EP0493696B1 - Salzbehälter für Enthärtungseinrichtungen von Haushaltgeräten, insbesondere Geschirrspülmaschinen - Google Patents

Salzbehälter für Enthärtungseinrichtungen von Haushaltgeräten, insbesondere Geschirrspülmaschinen Download PDF

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Publication number
EP0493696B1
EP0493696B1 EP91120770A EP91120770A EP0493696B1 EP 0493696 B1 EP0493696 B1 EP 0493696B1 EP 91120770 A EP91120770 A EP 91120770A EP 91120770 A EP91120770 A EP 91120770A EP 0493696 B1 EP0493696 B1 EP 0493696B1
Authority
EP
European Patent Office
Prior art keywords
salt
brine
grained
salt container
water
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.)
Expired - Lifetime
Application number
EP91120770A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0493696A1 (de
Inventor
Franz Dipl.-Ing. Grüll (FH)
Hermann Reinhardt
Rüdiger Dipl.-Ing. Eierman
Helmut Dipl.-Ing. Jerg (Fh)
Sabine Dipl.-Ing. Basler
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.)
BSH Hausgeraete GmbH
Original Assignee
Bosch Siemens Hausgerate 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 Bosch Siemens Hausgerate GmbH filed Critical Bosch Siemens Hausgerate GmbH
Publication of EP0493696A1 publication Critical patent/EP0493696A1/de
Application granted granted Critical
Publication of EP0493696B1 publication Critical patent/EP0493696B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4229—Water softening arrangements
    • A47L15/4231—Constructional details of the salt container or the ion exchanger

Definitions

  • the invention relates to a salt container for softening devices of household appliances, in particular dishwashers, with a salt receiving space having a filling opening, which is separated from a brine collecting space by at least one sieve, with a water supply line opening into the salt receiving space and a brine outlet line leading from the brine collecting space to an ion exchanger of the softening device.
  • salt containers of the aforementioned type which have a cuboid cross section
  • a different brine concentration is generated when using salt with different grain sizes.
  • the difference in brine concentration is due to the fact that the fine-grained salt is difficult to penetrate with the amount of water required for brine formation is in contrast to filled-in coarse-grained salt, which is very well penetrated by the amount of water filled in, so that a very high brine concentration is achieved over the same duration of water exposure.
  • a salt container with a cuboid cross-section is known, in which, in order to avoid the disadvantages described above, in addition to the usual essentially horizontal sieve, a lateral, substantially vertically extending sieve is attached between the salt collecting chamber and the brine collecting chamber, and in which the brine collecting space has been enlarged along the vertical sieve.
  • the object of the invention is to provide a salt container for softening devices of household appliances, in particular dishwashers, in which a uniform brine concentration which is unaffected by the grain size of the salt added is produced in a simple manner.
  • the object is achieved in the salt container according to the invention in that the salt receiving space of at least one at a flat angle to the horizontal extending partition is crossed, which is provided with at least one opening through which fine-grained salt can trickle through, but not coarse-grained salt, the water supply opening into a brine formation space formed between the partition and the sieve of the salt receiving space.
  • an additional partition wall ensures in a simple manner that when fine-grain salt is poured in, this comes in a loose bed into an additionally created brine formation space between the partition wall and the sieve and can be dissolved there.
  • coarse-grained salt When coarse-grained salt is poured in, this salt remains in the salt collecting area above the separating turn and is dissolved by the amount of water filled in.
  • the brine formed from coarse-grained salt mixes with a remainder of the amount of water filled in, so that the brine concentration is lower, ie reduced to the brine concentration achieved with the fine-grained salt.
  • the salt container known from the prior art, there is the possibility of filling in more salt than is advised to the user as appropriate by means of an instruction manual.
  • the openings in the partition are advantageously designed as slots. This makes it possible to create openings over a greater width of the partition wall, which due to their shape nevertheless only allow fine grain salt to penetrate.
  • the slot-shaped openings extend at least on one side of the salt container up to an inner surface of the side wall of the salt receiving space. This results in better pouring behavior with fine-grained salt and simple production.
  • a maximum brine level is determined by an overflow edge of the brine outlet connection.
  • the salt container is advantageously designed as a one-piece plastic part.
  • the salt container is advantageously designed as a one-piece plastic part.
  • a softening device for household appliances, in particular dishwashers consists of an ion exchanger (not shown) with the necessary supply and discharge lines and a salt container 1 which is filled with salt and into which a predetermined amount of water is introduced from a regeneration water storage container (not shown) to dissolve the salt.
  • the resulting brine is used to regenerate the ion exchanger and is fed to it via a regeneration valve, not shown.
  • the salt container 1 is filled with salt 5 via a filling opening 2, which is closed with a lid 3, and stored in a salt receiving space 4.
  • the salt receiving space 4 is separated by a sieve 6 from a brine collecting space 7, from which a brine outlet line 8 leading to the ion exchanger starts.
  • the salt container 1 according to the invention is traversed by a partition 10 arranged at a flat angle ⁇ , which is provided at intervals with slot-shaped openings 11 through which fine-grained salt 5 can trickle, but coarse-grained salt (not shown) is not let through.
  • a brine formation space 20 is formed, into which the water supply line 9 opens.
  • the slot-shaped openings 11 are designed so that they start from the inner surface 12 of the side wall 13 of the salt receiving space.
  • the salt container 1 according to the invention is filled with fine-grain salt 5. Due to the slightly oblique arrangement of the partition 10, the salt 5 is increasingly collected in the lower right area of the salt receiving space 4 in the drawing. Through the slit-shaped openings 11, the salt 5 reaches the brine formation space 20, that is to say in the direct vicinity of the water supply line 9. If water is supplied, brine formation therefore occurs very quickly and then flows through the sieve 6 into the brine collection space 7. This creates new space in the brine formation space 20, into which fine-grained salt 5 can enter again through the slot-shaped openings.
  • the water introduced via the water supply line 9 naturally also passes through the slot-shaped openings 11 into the salt receiving space 4 and penetrates the fine-grained salt 5 - as far as possible - towards the filling opening 2 arranged above the salt collecting space 4. This also forms brine from the slot-shaped openings 11 is passed through the brine formation space 20 and through the sieve 6 into the brine collection space 7.
  • a maximum brine level 15 is limited by an overflow edge 16 in the brine outlet line 8, which leads to a brine connecting piece 17.
  • the coarse-grained salt remains predominantly in the salt-receiving space 4 above the partition 10.
  • the water introduced via the water feed line 9 passes through the slot-shaped Openings 11 in the salt receiving space 4 and penetrate the coarse-grained salt completely, so that there is a complete dissolution of the coarse-grained salt with a high brine concentration.
  • the brine runs back through the slit-shaped openings 11 into the brine formation space 20, which is filled with water.
  • the salt container 1 with the exception of the lid 3 and the sieve 6 is made as a one-piece plastic part.
  • a salt container 1 is created in a simple manner, in which, regardless of the granularity of the salt added, a brine is formed with a uniform concentration for regenerating the ion exchanger.

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  • Seasonings (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
EP91120770A 1991-01-03 1991-12-03 Salzbehälter für Enthärtungseinrichtungen von Haushaltgeräten, insbesondere Geschirrspülmaschinen Expired - Lifetime EP0493696B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4100067 1991-01-03
DE4100067A DE4100067C2 (de) 1991-01-03 1991-01-03 Salzbehälter für Enthärtungseinrichtungen von Haushaltgeräten, insbesondere Geschirrspülmaschinen

Publications (2)

Publication Number Publication Date
EP0493696A1 EP0493696A1 (de) 1992-07-08
EP0493696B1 true EP0493696B1 (de) 1995-02-15

Family

ID=6422522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91120770A Expired - Lifetime EP0493696B1 (de) 1991-01-03 1991-12-03 Salzbehälter für Enthärtungseinrichtungen von Haushaltgeräten, insbesondere Geschirrspülmaschinen

Country Status (4)

Country Link
EP (1) EP0493696B1 (enExample)
DE (2) DE4100067C2 (enExample)
ES (1) ES2068475T3 (enExample)
TR (1) TR26338A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10311126A1 (de) * 2003-03-12 2004-09-23 Miele & Cie. Kg Wasserenthärter für eine Geschirrspülmaschine
ITTO20110788A1 (it) * 2011-09-02 2013-03-03 Bitron Spa Dispositivo decalcificatore contenente sale anidro

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2038260A (en) * 1932-07-09 1936-04-21 Edward C Chandler Feeder device
CH525160A (de) * 1970-08-10 1972-07-15 Holzer Patent Ag Wasserenthärter, insbesondere für Geschirrspül- und Waschmaschinen
DE2636054C3 (de) * 1976-08-11 1979-11-22 Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart Salzbehälter für Enthärtungseinrichtungen von Haushaltsgeräten, insbesondere Geschirrspül- und Waschmaschinen
DE3303161A1 (de) * 1983-01-31 1984-08-09 Miele & Cie GmbH & Co, 4830 Gütersloh Wasserenthaertungseinrichtung fuer haushaltgeraete, insbesondere fuer geschirrspuelmaschinen
DE3522901A1 (de) * 1985-06-26 1987-01-08 Bosch Siemens Hausgeraete Haushalt-geschirrspuelmaschine
IT1187299B (it) * 1985-09-26 1987-12-23 Zanussi Elettrodomestici Lavastoviglie con addolcitore d'acqua e dispositivo di rigenerazione dello stesso
DE3903915A1 (de) * 1989-02-10 1990-08-16 Licentia Gmbh Salzbehaelter fuer enthaertungseinrichtungen

Also Published As

Publication number Publication date
ES2068475T3 (es) 1995-04-16
DE4100067C2 (de) 1996-06-20
DE59104617D1 (de) 1995-03-23
TR26338A (tr) 1995-03-15
DE4100067C1 (enExample) 1992-06-04
EP0493696A1 (de) 1992-07-08

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