A washer includes a plurality of washing devices for spraying washing water to an object to be washed from various directions of a washing tub, and a washing water feeding device for feeding the washing water. The washing water is sequentially sprayed from respective washing devices. Thus, the washi
A washer includes a plurality of washing devices for spraying washing water to an object to be washed from various directions of a washing tub, and a washing water feeding device for feeding the washing water. The washing water is sequentially sprayed from respective washing devices. Thus, the washing water can be sprayed to eating utensils from the various directions without increasing fed water, and a washing effect is improved. Speedy washing, energy saving, and water saving can be also achieved.
대표청구항▼
The invention claimed is: 1. A washer comprising: washing devices for sequentially spraying washing water from various directions to an object to be washed, each of said washing devices having a spray port from which the washing water is to be sprayed; a washing water feeding device for feeding the
The invention claimed is: 1. A washer comprising: washing devices for sequentially spraying washing water from various directions to an object to be washed, each of said washing devices having a spray port from which the washing water is to be sprayed; a washing water feeding device for feeding the washing water to said washing devices; a controller for controlling an operation of said washing water feeding device; at least one rack for holding the object to be washed; a washing tub for accommodating said at least one rack, said washing tub having an opening; a cover for opening or closing the opening of said washing tub; feeding/discharging passages for feeding/discharging the washing water and for coupling said washing water feeding device with said washing devices, respectively; and a water dividing structure including (i) a rotary water dividing unit having a wall defining a hollow interior, and plural discharge ports in said wall and communicating with said hollow interior, with at least one of said plural discharge ports being in a portion of said wall that is substantially orthogonal to a rotational axis of said rotary water dividing unit, and (ii) a driving device for rotating said rotary water dividing unit about the rotational axis, wherein said water dividing structure is for allowing the washing water to be sequentially fed to each of said washing devices by allowing the washing water, when fed by said washing water feeding device, to enter into said hollow interior and then be discharged from said plural discharge ports into said feeding/discharging passages upon rotation of said rotary water dividing unit, and wherein, of said washing devices, at least one is disposed in a lower part of said washing tub, at least one is disposed in an upper part of said washing tub, and at least one is disposed on a back face of said washing tub. 2. The washer according to claim 1, wherein said water dividing structure further includes (iii) an aqueduct for guiding the washing water, when pressurized by said washing water feeding device, into said hollow interior, and (iv) a divided water output unit having divided water discharge ports, said feeding/discharging passages being coupled to said divided water discharge ports, respectively, with said rotary water dividing unit being rotatably disposed at a position facing said divided water output unit, and with said plural discharge ports and said divided water discharge ports being arranged so that, during rotation of said rotary water dividing unit, said plural discharge ports sequentially faces said divided water discharge ports to feed the washing water from said hollow interior, after being guided thereinto by said aqueduct, through said plural discharge ports sequentially to said feeding/discharging passages, such that the washing water is guided to each of said washing devices and is sprayed from each of said washing devices. 3. The washer according to claim 2, wherein said driving device is to control said rotary water dividing unit such that said plural discharge ports face said divided water discharge ports during a process of feeding the washing water to said washing tub. 4. The washer according to claim 2, wherein said driving device is to control said rotary water dividing unit such that said plural discharge ports face said divided water discharge ports during a process of draining the washing water. 5. The washer according to claim 1, wherein said wall includes a substantially cylindrical portion, with said plural discharge ports other than said at least one of said plural discharge ports being in said substantially cylindrical portion, and with said plural discharge ports being arranged so that the washing water discharged from said plural discharge ports is sprayed simultaneously from at least two of said washing devices, and the washing water is sprayed sequentially by said washing devices. 6. The washer according to claim 1, wherein said driving device is for setting any rotational speed of said rotary water dividing unit, and said rotary water dividing unit is designed to rotate at any rotational speed set by said driving device. 7. The washer according to claim 1, wherein said driving device has a rotational angle detecting mechanism for detecting a rotational angle of said rotary water dividing unit. 8. The washer according to claim 1, wherein said driving device is for forwardly and reversely rotating said rotary water dividing unit. 9. The washer according to claim 1, wherein said wall comprises a substantially cylindrical wall, with said plural discharge ports other than said at least one of said plural discharge ports being in said substantially cylindrical wall so that respective rotation tracks of said plural discharge ports other than said at least one of said plural discharge ports are different from each other. 10. The washer according to claim 1, wherein said rotary water dividing unit has a horizontally disposed rotatable shaft. 11. The washer according to claim 1, wherein said washing water feeding device comprises a washing pump having a washing pump discharge port, and said driving device has a driving shaft, with said driving shaft being disposed in a substantially identical direction relative to a flow direction of the washing water when discharged from said washing pump discharge port, and with said driving device being disposed on an a side of said rotary water dividing unit that is opposite to a side of said rotary water dividing unit on which is disposed said washing pump discharge port. 12. The washer according to claim 1, further comprising: divided water discharge ports coupled to said feeding/discharging passages, respectively, wherein a circumferential length of at least one of said plural discharge ports is substantially equal to or longer than a circular arc length between respective openings of adjacent said divided water discharge ports. 13. The washer according to claim 1, further comprising: divided water discharge ports coupled to said feeding/discharging passages, respectively, wherein a circumferential length of at least one of said plural discharge ports is substantially equal to or longer than a sum of a circular arc length of any of said divided water discharge ports and a circular arc length between respective openings of adjacent said divided water discharge ports. 14. The washer according to claim 1, wherein said controller is for controlling the operation of said washer water feeding device so as to spray the washing water from any one of said washing devices. 15. The washer according to claim 14, wherein said water dividing structure further comprises a rotational position detecting mechanism, and said controller is for controlling the operation of said washer water feeding device so as to spray the washing water from one of a substantially upper part and a substantially side part of said washing tub during completion of at least any rinsing process of a washing procedure. 16. The washer according to claim 14, wherein said water dividing structure is for controlling a feeding time of the washing water to each of said washing devices, and said controller is for controlling the operation of said washer water feeding device so that a spray time of each of said washing devices is set to a predetermined time. 17. The washer according to claim 14, wherein said controller is for controlling the operation of said washer water feeding device so that a first spray time of each of said washing devices during a primary washing process is longer than a second spray time of each of said washing devices during a rinsing process. 18. The washer according to claim 14, wherein said water dividing structure is to feed the washing water to a specific one of said washing devices, and said controller is for controlling the operation of said washer water feeding device so that the washing water is selectively sprayed to the object to be washed accommodated in a partial region of said at least one rack. 19. The washer according to claim 18, wherein said controller is for controlling the operation of said washing water feeding device such that during any washing process the washing water is sequentially sprayed from all of said washing devices. 20. The washer according to claim 14, wherein said at least one rack comprises plural racks, the object to be washed comprises eating utensils having substantially similar shapes, and said plural racks are constructed and arranged to have placed therein the eating utensils. 21. The washer according to claim 20, wherein said controller is for controlling the operation of said washing water feeding device such that during any washing process the washing water is sequentially sprayed from all of said washing devices. 22. The washer according to claim 1 further comprising a functional device, wherein at least one of said feeding/discharging passages communicates with said functional device. 23. The washer according to claim 22, wherein said functional device has a foreign matter collecting mechanism for collecting foreign matter contained in the washing water. 24. The washer according to claim 1 further comprising a draining passage for draining the washing water from said washing tub, wherein one of said feeding/discharging passages communicates with said draining passage. 25. The washer according to claim 1, wherein said washing water feeding device is vertically disposed. 26. The washer according to claim 1 wherein said water dividing structure is disposed between said washing water feeding device and said washing devices, said water dividing structure further includes a divided water output unit having divided water discharge ports, said washing devices communicate with said divided water discharge ports, respectively, via said feeding/discharging passages, and said divided water output unit is associated with said rotary water dividing unit so that said plural discharge ports other than said at least one of said plural discharge ports sequentially faces and communicates with all but at least one of said divided water discharge ports, and said at least one of said plural discharge ports communicates with said all but at least one of said divided water discharge ports, when said rotary water dividing unit rotates such that upon rotation of said rotary water dividing unit, after the washing water enters said hollow interior, the washing water is discharged from said plural discharge ports into said feeding/discharging passages through said divided water discharge ports, respectively. 27. The washer according to claim 1, wherein said driving device is to rotate said rotary water dividing unit during a process of feeding the washing water to said washing tub. 28. The washer according to claim 1, wherein said driving device is to rotate said rotary water dividing unit during a process of draining the washing water. 29. The washer according to claim 1, wherein said controller is for controlling the operation of said washer water feeding device so as to spray the washing water from any one of said washing devices. 30. The washer according to claim 1, wherein at least one of said washing devices is for spraying the washing water while said at least one of said washing devices is turning. 31. A washer comprising: washing devices for sequentially spraying washing water from various directions to an object to be washed, each of said washing devices having a spray port from which the washing water is to be sprayed; a washing water feeding device for feeding the washing water to said washing devices, said washing water feeding device having a washing water feeding device discharge port; a controller for controlling an operation of said washing water feeding device; at least one rack for holding the object to be washed; a washing tub for accommodating said at least one rack, said washing tub having an opening; a cover for opening or closing the opening of said washing tub; feeding/discharging passages for feeding/discharging the washing water and for coupling said washing water feeding device with said washing devices, respectively; and a water dividing structure having a driving device and a divided water output unit, said divided water output unit having plural divided water discharge ports, and said water dividing structure for allowing the washing water to be sequentially fed to each of said washing devices, wherein at least one of said plural divided water discharge ports is formed at a position higher than that of said washing water feeding device discharge port, wherein, of said washing devices, at least one is disposed in a lower part of said washing tub, at least one is disposed in an upper part of said washing tub, and at least one is disposed on a back face of said washing tub, and wherein at least one of said plural divided water discharge ports is in a portion of a wall that is substantially orthogonal to an axis of said divided water output unit. 32. A washer comprising: washing devices for sequentially spraying washing water from various directions to an object to be washed, each of said washing devices having a spray port from which the washing water is to be sprayed; a washing water feeding device for feeding the washing water to said washing devices; a controller for controlling an operation of said washing water feeding device; at least one rack for holding the object to be washed; a washing tub for accommodating said at least one rack, said washing tub having an opening; a cover for opening or closing the opening of said washing tub; feeding/discharging passages for feeding/discharging the washing water and for coupling said washing water feeding device with said washing devices, respectively; and a water dividing structure including (i) a changeover unit having a rotary water dividing unit with a discharge port, (ii) a driving device for rotating said rotary water dividing unit, and (iii) a divided water output unit having divided water discharge ports, with a cross sectional area of at least a first of said divided water discharge ports and a passage cross sectional area of a first of said feeding/discharging passages communicating with said first of said divided water discharge ports each being larger than an opening area of said discharge port, wherein said rotary water dividing unit faces said divided water output unit and said discharge port and said divided water discharge ports are arranged so that, during rotation of said rotary water dividing unit, said discharge port sequentially faces said divided water discharge ports to feed the washing water, when pressurized by said washing water feeding device, from said rotary water dividing unit sequentially to said divided water discharge ports such that the washing water is fed sequentially to each of said feeding/discharging passages, is guided to each of said washing devices, and is sprayed from each of said washing devices, and wherein, of said washing devices, at least one is disposed in a lower part of said washing tub, at least one is disposed in an upper part of said washing tub, and at least one is disposed on a back face of said washing tub. 33. The washer according to claim 32, wherein an opening of said first of said divided water discharge ports has a rectangular or substantially elliptical shape that is circumferentially longer than a shape of an opening of said discharge port. 34. The washer according to claim 33, wherein said first of said feeding/discharging passages comprises a first passage that changes in cross sectional area from that of said first of said divided water discharge ports to that of a second of said feeding/discharging passages, and a second passage having a cross sectional area that is substantially identical to a passage cross sectional area of a second of said divided water discharge ports. 35. The washer according to claim 32, wherein said water dividing structure further includes an aqueduct for guiding the washing water, when pressurized by said washing water feeding device, to said changeover unit. 36. A washer comprising: washing devices for sequentially spraying washing water from various directions to an object to be washed, each of said washing devices having a spray port from which the washing water is to be sprayed; a washing water feeding device for feeding the washing water to said washing devices; a controller for controlling an operation of said washing water feeding device; at least one rack for holding the object to be washed; a washing tub for accommodating said at least one rack, said washing tub having an opening; a cover for opening or closing the opening of said washing tub; feeding/discharging passages for feeding/discharging the washing water and for coupling said washing water feeding device with said washing devices, respectively; and a water dividing structure including (i) a changeover unit having a rotary water dividing unit with discharge ports, with at least one of said discharge ports being in a portion of said rotary water dividing unit that is substantially orthogonal to a rotational axis of said rotary water dividing unit, (ii) a driving device for rotating said rotary water dividing unit, and (iii) a divided water output unit having divided water discharge ports, wherein at least one of said plural divided water discharge ports is in a portion of a wall that is substantially orthogonal to an axis of said divided water output unit, with said rotary water dividing unit and said divided water output unit being disposed so as to prevent all of said discharge ports from simultaneously communicating with said divided water discharge ports during rotation of said rotary water dividing unit, wherein said rotary water dividing unit faces said divided water output unit and said discharge ports and said divided water discharge ports are arranged so that, during rotation of said rotary water dividing unit, said discharge ports sequentially face said divided water discharge ports to feed the washing water, when pressurized by said washing water feeding device, from said rotary water dividing unit sequentially to said divided water discharge ports such that the washing water is fed sequentially to each of said feeding/discharging passages, is guided to each of said washing devices, and is sprayed from each of said washing devices, and wherein, of said washing devices, at least one is disposed in a lower part of said washing tub, at least one is disposed in an upper part of said washing tub, and at least one is disposed on a back face of said washing tub. 37. The washer according to claim 36, wherein an opening of at least one of said discharge ports has a rectangular or substantially elliptical shape that is circumferentially longer than shapes of the openings of the other of said discharge ports. 38. The washer according to claim 36, wherein said discharge ports and said divided water discharge ports are formed in said rotary water dividing unit and said divided water output unit, respectively, so that the washing water is always to be discharged from one of said washing devices. 39. The washer according to claim 36, wherein an opening of at least a first of said divided water discharge ports has a rectangular or substantially elliptical shape that is circumferentially longer than shapes of openings of the other of said divided water discharge ports, and a first of said feeding/discharging passages communicating with a first of said divided water discharge ports has a cross sectional area larger than cross sectional areas of the other of said feeding/discharging passages. 40. The washer according to claim 36, wherein said water dividing structure further includes an aqueduct for guiding the washing water, when pressurized by said washing water feeding device, to said changeover unit. 41. A washer comprising: washing devices for sequentially spraying washing water from various directions to an object to be washed, each of said washing devices having a spray port from which the washing water is to be sprayed; a washing water feeding device for feeding the washing water to said washing devices; a controller for controlling an operation of said washing water feeding device; at least one rack for holding the object to be washed; a washing tub for accommodating said at least one rack, said washing tub having an opening; a cover for opening or closing the opening of said washing tub; feeding/discharging passages for feeding/discharging the washing water and for coupling said washing water feeding device with said washing devices, respectively; and a water dividing structure including (i) a changeover unit having a rotary water dividing unit with discharge ports, (ii) a driving device for rotating said rotary water dividing unit, and (iii) a divided water output unit having divided water discharge ports, with said rotary water dividing unit and said divided water output unit being disposed so as to prevent all of said discharge ports from simultaneously communicating with said divided water discharge ports during rotation of said rotary water dividing unit, wherein said rotary water dividing unit faces said divided water output unit and said discharge ports and said divided water discharge ports are arranged so that, during rotation of said rotary water dividing unit, said discharge ports sequentially face said divided water discharge ports to feed the washing water, when pressurized by said washing water feeding device, from said rotary water dividing unit sequentially to said divided water discharge ports such that the washing water is fed sequentially to each of said feeding/discharging passages, is guided to each of said washing devices, and is sprayed from each of said washing devices, wherein, of said washing devices, at least one is disposed in a lower part of said washing tub, at least one is disposed in an upper part of said washing tub, and at least one is disposed on a back face of said washing tub, and wherein said divided water output unit includes a passage varying device for varying passage cross sections of said feeding/discharging passages. 42. A washer comprising: washing devices for sequentially spraying washing water from various directions to an object to be washed, each of said washing devices having a spray port from which the washing water is to be sprayed; a washing water feeding device for feeding the washing water to said washing devices; a controller for controlling an operation of said washing water feeding device; at least one rack for holding the object to be washed; a washing tub for accommodating said at least one rack, said washing tub having an opening; a cover for opening or closing the opening of said washing tub; feeding/discharging passages for feeding/discharging the washing water and for coupling said washing water feeding device with said washing devices, respectively; a water dividing structure having a driving device, said water dividing structure for allowing the washing water to be sequentially fed to each of said washing devices; and a blowing device for feeding air, wherein said blowing device has a fan and an open/close valve, said open/close valve is for switching between the washing water and the air, and said blowing device is constructed and arranged to feed the air sequentially from said plurality of washing devices after switching of said open/close valve, and wherein, of said washing devices, at least one is disposed in a lower part of said washing tub, at least one is disposed in an upper part of said washing tub, and at least one is disposed on a back face of said washing tub. 43. The washer according to claim 42, wherein said washing water feeding device has a pump, said pump is for feeding the washing water and feeding the air, and said pump is for feeding the air after switching of the open/close valve. 44. The washer according to claim 42, wherein said water dividing structure further has (i) a rotary water dividing unit having at least one discharge port, (ii) a divided water output unit having divided water discharge ports, with said feeding/discharging passages being coupled to said divided water discharge ports, respectively, and (ii) an aqueduct for guiding the washing water, when pressurized by said washing water feeding device, to said rotary water dividing unit, with said rotary water dividing unit being rotatably disposed at a position facing said divided water output unit and said at least one discharge port and said divided water discharge ports being arranged so that, during rotation of said rotary water dividing unit, said at least one discharge port sequentially faces said divided water discharge ports to feed the washing water, after having been guided by said aqueduct to said rotary water dividing unit, through said at least one discharge port sequentially to said feeding/discharging passages, such that the washing water is guided to each of said washing devices and is sprayed from each of said washing devices.
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