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21. 发明专利

JP2000146287A HOT WATER SUPPLY APPARATUS FOR BATH 失效
公开(公告)号：JP2000146287A
公开(公告)日：2000-05-26
申请号：JP31740198
申请日：1998-11-09
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： UEHARA KAZUHITO , KAWASHIMA HIROFUMI , SONEDAKA KAZUNORI , AOKI TETSUO
IPC分类号： F24H1/00
摘要： PROBLEM TO BE SOLVED: To keep clean the bathtub water constantly even if the bath is used consecutively net time by making clean a filtering tank. SOLUTION: A back washing means for a filtering tank 27 discharges hot water heated through a hot water supply heat exchanger 3 from a hot water supply solenoid valve 20 through a lower supply passage 28, a change-over valve D29, the filtering tank 27, a change-over valve C 24, a drainage passage 30, and a supply passage to a bathtub. Consequently, foreign matters removed through a filtering material 25 in the filtering tank 27 when the bathtub water is discharged can be back washed and discharged outside without requiring any extra drainage piping work, and the bathtub water can be kept clean constantly even if the bath is used consecutively net time by making clean the filtering tank 27.

22. 发明专利

JP2000121150A METHOD OF CONTROLLING REGENERATION OF FILTER MATERIAL FOR BATH HOT WATER SUPPLIER 失效
公开(公告)号：JP2000121150A
公开(公告)日：2000-04-28
申请号：JP29826998
申请日：1998-10-20
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： SONEDAKA KAZUNORI , KAWASHIMA HIROFUMI , AOKI TETSUO , UEHARA KAZUHITO
IPC分类号： B01D29/66 , F24H1/00
摘要： PROBLEM TO BE SOLVED: To prevent the outflow of filter material arranged in a filtering vessel. SOLUTION: Each kind of sediment on the surface of the layer of filter material 13 is peeled off gradually and air mixing and staying in the layer of the filter material 13 is floated gradually by operating a circulation pump for a short time several times. This equalizes the water passage through the filter material 13, and prevents the winding up of the filter material 13, and does away with the outflow of the filter material 13 from the filtering vessel 12. Moreover, this can prevent the water leakage caused by the bite of a switch- over valve D1 and the drop of cleaning capacity caused by the outflow of the filter material 13.

23. 发明专利

JPH11211233A HOT WATER SUPPLY APPARATUS 失效
公开(公告)号：JPH11211233A
公开(公告)日：1999-08-06
申请号：JP1859198
申请日：1998-01-30
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： SONODA HISATAKA , UEHARA KAZUHITO , KAWASHIMA HIROFUMI
IPC分类号： F24H1/10
摘要： PROBLEM TO BE SOLVED: To quicken temperature rise of hot water at the time of redelivery by regulating the opening of a water volume control means at the time of stopping operation of a hot water supply apparatus to suppress the flow rate of hot water at the time of redelivery and sustaining that opening for a while. SOLUTION: At the time of hot water supply operation, water from a water supply circuit 1 passes through a water volume detecting section 2 and absorbs heat at a heat exchanger 3 to produce hot water which is passed from a hot water delivery path 4 through a hot water delivery temperature detecting section 5 and a water volume control means 6 before being discharged. When a water volume signal is received at the section 2, a heater 7 is actuated and the capacity thereof is regulated according to a temperature being set by a hot water delivery temperature setting means 11. When the water volume signal at the section 2 disappears, the heater 7 is stopped and the means 6 closes the opening by a specified amount previously in order to suppress delivery of hot water at the time of redelivery. When a water volume signal is received again at the section 2, opening of the means 6 is kept as it is for a specified time and then released by a releasing means 21.

24. 发明专利

JPH06304082A CONNECTING DEVICE OF FORCED CIRCULATION PIPING FOR BATHTUB 失效
公开(公告)号：JPH06304082A
公开(公告)日：1994-11-01
申请号：JP9911593
申请日：1993-04-26
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： SONEDAKA KAZUNORI , UEHARA KAZUHITO , YAMAUCHI HIROAKI , ANDO HIDEO
IPC分类号： A47K3/00 , F24H9/12
摘要： PURPOSE:To improve the installation property by connecting a forced circulation piping to a piping connecting port without restricting the position of a bathtub opening and without discriminating the suction side and discharge side. CONSTITUTION:A going out pipe and returning pipe are freely connected to piping connection ports 13, 14 without designating the directions, and independent water passages 15, 16 are formed. In addition, an approx. upside down V-shaped opening which faces downward, approx. verge opening 18, and an approx. parallel type opening 19 are formed, and at opposite position to these openings, a filter holding case 21 is arranged. By this method, water in a bathtub is made to have an even temperature distribution by plural streams, an approx. upside down V-shaped stream, approx. vertical stream and in addition, an approx. parallel stream.

25. 发明专利

JPH06277157A METHOD FOR FIXING BATHTUB ATTACHMENT 失效
公开(公告)号：JPH06277157A
公开(公告)日：1994-10-04
申请号：JP6853893
申请日：1993-03-26
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： YAMAUCHI HIROAKI , ANDO HIDEO , OHARA SUMIO , SONEDAKA KAZUNORI , UEHARA KAZUHITO
IPC分类号： A47K3/00 , F24H9/12
摘要： PURPOSE:To enable execution by one man for rationalizing working and reducing the cost of execution. CONSTITUTION:A holding rod 7 is connectively screwed into a left hand female screw part placed in a rear face case 3 and hooked in one end on a mounting opening 2 of a bathtub through a water-tight packing 4 from the outside of a bathroom. Thereafter, while the holding rod 7 is pulled near one from the inside of a bathtub so that the rear face case 3 abuts against the mounting opening 2, the holding rod 7 is fitted in the rear face case 3 through the water- tight packing 5 and a fixing case 6 in the water-tight way, and then the holding rod 7 is removed.

26. 发明专利

JPH05215405A HOT-AIR HEATER 失效
公开(公告)号：JPH05215405A
公开(公告)日：1993-08-24
申请号：JP1605792
申请日：1992-01-31
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： ISHIKURA NAOKI , FUJIWARA YOSHIMITSU , SUZUKI TOMIJI , SHIRAI YUTAKA , UEHARA KAZUHITO , OKANO YUTAKA
IPC分类号： F24H3/04
摘要： PURPOSE:To provide the title heater wherein igniting operation for an ignition heater is showed by an information device and the function of its information can be freely selected by a user. CONSTITUTION:An indication-selecting switch 16 whereby the operation of an information device 17 for communicating the fact that an electric current is being applied to an ignition heater 15 can be freely selected, is provided. In addition, an apparatus-controlling circuit 31 in which when a timer-starting 34 is turned on, the information device 17 is forcibly turned off independent of the on-off conditions of the indication-selecting switch 16, is incorporated. Therefore, when a timer is started, the information device is stopped forcibly and automatically, and even when the title heater is operated with an operating switch, the function of communicating igniting action can be freely selected, and thus the usability of the title heater can be improved.

27. 发明专利

JPH02166309A DEVICE OF SHUTTING GAS AT FALLING DOWN 失效
公开(公告)号：JPH02166309A
公开(公告)日：1990-06-27
申请号：JP31748688
申请日：1988-12-15
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： SUZUKI TOMIJI , ISHIKURA NAOKI , SHIRAI YUTAKA , FUJIWARA YOSHIMITSU , UEHARA KAZUHITO , OKANO YUTAKA
IPC分类号： F16K17/36 , F23N5/24
摘要： PURPOSE:To close the gas inlet side or the gas outlet side in a wall chamber by a method wherein a wall chamber with a built-in spherical body is provided in a gas passage part, and during inclination or falling down of a device, the spherical body is moved. CONSTITUTION:When a device is inclined or rolled rearwardly, a spherical body 9 is separated away from an arc recessed part 8a of a bed seat 8 and moved to a wall chamber 7a for adhesion thereto to close an outlet passage 12. When it inclines falls down frontwardly, the spherical body 9 is separated away from the arc recessed part 8a of the bed seat 8 and moved to make tight contact with a wall chamber 7b to close the inlet passage 11 side.

28. 发明专利

JPH0237250A HOT AIR HEATER 失效
公开(公告)号：JPH0237250A
公开(公告)日：1990-02-07
申请号：JP18713888
申请日：1988-07-27
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： ISHIKURA NAOKI , SUZUKI TOMIJI , FUJIWARA YOSHIMITSU , OKANO YUTAKA , UEHARA KAZUHITO
IPC分类号： F24H3/04
摘要： PURPOSE:To make it easier to recognize the ignition sequence in progression and the completion of the ignition by lighting or turning on and off an ignition indicator lamp provided on the control section of the main body of a heater during the process of electrically igniting a ceramic heater and by turning off the lamp when the combustion at the burner has been detected. CONSTITUTION:When an operation switch 21 is turned on, a first solenoid valve SV1 25 and a second solenoid valve SV2 26 are opened simultaneously with application of current to a ceramic heater 14 by an ignition control circuit 27 in the wiring so that fuel supplied through a nozzle 28 is ignited and burned at a burner 13. During the progression of the ignition sequence, an indicator control circuit 33 in a microcomputer 29 works, turning on and off an ignition indicator lamp 22. When a combustion sensor 15 detects combustion at the burner 13, a signal is transmitted from a combustion control circuit 30 to the indicator control circuit 33, both in the microcomputer 29, causing the on-and-off lighting of the ignition indicator lamp 22 to be stopped and simultaneously a combustion lamp 23 to be lighted. After the combustion has been started, signals representing the room temperature, which is detected by a heat- sensitive device 24 in a room thermometer, are processed by the indicator control circuit 33 so that the room temperature is shown by a room temperature indicator 35 provided on a control panel 20.

29. 发明专利

JPH0233562A HOT AIR HEATER 失效
公开(公告)号：JPH0233562A
公开(公告)日：1990-02-02
申请号：JP18092388
申请日：1988-07-20
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： OKANO YUTAKA , SHIRAI YUTAKA , ISHIKURA NAOKI , FUJIWARA YOSHIMITSU , SUZUKI TOMIJI , UEHARA KAZUHITO
IPC分类号： F24H3/04
摘要： PURPOSE:To further improve a quick heating effect by providing a louver varied according to an operation state and a quick heating function to generate a quantity of heat higher than an ordinary quantity of heat until a room temperature is increased to a set value after elapse of a specified time or in a specified time when a room temperature during the starting of operation is below a specified temperature. CONSTITUTION:When a hot air heater is operated, a room temperature read by a thermistor 10 is compared with a set temperature by a constant control part 11. When, during the starting of operation of the hot air heater, a room temperature read by the thermistor 10 is below a specified temperature To, heating (a quick heating function) is started with a quantity of heat higher than a rated quantity of consumed heat by a regulating device 12 by means of an output signal from the control part 11, and simultaneously a louver 9 is brought into a down state by means of a louver varying device 13. As a result, hot air spreads all over a room along a floor surface. The temperature of the floor surface is low at the initial stage and a material is prevented from discoloring and deformation. This quick heating function is programmed so that a room temperature is increased to a set value or after elapse of a specified time, the increase of a room temperature to a set value is completed and the heater is returned to ordinary operation.

30. 发明专利

JPH01193558A GAS-BURNING HOT AIR HEATER 失效
公开(公告)号：JPH01193558A
公开(公告)日：1989-08-03
申请号：JP1801488
申请日：1988-01-28
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： ISHIKURA NAOKI , SUZUKI TOMIJI , SHIRAI YUTAKA , FUJIWARA YOSHIMITSU , OKANO YUTAKA , UEHARA KAZUHITO
IPC分类号： F24H3/04
摘要： PURPOSE:To quickly heat the room space when the room temperature is low by increasing the coil current to the gas pressure proportioning valve greater than the normal rated level when the room temperature is lower than a certain set temperature so that the burning rate can be increased. CONSTITUTION:The magnetized fixed iron core 31 functions as a regulator spring of an ordinary gas pressure regulator, and, by modulating the current value, it can function as if the regulator spring were working as being compressed, etc., to regulate the gas pressure. Under normal conditions, the rated coil current Ia is supplied to set the ejection pressure from the nozzle 18 at the rated gas pressure P3, and, when the burner 19 is operated for a low intensity burning to match a higher room temperature, the gas pressure is reduced to Pc so as to decrease the gas flow rate. When the room temperature is lower than a certain optional temperature, the burning control section 21 causes the coil current to increase up to a level Ib which is higher than the rated coil current Ia by DELTAI so that the gas pressure may increase up to a level Pb and the burner 19 may operate at an intensity level higher than the rated intensity by a certain amount.

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