WO2012081796A1 - 출력조절장치를 구비한 가스보일러 및 가스보일러의 출력조절방법 - Google Patents
출력조절장치를 구비한 가스보일러 및 가스보일러의 출력조절방법 Download PDFInfo
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- WO2012081796A1 WO2012081796A1 PCT/KR2011/006119 KR2011006119W WO2012081796A1 WO 2012081796 A1 WO2012081796 A1 WO 2012081796A1 KR 2011006119 W KR2011006119 W KR 2011006119W WO 2012081796 A1 WO2012081796 A1 WO 2012081796A1
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- WIPO (PCT)
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- gas
- air
- valve
- output
- boiler
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/34—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air
- F23D14/36—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L13/00—Construction of valves or dampers for controlling air supply or draught
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L5/00—Blast-producing apparatus before the fire
- F23L5/02—Arrangements of fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2233/00—Ventilators
- F23N2233/06—Ventilators at the air intake
- F23N2233/08—Ventilators at the air intake with variable speed
Definitions
- the present invention relates to a gas boiler and an output control method of the gas boiler having an output control device, and more particularly, to an output control device capable of uniformly adjusting the mixing ratio of air and combustion gas in proportion to the output value of the boiler.
- the present invention relates to a gas boiler and a gas boiler output control method including an output control device that can simplify the configuration and accurately control the output of the boiler even when the set output value of the boiler is a low output region.
- the blower 10 for sucking the outside air to supply the air required for combustion the supply of the combustion gas is mixed with the air sucked through the blower 10
- a gas valve 20 a burner 30 for burning a mixture of air and combustion gas supplied through the blower 10, a combustion chamber 40 in which the burner 30 is burned, and the burner 30.
- a heat exchanger 50 in which heat exchange is performed between the combustion gas generated in the heating gas and the heating water, and an exhaust hood 60 through which the combustion gas passing through the heat exchanger 50 is discharged.
- varying the output of the boiler means varying the output of the burner 30, and in order to vary the output of the burner 30, the amount of air and the amount of gas must be varied in proportion to the output.
- the conventional gas boiler has a separate configuration in which the blower 10 for supplying external air and the gas valve 20 for controlling the supply amount of combustion gas are separated from each other, and proportional to the air supply amount in the blower 10. It is necessary to provide a means for separately controlling the amount of gas supplied from the gas valve 20 has a problem in that the configuration of the device is complicated and it is not easy to accurately control the mixing ratio of air and combustion gas in accordance with the output of the set boiler .
- the method of varying the amount of air is a method of varying the number of revolutions of the blower 10, when the high output of the boiler is required to rotate the blower 10 at high speed, when low power is required to rotate the blower 10 at a low speed do.
- the turndown ratio refers to the ratio of the maximum gas consumption to the minimum gas consumption in a gas combustion device in which the amount of gas is variably controlled, and the turndown ratio is the minimum gas consumption to maintain a stable flame. It is limited depending on whether it can be adjusted low, and in the case of a gas boiler, the greater the turndown ratio, the greater the convenience of using heating and hot water, the less variation in temperature control, and the more durable the apparatus can be.
- the present invention has been made in order to solve the above problems, a gas boiler having an output control device having a simple structure of the output control device for uniformly adjusting the mixing ratio of air and combustion gas in proportion to the output value of the boiler.
- the purpose is to provide.
- Still another object of the present invention is to improve the turndown ratio by accurately controlling the output of the boiler by continuously varying the amount of the mixture of air and combustion gas supplied even when the output of the boiler is high as well as low. It is to provide a gas boiler and an output control method of the gas boiler having an output control device.
- Gas boiler equipped with an output control device of the present invention for realizing the above object is, a blower for sucking the outside air to supply the air required for combustion, the gas for intermittent supply of the combustion gas mixed with the air A valve, a burner for burning a mixture of air and gas supplied through the blower, a combustion chamber in which the burner is combusted, a heat exchanger for absorbing combustion heat of combustion gas generated in the burner, and combustion gas passing through the heat exchanger is discharged.
- the gas boiler having a structure in which the combustion gas passing through the gas valve is supplied to the inlet of the blower, the inlet of the blower, the air supply to the outside air is supplied to the blower; Is passed through the air control valve, and the gas valve to control the amount of air supplied through the air supply And the gas outlet is discharged, the gas control valve and the output adjustment made by the valve drive unit which drives the air control valve and gas regulating valve for adjusting the amount of gas for combustion to pass through the gas outlet device is provided;
- the air control valve and the gas control valve are integrally formed; It characterized in that the output of the burner is continuously controlled by adjusting the distance between the air control valve and the gas control valve and the air supply port and the gas outlet.
- the distance between the air control valve and the air supply port and the distance between the gas control valve and the gas outlet may be equally variable.
- the air control valve and the gas control valve is integrally operated by the same valve driving unit, it characterized in that the air supply and the amount of gas supply for combustion continuously.
- the air control valve and the gas control valve is concentrically coupled to the coaxial valve movement shaft, the air supply and the gas outlet is in a concentric cylindrical shape in the position opened and closed by the reciprocating motion of the air control valve and the gas control valve. It may be configured as provided.
- gas valve and the gas outlet may be provided on the axis of the valve movement shaft, the air control valve and the air supply may be configured to be provided around the outer periphery of the gas valve and the gas outlet.
- the position where the gas valve is in contact with the gas outlet is formed at a height lower than the position where the air control valve is in contact with the air supply port, so that the combustion gas discharged to the gas outlet is not leaked to the air supply port, the inside of the blower It may be composed of being mixed with the air supply in the mixing chamber of.
- the gas boiler output control method of the present invention the step of setting the output value of the boiler; Comparing a magnitude of the set output value with a limit output value; And when the set output value is greater than or equal to the limit output value, varying the number of revolutions of the blower to vary the output of the boiler. When the set output value is less than the limit output value, the flow rate of the fluid is adjusted by the output control device in response to the set output value. It includes a step.
- the step of adjusting the flow rate of the fluid in the output control device it may be configured to be performed in a state of maintaining a constant number of revolutions of the blower corresponding to the threshold output value.
- an air control valve and a gas control valve are integrally formed at an inlet of a blower, and the air control valve and the gas control are provided by the same valve driving unit.
- the output can be accurately controlled by the flow rate control in the output control device even when the set output of the boiler is a low output area, it is possible to improve the performance of the boiler by increasing the turndown ratio.
- FIG. 1 is a cross-sectional view schematically showing the configuration of a conventional gas boiler
- FIG. 2 is an external perspective view of a gas boiler having an output control device according to the present invention
- FIG. 3 is a perspective view of the output control device separated from Figure 2,
- FIGS. 4 and 5 are cutaway perspective views of the output control bundle constituting the output control device shown in Figure 3, Figure 4 is a valve closed state, Figure 5 is a perspective view of the cut open state,
- FIG. 6 is a graph showing the relationship between the output of the boiler and the number of revolutions of the blower in the gas boiler according to the present invention.
- FIG. 7 is a flow chart showing a method of controlling the output of the gas boiler according to the present invention.
- blower 11 blower inlet
- valve fixing mouth 136 guide part
- valve movement shaft 162 spring
- mixing chamber 200 blower
- FIG. 2 is an external perspective view of a gas boiler with an output control device according to the present invention.
- the output control device 100 for uniformly adjusting the mixing ratio of air and combustion gas in proportion to the set output of the boiler, and integrally with the output control device 100
- a blower 200 connected to supply a mixture of air and combustion gas to a burner (not shown), a combustion chamber 300 in which the burner is mounted and combusted, and combustion generated in the combustion chamber 300
- Heat exchanger 400 consisting of a sensible heat exchanger 410 that absorbs the sensible heat of the product, and a latent heat exchanger 420 that absorbs the latent heat of water vapor contained in the combustion product that has completed heat exchange in the sensible heat exchanger 410.
- an exhaust hood 500 through which the combustion gas passing through the heat exchanger 400 is discharged to the outside.
- Figure 3 is a perspective view showing the output control device separated from Figure 2
- Figures 4 and 5 are cutaway perspective views of the output control bundle constituting the output control device shown in Figure 3
- Figure 4 is a valve closed state
- Figure 5 is a perspective cutaway view with the valve open.
- the output control device 100 is to adjust the flow rate of the mixture of air and combustion gas in proportion to the output value set in the low output area of the boiler output value less than a predetermined value, the air inlet pipe 110 and gas inlet pipe 120 ) Is provided on both sides and the housing 130 is a mixture of air and combustion gas therein, and the upper cover 140 is coupled to the upper side, the air control valve 112 and the gas control valve 122 on the upper side Valve driving unit 150 for providing power for the reciprocating motion of the) is provided.
- the gas inlet pipe 120 is provided with a gas valve (not shown) to control the supply of the gas for combustion, and when the gas valve is opened, the gas for combustion passing through the gas inlet pipe 120 through the blower ( Is supplied to the inlet of 200).
- the valve driving unit 150 is a common driving source for integrally driving the air control valve 112 and the gas control valve 122 according to the output signal of the boiler, it may be configured as a bidirectional motor.
- the output control bundle (100a) consisting of the housing 130 and its internal components is coupled to the inlet of the blower 200, the portion of the supply amount of the outside air and the gas for combustion is controlled to be.
- the outer shape of the output control bundle (100a) is a housing 130 is provided with both sides of the air inlet 110 and the gas inlet pipe 120 through which the combustion gas is introduced, the outside of the housing 130 It is coupled to the upper portion and the central portion is composed of a valve fixing tool 135 provided with a guide portion 136 for guiding the vertical movement of the valve moving shaft 160 driven by the valve driving unit 150.
- An air inlet 114 connected to the air inlet pipe 110 and serving as a passage for supplying the inlet air to the inlet of the blower 200, and a gas inlet pipe when the gas valve is opened.
- a gas outlet 124 serving as a passage for supplying the combustion gas introduced along the 120 to the inlet of the blower 200 is provided.
- the air inlet 114 and the gas outlet 124 has a cylindrical structure with an open top in the direction of FIGS. 4 and 5, and the air inlet 114 is provided at an outer circumference of the gas outlet 124.
- a mixing chamber 170 in which air and combustion gas are mixed is provided and communicated with the lower blower 200 suction port. .
- the gas outlet 124 and the upper side of the air supply port 114, the gas control valve 122 and the air control valve 112 is integrally coupled to the valve moving shaft 160 in a concentric shape, the valve driving unit 150 of The gas control valve 122 and the air control valve 112 are moved up and down in conjunction with the vertical movement of the valve movement shaft 160 by the operation to open and close the gas outlet 124 and the air supply 114, respectively.
- the gas control valve 122 and the gas outlet 124 is provided on the axis of the valve movement shaft 160, the air control valve 112 and the air supply 114 is the gas control valve 122 and the gas outlet 124 is provided on the outer circumference.
- the upper end of the gas outlet 124 is formed at a height lower than the upper end of the air supply port 114, the lower end of the gas control valve 122 is formed at a height lower than the lower end of the air control valve 112,
- the gas control valve 122 and the air control valve 112 are opened to mix the air and the gas for combustion, the gas for combustion discharged to the gas outlet 124 is not leaked to the air supply port 114. 170)
- the flow path may be naturally formed therein.
- a spring 162 is interposed between the air control valve 112 and the valve fixing hole 135 so that the air control valve 112 and the gas control valve 122 are provided to the air inlet 114 and the gas outlet 124. Since the elastic force acts to pressurize the air control valve 112 and the gas control valve 122 to shut off the flow of the fluid.
- the air control valve 112 and the gas control valve 122 which are integrally coupled to the valve moving shaft 160 are also upward.
- the distance L1 spaced between the gas control valve 122 and the gas outlet 124 and the distance L2 spaced between the air control valve 112 and the air supply 114 are equal to each other. Is variable.
- the air valve valve 112 and the gas control valve 122 are integrally provided on the valve moving shaft 160, and the air control valve 112 and the gas control valve 122 are provided by the same valve driving unit 150. ) Can be reciprocated at the same time to adjust the amount of supply of air and combustion gas to simplify the structure of the output control device 100, the proportion of the mixture of air and combustion gas continuously in proportion to the set output of the boiler It can be adjusted uniformly.
- FIG. 6 is a graph showing the relationship between the output of the boiler and the rotation speed of the blower in the gas boiler according to the present invention.
- the number of revolutions of the blower 200 is changed in proportion to the set output value to adjust the air supply amount.
- the output is adjusted, and in the low output area where the output value of the boiler set by the user is less than the limit output value P1, the output adjustment is maintained at a constant speed of the blower 200 when the limit output value P1 is maintained.
- the flow rate of air and combustion gas is adjusted in correspondence with the set output value.
- the 'limit output value (P1)' means a boundary between the high output and low output
- the limit output value (P1) is the wind pressure is lowered when the rotation speed of the blower 200 decreases from high speed to low blower 200
- the set output value of the boiler when the set output value of the boiler is a high output region, the set output value may correspond to the set output value by adjusting the rotation speed of the blower 200.
- the flow rate in the output control device 100 in the state maintained by it is possible to correspond to the set output value, it is possible to continuously and accurately control the output of the boiler continuously over the entire area from the high output region to the low output region, accordingly The range of turndown ratios can be increased.
- FIG. 7 is a flow chart showing a method of controlling the output of the gas boiler according to the present invention.
- the control unit determines that the set output value is a high output area, the output control device 100 so that the air and combustion gas can be mixed and supplied at a constant mixing ratio
- the output of the boiler is controlled by adjusting the number of revolutions of the blower 200 according to the output value of the boiler set in the opened state (S30).
- the controller determines that the set output value is the low output area and the limit output value P1.
- the blower 200 is controlled to maintain the rotational speed (R1) (S 40), by controlling the operation of the valve drive unit 150 of the output regulator 100 in proportion to the set output value supply flow rate of air and combustion gas It will be adjusted (S 50).
- the output control device 100 when the output value of the set boiler is a low output region, unlike the conventional method of changing the speed of the blower, the output control device 100 is fixed in a fixed state of the speed of the blower.
- the method of adjusting the flow rate of the mixed fluid in the control system it is possible to continuously and accurately control the set output value even in the low power region.
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
Description
Claims (8)
- 외부 공기를 흡입하여 연소에 필요한 공기를 공급하는 송풍기, 상기 공기와 혼합되는 연소용 가스의 공급을 단속하는 가스밸브, 상기 송풍기를 통해 공급된 공기와 가스의 혼합물을 연소시키는 버너, 상기 버너의 연소가 이루어지는 연소실, 상기 버너에서 발생된 연소가스의 연소열을 흡수하는 열교환기 및 상기 열교환기를 통과한 연소가스가 배출되는 배기후드를 포함하고, 상기 가스밸브를 통과한 연소용 가스는 상기 송풍기의 흡입구로 공급되는 구조를 갖는 가스보일러에 있어서,상기 송풍기의 흡입구에는, 상기 송풍기에 외부의 공기가 급기되는 급기구와, 상기 급기구를 통하여 급기되는 공기량을 조절하는 공기조절밸브와, 상기 가스밸브를 통과한 가스가 배출되는 가스배출구와, 상기 가스배출구를 통과하는 연소용 가스량을 조절하는 가스조절밸브 및 상기 공기조절밸브와 가스조절밸브를 구동하는 밸브구동부로 이루어진 출력조절장치가 구비되고;상기 공기조절밸브와 상기 가스조절밸브는 일체형으로 형성되어 있으며;상기 공기조절밸브 및 상기 가스조절밸브와, 상기 급기구 및 상기 가스배출구 사이의 거리를 조절함으로써 버너의 출력을 연속적으로 조절하는 것을 특징으로 하는 출력조절장치를 구비한 가스보일러.
- 제1항에 있어서,상기 공기조절밸브와 상기 급기구 사이의 거리와 상기 가스조절밸브와 상기 가스배출구 사이의 거리는 서로 동일하게 가변되는 것을 특징으로 하는 출력조절장치를 구비한 가스보일러.
- 제1항에 있어서,상기 공기조절밸브와 가스조절밸브는 동일한 밸브구동부에 의해 일체로 작동되어, 공기량과 연소용 가스공급량을 연속적으로 조절하는 것을 특징으로 하는 출력조절장치를 구비한 가스보일러.
- 제1항에 있어서,상기 공기조절밸브와 가스조절밸브는 동축의 밸브이동축에 동심 구조로 결합되고, 상기 급기구와 가스배출구는 상기 공기조절밸브와 가스조절밸브의 왕복운동에 의해 개폐되는 위치에 동심의 원통 형상으로 구비된 것을 특징으로 하는 출력조절장치를 구비한 가스보일러.
- 제4항에 있어서,상기 가스밸브와 가스배출구는 상기 밸브이동축의 축선상에 구비되고, 상기 공기조절밸브와 급기구는 상기 가스밸브와 가스배출구의 외측 둘레에 구비된 것을 특징으로 하는 출력조절장치를 구비한 가스보일러.
- 제5항에 있어서,상기 가스배출구에 상기 가스밸브가 맞닿는 위치는 상기 급기구에 공기조절밸브가 맞닿는 위치보다 낮은 높이로 형성되어, 상기 가스배출구로 배출되는 연소용 가스가 상기 급기구로 누설됨이 없이 상기 송풍기 내부의 혼합실에서 급기공기와 혼합되는 것을 특징으로 하는 출력조절장치를 구비한 가스보일러.
- 보일러의 출력값을 설정하는 단계;상기 설정된 출력값과 한계출력값의 크기를 비교하는 단계; 및상기 설정된 출력값이 한계출력값 이상인 경우에는 상기 송풍기의 회전수를 가변시켜 보일러의 출력을 가변시키고, 상기 설정된 출력값이 한계출력값 미만인 경우에는 상기 설정된 출력값에 대응하여 청구항 제1항 내지 제5항 중 어느 하나의 항에 기재된 출력조절장치에서 유체의 흐름량을 조절하는 단계;를 포함하는 가스보일러의 출력조절방법.
- 제7항에 있어서,상기 출력조절장치에서 유체의 흐름량을 조절하는 단계는,상기 한계출력값에 해당하는 송풍기의 회전수를 일정하게 유지한 상태에서 수행되는 것을 특징으로 하는 가스보일러의 출력조절방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180060219.5A CN103261791B (zh) | 2010-12-15 | 2011-08-19 | 具有功率调节装置的燃气锅炉及燃气锅炉的功率调节方法 |
EP11848315.5A EP2653781A4 (en) | 2010-12-15 | 2011-08-19 | Gas boiler including output adjusting device, and method of adjusting output of gas boiler |
US13/994,240 US9341370B2 (en) | 2010-12-15 | 2011-08-19 | Gas boiler including output adjusting device, and method of adjusting output of gas boiler |
JP2013543084A JP2014502337A (ja) | 2010-12-15 | 2011-08-19 | 出力調節装置を具備したガスボイラー及びガスボイラーの出力調節方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020100128049A KR101179750B1 (ko) | 2010-12-15 | 2010-12-15 | 출력조절장치를 구비한 가스보일러 및 가스보일러의 출력조절방법 |
KR10-2010-0128049 | 2010-12-15 |
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WO2012081796A1 true WO2012081796A1 (ko) | 2012-06-21 |
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PCT/KR2011/006119 WO2012081796A1 (ko) | 2010-12-15 | 2011-08-19 | 출력조절장치를 구비한 가스보일러 및 가스보일러의 출력조절방법 |
Country Status (6)
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US (1) | US9341370B2 (ko) |
EP (1) | EP2653781A4 (ko) |
JP (1) | JP2014502337A (ko) |
KR (1) | KR101179750B1 (ko) |
CN (1) | CN103261791B (ko) |
WO (1) | WO2012081796A1 (ko) |
Cited By (1)
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US20180231243A1 (en) * | 2015-08-25 | 2018-08-16 | Rinnai Corporation | Premixing Apparatus |
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US20090317756A1 (en) * | 2008-06-18 | 2009-12-24 | Mestek, Inc. | Digital high turndown burner |
KR101337468B1 (ko) * | 2012-01-30 | 2013-12-06 | (주)귀뚜라미 | 가스 믹서 |
KR101294685B1 (ko) * | 2012-07-23 | 2013-08-09 | 한국에너지기술연구원 | 열분해 효과를 이용하는 연료 및 산화제 부분 예혼합 연소장치 및 그 연소장치를 이용한 연소방법 |
KR101483971B1 (ko) * | 2013-07-04 | 2015-01-21 | 한국에너지기술연구원 | 발열량 변동 대응 공연비 제어 모듈, 이를 포함하는 공연비 제어 장치와 시스템 및 이를 이용한 제어 방법 |
CA2937658C (en) * | 2014-02-12 | 2022-08-30 | C.I.B. Unigas S.P.A. | Device for controlling the combustion of a burner |
DE102015203978A1 (de) | 2015-03-05 | 2016-09-08 | Stg Combustion Control Gmbh & Co. Kg | Verfahren zum geregelten Betrieb eines, insbesondere regenerativ, beheizten Industrieofens, Steuer- und Regeleinrichtung und beheizbarer Industrieofen |
JP6873004B2 (ja) * | 2017-08-03 | 2021-05-19 | リンナイ株式会社 | 予混合装置 |
CN108277337A (zh) * | 2018-02-27 | 2018-07-13 | 首钢京唐钢铁联合有限责任公司 | 一种连续立式退火炉控制方法 |
CN114799143A (zh) * | 2022-05-23 | 2022-07-29 | 氢环环保科技(上海)有限公司 | 利用布朗气的浇包预热装置及预热方法 |
DE102022124830A1 (de) * | 2022-09-27 | 2024-03-28 | Vaillant Gmbh | Vorrichtung für ein Heizgerät, Heizgerät und Verfahren zu dessen Betrieb |
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- 2011-08-19 JP JP2013543084A patent/JP2014502337A/ja active Pending
- 2011-08-19 WO PCT/KR2011/006119 patent/WO2012081796A1/ko active Application Filing
- 2011-08-19 US US13/994,240 patent/US9341370B2/en active Active
- 2011-08-19 CN CN201180060219.5A patent/CN103261791B/zh active Active
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US10495301B2 (en) * | 2015-08-25 | 2019-12-03 | Rinnai Corporation | Premixing apparatus |
Also Published As
Publication number | Publication date |
---|---|
CN103261791A (zh) | 2013-08-21 |
US9341370B2 (en) | 2016-05-17 |
KR101179750B1 (ko) | 2012-09-04 |
JP2014502337A (ja) | 2014-01-30 |
EP2653781A4 (en) | 2017-07-12 |
CN103261791B (zh) | 2015-09-30 |
US20130260325A1 (en) | 2013-10-03 |
KR20120066781A (ko) | 2012-06-25 |
EP2653781A1 (en) | 2013-10-23 |
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