US20090056772A1 - Nozzle apparatus of dishwasher - Google Patents

Nozzle apparatus of dishwasher Download PDF

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Publication number
US20090056772A1
US20090056772A1 US12/203,752 US20375208A US2009056772A1 US 20090056772 A1 US20090056772 A1 US 20090056772A1 US 20375208 A US20375208 A US 20375208A US 2009056772 A1 US2009056772 A1 US 2009056772A1
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US
United States
Prior art keywords
passage part
nozzle apparatus
drain passage
nozzle
dishwasher
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.)
Abandoned
Application number
US12/203,752
Other languages
English (en)
Inventor
Gang-Hyun LEE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Assigned to LG ELECTRONICS INC. reassignment LG ELECTRONICS INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, GANG-HYUN
Publication of US20090056772A1 publication Critical patent/US20090056772A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • 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
    • A47L15/0089—Washing or rinsing machines for crockery or tableware of small size, e.g. portable mini dishwashers for small kitchens, office kitchens, boats, recreational vehicles
    • 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
    • A47L15/16—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with rigidly-mounted spraying devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4223—Devices for water discharge, e.g. devices to prevent siphoning, non-return valves

Definitions

  • the present invention relates to a dish washer, and more particularly, a nozzle apparatus of a dishwasher.
  • a dishwasher is a machine for washing garbage remaining on a dishware (e.g., dishes, cups, bowls and the like) by injecting a high pressure of washing water onto the dishes contained in a wash tub or washing chamber.
  • a dishware e.g., dishes, cups, bowls and the like
  • Such dishwasher is configured such that dishes are washed off using washing water containing detergent and the washed dishes are dried.
  • Such dishwasher has a drain passage for discharging washing water out of the wash tub. Washing water pumped by a drain pump can be discharged to the outside via the drain passage.
  • the drain passage has a structure for preventing a siphon phenomenon.
  • the related art dishwasher disposes the drain passage at a separately independent space within the dishwasher, for example, at lower and rear sides of the wash tub of the dishwasher, which may degrade a space utilization of the dishwasher, such as decreasing the size of the wash tub.
  • an object of the present invention is to provide a nozzle apparatus of a dishwasher having a structure capable of minimizing a space for forming a drain passage and a siphon phenomenon preventing structure.
  • a nozzle apparatus of a dishwasher including a washing nozzle configured to inject washing water onto targets to be washed, a water supply passage part through which washing water supplied to the washing nozzle flows, a drain passage part through which washing water to be drained passes, and a siphon preventing portion configured to prevent the siphon phenomenon at the drain passage.
  • the nozzle apparatus of the dishwasher is configured such that the water supply passage part, the drain passage part, the siphon preventing portion and the washing nozzle are implemented as one unit, so as to minimize a space required for forming the drain passage and the siphon phenomenon preventing structure.
  • the dishwasher can be maintained in a compact size, and the space utilization thereof can be enhanced.
  • FIG. 1 is a schematic view of a dishwasher in accordance with one exemplary embodiment of the present invention
  • FIG. 2 is a perspective view of a front side of a nozzle apparatus in the dishwasher in accordance with the one exemplary embodiment of the present invention
  • FIG. 3 is a cross-sectional view taken along the line I-I′ of FIG. 2 ;
  • FIG. 4 is a view showing that washing water is supplied from the nozzle apparatus to a water supply passage part in the dishwasher in accordance with the one exemplary embodiment of the present invention
  • FIG. 5 is a view showing that washing water is supplied from the nozzle apparatus to a drain passage part in the dishwasher in accordance with the one exemplary embodiment of the present invention.
  • FIG. 6 is a view showing the operation of a siphon preventing hole of the nozzle apparatus in the dishwasher in accordance with the one exemplary embodiment of the present invention.
  • FIG. 1 is a schematic view of a dishwasher in accordance with one exemplary embodiment of the present invention.
  • a dishwasher 100 in accordance with one exemplary embodiment of the present invention may include a wash tub 110 installed inside a casing 101 , a door 102 for opening/closing the wash tub 110 , and a rack 103 installed in the wash tub 110 for containing a dishware (e.g., dishes, cups, bowls, and the like).
  • a dishware e.g., dishes, cups, bowls, and the like.
  • the dishwasher 100 may further include a sump 106 installed in a lower portion of the wash tub 110 for containing washing water, an impeller 107 configured to pump the washing water contained in the sump 106 , and a washing motor 108 for driving the impeller 107 .
  • the dishwasher 100 may further include a nozzle apparatus 200 and a rotary nozzle 104 all for injecting washing water pumped from the sump 106 onto the dishes to be washed.
  • the nozzle apparatus 200 is fixed to a rear side of the wash tub 110 to inject washing water onto the dishes.
  • the rotary nozzle 104 is rotated by an injection pressure of the washing water below the rack 103 , thus to inject washing water onto the dishes. By injecting the washing water, garbage on the dishes can be removed and thusly the dishes can be washed up.
  • FIG. 2 is a perspective view of a front side of a nozzle apparatus in the dishwasher in accordance with the one exemplary embodiment of the present invention
  • FIG. 3 is a cross-sectional view taken along the line I-I′ of FIG. 2 .
  • the nozzle apparatus 200 in the dishwasher includes a washing nozzle 210 and a coupling portion 220 .
  • the washing nozzle 210 includes a headwaters pipe 211 , tributary pipes 212 and injecting holes 213 .
  • the coupling portion 220 includes a siphon preventing hole 230 , a water supply passage part 240 and a drain passage part 250 .
  • the washing nozzle 210 is an element for injecting washing water supplied from a washing pump onto the dishes to be washed.
  • a supply piping (not shown) to which the washing water is supplied from the washing pump is connected to a washing water inlet 241 , such that the supplied washing water is introduced via the washing water inlet 241 .
  • the washing water introduced via the washing water inlet 241 flows upwardly via the water supply passage part 240 , which can be implemented due to a pressure by the washing pump.
  • the water supply passage part 240 configures a water supply passage for allowing the flow of the washing water.
  • Such washing water raised through the water supply passage 240 then flows upwardly via the headwaters pipe 211 connected to the water supply passage part 240 .
  • the headwaters pipe 211 is formed in an approximately longitudinal direction.
  • a plurality of tributary pipes 212 extend from the headwaters pipe 211 in an approximately horizontal direction.
  • the tributary pipes 212 communicate with the headwaters pipe 211 .
  • the washing water flowing upwardly along the headwaters pipe 211 can be introduced into each of the tributary pipes 212 .
  • the headwaters pipe 211 and the tributary pipes 212 are provided with a plurality of injecting holes 213 .
  • the injecting holes 213 are configured to inject washing water supplied via the water supply passage part 240 . Such washing water injected through the injecting holes 213 beats on the dishes, targets to be washed, and accordingly the dishes can be washed up.
  • the washing nozzle 200 is fixed to a wall surface of the wash tub 110 . Accordingly, the injecting holes 213 can be formed to have an angle for smoothly injecting washing water from the washing nozzle 200 onto the dishes.
  • washing nozzle 200 is described as being fixed to the wall surface of the wash tub 110 ; however, it is merely illustrative. That is, the washing nozzle 200 may be configured to rotate with respect to the wall surface of the wash tub 110 .
  • the coupling portion 220 is provided with the drain passage part 250 disposed at one side of the water supply passage part 240 .
  • the drain passage part 250 is divided from the water supply passage part 240 by a partition wall.
  • the drain passage part 250 configures a drain passage for discharging washing water to be drained to the outside after the completion of washing.
  • the drain passage part 250 is provided with an inlet 254 connected to a drain pump. Washing water introduced via the inlet 254 flows upwardly via an inlet portion 251 . The washing water flown through the inlet portion 251 flows downwardly along an outlet portion 252 , thus to move down to an outlet 255 .
  • the outlet 255 is connected to a drain pipe (not shown) for draining washing water to the exterior, so as to allow such washing water to be discharged to the exterior.
  • a connecting portion 253 is disposed between the inlet portion 251 and the outlet portion 252 such that the drain passage part 250 can be formed to be a to inverted ‘U’-shaped pipe.
  • the drain passage configured in the drain passage part 250 is formed to be the ‘U’-shaped pipe, to thusly allow washing waster to be drained to flow up and down.
  • the drain passage part 250 is divided from the water supply passage of the water supply passage part 240 , thereby to configure the drain passage for draining washing water. Also, the drain passage part 250 is configured integrally with the water supply passage part 240 . In addition, the drain passage part 250 is provided with a siphon preventing hole 230 for preventing an occurrence of siphon phenomenon on the drain passage.
  • the siphon preventing hole 230 communicates the drain passage with an outside of the drain passage part 250 .
  • the siphon preventing hole 230 can prevent the occurrence of the siphon phenomenon on the drain passage part 250 .
  • the siphon preventing hole 230 is positioned uppermost at the coupling portion 220 .
  • the coupling portion 220 is provided with hole forming portions 260 , which have coupling holes 261 .
  • the coupling holes 261 have screw threads in which separate coupling members, for example, screws are inserted.
  • the coupling portion 220 couples both the water supply passage part 240 and the drain passage part 250 to the wash tub 110 of the dishwasher by the coupling holes 261 .
  • the dishwasher can be maintained in a compact size and its space utilization can be improved.
  • FIGS. 4 to 6 are views showing the operation of the nozzle apparatus of the dishwasher in accordance with the one embodiment of the present invention.
  • FIG. 4 is a view showing that washing water is supplied from the nozzle apparatus to the water supply passage part in the dishwasher in accordance with the one exemplary embodiment of the present invention
  • FIG. 5 is a view showing that washing water is supplied from the nozzle apparatus to the drain passage part in the dishwasher in accordance with the one exemplary embodiment of the present invention
  • FIG. 6 is a view showing the operation of the siphon preventing hole of the nozzle apparatus in the dishwasher in accordance with the one exemplary embodiment of the present invention.
  • washing water to be injected is supplied to the nozzle apparatus 200 .
  • the washing water is supplied from the washing pump to flow upwardly via the water supply passage part 240 .
  • Such washing water is injected on the dishes to be washed via the injecting holes 213 of the washing nozzle 210 .
  • the operation of draining washing water from the nozzle apparatus 200 is shown in FIG. 5 .
  • the washing water to be drained is introduced in the inlet portion 251 from a drain pump.
  • the washing water introduced in the inlet portion 251 then flows upwardly along the inlet portion 251 , passes through the connecting portion 253 , and flows downwardly along the outlet portion 252 .
  • FIG. 6 shows that the siphon phenomenon is prevented when completing the draining in the nozzle apparatus 200 .
  • the draining may continuously be performed by the siphon phenomenon after the completion of the draining.
  • external air is introduced via the siphon preventing hole 230 formed on the drain passage part 250 , thus to prevent such siphon phenomenon.
  • the drain passage part 250 which is partitioned from the water supply passage of the water supply passage part 240 to drain washing water, integrally with the siphon preventing hole 230 for preventing the occurrence of the siphon phenomenon on the drain passage, a space required for implementing the drain passage and the siphon phenomenon preventing structure can be minimized. Therefore, the dishwasher can be maintained in a compact size and its space utilization can be improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)
US12/203,752 2007-09-05 2008-09-03 Nozzle apparatus of dishwasher Abandoned US20090056772A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2007-0090133 2007-09-05
KR1020070090133A KR20090025075A (ko) 2007-09-05 2007-09-05 식기 세척기의 노즐 장치

Publications (1)

Publication Number Publication Date
US20090056772A1 true US20090056772A1 (en) 2009-03-05

Family

ID=39403179

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/203,752 Abandoned US20090056772A1 (en) 2007-09-05 2008-09-03 Nozzle apparatus of dishwasher

Country Status (5)

Country Link
US (1) US20090056772A1 (ko)
KR (1) KR20090025075A (ko)
CN (1) CN101176644A (ko)
DE (1) DE102008045783B4 (ko)
FR (1) FR2920289B1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110030742A1 (en) * 2009-08-10 2011-02-10 Electrolux Home Products, Inc. Fluid circulation arrangement for providing an intensified wash effect in a dishwasher and an associated method
US9204780B2 (en) 2011-02-01 2015-12-08 Electrolux Home Products, Inc. Siphon break apparatus configured to substantially prevent a siphon effect in a fluid conduit of a dishwasher and an associated method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2022637A (en) * 1933-02-21 1935-11-26 Walker Dishwasher Corp Washing apparatus
US20050115592A1 (en) * 2003-10-16 2005-06-02 Lg Electronics Inc. Water guide of dishwasher and dishwasher having the same
US20080072933A1 (en) * 2004-09-07 2008-03-27 Bsh Bosch Und Siemens Hausgerate Gmbh Ventilation Device for the Discharge Pipe of a Water Supply Household Appliance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT233259Y1 (it) * 1994-04-19 2000-01-26 Candy Spa Gruppo integrato multifunzione per macchina lavastoviglie
KR100550853B1 (ko) * 2003-11-11 2006-02-10 씨티엠(주) 식기세척기용 다기능 세척수 공급 패널
DE20319711U1 (de) * 2003-12-19 2004-04-01 Electrolux Home Products Corp. N.V. Geschirrspülmaschine
KR20070090133A (ko) 2007-08-17 2007-09-05 이영규 벽체 배수판

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2022637A (en) * 1933-02-21 1935-11-26 Walker Dishwasher Corp Washing apparatus
US20050115592A1 (en) * 2003-10-16 2005-06-02 Lg Electronics Inc. Water guide of dishwasher and dishwasher having the same
US20080072933A1 (en) * 2004-09-07 2008-03-27 Bsh Bosch Und Siemens Hausgerate Gmbh Ventilation Device for the Discharge Pipe of a Water Supply Household Appliance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110030742A1 (en) * 2009-08-10 2011-02-10 Electrolux Home Products, Inc. Fluid circulation arrangement for providing an intensified wash effect in a dishwasher and an associated method
US9301670B2 (en) 2009-08-10 2016-04-05 Electrolux Home Products, Inc. Fluid circulation arrangement for providing an intensified wash effect in a dishwasher and an associated method
US9204780B2 (en) 2011-02-01 2015-12-08 Electrolux Home Products, Inc. Siphon break apparatus configured to substantially prevent a siphon effect in a fluid conduit of a dishwasher and an associated method

Also Published As

Publication number Publication date
FR2920289A1 (fr) 2009-03-06
DE102008045783A1 (de) 2009-04-23
KR20090025075A (ko) 2009-03-10
FR2920289B1 (fr) 2011-11-18
CN101176644A (zh) 2008-05-14
DE102008045783B4 (de) 2012-03-29

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Legal Events

Date Code Title Description
AS Assignment

Owner name: LG ELECTRONICS INC., KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LEE, GANG-HYUN;REEL/FRAME:021860/0144

Effective date: 20081110

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION