EP2912985B1 - Dishwasher - Google Patents

Dishwasher Download PDF

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Publication number
EP2912985B1
EP2912985B1 EP15156665.0A EP15156665A EP2912985B1 EP 2912985 B1 EP2912985 B1 EP 2912985B1 EP 15156665 A EP15156665 A EP 15156665A EP 2912985 B1 EP2912985 B1 EP 2912985B1
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EP
European Patent Office
Prior art keywords
dishes
dish
basket
support
guide
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.)
Active
Application number
EP15156665.0A
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German (de)
English (en)
French (fr)
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EP2912985A1 (en
Inventor
Yoshinori Minamide
Takuhiro MISHIMA
Mamoru Ikeshima
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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Publication of EP2912985A1 publication Critical patent/EP2912985A1/en
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    • 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
    • A47L15/50—Racks ; Baskets
    • 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
    • A47L15/50—Racks ; Baskets
    • A47L15/501—Baskets, e.g. for conveyor-type, in-sink type or hood-type machines

Definitions

  • the present invention relates to a dishwasher for washing dishes, and in particular, to a dish basket in which dishes are placed.
  • Conventional dishwashers hitherto available are configured to wash dishes by spraying washing water to the dishes from a washing nozzle while heating the washing water.
  • FIG. 13 is a sectioned side view of a conventional dishwasher.
  • the conventional dishwasher is constructed of at least housing case 1, washing tub 2, feed valve 3, washing pump 5, washing nozzle 7, heater 8, dish basket 10, drain pump 11, and the like.
  • Door 1a is provided for opening and closing a front side of a main body of the dishwasher for placement and removal of dishes 9.
  • Washing tub 2 is disposed in the dishwasher, in which cold or hot water is supplied by feed valve 3. Drain port 4 is formed in a bottom portion of washing tub 2.
  • Washing pump 5 is mounted in communication with drain port 4, and driven by a motor. Washing pump 5 thus circulates the washing water inside washing tub 2 by spraying it from washing nozzle 7, and washes dishes 9 and the like.
  • Drain port 4 is provided with food waste filter 6 for collecting food waste washed off from dishes 9.
  • washing waster liquids used in the steps of washing and rinsing the objects to be washed such as dishes 9 placed in washing tub 2 are collectively called as "washing waster”.
  • the washing water is supplied when feed valve 3 is opened, and retained in washing tub 2.
  • the retained washing water is sucked into washing pump 5 after passing through food waste filter 6.
  • the sucked washing water is pumped into washing nozzle 7 disposed in washing tub 2 by washing pump 5.
  • the supplied washing water is sprayed toward dishes 9 from washing nozzle 7.
  • the washing water sprayed from washing nozzle 7 circulates through a path in which it returns again to drain port 4 after dishes 9 are washed.
  • the washing water in the dishwasher circulates and washes dishes 9, as described above.
  • heater 8 is disposed between washing nozzle 7 and the bottom portion of washing tub 2, as shown in FIG. 13 , and heats the washing water.
  • heater 8 is energized at about the same time with the start of washing pump 5 and heats the washing water in the washing step, after the washing water is supplied to a predetermined water level in washing tub 2. As a result, the washing water is heated up to about 60°C while being circulated inside washing tub 2.
  • Dish basket 10 is configured to keep dishes 9 arranged in an orderly manner, and disposed above washing nozzle 7. With this structure, the dishwasher can spray the washing water effectively against dishes 9 placed in dish basket 10, and wash them efficiently.
  • Drain pump 11 is configured to drain the washing water to the outside of the dishwasher through drain hose 12 after dishes 9 are washed.
  • blower fan 13 for taking fresh air into washing tub 2 and control unit 15 for controlling and executing a series of washing operation are disposed in a bottom space of the main body of the dishwasher.
  • Thermistor 14 is disposed outside of drain port 4 for sensing a temperature of the washing water.
  • the dishwasher constructed as above operates in a manner which is described briefly hereinafter. Note that the operation of the dishwasher is controlled by control unit 15.
  • control unit 15 of the dishwasher carries out a washing step for washing off soils of food adhering to dishes 9.
  • washing water containing detergent is sprayed from washing nozzle 7 while the detergent, dispensed beforehand into washing tub 2, is being dissolved. The soils adhering to dishes 9 are thus washed off.
  • control unit 15 drains the washing water containing soils, and replaces with clean washing water. Then, control unit 15 carries out a rinsing step to rinse the detergent out of dishes 9.
  • control unit 15 carries out a hot-rinsing step in which the washing water is heated to 70°C to 80°C, for instance, with heater 8, and rinses with the clean heated water of high temperatures.
  • the washing water is heated to 70°C to 80°C, for instance, with heater 8, and rinses with the clean heated water of high temperatures.
  • control unit 15 carries out a drying step.
  • fresh air is taken into washing tub 2 with blower fan 13.
  • the fresh air taken in this step is supplied toward and around dishes 9 after it is heated with heater 8.
  • This step dries drops of water that stay on dishes 9, and hence dishes 9 are dried.
  • the operation of the dishwasher is performed as described above.
  • a typical dish basket includes a main basket made of a wire, and a dish-setting basket made of a resin which is configured removable and used in combination with the main basket.
  • FIG. 14 is a perspective view of the dish basket of the conventional dishwasher
  • FIG. 15 is a plan view of a main part of a dish-setting basket made of a resin for the conventional dishwasher.
  • conventional dish basket 10 is formed from frame structure 10a of a latticed shape made of a wire, for instance.
  • Frame structure 10a has plate-setting section 16 disposed in one area where plates and the like dishes are placed vertically on their sides (e.g., in a radial direction of the plates).
  • Plate-setting section 16 is provided with support pins 16a that are formed of upwardly protruding wires to support the plates from the front and back sides (i.e., in a holding direction).
  • dish basket 10 has such a structure that lattice-shaped spaces formed with the wires are widened to a largest extent possible in order to efficiently splash the washing water sprayed from washing nozzle 7 against dishes 9.
  • dish basket 10 has dish-setting basket 17 made of a resin for accommodating bowls and plates, and it is disposed removably.
  • Dish-setting basket 17 is provided with a large number of support pins 18 having a plurality of protruding shapes and the like in a left-to-right direction (i.e., the lengthwise direction of dish basket 10) as well as a front-to-back direction (i.e., the crosswise direction of dish basket 10).
  • Dish-setting basket 17 thus configured is capable of accommodating bowls and plates of various sizes and shapes.
  • a user places bowls and the like dishes in various supporting positions by using the plurality of support pins 18 when placing the bowls and the like dishes in dish-setting basket 17, as shown in FIG. 15 . Accordingly, dishes 9 of various sizes and shapes can be placed stably in dish-setting basket 17.
  • dish-setting basket 17 formed of the resin can provide the user with soft feel to the touch when placing the dishes. Moreover, it also has an advantage of not inflicting any pain even if the user hits her fingers against support pins 18.
  • dish-setting basket 17 is made of a resin, however, it is necessary that the lattice-shaped frame structure is formed thicker to ensure the strength as compared with the dish basket made of wires. This gives rise to a problem that the frame structure of dish-setting basket 17 is prone to getting wet with drops of water, which leads to a decrease in the drying efficiency.
  • the frame structure of dish-setting basket 17 is formed generally into an arc shape in cross section. Accordingly, dish-setting basket 17 can prevent the water from collecting on an upper surface of the frame structure, and help drops of the water to easily drip downward.
  • a structure of the above dish basket will be description hereinafter with reference to FIG. 16 and FIG. 17 .
  • FIG. 16 is a perspective view of the dish basket of a conventional dishwasher
  • FIG. 17 is a sectional view taken along a line 17 - 17 of FIG. 16 .
  • ribs 22a that imitate the horizontally sectioned shape of the glass include a plurality of support portions on which upper lips of openings of glasses rest, such that the support portions are formed with an inclination on the same plane as an inclined surface of grid 22a1 as shown in FIG. 17 .
  • ribs 22a are formed on the same plane as the inclined surface of grid 22a1. Therefore, when a flat plate or the like dish other than glass is placed in setting section 22 designed for placement of tall glasses and cups, for instance, a brim of the plate comes into contact with ribs 22a so that a space between portions serving as supporting points of the plate is narrow. In other words, it is not possible to place flat plates and the like dishes stably in setting section 22 for glassware. As a result, plates and the like dishes placed in setting section 22 during washing cannot be cleaned effectively.
  • the conventional dish basket has had a problem that the ribs, which are formed to imitate sectional shapes of dishes to be placed for the purpose of showing kinds of the placeable dishes and their orientations of placement, do work contrary to the intention such that they limit the kinds of dishes that can be placed.
  • FR 2 915 362 A1 discloses a dish basket having a series of polypropylene cradles spaced from one another, where each cradle extends in complex surfaces inclined with respect to a bottom of the dish basket.
  • JP H07 67 826 A discloses a washing/drying machine comprising tableware baskets.
  • the tableware baskets are arranged in upper and lower stages, such that a standard tableware group of a corresponding meal may be arranged in the same way.
  • EP 2 907 442 A1 discloses a dishwasher including a dish basket in which a dish is placed standing upward on an edge of the dish.
  • the dish basket includes: supporting members which support the dish in at least two positions; and a connecting member which connects the supporting members.
  • the connecting member has, between the supporting members, a shape which imitates a sectional shape of the dish having a dish base, and has a protruding shape on a face of the connecting member opposite to another face confronting the dish base of the dish at a position corresponding to the dish base.
  • the present invention provides a dishwasher that is equipped with a dish basket capable of holding different kinds of dishes in a same space, and has excellent usability.
  • the dishwasher of the present invention includes a housing case, a washing tub disposed in the housing case, and a dish basket disposed in the washing tub for receiving dishes.
  • the dish basket has setting sections that are divided according to kinds of the dishes, and at least one of the setting sections includes a support portion for supporting the dishes from underside, and a guide-shaped portion that imitates a sectional shape or an outline of the dishes.
  • a support plane that includes the support portion on a horizontal plane, and a guide-shaped plane that includes the guide-shaped portion on another horizontal plane are disposed at different positions.
  • This configuration helps a user to intuitively recognize a kind of dishes that can be placed in the dish basket and an orientation of placement. It also becomes possible that dishes of different kinds can be placed stably in one area. As a result, the invention can enhance ease of placing dishes in the dish basket, and achieve the dishwasher that is excellent in usability and demonstrates fundamental washing performance.
  • FIG. 1 is a sectioned side view of the dishwasher according to the first exemplary embodiment of this invention.
  • the dishwasher of this exemplary embodiment specifically represents a counter-top type dishwasher installed on a kitchen counter, for example.
  • FIG. 2 is a perspective view of the dish basket of the dishwasher according to this exemplary embodiment
  • FIG. 3 is a plan view of the dish basket.
  • FIG. 4 is a plan view of a dish-setting basket of the dishwasher according to this exemplary embodiment
  • FIG. 5 and FIG. 6 are perspective views of the dish-setting basket.
  • FIG. 7 is a perspective view of a main part of the dish-setting basket of the dishwasher according to this embodiment.
  • FIG. 4 through FIG. 7 illustrate certain kinds of dishes 9, and more specifically, they show dishes 9 of such kinds as large bowls A, medium-sized plates B, small plates C, glasses D, and small bowls E.
  • glasses D also include teacups, not shown in the figures, as one kind of dishes 9.
  • large plates F, slim utensils and cutlery G such as chopsticks, spoons and forks, small items J such as sake cups, and kitchen knives K are also included in dishes 9.
  • the differences of the plates distinguished by their sizes are not strictly defined, but they are merely relative differences in the sizes within the limits that can be accommodated in washing tub 2, as a matter of course.
  • Dish basket 23 of this exemplary embodiment includes at least frame structure 24, dish-setting basket 25, and small-item basket 26, as shown in FIG. 2 and FIG. 3 .
  • Frame structure 24 is made of a wire, for instance.
  • Dish-setting basket 25 is configured to be removable from frame structure 24, and has a plurality of setting sections formed into a single piece from a resin such as polypropylenes (PP).
  • Small-item basket 26 accommodates cutlery G, for instance, in upright positions.
  • direction X of an arrow shown in each of the figures of dish basket 23 corresponds to a direction of front side of the dishwasher on which door 1a is disposed.
  • dish basket 23 can be pulled out from washing tub 2 in the direction X of the arrow.
  • dish-setting basket 25 of dish basket 23 is formed of a frame structure that has a combination of longitudinal grids 25a in the longitudinal direction (i.e., the direction X) and lateral grids 25b in the lateral direction (i.e., an orthogonal direction to the direction X), that are molded of a resin such as PP into a single piece.
  • Dish-setting basket 25 is provided with a plurality of setting sections divided according to kinds of the dishes.
  • dish-setting basket 25 has setting section 27 for large bowls A, setting section 28a for medium-sized plates B, setting section 28b for cutlery G, and setting section 29 for accommodating any of small plates C and glasses D, as an example.
  • small bowls E shown in FIG. 7 are accommodated usually in setting section 27 since they are similar in shapes to large bowls A.
  • frame structure 24 includes setting section 24a for large plates F in an area not occupied by dish-setting basket 25 and small-item basket 26, as shown in FIG. 2 and FIG. 3 .
  • a basic structure of setting section 24a for large plates F is similar to the conventional dish basket described with reference to FIG. 13 .
  • the dishes such as large bowls A, medium-sized plates B, small plates C, small bowls E, large plates F and the like are placed standing sideways in their respective setting sections such that their diametral planes are in the vertical direction. Glasses D are turned over with their lips down on setting section 29.
  • FIG. 4 and FIG. 7 pertains to a state of large bowls A or small bowls E placed in setting section 27 of dish-setting basket 25.
  • Setting section 27 is made up from support members 30 constructed of two confronting lateral grids 25b, and ribs 31. Ribs 31 are formed from a plurality of arc-shaped rows, for instance, that connect between two support members 30. Support members 30 also include support portions 30a and support pins 30b that are contiguous to ribs 31, as shown in FIG. 7 . Support portions 30a support two positions at an outer periphery, or the brim of each of small bowls E that are placed standing sideways, from the underside. Support pins 30b are so formed as to protrude upward from support portions 30a. With this structure, each of small bowls E, for example, is supported by two positions of support points P1 and two positions of support points P2 shown in FIG.
  • support pins 30b of the first row at the brim side of small bowl E support the two lower positions of the outer periphery, i.e., the brim of small bowl E, in combination with support portions 30a at respective support points P1 from the front side.
  • support pins 30b of the second row support outer periphery of small bowl E from the backside at support points P2. As a result, small bowl E can be placed stably in setting section 27.
  • Center portion 31a of arc-shaped rib 31 has a protrusion that imitates a shape of a dish base. Because of this structure, rib 31 forms a guide-shaped portion that imitates a sectional shape (i.e., a sectional shape that is vertically sectioned in the position of use) of large bowl A or small bowl E to be placed, when viewed from the above, as shown in FIG. 4 . As a result, the user can intuitively recognize that dishes 9 placeable in setting section 29 are large bowls A or small bowls E having similar shapes and their orientations of placement, according to a shape of the guide-shaped portion formed of rib 31.
  • setting section 29 is configured to provide a single area that can be shared by two kinds of dishes having differences in shapes and methods of placement.
  • FIG. 8 is a sectional view taken along a line 8 - 8 of FIG. 4
  • FIG. 9 is a sectional view taken along a line 9 - 9 of FIG. 4 .
  • Described first is a state of small plates C placed in setting section 29 of dish-setting basket 25.
  • Setting section 29 is made up from support portions 32 (i.e., second support portions) constructed of two confronting lateral grids 25b, which are different from support members 30 in setting section 27 where small bowls E are placed, and ribs 33 (i.e., second guide-shaped portions) formed from a plurality of longitudinal grids 25a.
  • setting section 29 is made up from support portions 32, support pins 32a, and support pins 32b.
  • Support portions 32 are constructed of lateral grids 25b, as described above, and support two positions at an outer periphery of each of small plates C that are placed standing sideways, from the underside.
  • Support pins 32a are formed at predetermined intervals on support portions 32, and support outer surfaces of small plates C from the backside.
  • Support pins 32b are shorter in length of the height direction than support pins 32a, disposed between support pins 32a, and support opening brims of small plates C from the front side.
  • Ribs 33 formed of longitudinal grids 25a connect support portions 32 into a ladder-like shape.
  • each of ribs 33 in setting section 29 is so formed that lower center portion 33b bulges out downward into an arc shape as shown in FIG. 5 . Accordingly, each rib 33 forms a second guide-shaped portion that imitates an outer shape of small plate C to be placed, when rib 33 is viewed from one side orthogonal to the direction X.
  • Setting section 29 includes ribs 33 (i.e., first support portions), which are also used commonly as ribs 33 (i.e., the second guide-shaped portions) for placement of small plates C, support pins 34 formed to protrude upward, and ring-shaped ribs 35 (i.e., first guide-shaped portions).
  • Ribs 33 in setting section 29 serve as the first support portions when glasses D are placed, whereas they also serve as the second guide-shaped portions when small plates C are placed.
  • ribs 33 are configured to serve both as the first support portions and the second guide-shaped portions in setting section 29.
  • Support pins 34 and ring-shaped ribs 35 are disposed in parallel to and in a same line with longitudinal grids 25a between support portions 32 (i.e., the second support portions).
  • ribs 33 that serve as the first support portions or the second guide-shaped portions are inclined to one side between support portions 32, as shown in FIG. 9 . Therefore, glasses D can be supported stably by support pins 34 from the insides with a slight inclination, when glasses D are placed in inverted positions from above support pins 34.
  • Support pins 34 are preferably disposed near ring-shaped ribs 35 at one side that is the higher position of inclined ribs 33.
  • ribs 33 provided with the inclination serve as the first support portions of the openings of glasses D, as well as the second guide-shaped portions of small plates C, as illustrated above.
  • adjoining combinations of support pins 34 that support the inner sides of glasses D and ring-shaped ribs 35 that form guide-shaped portions are disposed alternately with middle rib 33a interposed between two ribs 33.
  • positions of placing glasses D can be identified explicitly by ring-shaped ribs 35.
  • ring-shaped ribs 35 form the guide-shaped portions that imitate an outline of the opening or a cross-sectional shape of the cylindrical body of glasses D to be placed, when dish-setting basket 25 is viewed from the upper side, as shown in FIG. 4 .
  • both these planes are formed into approximately horizontal (including strictly horizontal), as shown in FIG. 8 .
  • Guide-shaped plane W2 constitutes a different plane from support plane W1, and is located below support plane W1 by a predetermined distance "h".
  • This structure can be configured so that lower edge C1 of the brim of small plate C does not come into contact with any of ring-shaped ribs 35, when the predetermined distance "h" is set with consideration given to diameters of small plates C.
  • this structure can avoid the outer brims of small plates C from coming into contact with ring-shaped ribs 35 that serve as the guide-shaped portions of glasses D, even when the user places small plates C that are dishes 9 of completely different in shapes and methods of placement from those of glasses D into setting section 29. It is thus possible for small plates C to be placed stably into setting section 29 of dish-setting basket 25. As a result, it enhances the ease of placing dishes 9 in dish basket 10.
  • setting section 28a of dish-setting basket 25 includes support members 36, support pins 37, support pins 38 and ribs 39.
  • Support members 36 are disposed at four locations, for instance, and two support members 36 at inner sides support outer brims of medium-sized plates B from the underside.
  • Support pins 37 are formed on support members 36 at outer sides, and support medium-sized plates B from the backside.
  • Support pins 38 are formed on support members 36 at the inner sides, and support medium-sized plates B from the front side.
  • Each of ribs 39 that connects support pins 37 is formed into an arc shape with center portion 39a curved downward, and it connects between support pins 37. With this structure, each of the arc-shaped ribs 39 forms a guide-shaped portion that imitates an outer shape of medium-sized plate B to be placed.
  • setting section 28b of dish-setting basket 25 is formed into a lattice shape from longitudinal grids 25a and lateral grids 25b, and it is provided between setting section 27 and setting section 29.
  • Each of longitudinal grids 25a has such a shape that center portion 25a1 is curved downward when viewed from one side orthogonal to the direction X, as shown in FIG. 8 and FIG. 9 .
  • setting section 28b is formed between setting section 27 for large bowls A and setting section 29 for glasses D, at a position slightly lower than both setting sections 27 and 29. Therefore, when dishes such as round plates are placed in setting sections 27 and 29, there is a free space that becomes available in an area above setting section 28b.
  • Dish-setting basket 25 of this exemplary embodiment makes effective use of this free space by providing setting section 28b.
  • This structure allows setting section 28b to accommodate cutlery G laid down in their horizontal positions, instead of an ordinary manner of placing cutlery G in upright positions in small-item basket 26.
  • more pieces of cutlery G can be accommodated in dish-setting basket 25.
  • small items J such as sake cups and demitasse cups can also be accommodated stably in setting section 28b without using setting section 29 for glasses D.
  • dish-setting basket 25 that can accommodate much more pieces of dishes with various shapes.
  • FIG. 10A is a perspective view of the dish basket of the dishwasher in this exemplary embodiment
  • FIG. 10B is a perspective view of a main part of the dish-setting basket.
  • FIG. 10A illustrates a state wherein kitchen knife K is placed.
  • setting section 29 of dish-setting basket 25 includes ribs 33 constructed from lateral grids 25b for supporting glasses D, and longitudinal grids 25a that are arranged one after another in a row to form middle ribs 33a, as shown in FIG. 10A and FIG. 10B .
  • Longitudinal grids 25a are provided with thin grooves 25c formed in a lateral direction (i.e., the same direction as lateral grids 25b) at predetermined positions for setting blades of kitchen knives K.
  • setting section 29 includes knife support portion 25d formed in a position adjacent to where the points of kitchen knives K stay located. A knife setting section is thus constructed within setting section 29, as described above.
  • kitchen knives K can be placed stably in grooves 25c without causing the blades of kitchen knives K to slide.
  • knife support portion 25d and small-item basket 26 can help support kitchen knives K stably by preventing them from toppling over.
  • setting section 29 of dish-setting basket 25 in this exemplary embodiment further includes a setting section for kitchen knives, and that the knife setting section is disposed in a conspicuous position at the front side of dish basket 23 in the direction X, that is a direction of sliding out dish basket 23.
  • kitchen knives K can be held and accommodated safely inside dish-setting basket 25 of dish basket 23.
  • the dish basket of the dishwasher in this exemplary embodiment is constructed as illustrated above.
  • the dishwasher according to this exemplary embodiment operates and functions in a manner which is described below.
  • dish-setting basket 25 is provided with ribs 31, 33, 35 and 39 that respectively imitate shapes of large bowls A, small plates C, glasses D and medium-sized plates B as the guide-shaped portions in their setting positions. The user can thus intuitively recognize the positions and orientations of dishes 9 to be placed by the help of the guide-shaped portions. By virtue of this structure, the user can save time for preparation by efficiently placing dishes 9 in dish basket 23.
  • the dish-setting basket 25 is so configured that small plates C and glasses D of different shapes can be placed in setting section 29 of the same single area, for instance.
  • setting section 29 is provided with guide-shaped portions that imitate the individual types of dishes.
  • setting section 29 has the guide-shaped plane W2 for glasses D located at a position lower than the support plane W1 for supporting brims (outer periphery) of small plates C only by the predetermined distance "h" (i.e., a distance sufficient to keep the brims of small plates C free from contacting).
  • This structure can avoid contact between ring-shaped ribs 35 that form the guide-shaped portions of glasses D and small plates C, thereby preventing ribs 35 from interfering with placement of small plates C.
  • any of small plates C and glasses D can be placed stably in setting section 29 regardless of the types of dishes being placed.
  • the dishwasher of this exemplary embodiment sets a spraying direction of the washing water such that the washing water is sprayed accurately to dishes 9 when placed properly in their setting positions. Therefore, there exists a possibility that the washing water is not splashed vigorously against dishes 9 if placed in improper positions or improper orientations, and this causes a decrease in the washing efficiency. According to this exemplary embodiment, however, the user can intuitively recognize the positions and orientations of dishes 9 to be placed by means of the guide-shaped portions, and place dishes 9 accordingly in the individual setting sections without an error in the orientations of placement. Dishes 9 thus placed correctly in the proper positions and orientations can be washed by the washing water more appropriately. As a result, the dishwasher can demonstrate the fundamental washing performance, and wash the dishes effectively.
  • dish-setting basket 25 is formed of a resin into a single-piece structure.
  • the individual support portions and the like elements are connected with ribs that form the guide-shaped portions.
  • the structure contributes to improvement of the robustness of dish-setting basket 25.
  • shapes of the ribs that form the individual guide-shaped portions are not necessarily limited to the above structures described in this exemplary embodiment.
  • the shapes of the individual ribs may be modified according to the design of the dish basket and types of the dishes to be placed, for example.
  • dish-setting basket 25 is formed of a resin, and the individual ribs are constructed from the resin, this is not restrictive. Dish-setting basket 25 and the individual ribs may be constructed from wires or metal materials, which can also provide equivalent advantageous effectiveness.
  • the structure includes support points P1 and P2 at two locations for supporting dishes 9 from the underside and the backsides, this is again not restrictive. There may be just one point, or three or more support points on the backsides, for instance, so long as they can support the dishes stably.
  • each of the guide-shaped portions formed of the individual ribs and relative positions of the support portions for supporting the dishes described in this exemplary embodiment are also not restricted only to the above-described protruding directions and configurations.
  • Their directions and configurations, for example, can be of any forms so long as the structures are capable of ensuring sufficient spaces for setting the dishes of different kinds.
  • FIG. 11A is a plan view of a dish-setting basket of the dishwasher according to the second exemplary embodiment of this invention
  • FIG. 11B is a sectioned perspective view taken along a line 11B - 11B of FIG. 11A .
  • the dishwasher of this exemplary embodiment is different from the first exemplary embodiment in an aspect that ribs 310, i.e., guide-shaped portions that imitate a shape of dish bases of large bowls A, for instance, in setting section 27 of dish-setting basket 25 are formed with an inclination, as compared with horizontally formed ribs 31.
  • ribs 310 i.e., guide-shaped portions that imitate a shape of dish bases of large bowls A, for instance, in setting section 27 of dish-setting basket 25 are formed with an inclination, as compared with horizontally formed ribs 31.
  • ribs 310 are inclined either upward or downward with respect to a vertical direction from portions connected to support pins 30b provided on support portions 30a toward center portions 310a of ribs 310, on which dish-base shapes of large bowls A, for instance, are formed.
  • ribs 310 are so formed as to appear thinner, in a plan view, as compared with ribs 31 of the first exemplary embodiment. Therefore, an amount of the washing water blocked by ribs 310 is reduced. As a result, this structure helps spray more amount of the washing water to the dishes such as large bowls A, and further increase the washing efficiency.
  • the structure having ribs 310 formed entirely with the inclination can help the drops of water adhering to ribs 310 to run down easily. It thus improves the capability of drip-drying the drops of water adhering to ribs 310 of the dish basket, and, as a result, it can improve the drying efficiency of the dishwasher.
  • the lateral grids and the longitudinal grids configure support members and the support portions of individual setting sections.
  • FIG. 12A is a perspective view of a main part of the dish-setting basket of the dishwasher according to the third exemplary embodiment of the present invention
  • FIG. 12B is a sectioned perspective view taken along a line 12B - 12B of FIG. 12A .
  • FIG. 12A illustrates an appearance of dish-setting basket 25 in the vicinity of setting section 27 and setting section 28b as viewed from diagonally below.
  • FIG. 12B illustrates a sectional shape in a vertical direction of lateral grids 25b of setting section 28a.
  • the dishwasher of this exemplary embodiment differs from any of the above exemplary embodiments in an aspect that water-dripping portions 40 of a slender triangular shape, for instance, are provided on underside faces 25b2 of longitudinal grids 25a and lateral grids 25b along longitudinal directions of longitudinal grids 25a and lateral grids 25b, as shown in FIG. 12A .
  • Additional aspect that is different from the above exemplary embodiments is that upper side faces 25b1 of lateral grids 25b are formed into an arc shape, and underside faces 25b2 are formed into a triangular shape, as shown by the sectional shape in the vertical direction of lateral grids 25b in FIG. 12B .
  • underside faces 25b2 of longitudinal grids 25a and lateral grids 25b are formed to extend toward their longitudinal directions and downward into the triangular shape, for instance.
  • water-dripping portions 40 are formed individually between support pins 30b along underside faces 25b2 in the longitudinal direction of lateral grids 25b, and they are formed continuously in a wavy shape or waveform, for instance, over the entire longitudinal direction. Triangularly shaped water-dripping portions 40 may also be formed into a wavy shape or waveform, for instance, entirely or partially on the underside faces of longitudinal grids 25a and the individual rib portions.
  • the washing water that pours over dish basket 23 runs down smoothly from arc-shaped faces 25b1 of lateral grids 25b along underside faces 25b2 formed into the triangular shape, for example.
  • the washing water runs down in the form of drops of water, in particular, the drops of water first flow in the vertical direction along triangularly shaped underside faces 25b2 from arc-shaped faces 25b1.
  • the drops of water that have reached underside faces 25b2 further flow through the lower edges and proximities of triangularly shaped water-dripping portions 40 toward the vertices, or the lowest points of the triangles.
  • the drops of water merge and their sizes grow gradually in the areas where water-dripping portions 40 are formed, as they flow through the lower edges of the triangles in cross section of water-dripping portions 40.
  • the drops of water pouring down over lateral grids 25b and longitudinal grids 25a become more easily to drip down from the vertices and their proximities of the triangles in the longitudinal direction of water-dripping portions 40.
  • the above structure can further facilitate the drops of water to drip down by letting them merge through the triangles in the longitudinal direction of water-dripping portions 40, even though the drops of water tend to stay adhering to the edges of underside faces 25b2 of lateral grids 25b due to the surface tension, if water-dripping portions 40 are not provided.
  • This structure hence reduces an amount of the drops of water that stays in and all around dish-setting basket 25. As a result, it promotes evaporation of the moisture from dishes 9, and further improves the drying efficiency of the dishwasher.
  • water-dripping portions 40 provided on longitudinal grids 25a
  • the structure and function of water-dripping portions 40 on longitudinal grids 25a are also similar to those of water-dripping portions 40 of lateral grids 25b.
  • a wire used to make a frame structure may be formed into a waveform that configures a zigzag pattern in the vertical direction. Such a structure can provide similar advantages as the water-dripping portions formed of the resin.
  • the description provided above is an example in which the water-dripping portions are formed into straight-sided triangles in the longitudinal direction and in the cross-sectional shape, these are not restrictive.
  • the water-dripping portions may be formed into an arc shape, for instance, or any other shapes as long as they can make the drops of water gather around lower ends of the water-dripping portions.
  • the dishwasher of the present invention includes a housing case, a washing tub disposed in the housing case, and a dish basket disposed in the washing tub for receiving dishes.
  • the dish basket has setting sections that are divided according to kinds of the dishes, and at least one of the setting sections includes a support portion for supporting the dishes from the underside, and a guide-shaped portion that imitates a sectional shape or an outline of any of the dishes.
  • a support plane that includes the support portion on one plane, and a guide-shaped plane that includes the guide-shaped portion on another plane are disposed at different positions.
  • This configuration helps the user to intuitively recognize a kind of dishes that can be placed in the dish basket and an orientation of placement. It also becomes possible that dishes of different kinds can be placed stably in one area. As a result, the invention can enhance ease of placing dishes in the dish basket, and achieve the dishwasher that is excellent in the usability and demonstrates the fundamental washing performance.
  • the dish basket may have the guide-shaped plane disposed below the support plane.
  • the guide-shaped portion may be formed into an outline or a sectional shape of glasses or cups, so that any dishes of similar shapes to the glasses or cups can be turned over on the support portion.
  • the kinds of dishes that can be placed in the dish basket are glasses or cups. It also becomes possible to stably place dishes without causing them to come into contact with the guide-shaped portion, even if the dishes being placed have different shapes from the glasses. As a result, it achieves an improvement in the setting efficiency of the dishes into the dish basket.
  • the support portion is defined as a first support portion
  • the dish basket may further includes a second support portion where dishes having different shapes from the glasses are placed, and is configured such that an area where the first support portion is formed, and another area where the second support portion is formed overlap with each other to share a same space.
  • the dishwasher of this invention may be so configured that the guide-shaped portion is defined as a first guide-shaped portion, and further include a second guide-shaped portion that imitates a sectional shape or an outline of the dishes to be placed on the second support portion.
  • the dish basket of the dishwasher of this invention has a longitudinal grid and a lateral grid to make up the support portion, and it may be provided with a water-dripping portion on the underside of at least one of the longitudinal grid and the lateral grid.
  • This structure facilitates drops of water to drip down from the underside of the longitudinal grid or the lateral grid, and reduces an amount of the drops of water that stays in and all around the dish basket. As a result, it promotes evaporation of the moisture adhering to the dishes, and improves the drying efficiency of the dishwasher.
  • the dish basket of the dishwasher of this invention may have grooves formed in a lateral direction at predetermined positions of the longitudinal grids that are arranged laterally in a row, and a knife setting section is provided where a blade of a kitchen knife is placed in the grooves.
  • the kitchen knife can be placed stably in the grooves, and kept safely without causing the blade of the kitchen knife to slip.
  • At least one of the setting sections is configured to accommodate small bowls, and the setting section is provided with an arc-shaped rib to make up a guide-shaped portion that imitates a sectional shape of the small bowls, and that the arc-shaped rib may be inclined in the vertical direction.
  • the rib is thus formed to appear thinner in a plan view, as compared with a rib provided horizontally. An amount of the washing water blocked by the rib therefore becomes reduced. As a result, this structure helps spray more amount of the washing water to the bowl-shaped dishes, and further improve the washing efficiency.

Landscapes

  • Washing And Drying Of Tableware (AREA)
EP15156665.0A 2014-02-28 2015-02-26 Dishwasher Active EP2912985B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014037862A JP6442704B2 (ja) 2014-02-28 2014-02-28 食器洗い機

Publications (2)

Publication Number Publication Date
EP2912985A1 EP2912985A1 (en) 2015-09-02
EP2912985B1 true EP2912985B1 (en) 2018-05-23

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EP15156665.0A Active EP2912985B1 (en) 2014-02-28 2015-02-26 Dishwasher

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EP (1) EP2912985B1 (zh)
JP (1) JP6442704B2 (zh)
KR (1) KR20150102708A (zh)
CN (1) CN104873156B (zh)
TW (1) TW201544064A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI645826B (zh) * 2016-12-29 2019-01-01 日商馬獅達克股份有限公司 杯洗淨裝置
CN113116271B (zh) * 2020-01-14 2023-02-28 宁波方太厨具有限公司 一种清洗控制方法和装置以及清洗机
DE102020106827A1 (de) * 2020-03-12 2021-09-16 Miele & Cie. Kg Besteckschublade für eine Geschirrspülmaschine

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP2907442A1 (en) * 2012-10-10 2015-08-19 Panasonic Intellectual Property Management Co., Ltd. Tableware washing apparatus

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JPS5374345U (zh) * 1976-11-17 1978-06-21
JPH0417096Y2 (zh) * 1987-12-01 1992-04-16
JP3114178B2 (ja) 1990-01-19 2000-12-04 松下電器産業株式会社 食器洗い機
JPH0767826A (ja) * 1993-08-31 1995-03-14 Sanyo Electric Co Ltd 食器洗い乾燥機
JP3043630U (ja) * 1997-04-11 1997-11-28 エコラボ インコーポレイテッド コンビネーションラック
JP3545356B2 (ja) * 2001-04-06 2004-07-21 三洋電機株式会社 食器洗い機
JP2006055353A (ja) * 2004-08-19 2006-03-02 Sanyo Electric Co Ltd 食器洗い機および補助カゴ
DE102004057018A1 (de) * 2004-11-25 2006-06-01 BSH Bosch und Siemens Hausgeräte GmbH Spülgutträger für eine Geschirrspülmaschine
JP2008125701A (ja) * 2006-11-20 2008-06-05 Matsushita Electric Ind Co Ltd 食器洗い機
FR2915362B1 (fr) * 2007-04-25 2012-08-17 Brandt Ind Structure de support d'assiettes dans un panier a vaisselle pour lave-vaisselle
ITTO20110745A1 (it) * 2011-08-05 2013-02-06 Indesit Co Spa Cassetto per una vasca di una lavastoviglie comprendente un telaio perimetrale estraibile da detta vasca
DE102011080842B4 (de) * 2011-08-11 2016-06-23 BSH Hausgeräte GmbH Geschirrspülmaschine mit mindestens einer mit Anordnungshinweisen versehenen Spülgut-Aufnahmestruktur

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Publication number Priority date Publication date Assignee Title
EP2907442A1 (en) * 2012-10-10 2015-08-19 Panasonic Intellectual Property Management Co., Ltd. Tableware washing apparatus

Also Published As

Publication number Publication date
JP2015160027A (ja) 2015-09-07
TW201544064A (zh) 2015-12-01
EP2912985A1 (en) 2015-09-02
JP6442704B2 (ja) 2018-12-26
KR20150102708A (ko) 2015-09-07
CN104873156B (zh) 2018-12-04
CN104873156A (zh) 2015-09-02

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