EP0524101A1 - Geschirrspülmaschine mit horizontaldrehendem Sprüharm mit zwei stabilen Positionen in vertikaler Richtung - Google Patents
Geschirrspülmaschine mit horizontaldrehendem Sprüharm mit zwei stabilen Positionen in vertikaler Richtung Download PDFInfo
- Publication number
- EP0524101A1 EP0524101A1 EP92402062A EP92402062A EP0524101A1 EP 0524101 A1 EP0524101 A1 EP 0524101A1 EP 92402062 A EP92402062 A EP 92402062A EP 92402062 A EP92402062 A EP 92402062A EP 0524101 A1 EP0524101 A1 EP 0524101A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow shaft
- arm
- stable positions
- liquid
- hand
- 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
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
- A47L15/22—Rotary spraying devices
- A47L15/23—Rotary spraying devices moved by means of the sprays
Definitions
- the present invention relates to a dishwasher with a rotating horizontal spray arm with two stable positions in the vertical direction.
- the horizontal spray arms In a known dishwasher, the horizontal spray arms usually occupy a single position in the vertical direction during operation and rest.
- the present invention makes it possible to produce a dishwasher having at least one horizontal rotating lower spray arm which occupies in the vertical direction two stable positions, that of operation and that of rest.
- a dishwasher provided with a horizontal rotating spraying arm is characterized in that at least one lower rotating horizontal spraying arm is movable along its vertical axis of rotation in two stable positions.
- a dishwasher 1 illustrated schematically and partially in Figure 1 comprises a tank 2, a lower dish basket 3, an upper dish basket 4, a horizontal rotating lower spray arm 6, a horizontal rotating upper spray arm 7, a liquid recycling pump 10, a drain pump 11, a bodywork 15 and a front door 16.
- the recycling pump 10 sucks liquid into the tank 2 through an inlet pipe 18 and discharges it on the one hand through a first outlet pipe 20 in the lower rotating arm d sprinkling 6 and on the other hand through a second outlet pipe 21 in the upper rotating sprinkler arm 7.
- a dishwasher provided with a rotating horizontal spraying arm comprises at least one lower rotating spraying arm, movable along its vertical axis of rotation in two stable positions.
- the horizontal rotating spray arm with two stable positions is vertically displaceable either in a high stable position or in the spray and sealing position of its supply liquid circuit, by means of a flow of liquid sent, during its supply, by a recycling pump, either in a stable low position or rest and / or self-positioning position by means of its own weight in the absence of a current of liquid sent by the recycling pump during an interruption of its liquid supply.
- the horizontal lower rotating spraying arm 6 can be moved vertically along its axis of rotation 23, either in a stable high position shown in solid lines or in a stable low position shown in broken lines.
- the horizontal rotating lower spray arm 6 comprises, perpendicular to its center, a hollow shaft 24 provided at its free end with a flange 25 serving as a stop for multiple purposes, that is to say both as a seal stop and bearing and rest stop and / or self-positioning.
- the hollow shaft 24 of the lower rotating sprinkler arm 6 is mounted on the one hand free to rotate about its vertical axis 23 in an open upper end neck 27 of a stepped tubular support 28 and axially aligned with a terminal nozzle 29 of the outlet pipe 20 of the recycling pump 10, also mounted inside this stepped tubular support 28, coaxial and spaced from this hollow shaft 24, and on the other hand sliding axially in this terminal neck 27 of this support stepped tubular 28 between two limits, the upper limit of which is defined by a meeting between the upper face of the flange 25 and a shoulder 30 of the stepped tubular support 28 and the lower limit is defined by a meeting between the underside of this flange 25 and the end 31 of the nozzle 29 of the pipe 20.
- the hollow shaft 24 comprises a bore having in its central zone a constriction 32 resulting from a diverging convergent shape which allows a stream of liquid sent by the recycling pump 10 and represented by arrows 33 to exert a strong axial thrust on the shaft 24 and to slide it with the horizontal spraying arm 6 from their stable low position or rest position shown in broken lines towards their stable high position or position d sprinkling and sealing their feed liquid circuit shown in solid lines where the flange 25 abuts against the shoulder 30 of the stepped tubular support 28 and simultaneously stops the sliding of the shaft 24 in the end neck 27.
- the liquid stream 33 After passing through the hollow shaft 24, the liquid stream 33 enters the spray arm 6, then exits through holes 37 to water the dishes in the basket 3 and simultaneously rotate the spray arm 6 and its hollow shaft 24 around their axis 23 in a bearing constituted by the end neck 27 of the stepped tubular support 28.
- the flange 25 comprises on its underside a pair of diametrically aligned radial ribs 39, and the end 31 of the terminal nozzle 29 of the pipe 20 is provided with a diametrically aligned radial groove 40 intended to receive these ribs 39.
- these are horizontally slidable mounted from back to front and vice versa in order to remove them partially or completely from the tank 2 through the front opening of the dishwasher 1 or to bring them into this tank 2.
- Outlet stroke limitation stops are usually mounted on the rear side of these dish baskets 3 and 4 to avoid the risk of an involuntary and untimely total removal of these baskets.
- stops for limiting the outlet stroke 42 are formed projecting downwards on the rear part of the lower basket for the dishes 3.
- the operation for removing the basket 3 will be hampered if the lower horizontal spray arm 6 comes to rest across the path of the stops 42, because this spray arm 6 hooks them to the passage.
- a choice of the location of the radial grooves 40 in the end 31 of the terminal nozzle 29 which receive the radial ribs 39 of the flange 25 of the shaft 24 makes it possible to orient the spray arm 6 at rest in one direction from front to back or vice versa and consequently to avoid its catching with the limit stops for the outlet stroke 42 of the lower basket for dishes 3 during a partial or total removal of this latest.
- the radial ribs 39 thus cooperate with the radial grooves 40 of the end 31 of the nozzle 29 and allow the flange 25 to play its role of self-positioning stop of the spray arm 6 putting itself in an orientation which facilitates removal partial or total of the lower dish basket 3 fitted with limit stops for outlet stroke 42.
- the hollow shaft 24 comprises in the central zone of its bore a thrust disc or concentric transverse thrust plate securely held in position by spaced radial arms attached to the internal wall of the shaft 24 , defining on the periphery of this disc or this thrust plate, passage openings for liquid.
- This plate or this thrust disc in the bore of the hollow shaft 24 plays the same role as that of the throttle 32 and allows a stream of liquid 33 sent by the recycling pump 10 to move the hollow shaft axially.
- the end 31 of the terminal nozzle 29 is provided with a pair of diametrically aligned radial ribs similar to the ribs 39 of the example in FIG. 2 while the underside of the flange 25 is provided with a pair of diametrically aligned radial grooves for receiving these radial ribs of the nozzle 29.
Landscapes
- Washing And Drying Of Tableware (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9108951A FR2679120B1 (fr) | 1991-07-16 | 1991-07-16 | Lave-vaisselle a bras horizontal tournant d'arrosage a deux positions stables dans le sens vertical. |
FR9108951 | 1991-07-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0524101A1 true EP0524101A1 (de) | 1993-01-20 |
EP0524101B1 EP0524101B1 (de) | 1995-06-07 |
Family
ID=9415156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19920402062 Expired - Lifetime EP0524101B1 (de) | 1991-07-16 | 1992-07-16 | Geschirrspülmaschine mit horizontaldrehendem Sprüharm mit zwei stabilen Positionen in vertikaler Richtung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0524101B1 (de) |
DE (1) | DE69202829T2 (de) |
ES (1) | ES2073257T3 (de) |
FR (1) | FR2679120B1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120111380A1 (en) * | 2009-07-28 | 2012-05-10 | Electrolux Home Products Corporation N.V. | Spray arm arrangement for a dishwasher |
EP3682787A1 (de) * | 2018-12-28 | 2020-07-22 | Samsung Electronics Co., Ltd. | Geschirrspüler |
CN113226146A (zh) * | 2018-12-28 | 2021-08-06 | 三星电子株式会社 | 餐具清洗机 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010051200B4 (de) * | 2010-11-12 | 2012-06-06 | Belimed Ag | Wascharm-Anordnung für einen mehretagigen Waschgut-Aufnahmewagen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2236468A1 (de) * | 1973-07-10 | 1975-02-07 | Zanussi A Spa Industrie | |
FR2349261A7 (en) * | 1976-04-23 | 1977-11-18 | Bosch Siemens Hausgeraete | Dishwasher with spray arm directed toward crockery tray - has throttle sleeve controlling fluid supply according to crockery load |
DE3428439A1 (de) * | 1984-08-01 | 1986-02-13 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Sprueharmlagerung bei geschirrspuelmaschinen |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3442779A1 (de) * | 1984-11-23 | 1986-06-05 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Spritzvorrichtung fuer eine haushaltgeschirrspuelmaschine |
-
1991
- 1991-07-16 FR FR9108951A patent/FR2679120B1/fr not_active Expired - Fee Related
-
1992
- 1992-07-16 DE DE1992602829 patent/DE69202829T2/de not_active Expired - Fee Related
- 1992-07-16 ES ES92402062T patent/ES2073257T3/es not_active Expired - Lifetime
- 1992-07-16 EP EP19920402062 patent/EP0524101B1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2236468A1 (de) * | 1973-07-10 | 1975-02-07 | Zanussi A Spa Industrie | |
FR2349261A7 (en) * | 1976-04-23 | 1977-11-18 | Bosch Siemens Hausgeraete | Dishwasher with spray arm directed toward crockery tray - has throttle sleeve controlling fluid supply according to crockery load |
DE3428439A1 (de) * | 1984-08-01 | 1986-02-13 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Sprueharmlagerung bei geschirrspuelmaschinen |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120111380A1 (en) * | 2009-07-28 | 2012-05-10 | Electrolux Home Products Corporation N.V. | Spray arm arrangement for a dishwasher |
US9456730B2 (en) * | 2009-07-28 | 2016-10-04 | Electrolux Home Products Corporation N.V. | Spray arm arrangement for a dishwasher |
EP3682787A1 (de) * | 2018-12-28 | 2020-07-22 | Samsung Electronics Co., Ltd. | Geschirrspüler |
CN113226146A (zh) * | 2018-12-28 | 2021-08-06 | 三星电子株式会社 | 餐具清洗机 |
US11737639B2 (en) | 2018-12-28 | 2023-08-29 | Samsung Electronics Co., Ltd. | Dishwasher |
Also Published As
Publication number | Publication date |
---|---|
DE69202829D1 (de) | 1995-07-13 |
EP0524101B1 (de) | 1995-06-07 |
FR2679120A1 (fr) | 1993-01-22 |
FR2679120B1 (fr) | 1995-05-24 |
DE69202829T2 (de) | 1995-10-19 |
ES2073257T3 (es) | 1995-08-01 |
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