EP0727176A2 - Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung - Google Patents
Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung Download PDFInfo
- Publication number
- EP0727176A2 EP0727176A2 EP96830066A EP96830066A EP0727176A2 EP 0727176 A2 EP0727176 A2 EP 0727176A2 EP 96830066 A EP96830066 A EP 96830066A EP 96830066 A EP96830066 A EP 96830066A EP 0727176 A2 EP0727176 A2 EP 0727176A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- support arm
- sprinkler
- sprinkling assembly
- arm
- washing space
- 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
- 238000005406 washing Methods 0.000 claims abstract description 17
- 230000000284 resting effect Effects 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
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
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/20—Swingable spraying devices
-
- 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
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
- A47L15/23—Rotary spraying devices moved by means of the sprays
Definitions
- the present invention relates to revolving sprinkling assemblies for dishwashers, and in particular to a sprinkling assembly capable of moving also with a reciprocating motion in the horizontal plane.
- the revolving sprinklers of known kind essentially consist in a single revolving device pivoted on a vertical axis central shaft and provided with at least one propulsion nozzle at one end, as well as with other nozzles arranged along said device to sprinkle the dishes contained in the dishwasher rack. Since the rotation axis of said device is fixed, the resulting paths of the nozzles consist in circumferences centered on the rotation axis.
- the above-mentioned device sprinkles always and only the surfaces of the dishes which are along said circular paths, with a limited washing effectiveness.
- the area which can be reached by the water ejected from the nozzles approximately corresponds to the area of the square circumscribed about the circular path of the outermost nozzle.
- the first aspect of the problem has already been dealt with and effectively solved by the applicant through a revolving sprinkling assembly of orbital type.
- Said orbital sprinkler covers a much greater surface of the dishes thanks to the combination of the motion of a lower revolving sprinkler with that of at least another upper revolving sprinkler mounted in an eccentric position on the lower one, this assembly yet retaining the same overall dimension of a conventional sprinkler.
- this effective solution does not allow to reach an area greater than the above-mentioned one, i.e. it can be usefully applied only in the case of a dishwasher whose washing space has a substantially square plan.
- the object of the present invention is to provide a revolving sprinkling assembly which overcomes the above-mentioned limitations of prior art sprinklers.
- the main advantage of the sprinkling assembly according to the present invention is its capacity of sprinkling also the outermost dishes whenever they are arranged in a rectangular washing space.
- a further advantage of the present sprinkler is given by the greater surface directly sprinkled by the jets ejected from the nozzles, thanks to the combination of the revolving motion with the reciprocating motion. In this way, in fact, the nozzle paths have a much more complex development.
- the present sprinkling assembly essentially consists of a vertical feed duct 1, secured to the rear wall of the washing space, at the top of which a support arm 2 is pivoted with a vertical axis and carries at its free end a vertical shaft 3, on which a sprinkler 5 is in turn centrally pivoted.
- This sprinkler 5 has a reduced size with respect to the width of the upper rack 4 , i.e. of the dishwasher.
- Said horizontal reciprocating motion is generated by sprinkler 5 itself due to the distance between the axis of shaft 3 on which it is pivoted and the pivot point of support arm 2 on duct 1.
- the water under pressure passes through duct 1, arm 2 and shaft 3 and reaches sprinkler 5, which revolves due to the effect of at least one propulsion end nozzle 6.
- the inclined jet of said nozzle 6 generates a reaction force which can be broken up into a first component along the X axis of sprinkler 5 and a second component along a direction perpendicular thereto. While this second component is the one which generates the revolution of sprinkler 5, the component along the X axis is discharged on shaft 3 located on the Y axis of the support arm 2.
- sprinkler 5 also includes, in its upper portion 9, washing nozzles 7 which however do not give any contribution to the motion since their jets are substantially vertical.
- the lower portion 10 also includes other propulsion jets 12 oriented as nozzle 6. It should be noted that said nozzles, though defined as propulsion nozzles, also have a washing function, since their jets also have a vertical component.
- their characteristics define the revolving speed of sprinkler 5 and therefore also the frequency and reciprocating speed of the support arm 2, whereby said characteristics are fixed according to the needs so as to obtain a balanced sprinkling assembly provided with a uniform motion.
- the illustrated embodiment concerning a sprinkling assembly secured to the rear wall of the washing space for sprinkling the upper rack has a merely exemplificative purpose, in that the same structure can be applied in several other ways.
- the wall to which duct 1 is secured may be one of the side walls in case the washing space is more long than wide.
- the reciprocating sprinkling assembly may be located also below the lower rack or above the upper one, by overturning it or not according to the desired position. In these cases, duct 1 can even come out directly from the floor or the ceiling of the washing space, arm 2 being consequently shorter.
- sprinkler 5 can be of any kind, in particular also an orbital sprinkler as previously mentioned.
Landscapes
- Washing And Drying Of Tableware (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI950273 | 1995-02-15 | ||
ITMI950273A IT1275155B (it) | 1995-02-15 | 1995-02-15 | Gruppo irroratore girevole per lavastoviglie dotato di moto alternato orizzontale |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0727176A2 true EP0727176A2 (de) | 1996-08-21 |
EP0727176A3 EP0727176A3 (de) | 1996-12-18 |
EP0727176B1 EP0727176B1 (de) | 2000-01-26 |
Family
ID=11370550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96830066A Expired - Lifetime EP0727176B1 (de) | 1995-02-15 | 1996-02-13 | Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0727176B1 (de) |
DE (1) | DE69606334T2 (de) |
ES (1) | ES2143167T3 (de) |
IT (1) | IT1275155B (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1090579A1 (de) * | 1999-10-01 | 2001-04-11 | SMEG S.p.A. | Einheit von rotierenden Düsen für Geschirrspülmaschine ausgestattet mit einer Einrichtung zur horizontalen Verschiebung |
EP1132039A2 (de) * | 2000-03-08 | 2001-09-12 | Bonferraro S.p.A. | Einheit von rotierenden Düsen für Geschirrspülmaschine, mit einer Einrichtung zur horizontalen Verschiebung ausgestattet |
EP1201178A1 (de) * | 2000-10-27 | 2002-05-02 | Bonferraro S.p.A. | Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung |
EP1510168A2 (de) | 2003-08-29 | 2005-03-02 | Electrolux Home Products Corporation N.V. | Sprüharmvorrichtung für eine Geschirrspülmaschine |
EP2494906A1 (de) | 2011-03-01 | 2012-09-05 | Bonferraro S.p.A. | Sprinkleranordnung für Geschirrspüler mit einem schwingenden Zweitsprinkler |
CN105266739A (zh) * | 2015-11-30 | 2016-01-27 | 佛山市顺德区美的洗涤电器制造有限公司 | 洗碗机喷臂装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109620089B (zh) * | 2017-10-09 | 2021-12-07 | 青岛海尔洗碗机有限公司 | 一种洗碗机的喷淋器及洗碗机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB833434A (en) * | 1957-08-21 | 1960-04-27 | Sven Gustaf Nord | Dishwashing apparatus |
FR1223315A (fr) * | 1958-09-16 | 1960-06-16 | Perfectionnements apportés aux machines à laver la vaisselle | |
DE9201941U1 (de) * | 1992-02-15 | 1993-06-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Sprüharm für Haushalt-Geschirrspülmaschinen |
-
1995
- 1995-02-15 IT ITMI950273A patent/IT1275155B/it active IP Right Grant
-
1996
- 1996-02-13 DE DE69606334T patent/DE69606334T2/de not_active Expired - Fee Related
- 1996-02-13 ES ES96830066T patent/ES2143167T3/es not_active Expired - Lifetime
- 1996-02-13 EP EP96830066A patent/EP0727176B1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB833434A (en) * | 1957-08-21 | 1960-04-27 | Sven Gustaf Nord | Dishwashing apparatus |
FR1223315A (fr) * | 1958-09-16 | 1960-06-16 | Perfectionnements apportés aux machines à laver la vaisselle | |
DE9201941U1 (de) * | 1992-02-15 | 1993-06-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Sprüharm für Haushalt-Geschirrspülmaschinen |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1090579A1 (de) * | 1999-10-01 | 2001-04-11 | SMEG S.p.A. | Einheit von rotierenden Düsen für Geschirrspülmaschine ausgestattet mit einer Einrichtung zur horizontalen Verschiebung |
EP1132039A2 (de) * | 2000-03-08 | 2001-09-12 | Bonferraro S.p.A. | Einheit von rotierenden Düsen für Geschirrspülmaschine, mit einer Einrichtung zur horizontalen Verschiebung ausgestattet |
EP1132039A3 (de) * | 2000-03-08 | 2004-03-24 | Bonferraro S.p.A. | Einheit von rotierenden Düsen für Geschirrspülmaschine, mit einer Einrichtung zur horizontalen Verschiebung ausgestattet |
EP1201178A1 (de) * | 2000-10-27 | 2002-05-02 | Bonferraro S.p.A. | Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung |
EP1510168A2 (de) | 2003-08-29 | 2005-03-02 | Electrolux Home Products Corporation N.V. | Sprüharmvorrichtung für eine Geschirrspülmaschine |
EP1510168A3 (de) * | 2003-08-29 | 2006-05-10 | Electrolux Home Products Corporation N.V. | Sprüharmvorrichtung für eine Geschirrspülmaschine |
EP2494906A1 (de) | 2011-03-01 | 2012-09-05 | Bonferraro S.p.A. | Sprinkleranordnung für Geschirrspüler mit einem schwingenden Zweitsprinkler |
CN105266739A (zh) * | 2015-11-30 | 2016-01-27 | 佛山市顺德区美的洗涤电器制造有限公司 | 洗碗机喷臂装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0727176B1 (de) | 2000-01-26 |
ITMI950273A0 (it) | 1995-02-15 |
IT1275155B (it) | 1997-07-30 |
ITMI950273A1 (it) | 1996-08-15 |
EP0727176A3 (de) | 1996-12-18 |
DE69606334T2 (de) | 2000-07-27 |
DE69606334D1 (de) | 2000-03-02 |
ES2143167T3 (es) | 2000-05-01 |
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