EP4298980B1 - Wärmepumpengeschirrspüler - Google Patents

Wärmepumpengeschirrspüler Download PDF

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Publication number
EP4298980B1
EP4298980B1 EP23176352.5A EP23176352A EP4298980B1 EP 4298980 B1 EP4298980 B1 EP 4298980B1 EP 23176352 A EP23176352 A EP 23176352A EP 4298980 B1 EP4298980 B1 EP 4298980B1
Authority
EP
European Patent Office
Prior art keywords
dishwasher
hose
inlet
rear wall
fixing member
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
EP23176352.5A
Other languages
English (en)
French (fr)
Other versions
EP4298980A1 (de
Inventor
Cetin Aydintug
Ilhan BALIKCI
Onur Poyraz
Erdogan Mert SEREN
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP4298980A1 publication Critical patent/EP4298980A1/de
Application granted granted Critical
Publication of EP4298980B1 publication Critical patent/EP4298980B1/de
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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
    • A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water
    • 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

Definitions

  • the present invention relates to a heat pump dishwasher wherein the exhaust air is effectively discharged.
  • the use of hot water for the washing process improves the washing performance.
  • the heating of the washing water is performed by means of a heater.
  • the washing water is heated by using the heat pump system. In this case, energy saving is provided compared to conventional dishwashers.
  • the basic components of the heat pump system are compressor, evaporator, condenser, capillary tube and fan.
  • the compressor pressurizes the refrigerant fluid and directs the same to the condenser.
  • the condenser condenses the refrigerant fluid and heats the water which is in direct contact with the condenser.
  • the refrigerant fluid enters the capillary tube. While passing through the capillary tube, the refrigerant fluid loses pressure, expands and enters the evaporator. While passing through the evaporator pipes, the refrigerant fluid draws heat from the ambient air directed thereon, evaporates and cools the surrounding air. The cooled air is blown out of the dishwasher after the evaporator.
  • the ambient air is sucked by means of a fan and passed over the evaporator.
  • the ambient heat is drawn onto the heat pump and used to heat the water.
  • the air is discharged from the cabinet opening to the environment. This opening is provided on the left or right side of the dishwasher.
  • the water intake hose outlet and the water discharge hose outlet of the dishwasher are provided on the left or right side of the dishwasher rear wall. Said hoses move between the rear wall of the dishwasher and the cabinet and come out of the opening.
  • German Patent Application No. DE102019100004 the formation of an air flow path is disclosed, by means of a sealing member which is provided on the air outlet between a heat pump dishwasher and the cabinet, which is provided between the rear wall of the dishwasher and the wall of the cabinet.
  • a dishwasher comprising a base, and a fan and an evaporator provided an air duct extending from said base.
  • the air duct extends from the front of the dishwasher to the back thereof and an air opening is provided at the back side.
  • EP2777474 Another state of the art embodiment is disclosed in the European Patent No. EP2777474 .
  • a heat pump dishwasher is disclosed, wherein the air sucked through the air inlet is guided towards the evaporator by passing through an opening with guiding surfaces and a dust holder.
  • the aim of the present invention is the realization of a heat pump dishwasher wherein the exhaust air is effectively discharged.
  • the dishwasher realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, is a heat pump dishwasher, and comprises a washing tub; an evaporator; a rear wall; an opening which aligns with the part of the rear wall whereon the evaporator is disposed; a water inlet hose; a water discharge hose; and at least one hose holder for each of the water inlet and discharge hoses, fixed onto the rear wall and enabling the water inlet and discharge hoses onto the rear wall such that the opening remains between the water inlet hose and the water discharge hose.
  • the water inlet and discharge hoses are prevented from covering the opening, creating an obstacle in front of the opening and decreasing the air passage cross-sectional area of the opening.
  • the flow rate of the air discharged out of the dishwasher is prevented from being adversely affected, and the efficiency of the heat pump, hence of the dishwasher is increased.
  • the dishwasher comprises two channels as the hose holder which are arranged above and below the opening such that the opening remains therebetween, which extend parallel to each other along the rear wall, such that one receives the water inlet hose and the other receives the discharge hose.
  • the dishwasher comprises at least one fixing member in the form of a clamp which passes over the hose in the channel and which is fixed with fixing elements to the rear wall so as to prevent the hose placed in the channel from being detached from the channel.
  • the fixing member is flat.
  • the hose is entirely embedded into the channel.
  • the fixing member is fixed to the rear wall from two ends thereof such that the hose placed into the channel remains therebetween.
  • the fixing member is fixed to the rear wall from a single end thereof while the other end has a jointed structure so as to rotate around the end fixed to the rear wall.
  • the dishwasher comprises hook-and-loop fasteners as the hose holder.
  • one surface of the hook-and-loop fasteners is fixed to the rear wall such that the hose remains therebetween, and after the hose is placed onto the rear wall, the other surface of the hook-and-loop fasteners is brought onto the first surface over the hose to fix the same.
  • the water inlet and discharge hoses are positioned efficiently so as not to block the air outlet such that the air leaving the evaporator has a high flow rate. Since there is no obstacle in front of the cold exhaust air to prevent the same from being discharged through the air outlet, unwanted cooling in the dishwasher is avoided and the efficiency of the heat pump is increased by preventing the drying performance from being adversely affected. Thus, the washing time of the dishwasher is decreased.
  • FIG. 6-8 A dishwasher realized in order to attain the aim of the present invention is illustrated in the attached figures, with figures 6-8 showing an embodiment of a dishwasher according to the invention, and figures 1-5 and 9 showing examples useful for understanding the present invention, where:
  • the dishwasher (1) of the present invention is a heat pump dishwasher (1), and comprises a washing tub; an evaporator; a rear wall (2); an opening (3) which aligns with the part of the rear wall (2) whereon the evaporator is disposed; an inlet hose (4); a discharge hose (5); and at least one hose holder (6) for each of the inlet and discharge hoses (4 and 5), fixed onto the rear wall (2) and enabling the inlet and discharge hoses (4 and 5) onto the rear wall (2) such that the opening (3) remains between the inlet hose and the discharge hose (4 and 5).
  • the inlet and discharge hoses (4 and 5) are prevented from covering the opening (3), creating an obstacle in front of the opening (3) and decreasing the air passage cross-sectional area of the opening (3).
  • the flow rate of the air discharged out of the dishwasher (1) is prevented from being adversely affected, and the efficiency of the heat pump, hence of the dishwasher (1) is increased.
  • the dishwasher (1) comprises the C-shaped hose holder (6), wherein the hose holder (6) comprises an orifice (7) through which the inlet and discharge hoses (4 and 5) pass, a housing (8) wherein the inlet and discharge hoses (4 and 5) are fitted after passing through the orifice (7), and a base (9) which is positioned outside the housing (8) and which enables the hose holder (6) to be fixed to the rear wall (2).
  • the inlet and discharge hoses (4 and 5) are passed through the orifice (7) to be fitted into the housing (8) in the hose holder (6) fixed to the rear wall (2) of the dishwasher (1) by means of the base (9).
  • the inlet and discharge hoses (4 and 5) pass through the orifice (7), the two opposite edges of the orifice (7) are stretched, and by means of this stretching, the inlet and discharge hoses (4 and 5) are easily fitted into the housing (8).
  • the orifice (7) moves back and returns to the initial position, and the inlet and discharge hoses (4 and 5) fitted into the housing (8) are prevented from being detached from the housing (8) by themselves.
  • the dishwasher (1) comprises at least two, preferably three hose holders (6) for each of the inlet hose (4) and the discharge hose (5) on the same line, enabling the inlet and discharge hoses (4 and 5) to extend parallel to each other at the top and bottom of the opening (3) ( Figure 1 and Figure 2 ).
  • the hose holder (6) comprises a clamp-shaped step (10) which is fixed to the rear wall (2) and which supports the inlet and discharge hoses (4 and 5) from bottom, and a holder (11) which is disposed onto the step (10) and which covers the inlet and discharge hoses (4 and 5) from above to be fixed to the step (10) ( Figure 3 and Figure 4 ).
  • the hose holder (6) comprises two channels (12) which are arranged above and below the opening (3) such that the opening (3) remains therebetween, which extend parallel to each other along the rear wall (2), such that one receives the inlet hose (4) and the other receives the discharge hose (5).
  • the dishwasher (1) comprises at least one fixing member (13) preferably in the form of a clamp which passes over the inlet and discharge hoses (4 and 5) in the channel (12) and which is fixed with fixing elements to the rear wall (2) so as to prevent the inlet and discharge hoses (4 and 5) placed in the channel (12) from being detached from the channel (12) ( Figure 5 ).
  • the fixing member (13) is flat and in the form of a plate.
  • the inlet and discharge hoses (4 and 5) are completely embedded into the channel (12).
  • the fixing member (13) is fixed to the rear wall (2) from two ends thereof such that the inlet and discharge hoses (4 and 5) placed into the channel (12) remain therebetween ( Figure 6 ).
  • the fixing member (13) is fixed to the rear wall (2) from a single end thereof while the other end has a jointed structure so as to rotate around the end fixed to the rear wall (2).
  • the inlet and discharge hoses (4 and 5) can be quickly and easily fitted into the channel (12) and detached from the channel (12).
  • the dishwasher (1) in order to enable the inlet and discharge hoses (4 and 5) to be properly fitted into the channel (12) and prevent the same from being detached from the channel (12) unintentionally, the dishwasher (1) comprises the C-shaped fixing member (13) disposed in the channel (12) ( Figure 8 ).
  • the hose holder (6) comprises hook-and-loop fasteners, wherein one surface of the hook-and-loop fasteners is fixed to the rear wall (2), the other surface is passed over the inlet and discharge hoses (4 and 5) to be brought onto the first surface after the inlet and discharge hoses (4 and 5) are placed onto the rear wall (2) such that the inlet and discharge hoses (4 and 5) remain therebetween ( Figure 9 ).
  • the inlet and discharge hoses (4 and 5) are positioned efficiently so as not to block the air outlet such that the air leaving the evaporator has a high flow rate. Since there is no obstacle in front of the cold exhaust air to prevent the same from being discharged through the air outlet, unwanted cooling in the dishwasher (1) is avoided and the efficiency of the heat pump is increased by preventing the drying performance from being adversely affected. Thus, the washing time of the dishwasher (1) is decreased.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Claims (8)

  1. Ein Wärmepumpen-Geschirrspüler (1) umfasst eine Waschwanne; einen Verdampfer; eine Rückwand (2); eine Öffnung (3), die mit dem Teil der Rückwand (2) fluchtet, an dem der Verdampfer angeordnet ist; gekennzeichnet dadurch, dass der Geschirrspüler weiterhin einen Zulaufschlauch (4); und einen Ablaufschlauch (5) umfasst, mindestens einen Schlauchhalter (6) für jeden der Zulauf- und Ablaufschläuche (4, 5), der an der Rückwand (2) befestigt ist und es ermöglicht, die Zulauf- und Ablaufschläuche (4, 5) an der Rückwand (2) zu platzieren, so dass die Öffnung (3) zwischen dem Zulaufschlauch (4) und dem Ablaufschlauch (5) verbleibt, wobei der Schlauchhalter (6) zwei Kanäle (12) umfasst, die oberhalb und unterhalb der Öffnung (3) angeordnet sind, so dass die Öffnung (3) dazwischen verbleibt, die sich parallel zueinander entlang der Rückwand (2) erstrecken, so dass einer den Zulaufschlauch (4) und der andere den Ablaufschlauch (5) aufnimmt.
  2. Eine Geschirrspülmaschine (1) wie in Anspruch 1 aufgeführt, ist dadurch gekennzeichnet, dass sie mindestens ein Befestigungselement (13) umfasst, das über die Zulauf- und Ablaufschläuche (4, 5) in dem Kanal (12) verläuft und das mit Befestigungselementen an der Rückwand (2) befestigt ist, um zu verhindern, dass die in dem Kanal (12) platzierten Zulauf- und Ablaufschläuche (4, 5) von dem Kanal (12) gelöst werden.
  3. Eine Geschirrspülmaschine (1) wie in Anspruch 2 aufgeführt, ist dadurch gekennzeichnet, dass das Befestigungselement ein klammerförmiges Befestigungselement (13) ist.
  4. Eine Geschirrspülmaschine (1) wie in Anspruch 2 aufgeführt, ist dadurch gekennzeichnet, dass das Befestigungselement ein plattenförmiges flaches Befestigungselement (13) ist.
  5. Eine Geschirrspülmaschine (1) wie in einem der Ansprüche 2 bis 4 aufgeführt, ist dadurch gekennzeichnet, dass das Befestigungselement (13), das an zwei Enden der Rückwand (2) befestigt ist, so dass die in den Kanal (12) eingelegten Zu- und Ablaufschläuche (4, 5) dazwischen verbleiben.
  6. Eine Geschirrspülmaschine (1) wie in Anspruch 2 aufgeführt, ist dadurch gekennzeichnet, dass das Befestigungselement (13), das an der Rückwand (2) von einem einzigen Ende aus befestigt ist, während das andere Ende eine gelenkige Struktur aufweist, so dass es sich um das an der Rückwand (2) befestigte Ende drehen kann.
  7. Eine Geschirrspülmaschine (1) wie in Anspruch 2 aufgeführt, ist dadurch gekennzeichnet, dass das Befestigungselement ein C-förmiges Befestigungselement (13) ist, das in dem Kanal (12) vorgesehen ist.
  8. Eine Geschirrspülmaschine (1) wie in einem der vorherigen Ansprüchen aufgeführt, ist dadurch gekennzeichnet, dass sie mindestens zwei Schlauchhalter (6) für den Zulaufschlauch (4) und den Ablaufschlauch (5) auf derselben Linie aufweist, die es ermöglichen, dass der Zulauf- und der Ablaufschlauch (4, 5) oben und unten in der Öffnung (3) parallel zueinander verlaufen.
EP23176352.5A 2022-06-30 2023-05-31 Wärmepumpengeschirrspüler Active EP4298980B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR202210865 2022-06-30

Publications (2)

Publication Number Publication Date
EP4298980A1 EP4298980A1 (de) 2024-01-03
EP4298980B1 true EP4298980B1 (de) 2025-03-26

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ID=86646652

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PL (1) PL4298980T3 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008016483A1 (de) * 2008-03-31 2009-10-01 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsstandgerät
US20110121698A1 (en) * 2008-05-02 2011-05-26 Arcelik Anonim Sirketi Washer
DE102013101862B4 (de) 2013-02-26 2024-07-25 Miele & Cie. Kg Geschirrspülautomat
US10905306B2 (en) * 2017-03-10 2021-02-02 Continental Clean Tech Limited Dish washing machine
PL3427628T3 (pl) 2017-07-12 2020-06-15 Miele & Cie. Kg Zmywarka do naczyń
DE102019100004A1 (de) 2018-01-16 2019-07-18 Miele & Cie. Kg Anordnung mit einer Geschirrspülmaschine

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EP4298980A1 (de) 2024-01-03
PL4298980T3 (pl) 2025-07-28

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