专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明专利

JP2001311552A HOT WATER SUPPLY EQUIPMENT FOR BATH 失效
公开(公告)号：JP2001311552A
公开(公告)日：2001-11-09
申请号：JP2000129300
申请日：2000-04-28
申请人： HARMAN CO LTD
发明人： AOKI KENJI , FUJIKAWA HIDEAKI
IPC分类号： F24H1/00
摘要： PROBLEM TO BE SOLVED: To ensure sufficiently the amount of hot water supplied through a hot water supply passage and thereby to improve the usability when hot water supply and reheating and conducted simultaneously. SOLUTION: This hot water supply equipment for a bath is provided with a heat exchanger 3 for water heating which heats water supplied through a water supply passage 1 by combustion of a burner 4 and supplies hot water from a hot water supply passage 2, a reheating passage 14 which is branched from and connected to the hot water supply passage 2 and supplies the hot water heated by the burner 4 into a bathtub 15, a hot water supply amount regulating means 11 which regulates the amount of the hot water supplied through the hot water supply passage 2, and a control means H which controls the combustion of the burner 4. The control means H is so constituted in the equipment that it controls the combustion of the burner and the operation of the hot water supply amount regulating means 11 so that the temperature of the hot water heated by the burner 4 be a combined reheating target temperature lower than a single reheating target temperature, so as to execute a process of controlling combustion for hot water supply and reheating in combination wherein the hot water is supplied through the hot water supply passage 2 and also supplied into the bathtub 15 through the reheating passage 14.

12. 发明专利

JPH11159871A WATER HEATER 失效
公开(公告)号：JPH11159871A
公开(公告)日：1999-06-15
申请号：JP32551697
申请日：1997-11-27
申请人： HARMAN CO LTD
发明人： SHIROKURA TOSHIYA , FUJIKAWA HIDEAKI , FUJITA YOSHIHISA
IPC分类号： F24H1/10
摘要： PROBLEM TO BE SOLVED: To achieve a supply of hot water at a temperature closer a specified temperature at a start of delivering hot water without complicating structure while preventing consuming of apparatuses of equipment. SOLUTION: This water heater is provided with a heat exchanger 2 in which cold water supplied from a cold water intake path 5 is heated to be delivered to a hot water delivery path 6, a control means H which performs a normal combustion control to start the combustion of a burner 3 when the passing of water to the heat exchanger 2 is started or to stop the combustion of the burner 3 with the stopping of the passing of water. The control means H executes a heat reserving combustion control, to start the combustion of the burner 3 if set conditions for starting heat reserving combustion are satisfied during the stoppage of the passing of water to the heat exchanger 2 in a heat reserving combustion time zone set by time zone setting means 19 and 103, or to stop the combustion of the burner 3 if the set conditions for the stopping of heat reserving combustion is satisfied while restricting the frequency of executing the heat reserving combustion control below the set frequency per reference time for monitoring the frequency of the heat reserving combustion.

13. 发明专利

JPH11153322A COMBUSTION DEVICE 失效
公开(公告)号：JPH11153322A
公开(公告)日：1999-06-08
申请号：JP32096197
申请日：1997-11-21
申请人： HARMAN CO LTD
发明人： SHIROKURA TOSHIYA , FUJIKAWA HIDEAKI
IPC分类号： F23N5/00 , F23N5/26
摘要： PROBLEM TO BE SOLVED: To provide a combustion device capable of easily carrying out gas kind conversion work correctly without increasing an unnecessary increase in number of parts. SOLUTION: This combustion device comprises a gas flow regulating means 12 to a burner 3, a characteristic storage means 101 for storing a plurality of data regarding control quantity characteristics of the gas flow regulating means 12 corresponding to burner combustion quantity for each gas kind, a switching means 19 for selecting data according to gas kind and a control means (H) for controlling the gas flow regulating means 12 and the burner 3 according to selected data, and the control means (H) is provided with the gas kind storage means 102 for storing and setting one gas kind stored in the characteristic storage means 101 in a set mode, and the control means (H) controls the gas flow regulating means 12 and the burner 3 by selecting data from the characteristic storage means 101 corresponding to the gas kind stored in the gas kind storage means 102 when a different gas kind is selected by the switch means 19 in an ordinary operation mode.

14. 发明专利

JPH1026409A HOT WATER FEEDING DEVICE 失效
公开(公告)号：JPH1026409A
公开(公告)日：1998-01-27
申请号：JP17884796
申请日：1996-07-09
申请人： HARMAN CO LTD
发明人： SHIROKURA TOSHIYA , FUJITA YOSHIHISA , FUJIKAWA HIDEAKI
IPC分类号： F24H1/10
摘要： PROBLEM TO BE SOLVED: To provide a hot water heating apparatus capable of supplying hot water at temperature near a target temperature upon starting hot water supply as early as possible without complicating the construction even in the state where temperature where hot water is supplied and temperature of effluent hot water from a heat exchanger do not correspond. SOLUTION: The present hot water heater includes a control part H which controls a gas volume adjusting valve 12 to a burner 3 such that combustion of the burner 3 is started as water supply to a water heating heat exchanger 2 is started and supplied hot water temperature reaches a target temperature, and which executes ordinary combustion control of interrupting the combustion of the burner 3 as the water supply is interrupted. In this case, there is provided a hot water temperature thermistor 20 for detecting the temperature of hot water on an effluent hot water supply passage 6 or in the heat exchanger 2, and the control part H is adapted to execute temperature insulation combustion control of controlling the combustion state of the burner 3 such that in the state where the water supply is interrupted and the combustion of the burner 3 is interrupted a detected value of the hot water temperature thermistor 20 upon temperature insulation becomes an ordinary detected value of the hot water temperature thermistor 20 when there is executed control operation of the amount of combustion of the burner 3 in previous ordinary combustion control.

15. 发明专利

JP2001041447A COMBUSTION DEVICE 失效
公开(公告)号：JP2001041447A
公开(公告)日：2001-02-13
申请号：JP21373999
申请日：1999-07-28
申请人： HARMAN CO LTD
发明人： SHIROKURA TOSHIYA , ISHIKAWA YOSHIKATSU , FUJIKAWA HIDEAKI
IPC分类号： F23N5/24
摘要： PROBLEM TO BE SOLVED: To prevent an operation from being carried out based on erroneous information. SOLUTION: A combustion device is provided with a control means H for controlling an operation on the basis of combustion control data. In this case, a plurality of setting switches 23 for setting a plurality of binary data for obtaining the combustion control data are provided. A storing means 101 is provided for storing the plurality of binary data set by the plurality of setting switches 23. The control means H obtains the combustion control data from the plurality of binary data stored in the storing means 101 to control the operation. When the plurality of binary data set by the plurality of setting switches 23 are different from those stored in the storing means 101, a check and control for checking and controlling the operation are carried out.

16. 发明专利

JP2000002462A HOT WATER SUPPLY DEVICE 失效
公开(公告)号：JP2000002462A
公开(公告)日：2000-01-07
申请号：JP16809498
申请日：1998-06-16
申请人： HARMAN CO LTD
发明人： SHIROKURA TOSHIYA , FUJIKAWA HIDEAKI , FUJITA YOSHIHISA
IPC分类号： F24H1/10
摘要： PROBLEM TO BE SOLVED: To provide a hot water supply device capable of lowering a running cost by suppressing consumed power to a minimum value upon control of a heat retaining combustion. SOLUTION: A hot water supply device comprises a heat exchanger 2 for heating water from a water inlet passage 5 under the combustion of a burner 3 and supplying hot water, a control means H for controlling the combustion of the burner 3 an operation command means 16 for switching a hot water supply operation state to a hot water supply stopping state, and a heat retaining operation command means HS for commanding the execution of a heat retaining the operation. While the hot water supply operation state is commanded by the operation command means 16, the control means H controls the combustion of the burner 3 to perform an ordinary combustion control and performs a heat retaining combustion control by controlling the combustion of the burner 3. While the hot water supply operation stopping state is commanded by the operation command means 16, when the execution of the heat retaining operation is commanded by the heat retaining operation command means HS, the control means H performs the heat retaining combustion control.

17. 发明专利

JPH11344257A WATER HEATER PROVIDED WITH FREEZING PREVENTIVE FUNCTION 失效
公开(公告)号：JPH11344257A
公开(公告)日：1999-12-14
申请号：JP15403898
申请日：1998-06-03
申请人： HARMAN CO LTD
发明人： SHIROKURA TOSHIYA , FUJIKAWA HIDEAKI , FUJITA YOSHIHISA
IPC分类号： F24H1/10
摘要： PROBLEM TO BE SOLVED: To get the warmth keeping effect while preventing the freezing within a water passage pipe at large, and prevent the excessive pressure rise within the water passage pipe to the utmost. SOLUTION: This is a water heater provided with a freezing preventive function which is provided with a control means H for controlling the combustion of a burner 3 and the working of a heating means 24 for prevention of freezing, and which is constituted so that the control means H may execute the usual combustion control for controlling the combustion of the burner 3 for hot water delivery in water passage condition, and also execute the warmth keeping combustion for controlling the combustion of the burner 3 for combustion for keeping of warmth in water passage stoppage condition, and besides execute the freezing preventive control for controlling the heating operation of the heating means 24 for freezing prevention for preventing freezing when the setting condition for start of heating for prevention of freezing is fulfilled in water passage stop condition, and which is constituted so that the control means H may not perform the warmth keeping combustion control even if the setting condition for start of warmth keeping combustion is fulfilled during execution of the freezing preventive control.

18. 发明专利

JPH1123062A HOT WATER-SUPPLY APPARATUS 失效
公开(公告)号：JPH1123062A
公开(公告)日：1999-01-26
申请号：JP17424597
申请日：1997-06-30
申请人： HARMAN CO LTD
发明人： FUJIKAWA HIDEAKI , FUJITA YOSHIHISA , SHIROKURA TOSHIYA
IPC分类号： F24H1/10
摘要： PROBLEM TO BE SOLVED: To enable the dealing with drippy leakage by detecting the state of the drippy leakage of a water heater provided with a burner, a heat exchanger, etc. SOLUTION: In a water heater provided with a heat exchanger heating supplied water through a water inlet path 5 by combustion with a burner 3 and supplying hot-water from a hot water outlet path 6, and combustion rate adjusting means 13 freely varying the combustion rate of the burner 3, the water heater is provided with temperature detecting means YK detecting the temperature of hot-water in a hot-water outlet path or inside a heat exchanger 2, and based on the change of the temperature according to detected value over elapsed time, a drippy leakage detecting means 102 is arranged for judging whether there is a small quantity of the leakage of the hot-water from the hot-water outlet path 6 or not.

19. 发明专利

JPH1123061A HOT WATER SUPPLY DEVICE 失效
公开(公告)号：JPH1123061A
公开(公告)日：1999-01-26
申请号：JP17424497
申请日：1997-06-30
申请人： HARMAN CO LTD
发明人： FUJIKAWA HIDEAKI , FUJITA YOSHIHISA , SHIROKURA TOSHIYA
IPC分类号： F24H1/10
摘要： PROBLEM TO BE SOLVED: To perform rapid supply of desired temperature hot water during supply of hot water by respectively specifying a set time in which post purge during heat insulation combustion control and hot water supply combustion control is executed and a set time in which post purge during switching command is executed in a device to effect heat insulation and heating of hot water in the device. SOLUTION: A control part H is provided with hot water supply combustion control means 100 to execute hot water supply combustion control, a heat insulation combustion control means 101 to execute heat insulation combustion control during waiting for hot water supply, a heat insulation control diversion means 102, and a command means 104 to effect switching command of a time of hot purge. During hot water supply combustion control and heat insulation combustion control, a set time in which host purge is executed is set to a short heat insulation state maintaining time to an extent that, during heat insulation combustion control after a stop of combustion of a burner 3, a heat-exchanger is not cooled by a post purge. Further, a set time in which post purge is executed during a switching command is set to a long operation stable time long enough to allow stabilization of a drive state of a fan 4.

20. 发明专利

JPH10111017A HOT WATER SUPPLY UNIT 失效
公开(公告)号：JPH10111017A
公开(公告)日：1998-04-28
申请号：JP26395496
申请日：1996-10-04
申请人： HARMAN CO LTD
发明人： SHIROKURA TOSHIYA , FUJITA YOSHIHISA , FUJIKAWA HIDEAKI
IPC分类号： F24H1/10
摘要： PROBLEM TO BE SOLVED: To supply hot water of a desired temperature as quick as possible by an arrangement wherein a temperature keeping combustion mode can be executed when set conditions are satisfied upon interruption of water supply to a heat-exchanger and a time for switching from a normal combustion mode to the temperature keeping combustion mode can be set previously. SOLUTION: A control means 30 comprises a section 31 for executing a normal combustion mode during hot water supply, and a section 32 for executing a temperature keeping combustion mode at the time of waiting hot water supply. The control means 30 further comprises an auxiliary control section 33 provided with means 34 for setting a switching time between the normal combustion mode and the temperature keeping combustion mode, and means 35 for storing start of water supply detected by a water supply quantity sensor 7. If set conditions tar temperature keeping combustion are satisfied when hot water supply is interrupted and thereby water supply to a heat-exchanger 2 is interrupted, temperature keeping combustion of a burner 3 is started to heat the hot water in the internal hot water passage wherein the switching time to the temperature keeping combustion mode can be set previously.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式