CN100464124C - Blower for combustion air - Google Patents
Blower for combustion air Download PDFInfo
- Publication number
- CN100464124C CN100464124C CNB2005101036834A CN200510103683A CN100464124C CN 100464124 C CN100464124 C CN 100464124C CN B2005101036834 A CNB2005101036834 A CN B2005101036834A CN 200510103683 A CN200510103683 A CN 200510103683A CN 100464124 C CN100464124 C CN 100464124C
- Authority
- CN
- China
- Prior art keywords
- air
- air blast
- mass flow
- blast according
- jet device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 26
- 239000000446 fuel Substances 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 24
- 239000000203 mixture Substances 0.000 description 9
- 239000002737 fuel gas Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Images
Classifications
-
- 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
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- 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
- F23N1/022—Regulating fuel supply conjointly with air supply using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
- F23N5/184—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
- F23N2005/181—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
- F23N2005/185—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2221/00—Pretreatment or prehandling
- F23N2221/10—Analysing fuel properties, e.g. density, calorific
-
- 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
Abstract
A blower for combustion air in a wall/floor furnace is provided that includes a blower housing ( 26 ), and blower wheel ( 27 ), with an air inlet ( 28 ) and an air outlet ( 29 ), and with a fuel feeder line ( 1 ) for fuel, wherein a mass current sensor ( 13 ) for determining the air mass current is located on the air inlet ( 28 ), which is functionally connected with a data processing device ( 4 ) and sends signals to the data processing device for calculation of a ratio of combustion medium to combustion air in dependence on a desired heating capacity.
Description
Technical field
The present invention relates to a kind of air blast that is used for the combustion air body.
Background technology
Disclose a kind of method in German patent DE 2928739B1, wherein the part air-flow of fuel gas is attracted and guides on the resistant layer.Fall at the pressure of measuring on the resistant layer under stable temperature or the suitable temperature-compensating.Can adopt measured pressure to fall or gas viscosity is determined Wobbe index or Wobbe number, and therefore determine the calorific value and the efficient heat of gas.
A kind of device of oxidant/fuel mixture of the supply pipeline that is used for setting burner is disclosed in International Patent Application WO 2000/065280 or German patent DE 19918901C1.Measure the viscosity of oxidant/fuel mixture, and set the composition of oxidant/fuel mixture according to determined measured value.In order to measure this viscosity, especially need measure volume flow, the temperature and pressure of fuel.According to the method that is proposed, viscosity determine to depend on many parameters.Owing to when measuring each parameter, exist measure error, so the definite of viscosity is inaccurate sometimes.Therefore, the setting of oxidant/fuel mixture is always best.
But the volume flow of measurement gas fuel is disclosed so that measure and/or adjust the heat that will be sent in the gas consumption device in German patent DE 4336174.Also measure velocity of sound and gas density under the normal condition in addition, and the velocity of sound under the condition of work.From above-mentioned parameter, can determine to be sent to the heat in the gas consumption device.
Known devices can't be determined the pressure oscillation in the gas line.Must locate the setting pressure adjuster forwardly.Known devices is not general especially, and this is because it just is optimized to designated value with gas/air mixture.Particularly, it does not have to consider especially burner must be sometimes will be according to the selection of certain operational modes and under the condition of different gas/air mixture, operate.
Summary of the invention
The objective of the invention is to specify a kind of universal method and fexible unit that is used to set the air ratio of fuel/air mixture.
According to the present invention, a kind of air blast that is used for the combustion air of wall surface type/floor type combustion furnace is provided, it has fan drum and blast fan, described impeller has air intake and air outlet slit, also has the gas supply pipe line that is used for fuel, it is characterized in that, a mass flow sensor that is used for the mass flow of definite described air is positioned at described air intake, it links to each other with a data processing equipment on function and sends a signal to described data processing equipment, is used for calculating according to required thermal capacity the ratio of combustion medium and combustion air.
The device that making has this air blast is feasible, and it comes to provide and permanently guarantee uniformly low radiation burning for complete blending surface formula burner by the mass flow that obtains air.By air blast and the fuel feed pipe line that is used for fuel or gas combustion medium are combined, just can provide the compact structure unit, it can reduce the workload of installation significantly when making combustion furnace.By directly obtaining the mass flow of combustion air and the mass flow of combustion medium at the air intake place, just can obtain being used for interference-free and control and regulate required actual value, like this, the adjusting of blending ratio can realize accurate setting, and the burning of low radiation is provided.
This advantage especially when described mass flow sensor is the airspeedometer of electronic air mass flow.Proved that this airspeedometer is all useful to various measured zone, and can provide enough accurate signal to determine the mass flow of gaseous medium.
A kind of setting of special optimization is at the air intake place of air blast the annular jet device to be set, and described mass flow sensor is located on this device.This special setting that is used to locate second mass flow sensor allows interference-free to obtain mass flow, and this is because have the pseudolaminar flow flow in this position, and measured state can be regarded as on the sectional area of suction side be uniform.
Advantageous particularly when described mass flow sensor is arranged in the branch line in the gap of leading to the annular jet device.Can be sent to by the measurement mass flow that this branch line will be optimized in the described mass flow sensor, like this, this suitable measuring-signal can carry out the mensuration of zero defect to the actual mass flow in the main flow part.
In another embodiment, except the jet gap that is used for the air quality measurement, the annular jet device also has another jet gap that is used to provide fuel.This special form allows to obtain the mixture very uniformly of fuel and combustion air.
Also have a mass flow sensor preferably to be installed in the zone in described another jet gap, it can send to data processing equipment with appropriate signals.This just makes it possible to obtain optimum burning condition, and with irrelevant in the fixed value that is used for setting on the device of fuel gas.
As another advantage, the annular jet device can be an integral part on the shell wall at air blast air intake place.The annular jet device has preferably surrounded the main flow part of the combustion air at air intake place, or forms a ring around this main flow part.This device guarantees to continue by suitable jet gap and aspirates equably and measure air stream.
In a kind of different design form, input channel can be located at before the annular jet device.When this favourable form of use, branch line can lead in the input channel.Yet this branch line also can lead in the annular gap in the input channel, thereby can guarantee to measure the even suction of air stream according to the pressure distribution on the cross section.
In another kind of design form, preferably can control gas supply device by rotary valve/control valve, this valve is an integral part of blower drum.This rotary valve/control valve preferred design is used for the gas supply device of air blast suction side.This makes that the efficient of making is higher.
Form provided by the present invention preferably adopts motor commutation (commutataion) to handle the assessment of mass flow, and the speed of regulating blower motor based on assessment result.
When adopting motor commutation to handle the mass flow assessment and regulating the speed of blower motor and during gas supply device, this is especially favourable.
To adopt example below and introduce the present invention in more detail based on accompanying drawing.
Fig. 1 is the schematic sectional view of first air blast,
Fig. 2 is the schematic sectional view of second air blast,
Fig. 3 is the schematic sectional view of the 3rd air blast,
Fig. 4 be the 4th air blast schematic sectional view and
Fig. 5 is the schematic diagram that is provided with the air blast top of gas supply device at the air intake place,
The specific embodiment
Fig. 1 has shown the example of an air blast that is used for combustion air, and it can be used in so-called wall/floor type combustion furnace.This air blast is made up of fan drum 26 and blast fan 27, and blast fan 27 has air intake 28 and air outlet slit 29.Air intake 28 is positioned at the suction side of air blast, and air outlet slit 29 is positioned on the pressure side.In example of the present invention shown in Figure 1, the gas supply pipe line is represented by label 1 equally.Be used for determining that the mass flow sensor 13 of MAF is in air intake 28.This mass flow sensor 13 sends to control-regulon or data processing equipment 4 with signal, and it can control burning according to required thermal capacity, for example sets the relation between combustion medium and the combustion air.This mass flow sensor 13 can be the airspeedometer of the MAF of electronic type, and it can obtain from the tradition source.
Shown in this example, except the jet gap 32 that is used for the air quality measurement, annular jet device 30 also has another jet gap 33 (gas jet gap) that is used for supply gas.
Also have a mass flow sensor 7 to be arranged in another jet gap 33, it sends to data processing equipment 4 with the signal relevant with the mass flow of fuel gas.
If exist deviation with actual value, data processing equipment 4 just adopts the signal of MAF and the signal of gas mass flow to calculate suitable variable quantity, so that reach each required value.
Though mass flow sensor 7,13 are installed in available pipeline or the annular jet part as independent parts shown in example among Fig. 1, yet also can design the mass flow sensor 7 as shown in example among Fig. 2,13, it makes to have common dividing wall between the annular jet device of the mass flow measurement that is used for air, and flow obtains by measuring chip.This has just formed the compact structure unit.
Fig. 3 has shown another example of air blast.Input channel 35 is positioned at before the annular jet device 30.In this form, second mass flow sensor 13 that is used for MAF is positioned at the branch line 31 that leads to input channel 35.Be provided with the circulating line that is capped 37 that is positioned at before the annular gap 36 in input channel 35, branch line 31 leads in this circulating line.The swabbing action of annular can realize suction uniformly to the measurement volumes of the mass flow of passing branch line 31.
In the example depicted in fig. 4, branch line 31 is designed to make its opening generally perpendicularly to point to the wall of input channel 35.
Fig. 4 has shown the example of rotary valve/control valve 38, and this valve can be used for actuating in all other the pattern and by data processing unit 4.Rotary valve/control valve 38 is integral parts of air blast.Shown in form in, rotary valve/control valve 38 is designed to the suction side supply gas at air blast.
As the example that can be used for all other patterns, Fig. 4 has shown blower motor 39, and wherein data processing equipment 4 is handled the assessment and the motor commutation of mass flow, and the speed of regulating blower motor in view of the above.This control is designed to electronic unit or adjustments of gas supply under the constant speed of motor 39, perhaps relatively comes suitably to regulate the speed and the gas supply of motor according to the continuous set point/actual value of desired volume.
Fig. 5 has shown the side view of structure provided by the present invention, and wherein gas supplies with 1 and occur on the air intake without the annular jet device, but occur on the air outlet slit on the pressure side near.
The present invention is not limited to above-mentioned preferred exemplary.On the contrary, even under the visibly different situation of model, also can utilize described plan plot to go out many modification.
Label list
1 gas supply pipe line
4 data processing equipments
6 first slotted lines
7 first mass flow sensors
13 flow sensors
24 assessment electronic units
25 shells
26 fan drums
27 blast fans
28 air intakes
29 air outlet slits
30 annular jet devices
31 branch lines
32 jet gaps
33 another jet gaps
34 shell walls
35 input channels
36 annular gaps
37 circulating lines
38 rotary valves/control valve
39 motor
Claims (16)
1. air blast that is used for the combustion air of wall surface type/floor type combustion furnace, it has fan drum (26) and blast fan (27), described impeller (27) has air intake (28) and air outlet slit (29), also has the gas supply pipe line (1) that is used for fuel, it is characterized in that, a mass flow sensor (13) that is used for the mass flow of definite described air is positioned at described air intake (28), it links to each other with a data processing equipment (4) on function and sends a signal to described data processing equipment, is used for calculating according to required thermal capacity the ratio of combustion medium and combustion air.
2. air blast according to claim 1 is characterized in that, described mass flow sensor (13) is the airspeedometer of the MAF of electronic type.
3. air blast according to claim 1 and 2 is characterized in that, is provided with annular jet device (30) on described air intake (28).
4. air blast according to claim 3 is characterized in that, described mass flow sensor (13) is positioned on the described annular jet device (30).
5. air blast according to claim 3 is characterized in that, described mass flow sensor (13) is arranged in a branch line (31), and described branch line leads in the jet gap (32) of described annular jet device (30).
6. air blast according to claim 3 is characterized in that, except the jet gap (32) that is used for the air quality measurement, described annular jet device (30) also has another jet gap (33) that is used for fuel supplying.
7. air blast according to claim 6 is characterized in that, also has a mass flow sensor (7) to be positioned at the zone in described another jet gap (33), and it sends to described data processing equipment (4) with appropriate signals.
8. air blast according to claim 3 is characterized in that, described annular jet device (30) is an integral part of the shell wall (34) located of the air intake (28) of described air blast.
9. air blast according to claim 3 is characterized in that, described annular jet device (30) has surrounded the main flow part of the combustion air that described air intake (28) locates.
10. air blast according to claim 5 is characterized in that, is provided with input channel (35) before at described annular jet device (30).
11. air blast according to claim 10 is characterized in that, described branch line (31) leads in the described input channel (35).
12. air blast according to claim 10 is characterized in that, described branch line (31) leads in the interior annular gap (36) of described input channel (35).
13. air blast according to claim 12 is characterized in that, a rotary valve/control valve (38) that is used for supply gas is an integral part of described fan drum.
14. air blast according to claim 13 is characterized in that, the described rotary valve/control valve (38) that is used for supply gas is positioned at the suction side of described air blast.
15. air blast according to claim 1 is characterized in that, adopts an electronic motor to commutate and handles the assessment of mass flow, and regulate the speed of a blower motor.
16. air blast according to claim 1 is characterized in that, adopts an electronic motor to commutate and handles the assessment of mass flow, and regulate the speed and the air supply of a blower motor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10114405.9 | 2001-03-23 | ||
| DE10114405A DE10114405B4 (en) | 2001-03-23 | 2001-03-23 | Blower for combustion air |
| DE10114901.8 | 2001-03-26 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028101642A Division CN1228568C (en) | 2001-03-23 | 2002-03-22 | Method and apparatus for setting air ratio |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1737428A CN1737428A (en) | 2006-02-22 |
| CN100464124C true CN100464124C (en) | 2009-02-25 |
Family
ID=7678799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101036834A Expired - Fee Related CN100464124C (en) | 2001-03-23 | 2002-03-22 | Blower for combustion air |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1243857B1 (en) |
| CN (1) | CN100464124C (en) |
| DE (1) | DE10114405B4 (en) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004055716C5 (en) | 2004-06-23 | 2010-02-11 | Ebm-Papst Landshut Gmbh | Method for controlling a firing device and firing device (electronic composite I) |
| EP1761728B1 (en) * | 2004-06-23 | 2014-11-19 | ebm-papst Landshut GmbH | Method for adjusting the excess air coefficient on a firing apparatus, and firing apparatus |
| EP2048439B1 (en) | 2007-10-12 | 2014-06-18 | ebm-papst Landshut GmbH | Ventilator with integrated control valve |
| US8286594B2 (en) * | 2008-10-16 | 2012-10-16 | Lochinvar, Llc | Gas fired modulating water heating appliance with dual combustion air premix blowers |
| DE202010018511U1 (en) * | 2010-03-10 | 2017-03-24 | Ebm-Papst Landshut Gmbh | Pneumatic compound with mass balance |
| DE102011102984A1 (en) * | 2011-05-23 | 2012-11-29 | Ernst Pennekamp Gmbh & Co. Ohg | Apparatus for heating furnace installations for goods, in particular for glassware, and furnace installation provided therewith |
| US8947242B2 (en) | 2011-12-15 | 2015-02-03 | Honeywell International Inc. | Gas valve with valve leakage test |
| US9835265B2 (en) | 2011-12-15 | 2017-12-05 | Honeywell International Inc. | Valve with actuator diagnostics |
| US9557059B2 (en) | 2011-12-15 | 2017-01-31 | Honeywell International Inc | Gas valve with communication link |
| US8899264B2 (en) | 2011-12-15 | 2014-12-02 | Honeywell International Inc. | Gas valve with electronic proof of closure system |
| US9074770B2 (en) | 2011-12-15 | 2015-07-07 | Honeywell International Inc. | Gas valve with electronic valve proving system |
| US9851103B2 (en) | 2011-12-15 | 2017-12-26 | Honeywell International Inc. | Gas valve with overpressure diagnostics |
| US8839815B2 (en) | 2011-12-15 | 2014-09-23 | Honeywell International Inc. | Gas valve with electronic cycle counter |
| US9846440B2 (en) | 2011-12-15 | 2017-12-19 | Honeywell International Inc. | Valve controller configured to estimate fuel comsumption |
| US8905063B2 (en) | 2011-12-15 | 2014-12-09 | Honeywell International Inc. | Gas valve with fuel rate monitor |
| US9995486B2 (en) | 2011-12-15 | 2018-06-12 | Honeywell International Inc. | Gas valve with high/low gas pressure detection |
| US9234661B2 (en) | 2012-09-15 | 2016-01-12 | Honeywell International Inc. | Burner control system |
| US10422531B2 (en) | 2012-09-15 | 2019-09-24 | Honeywell International Inc. | System and approach for controlling a combustion chamber |
| EP2868970B1 (en) | 2013-10-29 | 2020-04-22 | Honeywell Technologies Sarl | Regulating device |
| US10024439B2 (en) | 2013-12-16 | 2018-07-17 | Honeywell International Inc. | Valve over-travel mechanism |
| US9841122B2 (en) | 2014-09-09 | 2017-12-12 | Honeywell International Inc. | Gas valve with electronic valve proving system |
| US9645584B2 (en) | 2014-09-17 | 2017-05-09 | Honeywell International Inc. | Gas valve with electronic health monitoring |
| DE102015109684B3 (en) * | 2015-06-17 | 2016-09-01 | Ebm-Papst Landshut Gmbh | Nozzle device with dust collector and method for measuring an air mass flow |
| US10503181B2 (en) | 2016-01-13 | 2019-12-10 | Honeywell International Inc. | Pressure regulator |
| DE102016118369A1 (en) * | 2016-09-28 | 2018-03-29 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Suction nozzle and blow-out unit of a fan |
| PL3301363T3 (en) | 2016-09-30 | 2020-03-31 | Siemens Aktiengesellschaft | Combustion unit with a burner and flow measurement of turbulent flows |
| HUE049484T2 (en) * | 2016-09-30 | 2020-09-28 | Siemens Ag | Method of controlling turbulent flows |
| US10564062B2 (en) | 2016-10-19 | 2020-02-18 | Honeywell International Inc. | Human-machine interface for gas valve |
| US11073281B2 (en) | 2017-12-29 | 2021-07-27 | Honeywell International Inc. | Closed-loop programming and control of a combustion appliance |
| US10697815B2 (en) | 2018-06-09 | 2020-06-30 | Honeywell International Inc. | System and methods for mitigating condensation in a sensor module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63294418A (en) * | 1987-05-27 | 1988-12-01 | Shizuoka Seiki Co Ltd | Burner apparatus |
| JPH0436099A (en) * | 1990-05-30 | 1992-02-06 | Hitachi Ltd | Axial flow fluid machine |
| US5401162A (en) * | 1989-10-30 | 1995-03-28 | Honeywell Inc. | Microbridge-based combustion control |
| US5486107A (en) * | 1992-01-30 | 1996-01-23 | Honeywell, Inc. | Determination of fuel characteristics |
| CN1213757A (en) * | 1997-10-07 | 1999-04-14 | 大宇电子株式会社 | Fan motor assembly of gas boiler |
| CN1265729A (en) * | 1997-08-01 | 2000-09-06 | 马克·圣约翰·韦布 | Burner system |
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| DE19853573A1 (en) * | 1998-11-20 | 2000-05-25 | Bosch Gmbh Robert | heater |
-
2001
- 2001-03-23 DE DE10114405A patent/DE10114405B4/en not_active Expired - Fee Related
-
2002
- 2002-01-21 EP EP02001432A patent/EP1243857B1/en not_active Expired - Lifetime
- 2002-03-22 CN CNB2005101036834A patent/CN100464124C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63294418A (en) * | 1987-05-27 | 1988-12-01 | Shizuoka Seiki Co Ltd | Burner apparatus |
| US5401162A (en) * | 1989-10-30 | 1995-03-28 | Honeywell Inc. | Microbridge-based combustion control |
| JPH0436099A (en) * | 1990-05-30 | 1992-02-06 | Hitachi Ltd | Axial flow fluid machine |
| US5486107A (en) * | 1992-01-30 | 1996-01-23 | Honeywell, Inc. | Determination of fuel characteristics |
| CN1265729A (en) * | 1997-08-01 | 2000-09-06 | 马克·圣约翰·韦布 | Burner system |
| CN1213757A (en) * | 1997-10-07 | 1999-04-14 | 大宇电子株式会社 | Fan motor assembly of gas boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1243857B1 (en) | 2005-12-14 |
| EP1243857A1 (en) | 2002-09-25 |
| DE10114405B4 (en) | 2011-03-24 |
| CN1737428A (en) | 2006-02-22 |
| DE10114405A1 (en) | 2002-09-26 |
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