EP1882439A1 - Pull-out basket-type dishwasher and basket therefor - Google Patents
Pull-out basket-type dishwasher and basket therefor Download PDFInfo
- Publication number
- EP1882439A1 EP1882439A1 EP06117832A EP06117832A EP1882439A1 EP 1882439 A1 EP1882439 A1 EP 1882439A1 EP 06117832 A EP06117832 A EP 06117832A EP 06117832 A EP06117832 A EP 06117832A EP 1882439 A1 EP1882439 A1 EP 1882439A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- basket
- detergent
- pressurized
- dishwasher
- 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.)
- Granted
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Classifications
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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
- A47L15/4251—Details of the casing
- A47L15/4257—Details of the loading door
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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
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
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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
- A47L15/507—Arrangements for extracting racks, e.g. roller supports
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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
- A47L15/508—Hydraulic connections for racks
Definitions
- the present invention relates to a pull-out-basket dishwasher and relative basket.
- most currently marketed home dishwashers comprise a substantially parallelepiped-shaped outer casing enclosing a wash chamber communicating with the outside through an opening formed in one of the vertical lateral walls of the casing; a door hinged to the casing, just beneath the wash chamber access opening, to rotate about a horizontal axis of rotation to and from a substantially vertical closed position resting against the lateral wall of the casing to hermetically close the wash chamber access opening; and two baskets housed one over the other inside the wash chamber and resting on runners by which to slide the baskets out.
- Dishwashers of the above type also comprise two rotary spray wash members mounted to rotate inside the wash chamber and having a number of nozzles designed to direct pressurized-water jets onto the two baskets inside the wash chamber.
- one of the rotary wash members is mounted to rotate freely at the bottom of the wash chamber, while the other is integrated in the top basket, with its nozzles oriented to only direct water jets onto the top basket.
- dishwashers also comprise a detergent holder and dispensing device for temporarily storing and then releasing a given amount of detergent normally sufficient for one wash cycle, and which in most currently marketed models is integrated in the dishwasher door.
- the detergent holder and dispensing device normally comprises a small detergent compartment normally sized to hold enough detergent for one wash cycle, and which is recessed inside the dishwasher door to face the wash chamber when the door is closed; a detergent compartment lid fitted to the dishwasher door to move to and from a work position closing the inlet of the detergent compartment and isolating the compartment from the wash chamber; and a click-open device which, on command, releases the lid from the work position to connect the detergent compartment directly to the wash chamber.
- dishwasher door In addition, necessarily housing the detergent compartment of the detergent holder and dispensing device inside the dishwasher door further increases the minimum thickness of the door, with all the problems this entails in terms of weight and size. Most dishwasher doors, in fact, are over 5 centimetres thick.
- a pull-out-basket dishwasher as claimed in Claim 1 and preferably, though not necessarily, in any one of the dependent Claims.
- a basket as claimed in Claim 12 and preferably, though not necessarily, in any one of the dependent Claims.
- Number 1 in Figure 1 indicates as a whole a pull-out-basket dishwasher, which substantially comprises a preferably, though not necessarily, parallelepiped-shaped outer casing 2 enclosing a wash chamber 2a communicating with the outside through an opening formed in one of the vertical lateral walls of casing 2; a door 3 hinged to casing 2, alongside the access opening to wash chamber 2a, to rotate, about a preferably, though not necessarily, horizontal axis of rotation, to and from a closed position resting against the lateral wall of casing 2 to hermetically close the access opening to wash chamber 2a; and one or more baskets housed one over the other inside wash chamber 2a and resting on known runners (not shown) by which to slide the baskets out through the access opening to wash chamber 2a.
- dishwasher 1 comprises two baskets 4 and 5 housed one over the other inside wash chamber 2a, and each substantially comprising a rigid, substantially rectangular drawer 6, with a perforated or mesh bottom and lateral walls, which is positioned inside wash chamber 2a and rests on known runners (not shown) by which to slide the drawer 6 out through the access opening to wash chamber 2a; and a handle 7 located on the side of drawer 6 facing door 3 when door 3 is closed, and by which to slide basket 4, 5 manually in and out of wash chamber 2a.
- dishwasher 1 also comprises at least one rotary spray wash member, which is housed inside wash chamber 2a, is connected to and supplied with pressurized water by the dishwasher hydraulic circuit (not shown), and has a number of spray nozzles designed to direct pressurized-water jets onto baskets 4 and 5 inside wash chamber 2a, so as to wash the dishes inside the baskets.
- dishwasher 1 comprises two rotary spray wash members, the first of which (not shown) is located at the bottom of wash chamber 2a, and comprises a hub projecting from the bottom of wash chamber 2a, and an impeller fitted to the hub to rotate freely about a vertical axis of rotation, and having a number of spray nozzles designed to direct pressurized-water jets onto baskets 4 and 5 inside wash chamber 2a. Pressurized water is supplied to the impeller along a feed conduit formed inside the hub.
- the second rotary spray wash member - hereinafter indicated 8 - is integrated in the top basket 5, and comprises a hub 9 projecting from the bottom of drawer 6 of basket 5 and facing the bottom of wash chamber 2a (and therefore bottom basket 4); and an impeller 10 fitted to hub 9 to rotate freely about an axis of rotation A, which is locally perpendicular to the plane of the bottom of drawer 6, and is preferably, though not necessarily, vertical and aligned with the axis of rotation of the impeller of the first rotary spray wash member.
- impeller 10 has a number of spray nozzles designed to direct pressurized-water jets onto drawer 6 of top basket 5 and possibly onto drawer 6 of bottom basket 4, and hub 9 has an inner conduit for feeding pressurized water to impeller 10.
- rotary spray wash member 8 also comprises a pressurized-water feed pipe 11 projecting from hub 9, parallel to the bottom of drawer 6 of basket 5, i.e. horizontally, and shaped at the end to form a fast-fit connector 12 connectable to a pressurized-water outlet 13 on the surface of a vertical wall of casing 2 defining wash chamber 2a, so as to feed water from the outlet to the inner conduit of hub 9.
- pressurized-water feed pipe 11 extends parallel to the insertion and extraction direction d of top basket 5, and pressurized-water outlet 13 is located, on the surface of the vertical wall of casing 2 defining wash chamber 2a, on the opposite side to the access opening to the wash chamber, and is connected in known manner to the dishwasher hydraulic circuit (not shown).
- dishwasher 1 also comprises a detergent holder and dispensing device 14 for temporarily storing and then releasing a predetermined amount of detergent preferably, though not necessarily, sufficient for one wash cycle, and which is preferably, though not necessarily, defined by a predetermined amount of powdered detergent compacted into one substantially parallelepiped-shaped tablet.
- Detergent holder and dispensing device 14 is located on top basket 5, and substantially comprises a closed detergent compartment 15 formed in the body of handle 7 of basket 5, and a detergent release conduit 16 connecting detergent compartment 15 to the outside.
- Detergent compartment 15 is obviously sized to hold said predetermined amount of detergent, and detergent release conduit 16 is formed in the body of handle 7 of basket 5 so that the outlet of the conduit faces downwards, i.e. faces the bottom of wash chamber 2a, and the end portion of the conduit extends substantially vertically inside the body of handle 7.
- detergent holder and dispensing device 14 also comprises a water feed conduit 17 connecting detergent compartment 15 inside handle 7 to a pressurized-water source; and an on/off, controlled open-close valve 18 for regulating fluid flow to detergent compartment 15.
- handle 7 of basket 5 is defined by a substantially U-shaped, preferably, though not necessarily, rectangular-section tubular body 19 fixed rigidly to the side of drawer 6 of basket 5 so that the central segment is horizontal, and the two lateral segments are vertical with both ends of tubular body 19 facing the bottom of drawer 6 and, therefore, the bottom of wash chamber 2a housing baskets 4 and 5 in use.
- One of the two ends of tubular body 19 is sealed fluidtight, while the other end communicates directly with the outside.
- the central segment of tubular body 19 defines detergent compartment 15, and the lateral segment of tubular body 19 immediately upstream from the open end defines detergent release conduit 16.
- the body of handle 7 of basket 5, i.e. tubular body 19, also comprises an auxiliary access opening 19a, which connects detergent compartment 15, i.e. the cavity in the central segment of tubular body 19, directly to the outside, and is sized to permit insertion of said predetermined amount of detergent inside detergent compartment 15; and a cover 19b fitted slidably to tubular body 19 and movable manually to and from a work position closing opening 19a in fluidtight manner.
- conduit 17 connects the cavity in tubular body 19 to the inner conduit of hub 9 of rotary spray wash member 8, so as to supply the cavity in tubular body 19 with part of the water supplied to hub 9 by pipe 11, and is therefore fixed rigidly to the bottom of drawer 6 of basket 5, like hub 9.
- On/off valve 18 is located at the closed end of tubular body 19 defining handle 7 of basket 5, and is designed to assume an open configuration permitting pressurized-water flow from conduit 17 to the cavity in tubular body 19, or a closed configuration preventing pressurized-water flow from conduit 17 to the cavity in tubular body 19.
- on/off valve 18 is a conventional controlled open-close solenoid valve, which is normally closed, and which opens when supplied with electric current; and dishwasher 1 comprises a power coil 20 housed in door 3 to face on/off valve 18 and, hence, tubular body 19 when door 3 is closed, and which is designed to power on/off valve 18 by induction.
- coil 20 may be designed to generate, when supplied with electric current, a magnetic field capable of directly moving the movable shutter of on/off valve 18 from the closed position.
- on/off valve 18 is mechanically operated; and dishwasher 1 comprises an electrically controlled servomechanism 20' (shown by the dash line in Figure 3) housed in door 3 in place of coil 20, and which comprises a control shaft projecting from the surface of door 3 into wash chamber 2a, and designed to connect mechanically to on/off valve 18 to open or close it on command.
- electrically controlled servomechanism 20' shown by the dash line in Figure 3 housed in door 3 in place of coil 20, and which comprises a control shaft projecting from the surface of door 3 into wash chamber 2a, and designed to connect mechanically to on/off valve 18 to open or close it on command.
- dishwasher 1 Operation of dishwasher 1, as described above, will now be described assuming detergent compartment 15, i.e. the central segment of tubular body 19, has already been filled with detergent.
- the electronic central control unit (not shown) of dishwasher 1 opens valve 18 to allow pressurized water to flow along conduit 17, into detergent compartment 15 (i.e. tubular body 19) to dissolve the detergent inside, and then out, together with particles of detergent, into wash chamber 2a of dishwasher 1 via detergent release conduit 16 (i.e. tubular body 19).
- dishwasher 1 The advantages of dishwasher 1 are obvious : given the design of detergent holder and dispensing device 14, release of the detergent into wash chamber 2a no longer calls for directing pressurized-water jets onto door 3, thus drastically reducing the noise level during the wash cycle.
- dishwasher 1 since the detergent holder and dispensing device need no longer be housed in the door, dishwasher 1 may be fitted with a much thinner door 3 than currently marketed dishwashers.
- dishwasher 1 as described and illustrated herein without, however, departing from the scope of the present invention.
- water feed conduit 17 of detergent holder and dispensing device 14 extends from handle 7 to hub 9 of rotary spray wash member 8, and inside pressurized-water feed pipe 11 to fast-fit connector 12.
- pressurized-water outlet 13 comprises two independent outlets, one connected to the main conduit of pressurized-water feed pipe 11, and the other to the end of conduit 17; and on/off valve 18 is located immediately upstream from the outlet of pressurized-water outlet 13 connectable to conduit 17, and is defined by a normal controlled open-close solenoid valve.
- dishwasher 1 comprises a second detergent holder and dispensing device which is located on bottom basket 6.
- the second detergent holder and dispensing device comprises a detergent compartment formed in the body of handle of basket 6, a detergent release conduit connecting detergent compartment to the outside, a water feed conduit connecting the detergent compartment inside the handle to a pressurized-water source, and an on/off, controlled open-close valve for regulating fluid flow to the detergent compartment formed in the body of handle of basket 6.
Abstract
Description
- The present invention relates to a pull-out-basket dishwasher and relative basket.
- As is known, most currently marketed home dishwashers comprise a substantially parallelepiped-shaped outer casing enclosing a wash chamber communicating with the outside through an opening formed in one of the vertical lateral walls of the casing; a door hinged to the casing, just beneath the wash chamber access opening, to rotate about a horizontal axis of rotation to and from a substantially vertical closed position resting against the lateral wall of the casing to hermetically close the wash chamber access opening; and two baskets housed one over the other inside the wash chamber and resting on runners by which to slide the baskets out.
- Dishwashers of the above type also comprise two rotary spray wash members mounted to rotate inside the wash chamber and having a number of nozzles designed to direct pressurized-water jets onto the two baskets inside the wash chamber.
- More specifically, one of the rotary wash members is mounted to rotate freely at the bottom of the wash chamber, while the other is integrated in the top basket, with its nozzles oriented to only direct water jets onto the top basket.
- Currently marketed dishwashers also comprise a detergent holder and dispensing device for temporarily storing and then releasing a given amount of detergent normally sufficient for one wash cycle, and which in most currently marketed models is integrated in the dishwasher door.
- More specifically, the detergent holder and dispensing device normally comprises a small detergent compartment normally sized to hold enough detergent for one wash cycle, and which is recessed inside the dishwasher door to face the wash chamber when the door is closed; a detergent compartment lid fitted to the dishwasher door to move to and from a work position closing the inlet of the detergent compartment and isolating the compartment from the wash chamber; and a click-open device which, on command, releases the lid from the work position to connect the detergent compartment directly to the wash chamber.
- Housing the detergent holder and dispensing device inside the dishwasher door poses a number of major problems, foremost of which is undoubtedly the noise level of the appliance. The detergent inside the detergent compartment, in fact, is removed by the action of the pressurized-water jets produced by the two rotary spray wash members, and impact of the water jets on the dishwasher door produces a pulsating, low-frequency noise that can only be deadened by inserting a thick layer of soundproofing material inside the door, with all the disadvantages this entails in terms of manufacturing cost.
- In addition, necessarily housing the detergent compartment of the detergent holder and dispensing device inside the dishwasher door further increases the minimum thickness of the door, with all the problems this entails in terms of weight and size. Most dishwasher doors, in fact, are over 5 centimetres thick.
- It is an object of the present invention to provide a pull-out-basket dishwasher designed to eliminate the aforementioned drawbacks.
- According to the present invention, there is provided a pull-out-basket dishwasher as claimed in
Claim 1 and preferably, though not necessarily, in any one of the dependent Claims. - According to the present invention, there is provided a basket as claimed in
Claim 12 and preferably, though not necessarily, in any one of the dependent Claims. - A non-limiting embodiment of the present invention will be described by way of example with reference to the accompanying drawings, in which:
- Figure 1 shows a view in perspective, with parts removed for clarity, of a pull-out-basket dishwasher and a basket, both in accordance with the teachings of the present invention;
- Figure 2 shows a view in perspective, with parts in section and parts removed for clarity, of the Figure 1 basket;
- Figure 3 shows a side section of a detail of the Figure 1 dishwasher;
- Figure 4 shows, schematically, a variation of the dishwasher in Figures 1-3.
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Number 1 in Figure 1 indicates as a whole a pull-out-basket dishwasher, which substantially comprises a preferably, though not necessarily, parallelepiped-shaped outer casing 2 enclosing awash chamber 2a communicating with the outside through an opening formed in one of the vertical lateral walls of casing 2; adoor 3 hinged to casing 2, alongside the access opening towash chamber 2a, to rotate, about a preferably, though not necessarily, horizontal axis of rotation, to and from a closed position resting against the lateral wall of casing 2 to hermetically close the access opening towash chamber 2a; and one or more baskets housed one over the other insidewash chamber 2a and resting on known runners (not shown) by which to slide the baskets out through the access opening towash chamber 2a. - More specifically, in the example shown,
dishwasher 1 comprises twobaskets wash chamber 2a, and each substantially comprising a rigid, substantiallyrectangular drawer 6, with a perforated or mesh bottom and lateral walls, which is positioned insidewash chamber 2a and rests on known runners (not shown) by which to slide thedrawer 6 out through the access opening towash chamber 2a; and ahandle 7 located on the side ofdrawer 6 facingdoor 3 whendoor 3 is closed, and by which to slidebasket wash chamber 2a. - With reference to Figures 1 and 2,
dishwasher 1 also comprises at least one rotary spray wash member, which is housed insidewash chamber 2a, is connected to and supplied with pressurized water by the dishwasher hydraulic circuit (not shown), and has a number of spray nozzles designed to direct pressurized-water jets ontobaskets wash chamber 2a, so as to wash the dishes inside the baskets. - More specifically, in the example shown,
dishwasher 1 comprises two rotary spray wash members, the first of which (not shown) is located at the bottom ofwash chamber 2a, and comprises a hub projecting from the bottom ofwash chamber 2a, and an impeller fitted to the hub to rotate freely about a vertical axis of rotation, and having a number of spray nozzles designed to direct pressurized-water jets ontobaskets wash chamber 2a. Pressurized water is supplied to the impeller along a feed conduit formed inside the hub. - The second rotary spray wash member - hereinafter indicated 8 - is integrated in the
top basket 5, and comprises ahub 9 projecting from the bottom ofdrawer 6 ofbasket 5 and facing the bottom ofwash chamber 2a (and therefore bottom basket 4); and animpeller 10 fitted tohub 9 to rotate freely about an axis of rotation A, which is locally perpendicular to the plane of the bottom ofdrawer 6, and is preferably, though not necessarily, vertical and aligned with the axis of rotation of the impeller of the first rotary spray wash member. - Like the impeller of the first rotary spray wash member,
impeller 10 has a number of spray nozzles designed to direct pressurized-water jets ontodrawer 6 oftop basket 5 and possibly ontodrawer 6 ofbottom basket 4, andhub 9 has an inner conduit for feeding pressurized water to impeller 10. - With reference to Figure 2, rotary
spray wash member 8 also comprises a pressurized-water feed pipe 11 projecting fromhub 9, parallel to the bottom ofdrawer 6 ofbasket 5, i.e. horizontally, and shaped at the end to form a fast-fit connector 12 connectable to a pressurized-water outlet 13 on the surface of a vertical wall of casing 2 definingwash chamber 2a, so as to feed water from the outlet to the inner conduit ofhub 9. - More specifically, pressurized-
water feed pipe 11 extends parallel to the insertion and extraction direction d oftop basket 5, and pressurized-water outlet 13 is located, on the surface of the vertical wall of casing 2 definingwash chamber 2a, on the opposite side to the access opening to the wash chamber, and is connected in known manner to the dishwasher hydraulic circuit (not shown). - With reference to Figures 1 and 2,
dishwasher 1 also comprises a detergent holder and dispensingdevice 14 for temporarily storing and then releasing a predetermined amount of detergent preferably, though not necessarily, sufficient for one wash cycle, and which is preferably, though not necessarily, defined by a predetermined amount of powdered detergent compacted into one substantially parallelepiped-shaped tablet. - Detergent holder and
dispensing device 14 is located ontop basket 5, and substantially comprises a closeddetergent compartment 15 formed in the body ofhandle 7 ofbasket 5, and a detergent release conduit 16 connectingdetergent compartment 15 to the outside. -
Detergent compartment 15 is obviously sized to hold said predetermined amount of detergent, anddetergent release conduit 16 is formed in the body ofhandle 7 ofbasket 5 so that the outlet of the conduit faces downwards, i.e. faces the bottom ofwash chamber 2a, and the end portion of the conduit extends substantially vertically inside the body ofhandle 7. - With reference to Figures 2 and 3, in addition to the above, detergent holder and
dispensing device 14 also comprises awater feed conduit 17 connectingdetergent compartment 15 inside handle 7 to a pressurized-water source; and an on/off, controlled open-close valve 18 for regulating fluid flow todetergent compartment 15. - In the example shown,
handle 7 ofbasket 5 is defined by a substantially U-shaped, preferably, though not necessarily, rectangular-sectiontubular body 19 fixed rigidly to the side ofdrawer 6 ofbasket 5 so that the central segment is horizontal, and the two lateral segments are vertical with both ends oftubular body 19 facing the bottom ofdrawer 6 and, therefore, the bottom ofwash chamber 2ahousing baskets tubular body 19 is sealed fluidtight, while the other end communicates directly with the outside. - The central segment of
tubular body 19 definesdetergent compartment 15, and the lateral segment oftubular body 19 immediately upstream from the open end definesdetergent release conduit 16. - With reference to Figures 1 and 2, in the example shown, the body of
handle 7 ofbasket 5, i.e.tubular body 19, also comprises an auxiliary access opening 19a, which connectsdetergent compartment 15, i.e. the cavity in the central segment oftubular body 19, directly to the outside, and is sized to permit insertion of said predetermined amount of detergent insidedetergent compartment 15; and acover 19b fitted slidably totubular body 19 and movable manually to and from a work position closing opening 19a in fluidtight manner. - With reference to Figures 2 and 3,
conduit 17 connects the cavity intubular body 19 to the inner conduit ofhub 9 of rotaryspray wash member 8, so as to supply the cavity intubular body 19 with part of the water supplied tohub 9 bypipe 11, and is therefore fixed rigidly to the bottom ofdrawer 6 ofbasket 5, likehub 9. - On/off
valve 18 is located at the closed end oftubular body 19 defininghandle 7 ofbasket 5, and is designed to assume an open configuration permitting pressurized-water flow fromconduit 17 to the cavity intubular body 19, or a closed configuration preventing pressurized-water flow fromconduit 17 to the cavity intubular body 19. - With reference to Figure 3, in a first embodiment, on/off
valve 18 is a conventional controlled open-close solenoid valve, which is normally closed, and which opens when supplied with electric current; anddishwasher 1 comprises apower coil 20 housed indoor 3 to face on/offvalve 18 and, hence,tubular body 19 whendoor 3 is closed, and which is designed to power on/offvalve 18 by induction. - Alternatively,
coil 20 may be designed to generate, when supplied with electric current, a magnetic field capable of directly moving the movable shutter of on/offvalve 18 from the closed position. - In an alternative embodiment, on/off
valve 18 is mechanically operated; anddishwasher 1 comprises an electrically controlled servomechanism 20' (shown by the dash line in Figure 3) housed indoor 3 in place ofcoil 20, and which comprises a control shaft projecting from the surface ofdoor 3 intowash chamber 2a, and designed to connect mechanically to on/offvalve 18 to open or close it on command. - Operation of
dishwasher 1, as described above, will now be described assumingdetergent compartment 15, i.e. the central segment oftubular body 19, has already been filled with detergent. - In actual use, when the time comes to use the detergent inside detergent holder and
dispensing device 14, the electronic central control unit (not shown) ofdishwasher 1 opensvalve 18 to allow pressurized water to flow alongconduit 17, into detergent compartment 15 (i.e. tubular body 19) to dissolve the detergent inside, and then out, together with particles of detergent, intowash chamber 2a ofdishwasher 1 via detergent release conduit 16 (i.e. tubular body 19). - The advantages of
dishwasher 1 are obvious : given the design of detergent holder and dispensingdevice 14, release of the detergent intowash chamber 2a no longer calls for directing pressurized-water jets ontodoor 3, thus drastically reducing the noise level during the wash cycle. - Moreover, since the detergent holder and dispensing device need no longer be housed in the door,
dishwasher 1 may be fitted with a muchthinner door 3 than currently marketed dishwashers. - Clearly, changes may be made to
dishwasher 1 as described and illustrated herein without, however, departing from the scope of the present invention. - For example, with reference to Figure 4, as opposed to branching off from the inner conduit of
hub 9,water feed conduit 17 of detergent holder anddispensing device 14 extends fromhandle 7 tohub 9 of rotaryspray wash member 8, and inside pressurized-water feed pipe 11 to fast-fit connector 12. In which case, pressurized-water outlet 13 comprises two independent outlets, one connected to the main conduit of pressurized-water feed pipe 11, and the other to the end ofconduit 17; and on/offvalve 18 is located immediately upstream from the outlet of pressurized-water outlet 13 connectable to conduit 17, and is defined by a normal controlled open-close solenoid valve. - According to an other embodiment not shown,
dishwasher 1 comprises a second detergent holder and dispensing device which is located onbottom basket 6. Likewise detergent holder anddispensing device 14, the second detergent holder and dispensing device comprises a detergent compartment formed in the body of handle ofbasket 6, a detergent release conduit connecting detergent compartment to the outside, a water feed conduit connecting the detergent compartment inside the handle to a pressurized-water source, and an on/off, controlled open-close valve for regulating fluid flow to the detergent compartment formed in the body of handle ofbasket 6.
Claims (19)
- A pull-out basket dishwasher (1) comprising a casing (2) enclosing a wash chamber (2a) communicating with the outside through an opening formed in one of the lateral walls of the casing (2), at least one basket (4, 5) substantially defined by a drawer (6) located inside said wash chamber (2a), and by a handle (7) fixed to said drawer (6) and by which to slide said basket (4, 5) manually in and out of the wash chamber (2a), and a detergent holder and dispensing device (14) for storing and then releasing a predetermined amount of detergent;
said dishwasher (1) being characterized in that said detergent holder and dispensing device (14) comprises a detergent compartment (15) formed in the body of the handle (7) of said basket (5), a detergent release conduit (16) connecting the detergent compartment (15) to the outside, a water feed conduit (17) connecting the detergent compartment (15) to a pressurized-water source (9, 13), and a controlled open-close, on/off valve (18) for regulating fluid flow to said detergent compartment (15) . - A dishwasher as claimed in Claim 1, characterized by also comprising at least a first rotary spray wash member (8), which is fixed to the bottom of the drawer (6) of said basket (5), receives pressurized water from the hydraulic circuit of the dishwasher, and directs pressurized-water jets onto the drawer (6) of said basket (5).
- A dishwasher as claimed in Claim 2, characterized in that said first rotary spray wash member (8) comprises a hub (9) projecting from the bottom of the drawer (6) of said basket (5), and an impeller (10) fitted in rotary manner to the hub (9) and having a number of spray nozzles designed to direct pressurized-water jets onto said drawer (6); the hub (9) having an inner conduit for conducting said pressurized water to said impeller (10).
- A dishwasher as claimed in Claim 3, characterized in that said first rotary spray wash member (8) also comprises a pressurized-water feed pipe (11) projecting from the hub (9), parallel to the bottom of the drawer (6) of said basket (5), and shaped at the end to form a fast-fit connector (12) connectable to a pressurized-water outlet (13) on a vertical wall of the casing (2) defining said wash chamber (2a), so as to feed the water from the pressurized-water outlet (13) to the inner conduit of said hub (9).
- A dishwasher as claimed in Claim 3 or 4, characterized in that said water feed conduit (17) connects the detergent compartment (15) to the inner conduit of said hub (9).
- A dishwasher as claimed in Claim 5, characterized in that said on/off valve (18) is located inside said handle (7, 19).
- A dishwasher as claimed in Claim 4, characterized in that said water feed conduit (17) extends from the handle (7) of said basket (5) to said fast-fit connector (12); said pressurized-water outlet (13) having two independent outlets, one connected to the main conduit of said pressurized-water feed pipe (11), and the other to the end of said water feed conduit (17); said on/off valve (18) being located upstream from said pressurized-water outlet (13).
- A dishwasher as claimed in any one of the foregoing Claims, characterized by comprising a door (3) hinged to said casing (2) to rotate to and from a closed position resting against the lateral wall of the casing (2) and hermetically closing the access opening to the wash chamber (2a).
- A dishwasher as claimed in Claims 5 and 8, characterized in that said detergent holder and dispensing device (14) comprises valve control means (20, 20') for selectively activating said on/off valve (18); and in that said valve control means (20, 20') are housed in said door (3).
- A dishwasher as claimed in any one of the foregoing Claims, characterized in that the handle (7) of said basket (5) comprises a substantially U-shaped tubular body (19) fixed to the side of the drawer (6) of said basket (5), so that its central segment is substantially horizontal, and its two lateral segments are substantially vertical with the two ends of the tubular body (19) facing the bottom of the wash chamber (2a); the central segment of said tubular body (19) defining the detergent compartment (15) of said detergent holder and dispensing device (14).
- A dishwasher as claimed in any one of the foregoing Claims, characterized in that the body (19) of the handle (7) of said basket (5) comprises an auxiliary access opening (19a) connecting the detergent compartment (15) of said detergent holder and dispensing device (14) directly to the outside; and a cover (19b) for selectively closing the opening (19a) in said body (19).
- A dishwasher basket (5) comprising a drawer (6) located inside a wash chamber (2a) of a dishwasher, and a handle (7) fixed to said drawer (6) and by which to slide said basket (5) manually in and out of said wash chamber (2a); the basket (5) being characterized by comprising a detergent compartment (15) formed in the body of the handle (7) of said basket (5) for receiving a predetermined amount of detergent, a detergent release conduit (16) connecting the detergent compartment (15) to the outside, and a water feed conduit (17) connecting the detergent compartment (15) to a pressurized-water source (9, 13) .
- A basket as claimed in Claim 12, characterized by also comprising a rotary spray wash member (8), which is fixed to the bottom of the drawer (6), receives pressurized water from the hydraulic circuit of the dishwasher, and directs pressurized-water jets onto the drawer (6) above; said rotary spray wash member (8) comprising a hub (9) projecting from the bottom of the drawer (6), and an impeller (10) fitted in rotary manner to the hub (9) and having a number of spray nozzles designed to direct pressurized-water jets onto said drawer (6); the hub (9) having an inner conduit for conducting said pressurized water to said impeller (10).
- A basket as claimed in Claim 13, characterized in that said rotary spray wash member (8) also comprises a pressurized-water feed pipe (11) projecting from the hub (9), parallel to the bottom of the drawer (6), and shaped at the end to form a fast-fit connector (12) connectable to a pressurized-water outlet (13) on a vertical wall of the casing (2) defining said wash chamber (2a), so as to feed the water from the pressurized-water outlet (13) to the inner conduit of said hub (9).
- A basket as claimed in Claim 13 or 14, characterized in that said water feed conduit (17) connects the detergent compartment (15) to the inner conduit of said hub (9).
- A basket as claimed in Claim 14, characterized by also comprising a controlled open-close, on/off valve (18) for regulating fluid flow to said detergent compartment (15); said on/off valve (18) being located inside said handle (7, 19).
- A basket as claimed in Claim 14, characterized in that said water feed conduit (17) extends from the handle (7) to said fast-fit connector (12).
- A basket as claimed in any one of Claims 12 to 17, characterized in that said handle (7) comprises a substantially U-shaped tubular body (19) fixed to the side of said drawer (6), so that its central segment is substantially horizontal, and its two lateral segments are substantially vertical with the two ends of the tubular body (19) facing the bottom of the wash chamber (2a); the central segment of said tubular body (19) defining said detergent compartment (15).
- A basket as claimed in any one of Claims 12 to 17, characterized in that the body (19) of said handle (7) comprises an auxiliary access opening (19a) connecting said detergent compartment (15) directly to the outside; and a cover (19b) for selectively closing the opening (19a) in said body (19).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE602006011304T DE602006011304D1 (en) | 2006-07-25 | 2006-07-25 | Dishwasher with pull-out dish rack and basket for it |
AT06117832T ATE452576T1 (en) | 2006-07-25 | 2006-07-25 | DISHWASHER WITH EXTENDABLE DISHWASHER AND BASKET THEREOF |
EP06117832A EP1882439B1 (en) | 2006-07-25 | 2006-07-25 | Pull-out basket-type dishwasher and basket therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06117832A EP1882439B1 (en) | 2006-07-25 | 2006-07-25 | Pull-out basket-type dishwasher and basket therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1882439A1 true EP1882439A1 (en) | 2008-01-30 |
EP1882439B1 EP1882439B1 (en) | 2009-12-23 |
Family
ID=37546340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06117832A Not-in-force EP1882439B1 (en) | 2006-07-25 | 2006-07-25 | Pull-out basket-type dishwasher and basket therefor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1882439B1 (en) |
AT (1) | ATE452576T1 (en) |
DE (1) | DE602006011304D1 (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011141145A1 (en) * | 2010-05-12 | 2011-11-17 | Electrolux Home Products Corporation N. V. | Dishwasher with detergent dispenser |
WO2011157328A1 (en) * | 2010-06-19 | 2011-12-22 | Electrolux Home Products Corporation N.V. | Detergent dispenser |
WO2014031743A1 (en) * | 2012-08-24 | 2014-02-27 | Ecolab Usa Inc. | Freestanding detergent composition not requiring an automated dispenser |
US8721804B2 (en) | 2011-10-24 | 2014-05-13 | Whirlpool Corporation | Dishwasher with auxiliary washing agent dispensing system |
US20140137911A1 (en) * | 2012-11-19 | 2014-05-22 | Whirlpool Corporation | Dish rack with dispenser unit |
US8888924B2 (en) | 2012-08-24 | 2014-11-18 | Ecolab Usa Inc. | Freestanding detergent composition not requiring an automated dispenser |
US8925561B2 (en) | 2011-10-11 | 2015-01-06 | Whirlpool Corporation | Dishwasher dispensing system with timed delay |
US9034114B2 (en) | 2012-09-14 | 2015-05-19 | Whirlpool Corporation | Dishwasher with booster agent dispersal system |
US9629516B2 (en) | 2014-10-08 | 2017-04-25 | Whirlpool Corporation | Dishwasher rack handle |
CN108742446A (en) * | 2018-04-11 | 2018-11-06 | 滁州美业机械制造有限公司 | Dish-washing machine glass door component |
WO2020124970A1 (en) * | 2016-12-27 | 2020-06-25 | Midea Group Co., Ltd. | Dishwasher rack system |
WO2020234452A1 (en) * | 2019-05-23 | 2020-11-26 | Meiko Maschinenbau Gmbh & Co. Kg | Cleaning device for cleaning an item to be cleaned |
US10851331B2 (en) | 2017-04-27 | 2020-12-01 | Ecolab Usa Inc. | Solid controlled release carbonate detergent compositions |
US10889783B2 (en) | 2017-11-14 | 2021-01-12 | Ecolab Usa Inc. | Solid controlled release caustic detergent compositions |
Families Citing this family (1)
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CA3151823A1 (en) | 2019-09-27 | 2021-04-01 | Ecolab Usa Inc. | Concentrated 2 in 1 dishmachine detergent and rinse aid |
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EP1236431A2 (en) * | 2001-02-28 | 2002-09-04 | Electrolux Home Products Corporation N.V. | Device for a dishwasher |
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DE102004053914A1 (en) * | 2004-04-26 | 2005-11-17 | Aweco Appliance Systems Gmbh & Co. Kg | A method for dispensing wash products in a domestic dish washing machine has an additional dispenser which is fitted to the cutlery basket |
-
2006
- 2006-07-25 DE DE602006011304T patent/DE602006011304D1/en active Active
- 2006-07-25 EP EP06117832A patent/EP1882439B1/en not_active Not-in-force
- 2006-07-25 AT AT06117832T patent/ATE452576T1/en not_active IP Right Cessation
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EP0755650A1 (en) * | 1995-07-28 | 1997-01-29 | Whirlpool Europe B.V. | Dishwasher with detergent container and brightener container associated with a movable tray thereof |
EP1236431A2 (en) * | 2001-02-28 | 2002-09-04 | Electrolux Home Products Corporation N.V. | Device for a dishwasher |
EP1582136A1 (en) * | 2004-03-29 | 2005-10-05 | Electrolux Home Products Corporation N.V. | Dishwasher provided with a hot warning device for the temperature of the dishes |
DE102004053914A1 (en) * | 2004-04-26 | 2005-11-17 | Aweco Appliance Systems Gmbh & Co. Kg | A method for dispensing wash products in a domestic dish washing machine has an additional dispenser which is fitted to the cutlery basket |
Cited By (24)
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---|---|---|---|---|
EP2387936A1 (en) * | 2010-05-12 | 2011-11-23 | Electrolux Home Products Corporation N.V. | Dishwasher with detergent dispenser |
CN102892346A (en) * | 2010-05-12 | 2013-01-23 | 伊莱克斯家用产品公司 | Dishwasher with detergent dispenser |
CN102892346B (en) * | 2010-05-12 | 2015-11-25 | 伊莱克斯家用产品公司 | With the dish-washing machine of detergent dispenser |
WO2011141145A1 (en) * | 2010-05-12 | 2011-11-17 | Electrolux Home Products Corporation N. V. | Dishwasher with detergent dispenser |
US9186036B2 (en) | 2010-05-12 | 2015-11-17 | Electrolux Home Products Corporation N.V. | Dishwasher with detergent dispenser |
WO2011157328A1 (en) * | 2010-06-19 | 2011-12-22 | Electrolux Home Products Corporation N.V. | Detergent dispenser |
EP2404538A1 (en) * | 2010-06-19 | 2012-01-11 | Electrolux Home Products Corporation N.V. | Detergent dispenser |
US8925561B2 (en) | 2011-10-11 | 2015-01-06 | Whirlpool Corporation | Dishwasher dispensing system with timed delay |
US8721804B2 (en) | 2011-10-24 | 2014-05-13 | Whirlpool Corporation | Dishwasher with auxiliary washing agent dispensing system |
US8888924B2 (en) | 2012-08-24 | 2014-11-18 | Ecolab Usa Inc. | Freestanding detergent composition not requiring an automated dispenser |
WO2014031743A1 (en) * | 2012-08-24 | 2014-02-27 | Ecolab Usa Inc. | Freestanding detergent composition not requiring an automated dispenser |
US9034114B2 (en) | 2012-09-14 | 2015-05-19 | Whirlpool Corporation | Dishwasher with booster agent dispersal system |
US20140137911A1 (en) * | 2012-11-19 | 2014-05-22 | Whirlpool Corporation | Dish rack with dispenser unit |
US20180064309A1 (en) * | 2012-11-19 | 2018-03-08 | Whirlpool Corporation | Dish rack with dispenser unit |
US11612302B2 (en) * | 2012-11-19 | 2023-03-28 | Whirlpool Corporation | Dish rack with dispenser unit |
US11051675B2 (en) | 2012-11-19 | 2021-07-06 | Whirlpool Corporation | Dish rack with dispenser unit |
US9629516B2 (en) | 2014-10-08 | 2017-04-25 | Whirlpool Corporation | Dishwasher rack handle |
WO2020124970A1 (en) * | 2016-12-27 | 2020-06-25 | Midea Group Co., Ltd. | Dishwasher rack system |
US10851331B2 (en) | 2017-04-27 | 2020-12-01 | Ecolab Usa Inc. | Solid controlled release carbonate detergent compositions |
US11427792B2 (en) | 2017-04-27 | 2022-08-30 | Ecolab Usa Inc. | Solid controlled release carbonate detergent compositions |
US10889783B2 (en) | 2017-11-14 | 2021-01-12 | Ecolab Usa Inc. | Solid controlled release caustic detergent compositions |
US11932830B2 (en) | 2017-11-14 | 2024-03-19 | Ecolab Usa Inc. | Solid controlled release caustic detergent compositions |
CN108742446A (en) * | 2018-04-11 | 2018-11-06 | 滁州美业机械制造有限公司 | Dish-washing machine glass door component |
WO2020234452A1 (en) * | 2019-05-23 | 2020-11-26 | Meiko Maschinenbau Gmbh & Co. Kg | Cleaning device for cleaning an item to be cleaned |
Also Published As
Publication number | Publication date |
---|---|
DE602006011304D1 (en) | 2010-02-04 |
ATE452576T1 (en) | 2010-01-15 |
EP1882439B1 (en) | 2009-12-23 |
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