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EP2451334B1 - A dishwasher with automatically opening door - Google Patents

A dishwasher with automatically opening door Download PDF

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Publication number
EP2451334B1
EP2451334B1 EP10724859.3A EP10724859A EP2451334B1 EP 2451334 B1 EP2451334 B1 EP 2451334B1 EP 10724859 A EP10724859 A EP 10724859A EP 2451334 B1 EP2451334 B1 EP 2451334B1
Authority
EP
European Patent Office
Prior art keywords
door
latching means
dishwasher
actuator
fixed
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
EP10724859.3A
Other languages
German (de)
French (fr)
Other versions
EP2451334A1 (en
Inventor
Sena Davasligil
Mehmet Durmaz
Mehmet Fatih Sozbir
Erkan Kahraman
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
Priority to PL10724859T priority Critical patent/PL2451334T3/en
Publication of EP2451334A1 publication Critical patent/EP2451334A1/en
Application granted granted Critical
Publication of EP2451334B1 publication Critical patent/EP2451334B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • A47L15/4259—Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
    • 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
    • A47L15/48—Drying arrangements
    • A47L15/488—Connections of the tub with the ambient air, e.g. air intake or venting arrangements
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/20—Time, e.g. elapsed operating time
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/22—Loading doors, e.g. door latches, inflatable door seals
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/404—Function thereof
    • E05Y2201/422—Function thereof for opening
    • E05Y2201/426—Function thereof for opening for the initial opening movement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43—Motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/304—Application of doors, windows, wings or fittings thereof for domestic appliances for dishwashers

Definitions

  • the present invention relates to a dishwasher the door of which opens automatically.
  • the body wherein the washing process is performed is closed by a door mounted such as to rotate in the horizontal axis.
  • dishwashers are provided wherein the drying process is performed at low temperature and the door opens automatically after the program is completed so that the drying process is maintained to be effective and efficient.
  • the steam inside the body is discharged out of the dishwasher preventing condensation on the washed items. The user is not harmed since the discharged steam is at a low temperature.
  • the door is opened by pushing a lock latch extending from the body.
  • the fast falling of the door can both harm the door hinge and the user.
  • the door in order to prevent the door from falling in this way, the door is partially opened by pushing slightly the lock latch extending from the body without dislodging it from the lock housing on the door.
  • the door can be detected to be closed since the lock latch is still in the lock housing.
  • German Patent Application No DE102005028448 in the disclosed dishwasher, the door is partially opened by a pin containing the latch therein moving towards the door, which is moved by the gear driven with a motor situated on the body.
  • Document DE-C1-4420775 discloses a dishwasher comprising a body, side walls that cover the side surfaces of the body, a door providing access into the body, a latching means borne to the body such as to move and a clamp situated on the door, which locks the door when the latching means is inserted therein, and an actuator having one end fixed to the body and the other end fixed to said latching means, for releasing said same latching means from the clamp.
  • the aim of the present invention is the realization of a dishwasher wherein the door is opened easily at the end of the program.
  • a clamp and a latching means which is borne on the body such as to move back and forth and which is locked by inserting into the clamp are provided on the door.
  • an actuator is used for dislodging the latching means from the clamp without requiring user intervention.
  • One end of the actuator is fixed to the body and the other end to the latching means.
  • the actuator heats up when the electric current is supplied thereto and thus the length of the actuator changes.
  • the latching means is dislodged from the clamp as the actuator pulls it towards the body by means of its changed length.
  • a pin is disposed on the end of the actuator, the length of which changes when heated.
  • the latching means is dislodged from the clamp by two actuators.
  • the pins contact each other and thus provide twice as much pushing distance and force.
  • the actuators are disposed in a housing.
  • the housing is mounted into a slot bored on the traverse.
  • the latching means mounted to the housing from an aperture on one side of the housing, can move forward and backward inside the aperture.
  • a shaft is disposed between the pins of the two actuators.
  • the shaft is used for transferring the motion of the pins to one another.
  • the dishwasher furthermore comprises a door partial-opener mechanism, situated on the side wall, which applies force to the door so that the door slightly moves away from the body.
  • the door partial-opener mechanism is a cam that pushes the door by being actuated with a motor.
  • the door partial-opener mechanism comprises a door partial opening spring and a spring trigger, with one end fixed to the door partial opening spring, the other end to the body, the length of which changes by heating up when the electric current is applied, thus releasing the door partial-opener spring so that the door separates from the body partially, and when cooled stretches the door partial-opener spring to close the door once again.
  • the door can be opened as a result of the actuator changing dimension by heating up when the electric current supplied thereby dislodging the latching means from the clamp on the door without requiring the user intervention.
  • the steam inside the dishwasher can be discharged by means of the door partial-opener mechanism opening the door slightly.
  • Figure 1 - is the perspective view of a dishwasher.
  • Figure 2 - is the perspective view of a door partial-opener mechanism in an embodiment of the present invention.
  • Figure 3 - is the perspective view of a latching means and an actuator in an embodiment of the present invention.
  • Figure 4 - is the perspective view of the latching means and the actuator in another embodiment of the present invention.
  • Figure 5 - is the perspective view of the latching means and two actuators in another embodiment of the present invention.
  • Figure 6 - is the perspective view of a traverse and the latching means in an embodiment of the present invention.
  • Figure 7 - is the exploded perspective view of the actuators and latching means grouped in a housing in an embodiment of the present invention.
  • the dishwasher (1) comprises a body (2), side walls (3) that cover the side surfaces of the body (2), a door (4) providing access into the body (2), a latching means (5) borne to the body (2) such as to move, and a clamp (6) situated on the door (4) which locks the door (4) when the latching means (5) is inserted therein.
  • the dishwasher (1) furthermore comprises at least one actuator (7) with one end fixed to the body (2) the other end to the latching means (5), the length of which changes by heating up when the electric current is supplied, and dislodges the latching means (5) from the clamp (6) by pulling towards the body (2) ( Figure 1 ).
  • the latching means (5) is locked in the clamp (6) while the door (4) is closed. After the washing process is over, the latching means (5) is released from the clamp (6) by being pulled by means of the actuator (7) without requiring user intervention. Thus, the electric line on the door (4) is interrupted.
  • the actuator (7) is used for releasing the latching means (5) from the clamp (6) by being pulled.
  • the actuator (7) lengthens or shortens by heating up when the electric current passes through and dislodges the latching means (5) from the clamp (6).
  • the actuator (7) used for releasing the door (4) by pulling the latching means (5) is a low cost, simple element that occupies a small space.
  • the actuator (7) releases the door (4) so that the door (4) can be opened by pulling the latching means (5) in order to discharge the steam out after the washing process is completed, without requiring drying the dishes at high temperature.
  • the actuator (7) is preferably controlled by a control unit which controls the washing process.
  • the actuator (7) comprises a pin (10) at one end, the length of which changes by heating up when current is supplied to the actuator (7). Electricity is supplied to the actuator (7) after the drying process and the pin (10) is provided to lengthen or shorten.
  • the pin (10) fixed to the traverse (8) cannot push the traverse (8) while lengthening, it pushes the actuator (7) fixed to the latching means (5) to move thereof away from the door (4).
  • the actuator (7) moves the latching means (5) away from the door (4) together with itself and dislodges from the clamp (6) ( Figure 3 ).
  • the pin (10) fixed to the rear portion of the latching means (5) shortens when heated up and pulls the latching means (5) towards the body (2) ( Figure 4 ).
  • the latching means (5) is in the form of a plate and comprises a cavity (17) at its portion which bears on the body (2) wherein the actuator (7, 107) is inserted.
  • the latching means (5) and the actuator (7 or 107) are provided to occupy less space ( Figure 3 and 4 ).
  • the dishwasher (1) comprises a motion transmitter (not shown in the figures) with one end fixed to the latching means (5) such as to rotate, and the other end to the actuator (7), mounted to the body (2) such as to rotate from a point closer to the actuator (7) than the latching means (5).
  • a motion transmitter By means of this motion transmitter, lengthening of the actuator (7) causes a greater forward movement in the latching means (5).
  • the dishwasher (1) comprises an actuator (207) fixed to the latching means (5) and another actuator (107) fixed to the body (2) or the traverse (8).
  • the pins (10) of the actuators (107 and 207) are in contact with one another and move the latching means (5) away from the door (4) while pushing one another when it lengthens by heating up ( Figure 5 ).
  • the dishwasher (1) comprises at least one slot (11) situated on the vertical wall of the traverse (8) and a housing (13) in the form of a closed box, which can be mounted into the slot (11), having at least one aperture (12) on its surface facing the door (4) wherein the latching means (5) can pass, with the actuator (7 or 207) fixed on its inner wall.
  • the housing (13) which can be mounted to and dismounted from the slot (11) situated in the traverse (8), instead of mounting the actuator (7) to the traverse (8) during production, the housing (13) which is previously grouped with the actuator (7) can be mounted easily ( Figure 6 and 7 ).
  • the dishwasher (1) comprises an actuator (207) fixed to the latching means (5) and another actuator (107) fixed in the housing (13).
  • the pins (10) which lengthen by heating up when the electric current is supplied push one another and thus the latching means (5) moves inside the housing (13) such as to be separated from the door (4).
  • the dishwasher (1) comprises a shaft (14), disposed between the two actuators (107, 207), with one end mounted to the pin (10) of one, the other end to the pin (10) of the other.
  • the shaft (14) transfers the movement of the pins (10) to one another by providing a distance as wide as the traverse (8) width between for example the actuator (107) fixed to the wider traverse (8) and the actuator (207) fixed to the latching means (5) ( Figure 5 ).
  • the dishwasher (1) furthermore comprises a door partial-opener mechanism (9) disposed on the side wall (3), exerting force towards the door (4), moving the door (4) away from the side wall (3) slightly after the latching means (5) is released from the clamp (6).
  • the door partial-opener mechanism (9) is a cam moved by a motor which is triggered after the latching means (5) is pulled.
  • the door partial-opener mechanism (9) comprises a door partial-opener spring (15), mounted to the surface of the side wall (3) contacting the door (4) and a spring trigger (16) disposed to the end of the door partial-opener spring (15), the length of which changes by heating up when the electric current is supplied, opening the door (4) slightly, resuming its initial length by cooling down when the electric current is cut off and allowing the door (4) to be closed.
  • the door (4) being released after the latching means (5) is pulled, opens slightly by means of the spring trigger (16) which lengthens due to heating.
  • the spring trigger (16) kept heated by supplying electric current during the time period required for discharging steam determined by the producer, gets cold as the current is cut off, resuming its initial state. Thus, the door (4) closes again ( Figure 2 ).
  • the door (4) is provided to be brought to openable condition after the washing process is finished by dislodging the latching means (5) from the clamp (6) with the actuator (7) without requiring user intervention. Thereafter, the door (4) is opened slightly by pushing of the door partial-opener mechanism (9) and effective drying is provided by discharging the steam remaining inside the body (2). Thus, performing high temperature drying process is not necessary. Moreover, safety of the door (4) is provided as a result of the electric line being interrupted upon dislodging of the latching means (5) from the clamp (6) and afterwards is prevented from falling by being opened slowly and partially by means of the door partial-opener mechanism (9).

Landscapes

  • Washing And Drying Of Tableware (AREA)

Description

  • The present invention relates to a dishwasher the door of which opens automatically.
  • In dishwashers, the body wherein the washing process is performed is closed by a door mounted such as to rotate in the horizontal axis. In state of the art, dishwashers are provided wherein the drying process is performed at low temperature and the door opens automatically after the program is completed so that the drying process is maintained to be effective and efficient. Thus, the steam inside the body is discharged out of the dishwasher preventing condensation on the washed items. The user is not harmed since the discharged steam is at a low temperature.
  • In some of these state of the art embodiments, the door is opened by pushing a lock latch extending from the body. In these embodiments, the fast falling of the door can both harm the door hinge and the user. In some embodiments, in order to prevent the door from falling in this way, the door is partially opened by pushing slightly the lock latch extending from the body without dislodging it from the lock housing on the door. However, in this embodiment, the door can be detected to be closed since the lock latch is still in the lock housing.
  • In the state of the art United States Patent Document No US5881746 , a dishwasher, having a door that is partially opened by moving a closure bracket which one end of it mounted to the motor on the body and the other end to a lock on the door at the end of the program, is explained.
  • In the state of the art United States Patent Document No US4951693 , in the disclosed dishwasher, the explanation is given for first opening the lock at the end of the program and afterwards slowly opening the door by the push of the biasing means in the door hinge.
  • In the state of the art German Patent Application No DE102005028448 , in the disclosed dishwasher, the door is partially opened by a pin containing the latch therein moving towards the door, which is moved by the gear driven with a motor situated on the body.
  • Document DE-C1-4420775 discloses a dishwasher comprising a body, side walls that cover the side surfaces of the body, a door providing access into the body, a latching means borne to the body such as to move and a clamp situated on the door, which locks the door when the latching means is inserted therein, and an actuator having one end fixed to the body and the other end fixed to said latching means, for releasing said same latching means from the clamp.
  • The aim of the present invention is the realization of a dishwasher wherein the door is opened easily at the end of the program.
  • The dishwasher realized in order to attain the aim of the present invention is explicated in the first claim and the other elements in the related claims.
  • In the dishwasher, a clamp and a latching means which is borne on the body such as to move back and forth and which is locked by inserting into the clamp are provided on the door. In the dishwasher of the present invention, an actuator is used for dislodging the latching means from the clamp without requiring user intervention.
  • One end of the actuator is fixed to the body and the other end to the latching means. The actuator heats up when the electric current is supplied thereto and thus the length of the actuator changes. The latching means is dislodged from the clamp as the actuator pulls it towards the body by means of its changed length.
  • In an embodiment of the present invention, a pin is disposed on the end of the actuator, the length of which changes when heated.
  • In an embodiment of the present invention, the latching means is dislodged from the clamp by two actuators. In this embodiment, the pins contact each other and thus provide twice as much pushing distance and force.
  • In another embodiment of the present invention, the actuators are disposed in a housing. The housing is mounted into a slot bored on the traverse. The latching means mounted to the housing from an aperture on one side of the housing, can move forward and backward inside the aperture.
  • In another embodiment of the present invention, a shaft is disposed between the pins of the two actuators. The shaft is used for transferring the motion of the pins to one another. The dishwasher furthermore comprises a door partial-opener mechanism, situated on the side wall, which applies force to the door so that the door slightly moves away from the body. In an embodiment, the door partial-opener mechanism is a cam that pushes the door by being actuated with a motor.
  • In an embodiment of the present invention, the door partial-opener mechanism comprises a door partial opening spring and a spring trigger, with one end fixed to the door partial opening spring, the other end to the body, the length of which changes by heating up when the electric current is applied, thus releasing the door partial-opener spring so that the door separates from the body partially, and when cooled stretches the door partial-opener spring to close the door once again.
  • By means of the dishwasher of the present invention, the door can be opened as a result of the actuator changing dimension by heating up when the electric current supplied thereby dislodging the latching means from the clamp on the door without requiring the user intervention. After the door released, the steam inside the dishwasher can be discharged by means of the door partial-opener mechanism opening the door slightly. Thus, high temperature drying process is not required and energy savings is provided.
  • The dishwasher realized in order to attain the aim of the present invention is illustrated in the attached figures, where:
  • Figure 1 - is the perspective view of a dishwasher.
  • Figure 2 - is the perspective view of a door partial-opener mechanism in an embodiment of the present invention.
  • Figure 3 - is the perspective view of a latching means and an actuator in an embodiment of the present invention.
  • Figure 4 - is the perspective view of the latching means and the actuator in another embodiment of the present invention.
  • Figure 5 - is the perspective view of the latching means and two actuators in another embodiment of the present invention.
  • Figure 6 - is the perspective view of a traverse and the latching means in an embodiment of the present invention.
  • Figure 7 - is the exploded perspective view of the actuators and latching means grouped in a housing in an embodiment of the present invention.
  • The elements illustrated in the figures are numbered as follows:
    • 1. Dishwasher
    • 2. Body
    • 3. Side wall
    • 4. Door
    • 5. Latching means
    • 6. Clamp
    • 7. ,107., 207. Actuator
    • 8. Traverse
    • 9. Door partial-opener mechanism
    • 10. Pin
    • 11. Slot
    • 12. Aperture
    • 13. Housing
    • 14. Shaft
    • 15. Door partial-opener spring
    • 16. Spring trigger
    • 17. Cavity
  • The dishwasher (1) comprises a body (2), side walls (3) that cover the side surfaces of the body (2), a door (4) providing access into the body (2), a latching means (5) borne to the body (2) such as to move, and a clamp (6) situated on the door (4) which locks the door (4) when the latching means (5) is inserted therein.
  • The dishwasher (1) furthermore comprises at least one actuator (7) with one end fixed to the body (2) the other end to the latching means (5), the length of which changes by heating up when the electric current is supplied, and dislodges the latching means (5) from the clamp (6) by pulling towards the body (2) (Figure 1).
  • The latching means (5) is locked in the clamp (6) while the door (4) is closed. After the washing process is over, the latching means (5) is released from the clamp (6) by being pulled by means of the actuator (7) without requiring user intervention. Thus, the electric line on the door (4) is interrupted. The actuator (7) is used for releasing the latching means (5) from the clamp (6) by being pulled. The actuator (7) lengthens or shortens by heating up when the electric current passes through and dislodges the latching means (5) from the clamp (6). The actuator (7) used for releasing the door (4) by pulling the latching means (5) is a low cost, simple element that occupies a small space. Moreover, the actuator (7) releases the door (4) so that the door (4) can be opened by pulling the latching means (5) in order to discharge the steam out after the washing process is completed, without requiring drying the dishes at high temperature. The actuator (7) is preferably controlled by a control unit which controls the washing process.
  • In an embodiment of the present invention, the actuator (7) comprises a pin (10) at one end, the length of which changes by heating up when current is supplied to the actuator (7). Electricity is supplied to the actuator (7) after the drying process and the pin (10) is provided to lengthen or shorten. For example, in an embodiment, since the pin (10) fixed to the traverse (8) cannot push the traverse (8) while lengthening, it pushes the actuator (7) fixed to the latching means (5) to move thereof away from the door (4). Thus, the actuator (7) moves the latching means (5) away from the door (4) together with itself and dislodges from the clamp (6) (Figure 3). In another embodiment, the pin (10) fixed to the rear portion of the latching means (5) shortens when heated up and pulls the latching means (5) towards the body (2) (Figure 4).
  • In an embodiment of the present invention, the latching means (5) is in the form of a plate and comprises a cavity (17) at its portion which bears on the body (2) wherein the actuator (7, 107) is inserted. Thus, the latching means (5) and the actuator (7 or 107) are provided to occupy less space (Figure 3 and 4).
  • In another embodiment of the present invention, the dishwasher (1) comprises a motion transmitter (not shown in the figures) with one end fixed to the latching means (5) such as to rotate, and the other end to the actuator (7), mounted to the body (2) such as to rotate from a point closer to the actuator (7) than the latching means (5). By means of this motion transmitter, lengthening of the actuator (7) causes a greater forward movement in the latching means (5).
  • In an embodiment of the present invention, the dishwasher (1) comprises an actuator (207) fixed to the latching means (5) and another actuator (107) fixed to the body (2) or the traverse (8). The pins (10) of the actuators (107 and 207) are in contact with one another and move the latching means (5) away from the door (4) while pushing one another when it lengthens by heating up (Figure 5).
  • In an embodiment of the present invention, the dishwasher (1) comprises at least one slot (11) situated on the vertical wall of the traverse (8) and a housing (13) in the form of a closed box, which can be mounted into the slot (11), having at least one aperture (12) on its surface facing the door (4) wherein the latching means (5) can pass, with the actuator (7 or 207) fixed on its inner wall. By means of the housing (13) which can be mounted to and dismounted from the slot (11) situated in the traverse (8), instead of mounting the actuator (7) to the traverse (8) during production, the housing (13) which is previously grouped with the actuator (7) can be mounted easily (Figure 6 and 7).
  • In an embodiment of the present invention, the dishwasher (1) comprises an actuator (207) fixed to the latching means (5) and another actuator (107) fixed in the housing (13). The pins (10) which lengthen by heating up when the electric current is supplied push one another and thus the latching means (5) moves inside the housing (13) such as to be separated from the door (4).
  • By means of two actuators (107, 207) pushing one another, the required pulling force for dislodging the latching means (5) from the clamp (6) is easily provided.
  • In an embodiment of the present invention, the dishwasher (1) comprises a shaft (14), disposed between the two actuators (107, 207), with one end mounted to the pin (10) of one, the other end to the pin (10) of the other. The shaft (14) transfers the movement of the pins (10) to one another by providing a distance as wide as the traverse (8) width between for example the actuator (107) fixed to the wider traverse (8) and the actuator (207) fixed to the latching means (5) (Figure 5).
  • The dishwasher (1) furthermore comprises a door partial-opener mechanism (9) disposed on the side wall (3), exerting force towards the door (4), moving the door (4) away from the side wall (3) slightly after the latching means (5) is released from the clamp (6). By means of the door (4) opening slightly after the latching means (5) is pulled, the steam remaining inside the body (2) is provided to be discharged and the dishes to be dried. In another embodiment, the door partial-opener mechanism (9) is a cam moved by a motor which is triggered after the latching means (5) is pulled. By means of the door (4) being pushed controllably by the door partial-opener mechanism (9) after the latching means (5) is pulled, the door (4) does not fall abruptly but is only opened partially. Thus, after the washing process is completed, while the door (4) is provided to be opened partially for discharging the steam, harming of the user or the hinge by falling is prevented (Figure 1 and 2).
  • In an embodiment of the present invention, the door partial-opener mechanism (9) comprises a door partial-opener spring (15), mounted to the surface of the side wall (3) contacting the door (4) and a spring trigger (16) disposed to the end of the door partial-opener spring (15), the length of which changes by heating up when the electric current is supplied, opening the door (4) slightly, resuming its initial length by cooling down when the electric current is cut off and allowing the door (4) to be closed. The door (4), being released after the latching means (5) is pulled, opens slightly by means of the spring trigger (16) which lengthens due to heating. The spring trigger (16) kept heated by supplying electric current during the time period required for discharging steam determined by the producer, gets cold as the current is cut off, resuming its initial state. Thus, the door (4) closes again (Figure 2).
  • By means of the dishwasher (1) of the present invention, the door (4) is provided to be brought to openable condition after the washing process is finished by dislodging the latching means (5) from the clamp (6) with the actuator (7) without requiring user intervention. Thereafter, the door (4) is opened slightly by pushing of the door partial-opener mechanism (9) and effective drying is provided by discharging the steam remaining inside the body (2). Thus, performing high temperature drying process is not necessary. Moreover, safety of the door (4) is provided as a result of the electric line being interrupted upon dislodging of the latching means (5) from the clamp (6) and afterwards is prevented from falling by being opened slowly and partially by means of the door partial-opener mechanism (9).
  • It is to be understood that the present invention is not limited to the embodiments disclosed above and a person skilled in the art can easily introduce different embodiments.

Claims (11)

  1. A dishwasher (1) comprising a body (2), side walls (3) that cover the side surfaces of the body (2), a door (4) providing access into the body (2), a latching means (5) borne to the body (2) such as to move and a clamp (6) situated on the door (4), which locks the door (4) when the latching means (5) is inserted therein, characterized b at least one actuator (7) with one end fixed to the body (2) and the other end fixed to the latching means (5), the length of which changes by heating up when an electric current is supplied and releasing the latching means (5) from the clamp (6) by pulling said latching means (5) towards the body (2).
  2. A dishwasher (1) as in Claim 1, characterized by at least one traverse (8) hung between the side walls (3) at the upper portion of the body (2) and the actuator (7) with one end fixed on the traverse (8), the other end to the latching means (5).
  3. A dishwasher (1) as in any one of the above Claims, characterized by the actuator (7) having a pin (10) that changes length by heating up when current is supplied to the actuator (7).
  4. A dishwasher (1) as in any one of the above Claims, characterized by the latching means (5) in the form of a plate, having a cavity (17) at the portion borne on the body (2) wherein the actuator (7, 107) is disposed.
  5. A dishwasher (1) as in Claims 2 to 4, characterized by a motion transmitter with one end fixed to the latching means (5) such as to rotate, the other end to the actuator (7), mounted to the body (2) or the traverse (8) such as to rotate from a point closer to the actuator (7) than the latching means (5).
  6. A dishwasher (1) as in Claims 2 to 5, characterized by at least one slot (11) situated on the vertical wall of the traverse (8) and a housing (13) mountable inside the slot (11), in the form of a closed box, having at least one aperture (12) on its surface facing the door (4) wherein the latching means (5) can pass, with the actuator (7) fixed on its inner wall.
  7. A dishwasher (1) as in Claims 2 to 6, characterized by two actuators (107, 207), one (207) fixed to the latching means (5) and the other (107) fixed to the traverse (8), their pins (10) being in contact with one another, moving the latching means (5) away from the door (4) while the pins (10) push one another when heated.
  8. A dishwasher (1) as in Claims 3 to 6, characterized by two actuators (107, 207), one (207) fixed to the latching means (5) and the other (107) fixed inside the housing (13), their pins (10) being in contact with one another, moving the latching means (5) away from the door (4) while the pins (10) push one another when heated.
  9. A dishwasher (1) as in Claims 7 or 8, characterized by a shaft (14) disposed between the two actuators (107, 207), with one end mounted to the pin (10) of one and the other end to the pin (10) of the other.
  10. A dishwasher (1) as in any one of the above Claims, characterized by a door partial-opener mechanism (9) disposed on the side wall (3), exerting force toward the door (4), separating the door (4) from the side wall (3) slightly after the latching means (5) is released from the clamp (6).
  11. A dishwasher (1) as in Claim 10, characterized by the door partial-opener mechanism (9) having a door partial-opener spring (15) mounted to the surface of the side wall (3) contacting the door (4) and a spring trigger (16) disposed at the end of the door partial-opener spring (15), the length of which changes by heating up when the electric current is supplied, opening the door (4) slightly, resuming its initial length by cooling down when the electric current is cut off and allowing the door (4) to be closed.
EP10724859.3A 2009-07-07 2010-06-16 A dishwasher with automatically opening door Active EP2451334B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10724859T PL2451334T3 (en) 2009-07-07 2010-06-16 A dishwasher with automatically opening door

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200905279 2009-07-07
PCT/EP2010/058502 WO2011003714A1 (en) 2009-07-07 2010-06-16 A dishwasher with automatically opening door

Publications (2)

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EP2451334A1 EP2451334A1 (en) 2012-05-16
EP2451334B1 true EP2451334B1 (en) 2013-06-05

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EP10724859.3A Active EP2451334B1 (en) 2009-07-07 2010-06-16 A dishwasher with automatically opening door

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EP (1) EP2451334B1 (en)
ES (1) ES2424224T3 (en)
PL (1) PL2451334T3 (en)
WO (1) WO2011003714A1 (en)

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US9084526B2 (en) 2010-05-12 2015-07-21 Miele & Cie. Kg Automatic warewashing machine, in particular a household dishwasher, having an automatically openable door
ITTO20120124A1 (en) * 2012-02-13 2013-08-14 Elbi Int Spa DEVICE FOR CLOSING A DOOR OF A APPLIANCE APPLIANCE, IN PARTICULAR FOR A WASHING MACHINE, AS A DISHWASHER MACHINE.
FR2992157B1 (en) * 2012-06-25 2015-01-09 Fagorbrandt Sas WASHING AND DRYING MACHINE INCLUDING A DOOR OPENING DEVICE
DE102012211254A1 (en) 2012-06-29 2014-01-02 BSH Bosch und Siemens Hausgeräte GmbH Household appliance with a locking arrangement and a door weight balance system
FR2997283B1 (en) * 2012-10-25 2014-11-28 Fagorbrandt Sas WASHING AND DRYING MACHINE COMPRISING A PARTIAL DOOR OPENING DEVICE
WO2014088910A1 (en) * 2012-12-07 2014-06-12 Illinois Tool Works Inc. Device for opening a door of a dishwasher
DE102013109620A1 (en) * 2013-09-04 2015-03-05 Miele & Cie. Kg Household appliance with automatic door opening mechanism
DE102018008895B4 (en) 2018-03-29 2020-09-17 Emz-Hanauer Gmbh & Co. Kgaa Household appliance with door opener
PL3773121T3 (en) * 2018-04-02 2022-02-14 Arçelik Anonim Sirketi A dishwasher comprising a door lock bolt with improved assembly
DE102021108809B4 (en) * 2020-05-08 2022-12-15 Emz-Hanauer Gmbh & Co. Kgaa Electrical household appliance
DE102021113554A1 (en) 2021-05-26 2022-12-01 Emz-Hanauer Gmbh & Co. Kgaa Door mechanism of an electrical household appliance with an automatic door opening function
KR102466442B1 (en) * 2021-08-20 2022-11-11 엘지전자 주식회사 Dish washer
WO2025061279A1 (en) * 2023-09-20 2025-03-27 Electrolux Appliances Aktiebolag Dishwasher with a reinforcing frame structure

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DE4420775C1 (en) * 1994-06-15 1995-08-03 Ymos Ag Ind Produkte Dishwasher with casing having front opening closable by door
DE9421812U1 (en) * 1994-10-25 1997-01-23 Bauknecht Hausgeräte GmbH, 70565 Stuttgart Device for drying dishes in a dishwasher
DE102005028448B4 (en) * 2005-06-17 2007-09-27 Miele & Cie. Kg dishwasher
US8557053B2 (en) * 2008-11-26 2013-10-15 Electrolux Home Products, Inc. Actuator assembly and associated apparatuses

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WO2011003714A1 (en) 2011-01-13
EP2451334A1 (en) 2012-05-16
PL2451334T3 (en) 2013-11-29
ES2424224T3 (en) 2013-09-30

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