EP1382910A2 - Regeleinrichtung für Gasbrenner - Google Patents
Regeleinrichtung für Gasbrenner Download PDFInfo
- Publication number
- EP1382910A2 EP1382910A2 EP20030016214 EP03016214A EP1382910A2 EP 1382910 A2 EP1382910 A2 EP 1382910A2 EP 20030016214 EP20030016214 EP 20030016214 EP 03016214 A EP03016214 A EP 03016214A EP 1382910 A2 EP1382910 A2 EP 1382910A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- valve
- gas space
- control device
- main valve
- 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.)
- Granted
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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
- F23N5/00—Systems for controlling combustion
- F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
- F23N5/245—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electrical or electromechanical means
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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
- F23N1/005—Regulating fuel supply using electrical or electromechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/14—Fuel valves electromagnetically operated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/18—Groups of two or more valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/20—Membrane valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
- Y10T137/7764—Choked or throttled pressure type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7782—With manual or external control for line valve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7835—Valve seating in direction of flow
- Y10T137/7836—Flexible diaphragm or bellows reactor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87917—Flow path with serial valves and/or closures
Definitions
- the invention relates to a control device for gas burners.
- Control devices for gas burners are state of the art well known.
- Known control devices for gas burners have a main valve, a servo valve and one Servo controller, whereby according to the prior art the servo controller the setpoint adjustment and the regulation of a gas outlet pressure serves.
- Such a control device is known from DE 100 26 035 A1 known.
- the control device for gas burners described there has a main and a servo valve, with the servo valve the opening of the main valve is regulated.
- an actuator for the servo valve provided the opening and closing of the servo valve with a corresponding pulse width achieved.
- control devices for gas burners are often used increased security standard required. According to this one increased safety with regard to the closing of the main valve and requires an interruption in the gas flow. Such security requirements is usually replaced by a second one Main valve connected in series taken into account. At a Such construction is required that even in the event of a defect or failure of one of the main valves the gas flow is safely interrupted becomes.
- Such control devices allow in most However, cases do not modulate the pressure or the valve or the modulation is extremely difficult or becomes insufficiently meet the relevant requirements.
- the object of the invention is therefore to provide a control device for To create gas burners with a double main valve that still allows good modulation.
- a control device with two in a row provided proposed main valves, each controlled by a servo valve actuated by an actuator become.
- the main valves can be operated using a membrane, which delimits a first gas space.
- the first servo valve on gas lines with the first Gas space of the first main valve, a second gas space in the inlet area the first main valve and a third gas line connected to the first gas space of the second main valve.
- the three-way valve device can advantageously be switched in this way that either the first gas space with the second gas space or the first gas space is connected to the third gas space. This can be done in a simple manner using such a circuit Control the main valve and also the opening cross-section of the main valve modulate to the desired modulation of the To achieve gas flow through the control device.
- the main valve is expediently closed by a spring Position and is under pressure in the first gas space opened opposite the second gas space.
- the main valve with a membrane in active connection, which separates the first gas space.
- the main valve is closed due to excess pressure in the first gas space and the force of the spring.
- Such generic control devices are considered the opening and closing speed of the main valve certain requirements.
- the cross sections and flow resistances in the gas pipes and through the valves to the desired opening and Closing speed of the main valve advantageously matched.
- An effective and easily controllable modulation is only possible if the desired opening cross section of the main valve is reproducible and reliably adjustable. This is easily possible in the control device according to the invention, since the gas line for the pressure build-up in the first gas space completely independent of the gas line for pressure reduction in the first gas space is executed.
- the first and / or the second servo valve is advantageous as Three-way valve device, which is optionally the first Gas space with the second gas space or the first gas space with the third gas space connects.
- Such a three-way valve device can be through a three-way valve or a combination are formed by two-way valves.
- the second servo valve is advantageous as a three-way valve device trained and via a first gas line with the third gas line of the first servo valve and in this way connected to the first gas space of the second main valve.
- alternative can be a direct connection of the second servo valve provided with the first gas space of the second main valve his.
- a second gas line is also expedient with a second gas space of the second main valve in the inlet area connected and continue a third gas line with one third gas space in the outlet area of the control device. On this way the pressure difference between the first gas space of the second main valve and the second gas space of the second Main valve in the inlet area can be set to the second Main valve to operate.
- the second servo valve can be designed as a two-way valve be that through an inlet-side gas line in a similar manner with the gas line of the first servo valve or the first Gas space of the second main valve is connected, with another inlet-side connection to the second gas space of the second main valve is provided in the inlet area.
- a third gas line is arranged, which is the two-way valve with a third gas space in the outlet area of the control device connects to the gas from the first gas space of the second Main valve in the outlet area of the control device to be able to be released to open the second main valve.
- a pressure limiter be provided.
- This pressure limiter has the task from a certain limit pressure in the outlet area of the control device the third gas line of the second servo valve and thus to close the relief line and in this way First close the second main valve to cause the To protect gas burners from excess pressure.
- a two-way valve can also be used as the first servo valve are used that on the inlet side with the first and the second gas line is connected, the flow cross sections and / or flow resistances of the gas lines from the first Gas space to the two-way valve and from the second gas space to second two-way valve are designed differently.
- To this Way can as with the construction described with Three-way valves ensure safe closing of the two main valves be guaranteed.
- throttles can be provided in the gas lines.
- the control device is made possible.
- the operation of the construction set out the is provided with a limiter, with the pressure regulator the limit pressure is adjustable or changeable.
- Fig. 1 shows a first embodiment with two three-way valves.
- Fig. 2 shows a second embodiment, similar to the first Embodiment that additionally with a pressure limiter is provided.
- Fig. 3 shows a third embodiment in which a three-way valve is used together with a two-way valve.
- Fig. 4 shows an embodiment in which two two-way valves are provided.
- Fig. 5 shows an alternative for one of the main valves of the Embodiments.
- the gas flow is interrupted and the control device locked.
- the valve plate 1 is in the closed position by means of a compression spring 10, therefore pressed on the valve seat 2.
- the valve plate 1 is in Active connection with a membrane 3, which is in the upper region of the Control device separates a first gas space 4.
- the main valve is at overpressure in the first gas space 4 compared to the second gas chamber 5 closed, the force of the compression spring 10 supports the closing process.
- the three-way valve 9 is with three gas lines connected, of which the first gas line 7 is connected to the first gas space 4 above the membrane 3.
- the second gas line 6 connects the three-way valve 9 with the second gas space 5.
- the third gas line 8 finally connects the three-way valve 9 with the third gas space 11.
- the three-way valve is in the closed position shown 9 switched so that the first gas line 7 and second gas line 6 are interconnected. Based on these Circuit is the gas pressure at the inlet 14 and thus in second gas space 5 is present, introduced into the first gas space 4. There is therefore no pressure difference between the first gas space 4 and the second gas space 5. Due to the lack of pressure difference the membrane 3 does not exert any force on the main valve and the valve plate 1 of the main valve is by the spring 10 held in the closed position.
- the three-way valve 9 is in a Positioned in which it is the first gas line 7 with the third gas line 8 connects. Because of this connection the pressure in the first gas space 4 to the third gas space 11 and thus Relieved to the outlet side of the first main valve. The Pressure in the first gas space 4 is therefore rapidly reduced. by virtue of the resulting pressure difference between the first gas space 4 and the second gas chamber 5, the main valve is opened because of Pressure in the second gas space 5 is higher than the pressure in the first Gas space 4. The valve disc 1 is thus opposed to the membrane 3 the force of the spring 10 moves up and away from the valve seat 2 lifted off, creating the opening cross section of the main valve is released.
- the three-way valve 9 is simply in the aforementioned Positioned in which the first gas line 7 with the second Gas line 6 is connected. That way again Pressure built up in the first gas space 4 and the main valve closed.
- a suitable intermediate position of the three-way valve 9 it is possible to find a certain pressure difference between the to set the first gas space 4 and the second gas space 5. For this the inflow of gas via the second gas line 6 and the first gas line 7 into the first gas space 4 and the outflow of the gas via the third gas line 8 accordingly can be set.
- the flow cross sections through the gas lines as well as through the three-way valve 9 are just like the flow resistances on the opening and closing behavior of the main valve Voted. To quickly open and / or close are generally large cross-sections and small Flow resistances appropriate.
- the coordination of the cross sections and flow resistance must also with regard to the desired modulation behavior of the main valve.
- the connection of the first gas space 4 with the second Gas space 5 must therefore have a cross-section and flow resistance the opening behavior of the main valve in particular be matched to the spring 10 and the membrane 3, to enable the desired modulation of the opening cross-section.
- the first gas space 24 of the second main valve is also in the third gas space 31 of the second main valve and thus in the Outlet 35 of the control device is relieved. So there will be both first gas spaces 4, 24 of the main valves and thus both relieved Main valves open.
- the gas flows out of the first gas space 4 of the first main valve directly via the second servo valve 29 into the third gas space 31 of the second main valve.
- the first servo valve 9 in the Positioned in which the gas lines 6 and 7 with each other are connected, and thus the first one is connected Gas space 4 of the first main valve with the second gas space 5 of the first main valve. In this way the pressure difference eliminated between the two gas spaces and the first Main valve closed.
- the second servo valve 29 becomes analogous brought into the position in which the first gas line 27 of the second main valve with the second gas line 26 of the second Main valve is connected to the first in the same way Gas space 24 of the second main valve with the second gas space 25 of the second main valve. That way likewise the pressure difference between the first gas space 24 and the second gas space 25 of the second main valve and the second main valve is closed.
- Modulation is expediently carried out by the first servo valve 9 by connecting the second servo valve 29 by connection of gas lines 27 and 28, as set forth in which the first gas space 24 of the second main valve relieved and thus the second main valve fully opened becomes.
- a modulation can then be made by suitable setting the differential pressure between the first gas space 4 and the second gas space 5 of the first main valve by means of the first servo valve 9 take place.
- third gas line 8 inflowing gas is directly via the second servo valve 29 in the third gas space 31 of the second main valve and thus relieved in the outlet of the control device without to influence the opening of the second main valve.
- a modulation can also be done by pulse width modulation of the first servo valve 9 done. Such a pulse width modulation is in DE 100 26 035 A1.
- Modulation of the control device is simple possible because the servo valves between the inlet and the outlet pressure be modulated and these pressures are fixed so that the control device is modulated exactly in the desired manner can be. It doesn't matter whether the first servo valve 9 or the second servo valve 29 is modulated. A Modulation can also take place if the second servo valve 29 is in the fully open position because the modulation then takes place exclusively via the first servo valve 9. In the same Way, the first servo valve 9 can be in the fully open Position and modulation via the second servo valve 29 done. Of course, both servo valves can also be used 9 and 29 can be modulated at the same time.
- a second embodiment is described below differs only slightly from the first embodiment.
- a pressure limiter 37 is provided, which is similar to the main valves via a membrane 38 has, which actuates the valve body 39 and possibly against one Valve seat moves.
- the Valve body 39 of the pressure limiter 37 by a spring in the Open position and loaded by the membrane 38 when reached a certain limit pressure in the third gas space 31 closed.
- This construction ensures that one Overpressure in the third gas space 31 of the second main valve and thus the pressure limiter in the outlet 35 of the control device third gas line 28 closes and thus with the control device open a pressure relief from the first gas space 24 of the second main valve in the third gas space 31 of the second Main valve prevented. It can thus in the first gas space 24 of the second main valve opposite the second gas space 25 of the second Main valve an overpressure can be built up again second main valve closes. However, this is a gas flow into the first gas space 24 of the second main valve.
- the open position of the control device is the gas line 7 via the first servo valve 9 with the gas line 8 connected to the pressure from the first gas space 4 of the first Relieve the main valve. If this pressure is released, find no gas flow into the first gas space 24 of the second main valve from the first gas space 4 of the first main valve instead.
- connection 40 shown is the first Gas line 7 with the second gas line 6 of the first servo valve 9 provided.
- This connection 40 has a relative high flow resistance, which is defined by a throttle 41 can be.
- This connection 40 therefore always flows a small amount of gas from the second gas space 5 of the first Main valve in the first gas line 7 or in the first gas space 4 of the first main valve or at the position mentioned of the first servo valve 9 in the first gas space 24 of the second Servo valve 29.
- FIG 3 shows a third exemplary embodiment, in which the second servo valve is formed by a two-way valve 49 becomes. Because this is essentially the only difference to the first embodiment is essentially based on the second servo valve and how it works.
- the valve plate 41 is connected to a membrane 43, above a first gas space 44 is provided.
- the gas flows from the inlet 54 into the second gas space 45 and can be opened Continue to flow the main valve into the third gas space 51 and from there to outlet 55. If the main valve is closed, a gas flow is prevented. In the closed position the two-way valve 49, which is electrically operated is in the closed position. Therefore, gas flows over the second gas line 46, which has a certain resistance, which can possibly be influenced by a throttle 52, in the first gas line 47, since the two-way valve 49 flows through not possible due to the closed position of the same is. For this reason there is a pressure equalization between the first gas space 44 and the second gas space 45.
- the main valve is securely closed Position held because this by the compression spring 50 in the closed position is charged. If the two-way valve 49 opened, gas flows both from the first gas space 44 over the first Gas line 47 and from the second gas space 45 via the second gas line 46 through the two-way valve 49 into the third Gas line 48, which opens into the third gas space 51.
- the line section before the two-way valve 49 or through the two-way valve 49 has a certain flow resistance through it, which may be influenced by a throttle 53. There, how indicated by the drawn restrictors 52, 53, the flow resistance the second gas line 46 is larger than that the first gas line 47, the gas flows out of the first gas space 44 faster.
- a malfunction occurs of the first gas servo valve into the gas space 44 of the second Main valve relieved via the first gas line 47. hereby the pressure in the first gas space 44 increases because in the closed position the second servo valve 49 is closed. In this way will also be the case of a malfunction of the first servo valve second main valve kept securely closed. Likewise leads a malfunction of the second servo valve 49, in which - although the control device is kept in the closed position should be - gas pressure from the first gas space 44 into the third Gas line 48 is relieved, causing the closing function of the first main valve is not affected and thus the Control device is nevertheless kept securely closed.
- the construction described ensures that even if one of the servo valves fails, no gas from the gas inlet can flow to the gas outlet 55. No matter which servo valve fails, in any case due to the construction described the other servo valve closed and the gas flow interrupted.
- the closing of the valves is indicated by the Pressure difference between the gas spaces or the force of the Spring causes. The closing is done by the gas inlet pressure supported in the manner described. With a proper one Both servo valves operate the control device closed when the gas flow is interrupted should. It does not matter which of the servo valves as first closed because of the construction described and operation of closing a servo valve the other servo valve closes automatically draws.
- Modulation of the control device is simple possible because the servo valves between the inlet and the outlet pressure be modulated and these pressures are fixed so that the control device is modulated exactly in the desired manner can be. It doesn't matter whether the first servo valve or the second servo valve 49 is modulated. A modulation can also take place when the second servo valve 49 in the fully open position because the modulation is then exclusive via the first servo valve. In the same Way, the first servo valve can be in the fully open Position and modulation via the second servo valve 49 done. Of course, both servo valves can also be used be modulated at the same time.
- the first servo valve 69 is also designed as a two-way valve.
- Farther is a pressure regulator similar to the embodiment of FIG. 2 90 provided, the principle of its operation forth corresponds to the pressure limiter 37, the limit pressure however, by an actuator 90 in the operation of the control device is adjustable so that by means of this pressure regulator 90 the outlet pressure is adjustable.
- the Two-way valve with the associated pressure lines and restrictors was in connection with the second servo valve of the embodiment 3 explained. It is therefore how it works the two-way valve 69 and the second downstream Two-way valve 99 not explained again. It's just supposed to the basic mode of operation with which a safe Closing the control device is ensured, briefly outlined become.
- the operation of the pressure regulator 87 not explained in more detail. This has, like the pressure limiter 2, via a valve body 89, which is loaded by a spring in the open position and brought into the closed position by means of a membrane 88 can be.
- the control device is in the closed position and it still comes from a defect in the first servo valve 69 to a pressure relief from the first gas space 64 of the first main valve via the first gas line 67 into the third gas line 68, so this gas - as in the previous explained embodiments - in the first gas space 94 of the second main valve is relieved. In this way it becomes like in the previous embodiment - a safe one Closing the second main valve also in the event of a defect of the first servo valve 69 guaranteed. If there is one Defect of the second servo valve 99 and to pressure relief from the first gas space 94 of the second main valve, see above is hereby - as set forth in the embodiment of FIG. 3 - The first main valve is not affected and remains closed securely.
- the first servo valve 69 and the second servo valve 99 is opened. This causes gas to flow out the first gas space 64 of the first main valve via the first Gas line 67, the throttle 75, the third gas line 68 and via the second servo valve into the third gas line 98 of the second servo valve 99 from the pressure regulator 87 in the third gas space 81 of the second main valve opens.
- the second servo valve 99 is open, the gas flows out of the first gas space 94 of the second main valve via the first gas line 97 of the second main valve and the throttle 93 in the third gas line 98 from. So the pressure drops in the first Gas space 64 of the first main valve and the first gas space 94 of the second main valve. Because of this pressure reduction both main valves opened.
- the servo valves 69 and 99 closed, so that in the first gas space 64 and 94 of the two main valves via the second gas line 66 and 96 and via the first gas line 67 and 97 gas pressure in the first Builds gas space 64 and 94 of the main valves, which eventually the Gas inlet pressure in the second gas space 65 and 95 corresponds. As soon as If pressure equalization is reached, both main valves close by the force of the feathers.
- FIG. 5 shows an alternative for a main valve of the exemplary embodiments, in particular the embodiments according to the Fig. 1 to 3.
- the main valve shown in Fig. 5 can those shown in the described embodiments Replace main valves.
- the main valve shown in Fig. 5 is the three-way servo valve used in the embodiments 1 to 3 is shown by a double Two-way valve replaced.
- a first two-way valve 101 provided and a second two-way valve 102.
- Die The arrangement is as shown, with the first two-way valve 101 arranged between the first and the second gas line and the second two-way valve 102 between the first Gas line and the third gas line.
- the actuation of the Servo valves take place via an actuator 100.
- a control device for gas burners with two is disclosed main valves in series and two by one Actuator actuated servo valves that open the Main valves is regulated.
- the main valves are by means of Operated membranes that delimit a first gas space, wherein the first servo valve via gas lines to the first gas space of the first main valve, a second gas space in the inlet area the first main valve and a third gas line is connected to the first gas space of the second main valve. Due to this design, a leakage current leads to failure of the first servo valve from the first gas space of the first main valve a pressure increase in the first gas space of the second main valve, which ensures that the main valve closes securely becomes. Likewise, if the second servo valve is defective the closed position of the first main valve is not impaired.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Fluid Pressure (AREA)
- Feeding And Controlling Fuel (AREA)
- Gas Burners (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
Description
Claims (18)
- Regeleinrichtung für Gasbrenner mit zwei hintereinander vorgesehenen Hauptventilen und zwei von einem Aktuator betätigten Servoventilen (9, 29, 49, 69, 99), mit denen die Öffnung der Hauptventile geregelt wird, die mittels einer Membran (3, 23, 43) betätigbar sind, die jeweils einen ersten Gasraum (4, 24, 44, 64, 94) und einen zweiten Gasraum (5, 25, 45, 65, 95) begrenzt, wobei der Gaseinlass (14) der Regeleinrichtung mit dem zweiten Gasraum (5, 65) des ersten Hauptventils und der Gasauslass (35) der Regeleinrichtung mit dem zweiten Gasraum (25, 45, 95) des zweiten Hauptventils verbunden ist,
dadurch gekennzeichnet, dass
mittels des ersten Servoventils (9, 69) eine Verbindung sowohl des ersten als auch des zweiten Gasraums des ersten Hauptventils mit dem ersten Gasraum (5, 65) des zweiten Hauptventils geschaffen oder unterbunden werden kann. - Regeleinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Druck im Einlassbereich des ersten Hauptventils und der Druck in einem Auslassbereich des zweiten Hauptventils Grenzdrücke für eine Modulation des ersten und/oder zweiten Hauptventils darstellen.
- Regeleinrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das erste Servoventil (9, 69) und/oder das zweite Servoventil (29, 49, 99) als Dreiwegeventileinrichtung ausgebildet ist und wahlweise den ersten Gasraum (4, 24, 44, 64, 94) mit dem zweiten Gasraum (5, 25, 45, 95) oder dem dritten Gasraum (11, 31, 51, 81) verbindet.
- Regeleinrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Dreiwegeventileinrichtung durch ein Dreiwegeventil oder eine Kombination von Zweiwegeventilen gebildet wird.
- Regeleinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Hauptventil mittels einer Feder (10, 30) in die geschlossene Stellung belastet wird.
- Regeleinrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Hauptventil bei Unterdruck in dem ersten Gasraum (4, 24, 44, 64, 94) gegenüber dem zweiten Gasraum (5, 25, 45, 65, 95) geöffnet wird.
- Regeleinrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der erste Gasraum (4, 24, 44, 64, 94) mittels einer Membran (3, 23, 43) zumindest weitgehend abgeschlossen ist, die mit dem Hauptventil in Wirkverbindung steht.
- Regeleinrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Querschnitts- und Strömungswiderstände in den Gasleitungen und durch das Servoventil (9, 29, 49, 69, 99) hindurch auf die gewünschte Öffnungs- und/oder Schließgeschwindigkeit des Hauptventils abgestimmt sind.
- Regeleinrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Querschnitts- und Strömungswiderstände in den Gasleitungen und das Servoventil (9, 29, 49, 69, 99) hindurch für eine Modulation des Öffnungsquerschnitts des Hauptventils abgestimmt sind.
- Regeleinrichtung nach Anspruch 9, dadurch gekennzeichnet, dass insbesondere der Querschnitts- und Strömungswiderstand der Gasleitungen, die das Servoventil mit dem zweiten Gasraum (5, 25, 45, 65, 95) verbindet, und der entsprechende Einlassbereich des Servoventils für eine Modulation des Öffnungsquerschnitts des Hauptventils abgestimmt sind.
- Regeleinrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass das zweite Servoventil (29, 49, 99) als Dreiwegeventileinrichtung ausgebildet ist und über eine erste Gasleitung mit der dritten Gasleitung des ersten Servoventils (9, 69) oder dem ersten Gasraum (24, 44, 94) des zweiten Hauptventils und mit einer zweiten Gasleitung mit dem zweiten Gasraum (25, 45, 95) des zweiten Hauptventils im Einlassbereich und mit einer dritten Gasleitung mit einem dritten Gasraum (31, 51, 81) im Auslassbereich der Regeleinrichtung verbunden ist.
- Regeleinrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass das zweite Servoventil (29, 49, 99) als Zweiwegeventil ausgebildet ist und über eine einlassseitige Gasleitung mit der dritten Gasleitung des ersten Servoventils (9, 69) oder dem ersten Gasraum (24, 44, 94) des zweiten Hauptventils verbunden ist, und mit einem zweiten Gasraum (5, 25, 45, 95) des zweiten Hauptventils im Einlassbereich verbunden ist, wobei mit einer dritten Gasleitung eine Verbindung mit einem dritten Gasraum (31, 51, 81) im Auslassbereich der Regeleinrichtung vorgesehen ist und die Strömungsquerschnitte und/oder Strömungswiderstände der Gasleitungen vom ersten Gasraum (24, 44, 94) zum Zweiwegeventil und vom zweiten Gasraum (45, 95) zum Zweiwegeventil unterschiedlich ausgelegt sind.
- Regeleinrichtung nach Anspruch 12, dadurch gekennzeichnet, dass Drosseln (52, 53, 95) in den Gasleitungen vorgesehen sind.
- Regeleinrichtung nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass zwischen dritter Gasleitung des zweiten Servoventils (29) und drittem Gasraum (31) ein Druckbegrenzer (37) vorgesehen ist.
- Regeleinrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass als erstes Servoventil (69) ein Zweiwegeventil vorgesehen ist, das einlassseitig mit der ersten oder zweiten Gasleitung verbunden ist, wobei die Strömungsquerschnitte und/oder Strömungswiderstände der Gasleitungen vom ersten Gasraum (4, 64) zum Zweiwegeventil (69) und vom zweiten Gasraum (5, 65) zum Zweiwegeventil unterschiedlich ausgelegt sind.
- Regeleinrichtung nach Anspruch 15, dadurch gekennzeichnet, dass Drosseln (75, 76) in den Gasleitungen vorgesehen sind.
- Regeleinrichtung nach einem der Ansprüche 10 bis 16, dadurch gekennzeichnet, dass zwischen der dritten Gasleitung und dem dritten Gasraum (81) ein Druckregler (87) vorgesehen ist.
- Regeleinrichtung nach einem der Ansprüche 14 bis 17, dadurch gekennzeichnet, dass zwischen erster und zweiter Gasleitung des ersten Servoventils (9) eine Verbindung (40) mit einem bestimmten Strömungswiderstand und/oder Strömungsquerschnitt vorgesehen ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002132647 DE10232647B4 (de) | 2002-07-18 | 2002-07-18 | Regeleinrichtung für Gasbrenner |
DE10232647 | 2002-07-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1382910A2 true EP1382910A2 (de) | 2004-01-21 |
EP1382910A3 EP1382910A3 (de) | 2004-05-12 |
EP1382910B1 EP1382910B1 (de) | 2009-10-28 |
Family
ID=29762042
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Application Number | Title | Priority Date | Filing Date |
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EP20030016214 Expired - Lifetime EP1382910B1 (de) | 2002-07-18 | 2003-07-17 | Regeleinrichtung für Gasbrenner |
Country Status (4)
Country | Link |
---|---|
US (1) | US7066203B2 (de) |
EP (1) | EP1382910B1 (de) |
AT (1) | ATE447141T1 (de) |
DE (2) | DE10232647B4 (de) |
Cited By (2)
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EP1923631A2 (de) * | 2006-11-16 | 2008-05-21 | Bürkert Werke GmbH & Co. KG | Ventilvorrichtung zur Unterbrechung der Gaszufuhr einer Versorgungsleitung |
ITPD20120274A1 (it) * | 2012-09-20 | 2014-03-21 | Omvl S P A | Dispositivo regolatore di pressione per impianti a gas combustibile in motori endotermici, particolarmente per autotrazione |
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DE102008011982A1 (de) * | 2008-02-29 | 2009-09-03 | Honeywell Technologies Sarl | Ventilanordnung mit Steuerventilen und einem von diesen stufenlos gesteuerten Hauptventil |
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US8327871B1 (en) * | 2009-06-12 | 2012-12-11 | Reliance Worldwide Corporation | Multi-valve cartridge pressure regulator |
EP2572143B1 (de) * | 2010-05-20 | 2014-07-16 | BSH Bosch und Siemens Hausgeräte GmbH | Gasventileinheit mit zwei gasausgängen |
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- 2003-07-17 EP EP20030016214 patent/EP1382910B1/de not_active Expired - Lifetime
- 2003-07-17 US US10/622,097 patent/US7066203B2/en not_active Expired - Lifetime
- 2003-07-17 AT AT03016214T patent/ATE447141T1/de not_active IP Right Cessation
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DE10026035A1 (de) | 2000-05-25 | 2001-12-06 | Honeywell Bv | Regeleinrichtung für Gasbrenner |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1923631A2 (de) * | 2006-11-16 | 2008-05-21 | Bürkert Werke GmbH & Co. KG | Ventilvorrichtung zur Unterbrechung der Gaszufuhr einer Versorgungsleitung |
EP1923631A3 (de) * | 2006-11-16 | 2011-07-06 | Bürkert Werke GmbH | Ventilvorrichtung zur Unterbrechung der Gaszufuhr einer Versorgungsleitung |
ITPD20120274A1 (it) * | 2012-09-20 | 2014-03-21 | Omvl S P A | Dispositivo regolatore di pressione per impianti a gas combustibile in motori endotermici, particolarmente per autotrazione |
WO2014045218A1 (en) * | 2012-09-20 | 2014-03-27 | Omvl S.P.A. | A pressure regulator device for fuel plants in internal combustion engines, particularly for the automotive field |
Also Published As
Publication number | Publication date |
---|---|
US7066203B2 (en) | 2006-06-27 |
EP1382910B1 (de) | 2009-10-28 |
DE10232647A1 (de) | 2004-02-05 |
US20040055651A1 (en) | 2004-03-25 |
EP1382910A3 (de) | 2004-05-12 |
DE10232647B4 (de) | 2004-05-13 |
ATE447141T1 (de) | 2009-11-15 |
DE50312064D1 (de) | 2009-12-10 |
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