE10159511A patent/DE10159511B4/de not_active Expired - Fee Related
-
2002
- 2002-11-16 DE DE20220714U patent/DE20220714U1/de not_active Expired - Lifetime
- 2002-11-16 DE DE50204296T patent/DE50204296D1/de not_active Expired - Lifetime
- 2002-11-16 EP EP02804175A patent/EP1454066B1/de not_active Expired - Lifetime
- 2002-11-16 WO PCT/EP2002/012861 patent/WO2003048584A1/de not_active Application Discontinuation
- 2002-11-16 AT AT02804175T patent/ATE304656T1/de active
- 2002-11-16 AU AU2002365687A patent/AU2002365687A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO03048584A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017021221A1 (en) * | 2015-08-03 | 2017-02-09 | Husqvarna Ab | Submersible pump with float switch and float switch cable clip restrictor |
Also Published As
Publication number | Publication date |
---|---|
ATE304656T1 (de) | 2005-09-15 |
DE10159511A1 (de) | 2003-06-26 |
DE10159511B4 (de) | 2004-07-15 |
AU2002365687A1 (en) | 2003-06-17 |
DE20220714U1 (de) | 2004-02-19 |
WO2003048584A1 (de) | 2003-06-12 |
DE50204296D1 (de) | 2005-10-20 |
EP1454066B1 (de) | 2005-09-14 |
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