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1. 发明专利

JP2004053052A Gas combustion apparatus 有权
公开(公告)号：JP2004053052A
公开(公告)日：2004-02-19
申请号：JP2002207732
申请日：2002-07-17
申请人： Noritz Corp , 株式会社ノーリツ
发明人： HATA SHUSUKE , OTA AKIRA
IPC分类号： F23N5/18 , F23N5/00
摘要： PROBLEM TO BE SOLVED: To provide a gas combustion apparatus capable of easily and accurately setting gas type, and realizing an appropriate control of combustion in response to calorific power and primary gas pressure of gas to be used.
SOLUTION: In the gas combustion apparatus, a gas pipe 10 for supplying fuel gas to a burner 2 is provided with a flow rate sensor 11 for detecting mass flow rate of the fuel gas and a gas flow rate control valve 12 for adjusting fuel gas flow rate. At the pilot run time, comptroller 13 opens the flow rate control valve 12 to a predetermined opening, calculates a calorific power of the burner 2 at this time based on a inflow water temperature, tapping temperature, inflow water amount, or the like, and obtains a characteristic of calorific power-valve opening of the fuel gas based on the determined calorific power and the valve opening of the flow rate control valve 12.
COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2005249251A Gas combustion apparatus 有权
标题翻译：燃气燃烧装置
公开(公告)号：JP2005249251A
公开(公告)日：2005-09-15
申请号：JP2004058135
申请日：2004-03-02
申请人： Noritz Corp , 株式会社ノーリツ
发明人： HATA SHUSUKE , OTA AKIRA
IPC分类号： F23N5/24
摘要： PROBLEM TO BE SOLVED: To avoid the occurrence of abnormal combustion by detecting the trouble of an open/close valve before combustion and enable combustion operation by the remaining open/close valves excluding the troubled open/close valve. SOLUTION: In this gas combustion apparatus, a fuel gas is regulated by a flow control type gas control valve before supplying and the downstream side thereof is branched by the plurality of open/close valves for switching a combustion capacity. If the detected flow amount value of a gas flow sensor varies when a main solenoid valve is opened with the first/second open/close valves 61a and 61b closed, one or both of the first/second open/close valves are abnormal in closing and, if it does not vary, the valves are determined to be normal, and output an open select signal to the first open/close valve. If the detected flow value varies, the first open/close valve is determined normal and, if it does not vary, it is determined to be abnormal in closing and outputs open switch signals to a second open/close valve by closing the first open/close valve. When the detected flow value varies, the valves are determined normal, and if it does not vary, the second open/close valve is determined to be abnormal in closing. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了通过检测燃烧前的开/关阀的故障来避免异常燃烧的发生，并且能够通过剩余的打开/关闭阀除了故障的打开/关闭阀来进行燃烧操作。解决方案：在该气体燃烧装置中，燃料气体在供给之前由流量控制型气体控制阀调节，其下游侧由多个用于切换燃烧能力的开闭阀分支。如果当第一/第二开/关阀61a和61b关闭时主电磁阀打开时检测到的气体流量传感器的流量值变化，则第一/第二开/关阀中的一个或两个关闭异常，如果不变化，则将阀确定为正常，并向第一开/关阀输出打开选择信号。如果检测到的流量值变化，则第一开/关阀被确定为正常，并且如果不改变，则确定关闭时异常，并通过关闭第一打开/关闭阀将打开的开关信号输出到第二打开/关闭阀，关闭阀门当检测到的流量值变化时，阀被确定为正常，并且如果不改变，则确定第二打开/关闭阀在关闭时异常。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2004211772A Flow rate adjusting device and combustion device 有权
公开(公告)号：JP2004211772A
公开(公告)日：2004-07-29
申请号：JP2002380815
申请日：2002-12-27
申请人： Noritz Corp , 株式会社ノーリツ
发明人： OTA AKIRA , HATA SHUSUKE
IPC分类号： F16K1/44 , F16K31/04 , F23K5/00
摘要： PROBLEM TO BE SOLVED: To provide a flow rate adjusting device capable of supplying a fuel gas with a flow rate corresponding to the required combustion amount even when the fuel gas of different combustion amount is supplied, and to provide a combustion device comprising the flow rate adjusting means.
SOLUTION: This combustion device 30 wherein a fuel gas is supplied through a fuel supply pipe 40, is provided with the flow rate adjusting device 1 on its way. The flow rate adjusting device 1 comprises a valve element 13 composed of a first valve element part 20 and a second valve element part 21 and vertically reciprocated by the rotating power of a motor 11. In the valve element 13, the first valve element part 20 and the second valve element part 21 are integrally reciprocated when the fuel gas of low calorific value per unit volume is supplied, on the contrary, the second valve element part 21 is reciprocated independently from the first valve element part 20 in a case when the fuel gas of high calorific value per unit volume is supplied, to adjust a flow rate of the fuel gas.
COPYRIGHT: (C)2004,JPO&NCIPI

4. 发明专利

JP2004108743A Gas combustion device 有权
公开(公告)号：JP2004108743A
公开(公告)日：2004-04-08
申请号：JP2002276003
申请日：2002-09-20
申请人： Noritz Corp , 株式会社ノーリツ
发明人： HATA SHUSUKE , OTA AKIRA
IPC分类号： F23N5/18 , F23K5/00 , F23N1/00
摘要： PROBLEM TO BE SOLVED: To provide a gas combustion device provided with a gas flow rate control valve of such type that a valve element is operated by a stepping motor and enabling use of the gas flow rate control valve for a plurality of types of gases in common.
SOLUTION: The gas flow rate control valve capable of obtaining the maximum capacity (the maximum input) at predetermined number of steps S in reference gas is used by using the gas having the lowest unit heat generation amount as the reference gas among types of gases whose use as fuel gas is scheduled in a controller of the gas combustion device (see Fig. 3 (a)). Unit heat generation amount of use gas supplied actually is compared with unit heat generation amount of the reference gas to change an excitation system of the stepping motor and change a drive amount of the stepping motor per step so that heat generation amount per step becomes the same based on the ratio (see Fig. 3 (b)).
COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2004108600A Gas combustion device and its combustion control method 审中-公开
公开(公告)号：JP2004108600A
公开(公告)日：2004-04-08
申请号：JP2002268025
申请日：2002-09-13
申请人： Noritz Corp , 株式会社ノーリツ
发明人： OTA AKIRA , HATA SHUSUKE
IPC分类号： F23N5/18 , F23N5/02
摘要： PROBLEM TO BE SOLVED: To provide a gas combustion device capable of carrying out combustion operation at an ideal air-fuel ratio without setting a gas kind. SOLUTION: This gas combustion device furnished with a flow rate sensor to detect a mass flow rate of fuel gas and a gas flow rate control valve to adjust the flow rate of the fuel gas on a gas pipe to supply the fuel gas to a burner computes a calorific value Hg given to heated water in accordance with a temperature difference of incoming water temperature Ti and outgoing hot water temperature To of a heat exchanger and incoming water quantity W to the heat exchanger, computes a calorific value HG per unit mass of the used gas from this calorific value Hg and the flow rate G of the fuel gas and sets air quantity OL required for combustion of the used gas of the unit mass in accordance with the calorific value HG. Additionally, the number of revolution of an air fan is set in accordance with this air quantity OL and the flow rate G of the fuel gas by computing the air quantity OL required for combustion of the used gas of the unit mass in accordance with the calorific value HG. COPYRIGHT: (C)2004,JPO

6. 发明专利

JP2003307307A Gas flow control valve and combustion equipment with this gas flow control valve 审中-公开
标题翻译：气体流量控制阀和燃气设备与这个气体流量控制阀
公开(公告)号：JP2003307307A
公开(公告)日：2003-10-31
申请号：JP2002113254
申请日：2002-04-16
申请人： Noritz Corp , 株式会社ノーリツ
发明人： HATA SHUSUKE , OTA AKIRA
IPC分类号： F16K31/04 , F16K31/53 , F23C1/00 , F23K5/00
摘要： PROBLEM TO BE SOLVED: To provide a gas flow control valve for accurately controlling a flow rate of gas alternatively selected from a plurality kinds of gasses.
SOLUTION: A gas proportional control valve 32 can adjust a flow rate of fuel gas flowing in a fuel gas passage 43. Since a driving mechanism 42 for driving a valve element 41 has a stepping motor 50, and two sets of gear mechanisms 53 and 54 having the different gear ratio interposed in a driving force transmission system for transmitting rotational driving force of this stepping motor 50 to the valve element 41, that is, the two sets of gear mechanisms 53 and 54 respectively corresponding to the plurality kinds of gasses, when selecting a certain kind of fuel gas, the flow rate of the fuel gas can be accurately adjusted by switching to the gear mechanism having the gear ratio optimal for controlling the flow rate of the selected fuel gas.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种用于精确地控制从多种气体中选择的气体的流量的气体流量控制阀。气体比例控制阀32可以调节在燃料气体通道43中流动的燃料气体的流量。由于用于驱动阀元件41的驱动机构42具有步进电动机50和两组齿轮机构具有不同齿轮比的齿轮比53,54插入驱动力传递系统中，用于将该步进马达50的旋转驱动力传递到阀元件41，即分别对应于多个齿轮机构的两组齿轮机构53和54 气体，当选择某种燃料气体时，可以通过切换到具有用于控制所选择的燃料气体的流量的最佳传动比的齿轮机构来精确地调节燃料气体的流量。版权所有（C）2004，JPO

7. 发明专利

JP2007309554A Gas combustion device 审中-公开
标题翻译：气体燃烧装置
公开(公告)号：JP2007309554A
公开(公告)日：2007-11-29
申请号：JP2006137176
申请日：2006-05-17
申请人： Noritz Corp , Yamatake Corp , 株式会社ノーリツ , 株式会社山武
发明人： HATA SHUSUKE , MIKI SHUNICHI , OTA AKIRA , AOSHIMA SHIGERU
IPC分类号： F23N1/00
摘要： PROBLEM TO BE SOLVED: To provide a gas combustion device having a function capable of accurately discriminating kinds of gas without changing a structure of a sensor chip, and performing optimal combustion control.
SOLUTION: In this gas combustion device 1 comprising a thermal mass flow rate sensor 11 in a fuel gas supply passage 10 to a burner 2, a main gas solenoid valve 13 is temporarily closed when flame is detected by a frame rod 15 in its ignition operation, heater electric power of the sensor 11 is operated, and the kind of gas is discriminated on the basis of a result of the operation. After the discrimination of the kind of gas, combustion is controlled according to the kind of gas on the basis of a result of the discrimination.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有能够在不改变传感器芯片的结构的情况下精确地识别气体的功能并进行最佳燃烧控制的气体燃烧装置。解决方案：在该气体燃烧装置1中，在燃烧器2的燃料气体供给通路10内设置有热质量流量传感器11，当通过框架杆15检测到火焰时，主气体电磁阀13暂时关闭其点火操作，传感器11的加热器电力被操作，并且基于操作的结果来区分气体的种类。在区分气体的种类之后，基于鉴别结果，根据气体的种类来控制燃烧。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2005134023A Gas combustion device 有权
标题翻译：气体燃烧装置
公开(公告)号：JP2005134023A
公开(公告)日：2005-05-26
申请号：JP2003369849
申请日：2003-10-30
申请人： Noritz Corp , 株式会社ノーリツ
发明人： HATA SHUSUKE , OTA AKIRA
IPC分类号： F23N5/18 , F23D14/48 , F23N1/00
摘要： PROBLEM TO BE SOLVED: To provide a gas combustion device not requiring exchange of gas nozzles due to gas another kind of, and capable of carrying out accurate combustion control even without a highly accurate gas nozzle.
SOLUTION: In a water heater 1 provided with a burner 2, a gas nozzle 10 supplying fuel gas to the burner 2, a gas pipe 8 supplying the fuel gas to the gas nozzle 10, and a gas flow control valve 12 adjusting a flow rate of the fuel gas in the gas pipe 8, the gas nozzle 10 is selected and set such that a summation of opening areas of the gas nozzle 10 is at least the same as a maximum opening area of the gas flow control valve 12, or the summation of the opening areas of the gas nozzle 10 is larger than the maximum opening area of the gas flow control vale 12.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种气体燃烧装置，其不需要另外种类的气体而不需要交换气体喷嘴，并且即使没有高精度的气体喷嘴也能够进行精确的燃烧控制。解决方案：在设置有燃烧器2的热水器1中，向燃烧器2供给燃料气体的气体喷嘴10，向气体喷嘴10供给燃料气体的气体管8以及气体调节阀12 气体管8中的燃料气体的流量，气体喷嘴10的选择和设定使得气体喷嘴10的开口面积的总和至少与气体流量控制阀12的最大开口面积相同或者气体喷嘴10的开口面积的总和大于气体流量控制阀12的最大开口面积。（C）2005，JPO＆NCIPI

9. 发明专利

JP2004353990A Gas combustion equipment 有权
公开(公告)号：JP2004353990A
公开(公告)日：2004-12-16
申请号：JP2003153801
申请日：2003-05-30
申请人： Noritz Corp , 株式会社ノーリツ
发明人： HATA SHUSUKE , OTA AKIRA
IPC分类号： F23N5/18 , F23N1/00 , F23N5/14 , F24H1/10
摘要： PROBLEM TO BE SOLVED: To provide gas combustion equipment superior in responsiveness and a hot water outflow characteristic, even in the gas combustion equipment having a flow control valve as a fuel control valve.
SOLUTION: This gas combustion equipment has a means 101 for setting required gas quantity Vo on the basis of the target temperature To, and a means 102 for setting valve opening K of a gas flow control valve 12 from the required gas quantity Vo; and is provided with a first feedback quantity setting means 103 for controlling the required gas quantity Vo on the basis of the hot water outflow temperature Tb by making a feedback process, and a second feedback quantity setting means 104 for controlling the setting of the valve opening K on the basis of sensor output S of a gas flow rate sensor 11 by making a feedback process. At the beginning of starting the hot water outflow, reduction in primary gas pressure is compensated by performing feedback control by the second feedback quantity setting means 104.
COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2004205376A Thermal mass flow sensor and gas combustion device 有权
公开(公告)号：JP2004205376A
公开(公告)日：2004-07-22
申请号：JP2002375519
申请日：2002-12-25
申请人： Noritz Corp , 株式会社ノーリツ
发明人： HATA SHUSUKE , OTA AKIRA
IPC分类号： G01F1/68 , F23N1/00 , F23N5/18 , F23N5/26 , G01P21/02
摘要： PROBLEM TO BE SOLVED: To provide a thermal mass flow sensor capable of self-diagnosis of existence of foreign matter adhesion.
SOLUTION: This device comprises a sensor body 6 having a heater 2 and temperature sensors 3, 4 provided on both the upstream and downstream sides of the heater 2, for detecting temperature rise of a fluid by the heater 2, and a control part 7. When the fluid which is a measuring object is in the static state, the control part 7 allows the heater to heat, compares output values of both temperature sensors 3, 4 on the upstream side and the downstream side, determines that a foreign matter does not adhere to the sensor body 6 when the values are same from a comparison result, and determines that the foreign matter adheres thereto when the values have a difference exceeding a prescribed range.
COPYRIGHT: (C)2004,JPO&NCIPI

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