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1. 发明专利

JPH0932085A SANITARY WASHING DEVICE AND WASHING METHOD 失效
公开(公告)号：JPH0932085A
公开(公告)日：1997-02-04
申请号：JP18540095
申请日：1995-07-21
申请人： KOITO KOGYO KK , TOTO LTD
发明人： MOROI MOTOKI , SEKIZAWA KEIICHI , NOMOTO EIJI , YANAGAWA TAKAHIRO , MURAKAMI TSUKASA
IPC分类号： E03D9/08
摘要： PROBLEM TO BE SOLVED: To heighten safety by providing a control part for detecting the temperature of hot water in a hot water storing tank by a high temperature sensor, and determining the suspension state of water supply if a mixing valve is opened to the hot water side more than a fixed angle for the temperature of hot water to disable the valve from discharging mixed hot water of a high temperature. SOLUTION: If it becomes the suspension state of water supply before pre- washing, from the temperature data of a high temperature sensor 23, the maximum hot water side valve opening information is taken in an operation part 91, and the valve opening information of a valve opening sensor 47 is taken in the operation part 91. Subsequently, both pieces of valve opening information are compared by the operation part 91, and if a mixing valve 40 is opened to the hot water side to excess, a water discharge disability signal is output from a storage part 92 to a driving circuit 93 to stop the application of an electric current to an actuator of a solenoid valve 30 and close the solenoid valve 30. Subsequently, as the discharge of water from a temperature control nozzle is impossible, even in the case of recovery from the suspension of water supply after that, there is no fear of discharging mixed hot water of a high temperature.

2. 发明专利

JPH07197506A CLEANING DEVICE FOR TOILET 失效
公开(公告)号：JPH07197506A
公开(公告)日：1995-08-01
申请号：JP35464993
申请日：1993-12-29
申请人： TOTO LTD , KOITO KOGYO KK
发明人： YANAGAWA TAKAHIRO , MURAKAMI TSUKASA , NIKI SHIGERU , SAKAMA TAKAO , FUTAMURA KAORU , HIRATA YOSHINORI , KOBAYASHI TOSHIO , MOROI MOTOKI , SEKIZAWA KEIICHI
IPC分类号： E03D9/08
摘要： PURPOSE:To suppress the deflection in the temperature control from a target set temperature even if the counterflow of the high temperature eater occurs, accompanied with the expansion/contraction of a hot water storage tank, as for a sanitary cleaning device. CONSTITUTION:The low temperature water which is supplied through a primary side water main flow passage 32 from a supplied water source is introduced into a hot water side branched flow passage 34 and a water side branched flow passage 35, and the low temperature water supplied from the hot water side branched flow passage 34 is stored in a hot water storage tank 70 and heated by a heater 72. The high temperature water flows out from the hot water storage tank 70 is mixed with the low temperature water in the water side branched flow passage 35 by a mixing valve 90, and jetted from a nozzle 16a for cleaning. A subtank 74 is connected with the hot water side branched flow passage 34. When the high temperature water which is heated by the hot water storage tank 70 counterflows, accompanied with the expansion/contraction of the hot water storage tank 70 in the supply of hot water or stop of water, the high temperature water is introduced into the subtank 74, and the inflow of the high temperature water into the water side branched flow passage 35 is suppressed by the subtank 74, and the detection temperature of a water temperature thermistor 152 is given with no influence.

3. 发明专利

JPH0462336A HOT WATER FEEDING SYSTEM CAPABLE OF PERFORMING SAFE OPERATION 失效
公开(公告)号：JPH0462336A
公开(公告)日：1992-02-27
申请号：JP17351090
申请日：1990-06-29
申请人： TOTO LTD
发明人： FUKUNAGA TAKASHI , MURAKAMI TSUKASA , KAWAHARA YOSHIYUKI
IPC分类号： F24D17/00
摘要： PURPOSE:To enable a user to always enjoy a shower of suitable temperature by a method wherein a temperature keeping heater is disposed at either a primary side hot water feeding pipe or a hot water feeding tank, a temperature sensor is provided, the temperature keeping heater is fed with electric power in response to a detected value of the temperature sensor and the temperature of hot water within the hot water feeding tank is kept at a suitable temperature. CONSTITUTION:A bypassing pipe 38 is arranged in parallel with a hot water inlet port 36a of a primary side hot water feeding pipe 36. The hot water inlet port 36a has a hot water temperature keeping heater 39 fixed, so that a hot water temperature circulation flow passage 40 is formed by a hot water inlet port 36a, a hot water feeding tank 14 and the bypassing pipe 38. A controlling condition for the hot water temperature keeping heater 39 fixed to the hot water inlet port 36a of the primary hot water feeding pipe 36 for the hot water feeding tank 14 is set such that as the water level sensor 14b is more than a pump stopping level and less than a set temperature with a temperature sensor 14c, an electrical energization for the hot water temperature keeping heater 39 is started and in turn as it is higher than the set temperature, the electric power feed is so controlled that the electric power is stopped and then the hot water feeding tank 14 is always kept within a specific temperature range.

4. 发明专利

JPS63166152A BATTERY POWER SOURCE CIRCUIT OF WATER SUPPLY CONTROLLER 失效
公开(公告)号：JPS63166152A
公开(公告)日：1988-07-09
申请号：JP30952886
申请日：1986-12-27
申请人： TOTO LTD
发明人： YOSHIDA TAKAO , INOUE SHOJI , MURAKAMI TSUKASA
IPC分类号： H01H35/18 , H01M2/34 , H01M2/36 , H01M6/14 , H01M6/50
摘要： PURPOSE:To make it possible to operate a water supply controller using s battery whose performance becomes inactive when it is not used for a long time as a power source by installing a battery forced use means. CONSTITUTION:Water supply is controlled in such a way that under the control of a microprocessor 30, when the light of an LED 12 which is emitted in a given timing is reflected by the human body 13 and sensed with a light receiving device 14, a solenoid 50 of a water supply valve is actuated to operate the water supply valve. The controller uses a thionyl chloride battery as in power source. When the battery is not used for a long time, a resistant film is formed inside the battery and the performance is deteriorated. A part of the operation of a battery forced use means 61 is shared by the processor 30, and when the frequency in use of monitoring operation is less than a given value or the ambient temperature exceeds a set value, the solenoid 50 is actuated to use the battery.

5. 发明专利

JPH0464379B2 失效
公开(公告)号：JPH0464379B2
公开(公告)日：1992-10-14
申请号：JP30952786
申请日：1986-12-27
申请人： TOTO LTD
发明人： YOSHIDA TAKAO , INOE SHOJI , MURAKAMI TSUKASA
IPC分类号： G05B9/02 , E03D5/10 , F16K31/06

6. 发明专利

JPH0462332A HOT WATER SUPPLY SYSTEM 失效
公开(公告)号：JPH0462332A
公开(公告)日：1992-02-27
申请号：JP17350590
申请日：1990-06-29
申请人： TOTO LTD
发明人： FUKUNAGA TAKASHI , MURAKAMI TSUKASA , KAWAHARA YOSHIYUKI
IPC分类号： F24D17/00
摘要： PURPOSE:To prevent the generation of noise resultant from the entrainment of air in a water supply pump or the damage of said pump by installing a lower limit float switch to a water supply tank and halting the operation of the water supply pump when a water level in the water supply tank falls below a predetermined water level. CONSTITUTION:In a hot water supply system S, a lower limit float switch 13a designed to turn on when the water level in a water supply tank 13 reaches the lower limit capacity to supply water is installed in order to perform control action 500, which restores operational troubles. When the output of a water level sensor falls below a pump suspension water level, a hot water supply pump 43 is adapted to halt its operation and hence prevents the entrainment of air in it. In the mean time, a water supply pump 32 for a hot water supply heater is running. When the water level in a hot water supply tank 14 is restored, hot water supply change over operation starts so that a change over switch may be transmitted to a shower device side. When a water level in the water supply tank 13 drops due to some troubles during the control operation and the lower limit float witch 13a is turned OFF, the water supply pumps 21, 43, and 32 for water supply, hot water supply, and hot water supply heater will be halted.

7. 发明专利

JP2001152511A TEMPERATURE SETTING DEVICE FOR BIDET 失效
公开(公告)号：JP2001152511A
公开(公告)日：2001-06-05
申请号：JP34154899
申请日：1999-12-01
申请人： AICHI ELECTRIC CO LTD , TOTO LTD
发明人： MURAKAMI TSUKASA , KATAYAMA HISAMI , OZAWA TOSHINOBU , SHIOTANI TOSHIAKI
IPC分类号： E03D9/08
摘要： PROBLEM TO BE SOLVED: To provide a temperature setting device for a bidet capable of realizing a switch mechanism selectively switching the toilet seat temperature and warm water temperature in a small space at a low cost. SOLUTION: This temperature setting device is provided with switches switching the set temperatures of a toilet seat, warm water, and warm wind in stages when turned on and LEDs changing and displaying lighting patterns according to switched set temperatures one to one respectively.

8. 发明专利

JPH08232327A SANITARY WASHING DEVICE 失效
公开(公告)号：JPH08232327A
公开(公告)日：1996-09-10
申请号：JP6677795
申请日：1995-02-28
申请人： TOTO LTD , KOITO KOGYO KK
发明人： YANAGAWA TAKAHIRO , MURAKAMI TSUKASA , HARAGUCHI TOSHINAO , NIKI SHIGERU , SEKIZAWA KEIICHI , MOROI MOTOKI
IPC分类号： E03D9/08
摘要： PURPOSE: To prevent the delay of control caused by slippage in the detection of a low temperature water temperature in initial water discharge by mixing hot temperature water stored in a hot water storage tank and low temperature water from waterworks with a mixing valve to obtain washing water with a proper temperature. CONSTITUTION: City water of a temporal side water main passage 32 is decompressed to specific pressure by a pressure reducing valve 50 and is applied to a main solenoid valve 60, and city water is supplied to a hot water storage tank 70 from a branch passage 34 through a sub-tank 74. Then, directly after the commencement of water discharge, when a water temperature thermistor 152 is heated by heat transmission from high temperature water in the hot water storage tank 70 to indicate a water temperature higher than an actual water temperature, a target temperature is set in high level. Accordingly, when a set target temperature is restricted in the range capable of being set actually by a temperature setting button, even when hot water is discharged again directly after the washing is made, temperature of hot water jetted from a washing nozzle device 16 is prevented from getting to too high temperature.

9. 发明专利

JPH07197508A WASHING DEVICE FOR TOILET 失效
公开(公告)号：JPH07197508A
公开(公告)日：1995-08-01
申请号：JP35465193
申请日：1993-12-29
申请人： TOTO LTD , KOITO KOGYO KK
发明人： YANAGAWA TAKAHIRO , MURAKAMI TSUKASA , NIKI SHIGERU , MOROI MOTOKI , SEKIZAWA KEIICHI
IPC分类号： E03D9/08
摘要： PURPOSE:To prevent the discharge of water which is not suitable for washing from a nozzle for washing, even in case of the trouble of a device itselt or on the completion of the discharge of water, as for a sanitary washing device. CONSTITUTION:The mixed hot water which flows in a mixed flow passage 38 is jetted from a nozzle 16a for washing and used for washing the buttock, etc. While, in the mixed flow passage 38, a bypass flow passage 44 having a bypass valve 130 is connected. The temperature of the mixed hot water which flows in the mixed flow passage 38 is detected by a mixed temperature thermistor 156, and the result is inputted into an electronic controller 220. In the case of case the temperature over a prescribed value, the electronic controller 220 opens the bypass valve 130, and dischares the mixed hot water from a nozzle 17 for prewashing, and does not carry out the injection from the nozzle 16a for washing.

10. 发明专利

JPH07197507A WASHING DEVICE FOR TOILET 失效
公开(公告)号：JPH07197507A
公开(公告)日：1995-08-01
申请号：JP35465093
申请日：1993-12-29
申请人： TOTO LTD , KOITO KOGYO KK
发明人： YANAGAWA TAKAHIRO , MURAKAMI TSUKASA , NIKI SHIGERU , KOBAYASHI TOSHIO , MOROI MOTOKI , SEKIZAWA KEIICHI
IPC分类号： E03D9/08
摘要： PURPOSE:To improve the responsiveness of a thermistor, reduce the lag of the detection time, and discharge the proper temperature water from the start, by preheating the thermistor for detecting the water temperature in the main washing, by the prewashing water. CONSTITUTION:When an electronic controller catches the signal of a sitting state sensor 162, a series of cleaning operations starting from the prewashing start according to a set program. The water having a temperature of 30 deg.C is jetted to the inside wall surface of a toilet bowl and a mixed temperature thermistor 156 from a prewashing nozzle 17 connected with a secondary side flow passage of a bypass valve 130, and the mixed temperature thermistor 156 is preheated. Then, the electronic controller calculates the mixing ratio of a mixing valve 90 on the basis of each detection temperature of a water temperature thermistor 152, hot water temperature thermistor 154, and the mixed temperature thermistor 156, and the water temperature of a main washing nozzle 16 is controlled to a target set temperature, the time loss in detection can be reduced to zero, and the feedback control can be carried out speedily and correctly.

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