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51. 发明专利

JPH10165691A WASHING MACHINE 失效
公开(公告)号：JPH10165691A
公开(公告)日：1998-06-23
申请号：JP35435597
申请日：1997-12-24
申请人： HITACHI LTD
发明人： KAMANO TOSHIYASU , SHIKAMORI TAMOTSU , SUZUKI YOSHIHIRO , MIYANO YUZURU
IPC分类号： D06F39/08 , D06F39/12
摘要： PROBLEM TO BE SOLVED: To repair a drain hose under such a state as installing a washing machine, have superior workability, and improve reliability of workability by arranging an air trap for a water level sensor, to which the bottom end of an air tube extending from the level sensor as hanging, in the bottom side of an outer tub in the adjacent to the front face opening part side. SOLUTION: A frame body 1 whose horizontal cross section is an approximately steel plate member has an opening part 32 formed in the side face which corresponds to the front face part of a washing machine. A connecting part between an air tube 31 for water level detection and an air trap 5b of an outer tub 2, a connecting part, between a drain hose 29 and a drain valve 28, a connecting part of a wire harness 40 for electrically connecting an electric parts in the top of a control unit 16, etc., with electric parts arranged in the bottom of a motor 8, etc., the drain valve 28, the drain hose 29, and a drain hose outlet port are all arranged in such positions as being approachable from the opening part 32. This constitution allows the inside of the washing machine to be inspected from the opening part 32 under such a state as installing the washing machine.

52. 发明专利

JPH1085483A FULL AUTOMATIC WASHING MACHINE 失效
公开(公告)号：JPH1085483A
公开(公告)日：1998-04-07
申请号：JP24321996
申请日：1996-09-13
申请人： HITACHI LTD
发明人： MIYANO YUZURU , KAMANO TOSHIYASU , SHIKAMORI TAMOTSU , OSUGI HIROSHI
IPC分类号： D06F37/12
摘要： PROBLEM TO BE SOLVED: To reduce a remaining material generated at the time of manufacturing by bending the material of a rectangular stainless steel plate to be cylindrical to fit both ends, connecting this fitted part by welding, etc., and then bending it to an upper end to form a flange part and bending a lower end an inside to form a reinforcing member fixing part. SOLUTION: A washing and dewatering tank 2 is respectively provided with a barrel plate 41 and a bottom plate 42. The barrel plate 41 is formed by forming a flat plate to be cylindrical and fixing an end part by seam-fold- crimping, and the bottom plate 42 in a nearly disk shape fastens the outer peripheral part of the tip part to the barrel plate 41 by the seam-fold-crimping 2b through a flange part. In addition, a resin-made fluid balancer 3 incorporating a fluid in the shape of a hollow ring is arranged for the upper end part of the barrel plate 41 and is fitted from the outside of the washing and dewatering tank 2 and is fixed to the barrel plate 41 with a screw 43. On the other hand, a reinforcing member 15 with a screw boss part for fixing the fixing hole part with a dewatering axis 11b and the bottom plate 42 is arranged at the bottom part center of the bottom plate 42 and fastened by a screw 45.

53. 发明专利

JPH1057663A OPERATION CONTROL METHOD FOR FULLY AUTOMATIC WASHING MACHINE 失效
公开(公告)号：JPH1057663A
公开(公告)日：1998-03-03
申请号：JP21966396
申请日：1996-08-21
申请人： HITACHI LTD
发明人： NIWASE YOSHIO , SANO SOICHI , HIYAMA ISAO , KAMANO TOSHIYASU , SHINKO YASUSHI , WATANABE MASAO
IPC分类号： D06F33/02
摘要： PROBLEM TO BE SOLVED: To realize a smooth washing process by reducing a phenomenon in which an outer drum is in contact with an outer frame when the outer frame and a washing/dewatering drum vibrate significantly and preventing dewatering ability from lowering due to the lack in rotation frequency for dewatering resulting from the above phenomenon. SOLUTION: When clothes are suddenly moved or water contained in clothes with low water permeability is suddenly flown out during a continuous dewatering process, the rotation frequency of a washing/dewatering drum is significantly reduced. By utilizing this phenomenon, a rotation frequency is continuously measured during the continuous dewatering process, a specified rotation frequency is compared with the rotation frequency significantly reduced, when the difference is higher than a value specified, it is determined as a failure dewatering process, and the motor is turned off, the washing/dewatering drum is fed with water to a specified water level by a water feeding device, clothes are smoothed by circulation, then the dewatering process is performed again.

54. 发明专利

JPH1057657A OPERATION CONTROL METHOD FOR FULLY AUTOMATIC WASHING MACHINE 失效
公开(公告)号：JPH1057657A
公开(公告)日：1998-03-03
申请号：JP21966196
申请日：1996-08-21
申请人： HITACHI LTD
发明人： SANO SOICHI , NIWASE YOSHIO , HIYAMA ISAO , KAMANO TOSHIYASU , SHINKO YASUSHI , WATANABE MASAO
IPC分类号： D06F23/04 , D06F33/02 , D06F37/40 , D06F49/04
摘要： PROBLEM TO BE SOLVED: To realize a smooth washing process by reducing a noise which often occurs because a motor torque is applied momentarily when a motor turns on during dewatering process. SOLUTION: Several rotation frequencies are set for dewatering process, a motor is turned on until a specified rotation frequency is reaches, when a spinning tub reaches the specified rotation frequency, the motor is turned on and off for a specified time, the motor is continuously turned on until the next specified rotation frequency is reached, and the motor is turned on and off for a specified time each time a specified rotation frequency is reached. A first specified rotation frequency is lower than the resonance point and a second specified rotation frequency is higher than the resonance point, and other rotation frequencies can be set as desired. When the motor is turned on, phase control is performed for several ms.

55. 发明专利

JPH1024196A ANTIBACTERIAL WASHING MACHINE 失效
公开(公告)号：JPH1024196A
公开(公告)日：1998-01-27
申请号：JP20299296
申请日：1996-07-12
申请人： NISSHIN STEEL CO LTD , HITACHI LTD
发明人： HASEGAWA MORIHIRO , MIYAKUSU KATSUHISA , OKUBO NAOTO , NAKAMURA SADAYUKI , KAMANO TOSHIYASU , MIYANO YUZURU , SHIBATA MASATO
IPC分类号： D06F39/12
摘要： PROBLEM TO BE SOLVED: To obtain a clean washing machine by making a basket of an antibacterial material. SOLUTION: At least a part of the body plate 25 and the bottom plate 26 of a basket 20 (washing and dehydrating tub) is formed of a ferrite stainless steel material, the second phase of which contains 0.4 to 3wt.% Cu and consists of mainly Cu has precipitated at a rate of 0.2% vol in a matrix. Therefore, the material itself shows an antibacterial property and presents the beautiful appearance unique to a stainless steel material, providing a clean washing machine.

56. 发明专利

JPH1024187A FULL AUTOMATIC WASHING MACHINE 失效
公开(公告)号：JPH1024187A
公开(公告)日：1998-01-27
申请号：JP18439396
申请日：1996-07-15
申请人： HITACHI LTD
发明人： KOYAMA TAKAMI , ISHIKAWA SHUNICHI , KAMANO TOSHIYASU , KATANE KAZUTOSHI , SHIKAMORI TAMOTSU
IPC分类号： D06F37/12 , D06F35/00
摘要： PROBLEM TO BE SOLVED: To prevent fabrics from being damaged, ensure the washing force and the dehydration force, and also prevent vibration, noises and a stoppage in the middle of washing, etc., from generating by constituting a clothes housing body of a net form member comprising of a combined thread of which the major component is a polyester thread or polyester. SOLUTION: A clothes housing body is formed of an internal net 61a and an external net 61b comprising of a fine net having circulating and filtering functions for washing water, an internal frame 61c made of a synthetic resin, and an external frame 61i, into an approx. flat bag-shape which goes along the inner peripheral surface of a washing tank which works as a dehydration tank as well. Then, the clothes housing body is fitted on the inner peripheral part of the washing tank which works as a dehydration tank as well. The internal net 61a and the external net 61b are constituted of a thread of 100% polyester, or a combined thread comprising of a plurality of materials at least the major components of which is polyester. Polyester is most suitable in order to ensure the chemical resistances to detergent, bleach and fabric softener, etc., and when waterproofness and shrink resistance, etc., are taken under consideration. The nets house clothes, etc., being easy to damage, and can be washed together with normal laundry.

57. 发明专利

JPH09299679A FULLY AUTOMATIC WASHING MACHINE 失效
公开(公告)号：JPH09299679A
公开(公告)日：1997-11-25
申请号：JP12434796
申请日：1996-05-20
申请人： HITACHI LTD
发明人： KAMANO TOSHIYASU , ISHIKAWA SHUNICHI , KOYAMA TAKAMI , SHIKAMORI TAMOTSU
IPC分类号： D06F35/00 , B01D35/027 , D06F37/12 , D06F39/10 , D06F58/22
摘要： PROBLEM TO BE SOLVED: To wash the clothes concerned about fabric damage and the sticking of waste threads concurrently with the normal laundry by fitting a clothes storage body storing the desired laundry within the laundry put in a washing/spin-drying tub having stirring vanes at the bottom section without mixing with the other laundry to the inner peripheral section of the washing/spin-drying tub. SOLUTION: The vertical size of a clothes storage body 61 fitted to the inner peripheral section of a washing/spin-drying tub 2 is set to such a size that the clothes storage body is submerged at the highest water level and not exposed at the lowest water level, and the clothes storage body 61 is formed with an inside net 61 a having fine meshes and an outside net into a substantially flat bag shape. An opening section 61d openable by an opening/closing means such as a fastener is provided at the upper section of the clothes storage body 61 as a port for taking-in/out clothes, and a synthetic resin frame section 61c is provided on its outer peripheral section to secure the proper rigidity and elasticity of the clothes storage body 61. The clothes storage body 61 is fitted via the coupling of a fitting section provided on the frame section 61c and a holder provided on the inner peripheral wall of the washing/spindrying tub 2.

58. 发明专利

JPH0994374A FULLY AUTOMATIC WASHING MACHINE 失效
公开(公告)号：JPH0994374A
公开(公告)日：1997-04-08
申请号：JP25242495
申请日：1995-09-29
申请人： HITACHI LTD
发明人： KAMANO TOSHIYASU , MIYANO YUZURU , SHIKAMORI TAMOTSU
IPC分类号： D06F37/12 , D06F23/04 , D06F37/00 , D06F39/12
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive highly rigid spinning tub with improved productivity and to perform high-speed dehydration by attaching a fluid balancer made of a synthetic resin containing the specified ratio of glass fiber to the upper part of the spinning tub. SOLUTION: In the spinning tub, a body plate 41 and a bottom plate 42 are respectively formed by stainless steel plates, an upper part balancer 3 is formed by providing a skirt part 3a on an outer peripheral part and it is fitted to the small diameter part 41a of the body plate 41 and fixed by a screw 43. Also, a lower part balancer 4 is disposed in the shape of being included in the bottom plate 42 and it is fixed by a screw 44. Then, the upper part balancer 3 is formed by a glass fiber reinforced polypropylene and the content of the glass is set to 7-12%, preferably 10% or so. Also, a circulation path cover 48 is disposed on the inner peripheral side wall surface of the spinning tub, an ejection port 50 is provided towards the inner part of the spinning tub tank on the upper part and a net 51 for collecting waste thread is freely attachably and detachably mounted to the ejection port 50.

59. 发明专利

JPH0970493A DEHYDRATING OPERATION CONTROLLER FOR DEHYDRATING AND WASHING MACHINE 失效
公开(公告)号：JPH0970493A
公开(公告)日：1997-03-18
申请号：JP22797795
申请日：1995-09-05
申请人： HITACHI LTD
发明人： OBATA MASAO , SHIKAMORI TAMOTSU , KAMANO TOSHIYASU , HIYAMA ISAO , KOIKE TOSHIFUMI , OBAYASHI SHIRO
IPC分类号： D06F33/02
摘要： PROBLEM TO BE SOLVED: To suppress small an amplitude in ordinary dehydrating revolution at the time of dehydration by correcting the uneven location of laundry by controlling a driving device and/or a water supply valve and a water drain valve corresponding to the amplitude detected result from 1st and 2nd imbalance detectors at the time of dehydrating operation. SOLUTION: 1st and 2nd imbalance detectors 17 and 18 are adjacently installed so as to prevent the effect of the amplitude of whirling caused by difference in fitting positions, and turned on/off while being interlocked with the open/close of a lid 2. Further, in the state of closing the lid 2, the 1st imbalance detector 17 detects the amplitude of whirling at the upper part of an outer tub 3 exceeding the value set as an allowable amplitude at the time of 1st-order and 2nd-order resonant point passage in the case of starting dehydration operation while using a detection lever 17a arranged away from the outer peripheral face of the upper part of the outer tub 3. Then, the 2nd imbalance detector 18 detects the amplitude of whirling of the outer tub 3 exceeding the allowable amplitude value in an ordinary dehydrating revolution area exceeding the 2nd-order resonant point.

60. 发明专利

JPH0956985A FULLY AUTOMATIC WASHING MACHINE 失效
公开(公告)号：JPH0956985A
公开(公告)日：1997-03-04
申请号：JP21146095
申请日：1995-08-21
申请人： HITACHI LTD
发明人： SUZUKI YOSHIHIRO , SHIKAMORI TAMOTSU , KAMANO TOSHIYASU , MIYANO YUZURU , KATANE KAZUTOSHI
IPC分类号： D06F39/08
摘要： PROBLEM TO BE SOLVED: To improve the washing power by constituting one shower mechanism out of plural shower mechanism so as to be able to sprinkle washing water onto the whole area of inside a basket, in the case of a fully automatic washing machine equipped with plural shower mechanism to discharge washing water into the inner part of a washing dewatering basket. SOLUTION: The heights of circulation water passage covers 26, 28 provided at the four places of the inside wall surface of an inner basket 5 at the fully automatic washing machine extend to the upper part of the inner basket wall surface, and at the lower parts water leading opening parts that are opposite to the outer periphery of a bath blade 7a are provided. At the upper parts of the cover 26, 28, discharge opening parts 26b, 28b are provided. It is formed that washing water discharged from the discharge opening part 28b becomes shower to be spread over the whole area of the inner basket 5, that is, the washing water spreads at the center of the inner basket 5 with more than 70% of an inner basket diameter ratio in a case in which the washing water is sprinkled at the time of the water level of more than middle point of the height of the inner basket 5 in the state of water alone contained without the washing, and the wide angle of the side wall of the discharge opening part 28b is made to be more than 30 deg..

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