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1. 发明专利

JP2000346304A METHOD AND APPARATUS FOR PREDICTING TEMPERATURE OF BOILER HEAT TRANSFER TUBE WALL 失效
公开(公告)号：JP2000346304A
公开(公告)日：2000-12-15
申请号：JP16039699
申请日：1999-06-08
申请人： HITACHI LTD , BABCOCK HITACHI KK
发明人： FUKUCHI TAKESHI , IWAMOTO HIDEAKI , YAMAMOTO KENJI , CHAGI MASAO
IPC分类号： F22B37/38
摘要： PROBLEM TO BE SOLVED: To predict temperature of a boiler heat transfer tube wall during operations including non-steady operation in response to operation conditions. SOLUTION: The method for predicting a boiler heat transfer tube wall temperature comprises the steps of dividing a furnace space into a plurality of three-dimensional factors to set a furnace analyzing factor, dividing a heat transfer tube wall into a plurality of one-dimensional or two-dimensional factors to set a heat transfer tube wall analyzing factor, dividing a boundary of the analyzing factors into a plurality of two-dimensional elements to set an interface factor, analyzing the heat transfer in the furnace according to a furnace heat transfer analyzing model based on a furnace analyzing factor, replacing a heat transfer amount distribution of the tube wall obtained by the previous analysis with heat transfer amount of each interface factor, then replacing the heat transfer amount of the each interface factor with a heat transfer amount of each heat transfer tube wall analyzing factor, calculating a heat transfer tube wall temperature with a heat transfer tube wall analyzing model base on the amount of each tube analyzing factor to satisfy a consistency of analyzing factors of the furnace heat transfer analysis and the tube wall heat transfer analysis, and predicting the tube wall temperature when operated including a non-steady time corresponding to the boiler operating conditions.

2. 发明专利

JPH07290029A GARBAGE DISPOSAL MACHINE 失效
公开(公告)号：JPH07290029A
公开(公告)日：1995-11-07
申请号：JP8433094
申请日：1994-04-22
申请人： HITACHI LTD , HITACHI TAGA TECH KK
发明人： FUKUCHI TAKESHI , NATSUNO KENJI , HAMADA KENICHI
IPC分类号： B65F1/14 , B09B3/00 , C05F9/02 , H05B3/20
摘要： PURPOSE:To uniformly heat the large area of the treating tank at low temps. in a garbage disposal machine to aerobically decompose the garbage by making the treating tank from a polyolefin resin, sticking a surface cord heater to the periphery of the treating tank and covering the heater with a flame- retardant foamed sheet. CONSTITUTION:A culture medium and aerobes are placed in the treating tank 1 having an impeller 2 and a ventilator, and garbage is charged into the tank and agitated in the garbage disposal machine. The treating tank 1 with a shape having the arc more than the semicircle is made from a polyolefin resin such as PP and PE difficult to thermally deform and excellent in formability, and a surface cord heater 40 is stuck to the periphery surface of the tank 1 over a wide area and covered with a flame-retardant foamed sheet 50 for heat insulation, flametightness and extinction of fire. Consequently, the tank is widely heated, the supply of power to the heater 40 is controlled in accordance with the external air temp.

3. 发明专利

JPH07132275A GARBAGE TREATING MACHINE 失效
公开(公告)号：JPH07132275A
公开(公告)日：1995-05-23
申请号：JP27924193
申请日：1993-11-09
申请人： HITACHI LTD
发明人： FUKUCHI TAKESHI , NATSUNO KENJI
IPC分类号： B65F1/14 , B09B3/00
摘要： PURPOSE:To provide a garbage treating machine which utilizes culture base materials, such as sawdust, and is capable of measuring the life of the culture base materials by means of a sensor without relaying on users' perception unlike heretofore. CONSTITUTION:This garbage treating machine is constituted to decompose the crude refuse and to reduce its weight by the effect of aerobic bacteria by putting the culture base materials 3 and the aerobic bacteria into a crude refuse treating tank 1 having agitating vanes 2 and a ventilator, charging the crude refuse therein and agitating the crude refuse. The garbage treating machine is provided with means for detecting the life of the culture base materials 3 in the crude refuse treating tank 1 when the change in the rotating power required for rotating the agitating vanes 2 exceeds the preset certain threshold value.

4. 发明专利

JPH06156611A GARBAGE DISPOSER 失效
公开(公告)号：JPH06156611A
公开(公告)日：1994-06-03
申请号：JP31991592
申请日：1992-11-30
申请人： HITACHI LTD
发明人： NATSUNO KENJI , FUKUCHI TAKESHI
IPC分类号： B65F5/00
摘要： PURPOSE:To provide a garbage disposer which utilizes a vacuum cleaner as an air suction device, and can caughtly collect all the garbages in a garbage receiving bag regardless of the size and weight of the garbage fed into a garbage collecting device, and does not emit a bad smell, and moreover dispenses with the frequent cleaning of the garbage collecting device. CONSTITUTION:A cylindrical bag holding section 77 having a mouth part being larger in a diameter than an air-garbage inflow port 74 is arranged on the periphery of the air-garbage inflow port 74 provided on the cover 73 of a garbage collecting device 70 with the upper end edge of the mouth part brought into contact with the back of the cover of the garbage collecting device 70, and the periphery of the bag holding section 77 is provided with an air-escape port 78. The lower end edge (a) of the mouth part of the air-garbage inflow port 74 provided on the cover 73 of the garbage collecting device 70 is positioned below the lower end edge (b) of the opening of the air-escape port 78 provided in the bag holding section 77, and a synthetic resin garbage receiving bag 71 is detachably held below the air-escape port 78 provided in the bag holding section 77.

5. 发明专利

JPH06114187A WASHING MACHINE AND WASHING/DRYING MACHINE 失效
公开(公告)号：JPH06114187A
公开(公告)日：1994-04-26
申请号：JP26470492
申请日：1992-10-02
申请人： HITACHI LTD
发明人： HIROSE ETSURO , FUKUCHI TAKESHI , TAKAHASHI HAJIME
IPC分类号： D06F37/12 , D06F37/26
摘要： PURPOSE:To provide a washing machine and the washing/drying machine, by which a general use can take out easily clothes which falls off in an outer tank, the external appearance is not spoiled, and also, vibration and a noise can be reduced. CONSTITUTION:The washing/drying machine is provided with an outer frame, an outer tank 6 subjected to vibro-isolating support in this outer frame, a freely rotatable basket 7 supported in this outer tank 6, provided with a pulsator 9 in a recessed part 7d of the inner bottom, and provided with a blancer in a peripheral edge of the upper opening part, a flange 7e for receiving the outer bottom of this basket 7, and a means for turning these outer tank 6 and basket 7 from a vertical attitude to a horizontal attitude. Also, large diameter holes 7k, 7l of size in which a hand can be put are provided under the projection surface of the pulsator 9, in the respective almost same position of the bottom face of the recessed part 7d of the basket 7 and the flange 7e, these large diameter holes 7k, 7l are provided by two pieces roughly asymmetrically against the center of the bottom face of the basket 7, and on both sides of the large diameter hole 7k, an extrusion rib 7m for reinforcement is provided.

6. 发明专利

JPH0698994A WASHING AND DRYING MACHINE 失效
公开(公告)号：JPH0698994A
公开(公告)日：1994-04-12
申请号：JP25085992
申请日：1992-09-21
申请人： HITACHI LTD
发明人： NATSUNO KENJI , FUKUCHI TAKESHI , SUZUKI KIYOSHI
IPC分类号： D06F39/04 , D06F58/02 , D06F58/22 , D06F58/28
摘要： PURPOSE:To prevent a humidity sensor from being submerged at the time of washing clothes, to prevent a foreign matter from adhering to the surface of a sensor, and to improve the detection accuracy and the service life of a humidity sensor. CONSTITUTION:A main body section consisting of an outer tub 12 and an inner tub is constructed in freely turnable from the vertical state to the horizontal state. The machine is provided with a drying unit 50 consisting of a heating section and a blowing section. The drying unit 50 is fixed to an outer frame 1. The washing/drying device formed with a circulating path of the hot air by connecting between the respective hot air intake/outlet ports of the drying unit 50 and the main body section with flexible ducts 65 and 68 is provided with a humidity sensor 90 on a wind path connecting a fan suction port 58 of the blower section and the heating section in the drying unit 50 at the circulating path. The position of the sensor 90 is set behind a lint filter 59 which is installed on the fan suction port 58.

7. 发明专利

JPH0671089A WASHING MACHINE 失效
公开(公告)号：JPH0671089A
公开(公告)日：1994-03-15
申请号：JP23085692
申请日：1992-08-31
申请人： HITACHI LTD
发明人： ITO SHINICHI , FURUTOKU TAKAHARU , FUKUCHI TAKESHI , OKAMOTO YOSHIMI
IPC分类号： D06F39/12
摘要： PURPOSE:To obtain a compact washing machine with a large capacity by expanding the content volume of a washing tub and increasing a washing capacity without changing the shape and dimensions of a main body through deforming the washing tub made of synthetic resin in the manner of projecting from inside to outside by physical force to expand the content volume while applying heated air to blue sidewall surface of the washing tub. CONSTITUTION:When heated air is blown from inside upon the walls of a washing tub 2 made of synthetic resin and the central parts of the tub walls are subjected to vacuum suction, the tub walls are deformed in the manner of projecting to outside. The washing tub 2 is built in an outer frame 1 and the content volume of the washing tub increases from V1 to V1+V1. Thus, the content volume of the washing tub and a washing capacity can be increased without changing the size of the main body of the washing machine. Further, it is possible to avoid the new installation of a size larger outer frame 1, washing tub 2, main body base 3, control panel 4, etc., so that a washing machine meeting the needs of the times for conserving natural resources can be obtained. Also, the rigidity of the washing tub is improved because a gap between the tub and outer frame is small.

8. 发明专利

JPH05123486A WASHING AND DRYING MACHINE 失效
公开(公告)号：JPH05123486A
公开(公告)日：1993-05-21
申请号：JP27745691
申请日：1991-10-24
申请人： HITACHI LTD
发明人： FUKUCHI TAKESHI , NATSUNO KENJI , SUZUKI KIYOSHI
IPC分类号： D06F25/00 , D06F37/12
摘要： PURPOSE:To improve the drying efficiency of the subject machine, by a method wherein a plurality of longitudinal ribs are attached to the inner periphery of an inner tub, which are varied in height, being vertically bounded by a maximum washing waterlevel, the number of revolution of the inner tub in a drying process at a horizontal position is specified and the tumbling movement of clothes in the drying process is smoothly done. CONSTITUTION:A main body part 5 consisting of an inner tub 11 with an agitating blade member 7, etc., at the bottom thereof and so on swivel devices 31 to 34 inclining the main body 5 and a drying assembly consisting of a heater and a fan which are not shown in the figure, are arranged in an outer tub 12 suspended by vibration-proof members. In the above formation, a plurality of longitudinal ribs 9 projecting inside are attached to the inner periphery of an inner tub 11, which are made high at the part between the vicinity of a maximum washing waterlevel and the undersurface of a fluid balancer 10 at the opening part of the inner tub, and are made low at the part under the maximum washing waterlevel. The number of revolution of the inner tub 11 in a drying process, which is done at a horizontal position, is preset within the range of 60 to 70r.p.m. In this way, the tumbling movement of clothes in the drying process is smoothly done without interfering with washing and spin-drying in the inner tub 11.

9. 发明专利

JPH0576684A WASHING AND DRYING MACHINE 失效
公开(公告)号：JPH0576684A
公开(公告)日：1993-03-30
申请号：JP23595191
申请日：1991-09-17
申请人： HITACHI LTD
发明人： SUZUKI KIYOSHI , FUKUCHI TAKESHI , NATSUNO KENJI
IPC分类号： D06F25/00 , D06F58/02
摘要： PURPOSE:To improve the washing effect and economy of a washing machine by feeding hot and cold water under temperature control, setting a final washing water level via the detection of clothes volume at a constant low water level, detecting the quality of a cloth at the final washing water level and re-setting water flow strength and a washing time. CONSTITUTION:Washing water is supplied to a washing tub 3 up to the predetermined level via cold and hot water hoses 11 and 11A. A washing water level changing from the start to the end of washing water supply is detected in steps, and the temperature of the water is controlled to be at the predetermined level in each step. When a washing tub 3 is supplied with water up to a constant low level, a agitation vane 7 is caused to operate for a several seconds for moving clothes, and a change in the resistance value of the vane 7 is compared with a value saved in a microcomputer, thereby detecting the volume of the clothes and automatically setting a final washing water level. When the water level reaches the final washing level, the vane 7 is again caused to operate for several seconds, and a change in the resistance value thereof is compared with a value saved in the microcomputer, thereby detecting the cloth quality of the clothes. Finally, an initially set washing time is corrected, according to the total data of washing water quantity, clothes volume and cloth quality, and washing is started. According to this construction, the washing effect and economy of a washing machine can be improved via the synergetic effect of each condition.

10. 发明专利

JPH0523482A WASHING APPARATUS 失效
公开(公告)号：JPH0523482A
公开(公告)日：1993-02-02
申请号：JP15839291
申请日：1991-06-28
申请人： HITACHI LTD
发明人： HIROSE ETSURO , AGATA HIROSHI , TANAKA KIHACHIRO , FUKUCHI TAKESHI
IPC分类号： D06F37/12
摘要： PURPOSE:To offer the washing apparatus such as a washing machine, a washing and drying machine, etc., whose vibration and noise are small and which are compact while saving a space for a basket and an outer tank without lowering an effect of a balancer by devising a shape of the balancer. CONSTITUTION:In the washing apparatus such as a washing machine or a washing and drying machine, etc., provided with an outer frame, a top cover and a base provided on the upper and the lower parts of the outer frame, an outer tank 6 provided in the inside of the outer frame, and a basket 7 provided in the inside of the outer tank 6, it is structured so that the upper part of the outside peripheral side of a balancer 8 is cut obliquely, and also, the outside peripheral side of the lower face of the balancer 8 is lowered obliquely almost in parallel to the cut face. In such a way, the basket 7, the outer tank 6 and the outer frame can be formed compactly without decreasing an effect of the balancer 8, and without decreasing an effective capacity of the basket 7.

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