EP2404113A2 - Gas regulator fitting - Google Patents
Gas regulator fittingInfo
- Publication number
- EP2404113A2 EP2404113A2 EP10708916A EP10708916A EP2404113A2 EP 2404113 A2 EP2404113 A2 EP 2404113A2 EP 10708916 A EP10708916 A EP 10708916A EP 10708916 A EP10708916 A EP 10708916A EP 2404113 A2 EP2404113 A2 EP 2404113A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- metal bellows
- control valve
- valve
- discs
- 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
Links
- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000009420 retrofitting Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/007—Regulating fuel supply using mechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/08—Measuring temperature
- F23N2225/14—Ambient temperature around burners
-
- 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
- Y10T137/1407—Combustion failure responsive fuel safety cut-off for burners
-
- 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
- Y10T137/7737—Thermal responsive
Definitions
- the invention relates to a gas control valve for a gas heating furnace or the like according to the preamble of the first claim.
- Gas control valves for a gas heater or the like are available in a variety of designs. They serve to ignite and to control or regulate a gas flow flowing to a burner while ensuring the safety of the operator and the installation.
- the controlled temperature is usually the room temperature, which is detected by a temperature sensor, which is connected via a capillary with a metal bellows as a lifting element.
- gas control valves in which the main power is switched on or off (two-position controller) or the gas control valve has a combination between two-position controller and proportional controller.
- a gas control valve is known preferably for installation in individual room heaters from DE 299 05 204 U1, which operates without auxiliary power.
- the switching system of a combined proportional controller / two-position controller is arranged in the housing after the main valve.
- This switching system can be influenced via a temperature-sensitive actuating device. It consists of a temperature sensor located outside the housing and a metal bellows arranged in the gas control fitting, which are both connected to one another via a capillary line, wherein all parts are filled with liquid.
- adjusting devices operate on the principle of liquid expansion with temperature increase. If the temperature at the temperature sensor changes, then This change affects a correspondingly directed movement of the metal bellows. This hub is transferred to the switching system.
- gas control valves usually have to be adjusted within the scope of production.
- the capillary and the metal bellows are exposed to the prevailing temperature in their environment.
- adversely affecting the control temperature with respect to the set, i. desired setpoint. This becomes particularly serious and unacceptable if it is not a relatively constant deviation of the ambient temperature, but strong fluctuations occur.
- this is almost always the case when the gas control valve to achieve a compact design of the gas heating furnace is within the same, ie in the vicinity of the gas burner.
- the invention is based on the problem of providing a gas control fitting in which the distortions of the temperature value to be controlled caused by fluctuations in the ambient temperature are prevented. Furthermore, the gas control valve should have the simplest possible structure. Also, retrofitting without intervention in the gas-carrying space is to be made possible.
- the problem is solved by the fact that outside of the gas-carrying space of the gas control valve one or more bimetallic discs between a control element for setting the desired temperature and a longitudinally movable plunger are. About the projecting into the gas-conducting space plunger, a switch is actuated, which controls at least one valve for controlling the gas flow to the main burner.
- the bimetallic disks are arranged so that the position of the metal bellows can be influenced by their total height depending on the ambient temperature in the direction of movement of the plunger.
- bimetallic disks are arranged as close as possible to the metal bellows between this and the operating element. So both are exposed to the same temperature influence and there is a very accurate compensation.
- a further advantageous embodiment is obtained when an intermediate piece is supported on the metal bellows, in particular, when the intermediate piece on its side remote from the metal bellows end additionally has an axial pin for receiving the then centrally perforated bimetal and the pin in a guide bore of a fixed to the Operating element connected pressure piece on which the bimetallic discs are supported, is guided.
- FIG. 1 shows a gas control fitting according to the invention, partly in section
- FIG. 2 shows a detailed view A of the gas control fitting according to the invention from FIG. 1
- FIG. 3 shows a modified detailed view A of the gas control fitting according to the invention from FIG
- the illustrated in Figure 1 exemplary gas control valve according to the invention is a switching and control device, which is preferably intended for installation in a gas heating furnace or the like. It enables the operation and monitoring of a burner by controlling the amount of gas flowing to the burner.
- the gas control valve consists of a housing 1, which has a gas inlet 2 marked by a directional arrow and a gas outlet 3, likewise marked by a directional arrow, as well as an ignition gas outlet 4.
- a gas inlet 2 marked by a directional arrow
- a gas outlet 3 likewise marked by a directional arrow, as well as an ignition gas outlet 4.
- Temperature control unit 7 for the amount of gas flowing to the main burner.
- a valve which is a jump-shaped Switching on and off in the partial load range causes arranged downstream of the main valve in the flow path of the gas flow for the main burner. It can be controlled by a switch.
- a ram 8 which is in frictional connection with the switch and is movable longitudinally, projects out of the gas-carrying space of the housing 1. With its end facing away from the switch, the plunger 8 is supported on a metal bellows 9.
- the metal bellows 9 is connected via a capillary 10 with a temperature sensor 11.
- Metal bellows 9, capillary 10 and temperature sensor 11 are filled with a thermo-active liquid.
- a ball 12 mounted therebetween On its side facing away from the plunger 8 is supported, in this embodiment, advantageously on a ball 12 mounted therebetween, on the metal bellows 9 from an intermediate piece 13, which is located on the opposite side of the metal bellows axial pin 15 in a bore 16 of a pressure piece 14 is guided, which in turn is screwed in a located in the interior of a housing 1 associated with the tubular attachment 19 thread to make a temperature adjustment in the context of manufacturing can.
- the pressure member 14 is in turn connected to a control element 18 for setting the desired temperature, for example by being pressed.
- the pin 15 protrudes through a plurality of centrally-perforated bimetal 17, which are supported on the one hand on the metal bellows 9 facing away from the end face of the intermediate piece 13 and on the other hand on the pressure piece 14.
- Each bimetallic disc 17 has a domed shape that causes its height to decrease when heated.
- an adjusting element 23 is screwed into the pressure piece 14 at the front and in the middle, wherein the sprue element is provided with the bore 16 in this case.
- the bimetallic discs 17 are based.
- an opening 24 in the control element 18 it is also possible to change the temperature adjustment made during the production at a later time.
- the selected number and arrangement of the bimetallic discs 17 is dependent on the compensating stroke of the metal bellows 9 and the forces to be transmitted.
- the stroke of the bimetallic disks 17 is added. However, only as much force can be passed on as is possible with a bimetallic disk 17.
- bimetallic disks 17 are used, which are installed in pairs in a curved manner and compensate for the influence of ambient temperature on the temperature control unit 7.
- the pressure piece 14 is designed in two parts in this embodiment and consists of a cup-shaped upper part 20 and a tubular lower part 21, which are firmly connected to each other, for example, pressed.
- the lower part 21 On its side facing the upper part 20, the lower part 21 has a circumferential recess 22, in which the intermediate piece 13 can be supported during assembly.
- the upper part 20 is a wrapping of the bimetallic discs 17 located on the pin 15 (Fig. 2). This creates an assembly that is particularly suitable for easy retrofitting. List of reference signs
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Temperature-Responsive Valves (AREA)
- Control Of Combustion (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10708916T PL2404113T3 (en) | 2009-03-04 | 2010-03-01 | Gas regulator fitting |
SI201031567T SI2404113T1 (en) | 2009-03-04 | 2010-03-01 | Gas regulator fitting |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910011611 DE102009011611B4 (en) | 2009-03-04 | 2009-03-04 | Gas regulating valve |
PCT/EP2010/001246 WO2010099915A2 (en) | 2009-03-04 | 2010-03-01 | Gas regulator fitting |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2404113A2 true EP2404113A2 (en) | 2012-01-11 |
EP2404113B1 EP2404113B1 (en) | 2017-07-26 |
EP2404113B8 EP2404113B8 (en) | 2018-03-28 |
Family
ID=42538517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10708916.1A Active EP2404113B8 (en) | 2009-03-04 | 2010-03-01 | Gas regulator fitting |
Country Status (12)
Country | Link |
---|---|
US (2) | US8602047B2 (en) |
EP (1) | EP2404113B8 (en) |
AU (1) | AU2010220623B2 (en) |
CA (1) | CA2753815C (en) |
DE (1) | DE102009011611B4 (en) |
ES (1) | ES2645027T3 (en) |
PL (1) | PL2404113T3 (en) |
PT (1) | PT2404113T (en) |
RU (1) | RU2534295C2 (en) |
SI (1) | SI2404113T1 (en) |
UA (1) | UA103654C2 (en) |
WO (1) | WO2010099915A2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009011611B4 (en) * | 2009-03-04 | 2014-02-27 | Mertik Maxitrol Gmbh & Co. Kg | Gas regulating valve |
DE102013004745B4 (en) * | 2013-03-18 | 2020-03-05 | Mertik Maxitrol Gmbh & Co. Kg | Gas control valve |
EP3086008B1 (en) * | 2015-04-23 | 2019-07-03 | Danfoss A/S | Shape memory alloys |
DE102018001539B4 (en) * | 2018-02-27 | 2020-03-05 | Mertik Maxitrol Gmbh & Co. Kg | Device for displaying the status of a gas burner |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2123283A (en) * | 1934-05-28 | 1938-07-12 | Honeywell Regulator Co | Valved device |
US2245171A (en) * | 1937-04-12 | 1941-06-10 | Milwaukee Gas Specialty Co | Regulating valve |
US2245060A (en) * | 1937-11-08 | 1941-06-10 | Wilcolator Co | Temperature control for gas ranges |
US2801800A (en) * | 1955-07-01 | 1957-08-06 | Brumbaugh Isaac Vernon | Thermostatic valve |
US2826368A (en) * | 1955-10-17 | 1958-03-11 | Robertshaw Rulton Controls Com | Combination broiler and oven control |
US2980386A (en) * | 1959-04-30 | 1961-04-18 | Harold C Reinhart | Thermostatic gas valve control |
DE2049355A1 (en) * | 1970-10-08 | 1971-10-28 | Wobig Armaturenfab Alberto | Actuating device for the valve body, especially of four-way valves |
SE403827B (en) * | 1977-01-28 | 1978-09-04 | Tour & Andersson Ab | DEVICE FOR HEATING SYSTEMS WITH HOT WATER HEATER |
SU1087746A1 (en) * | 1982-11-04 | 1984-04-23 | Донецкое Научно-Производственное Объединение По Разработке И Выпуску Газовой Аппаратуры "Газоаппарат" | Device for burner operation checking and control |
US4836496A (en) * | 1987-08-27 | 1989-06-06 | Johnson Service Company | SMF actuator |
DE29905204U1 (en) | 1999-03-22 | 1999-06-10 | Mertik Maxitrol GmbH & Co. KG, 06502 Thale | Gas control valve |
DE102009011611B4 (en) * | 2009-03-04 | 2014-02-27 | Mertik Maxitrol Gmbh & Co. Kg | Gas regulating valve |
-
2009
- 2009-03-04 DE DE200910011611 patent/DE102009011611B4/en active Active
-
2010
- 2010-03-01 PT PT107089161T patent/PT2404113T/en unknown
- 2010-03-01 CA CA2753815A patent/CA2753815C/en active Active
- 2010-03-01 UA UAA201110552A patent/UA103654C2/en unknown
- 2010-03-01 US US13/254,931 patent/US8602047B2/en active Active
- 2010-03-01 WO PCT/EP2010/001246 patent/WO2010099915A2/en active Application Filing
- 2010-03-01 PL PL10708916T patent/PL2404113T3/en unknown
- 2010-03-01 AU AU2010220623A patent/AU2010220623B2/en active Active
- 2010-03-01 SI SI201031567T patent/SI2404113T1/en unknown
- 2010-03-01 EP EP10708916.1A patent/EP2404113B8/en active Active
- 2010-03-01 RU RU2011137002/03A patent/RU2534295C2/en active
- 2010-03-01 ES ES10708916.1T patent/ES2645027T3/en active Active
-
2013
- 2013-12-10 US US14/102,094 patent/US9151497B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2010099915A2 * |
Also Published As
Publication number | Publication date |
---|---|
US20140137954A1 (en) | 2014-05-22 |
US9151497B2 (en) | 2015-10-06 |
UA103654C2 (en) | 2013-11-11 |
US8602047B2 (en) | 2013-12-10 |
SI2404113T1 (en) | 2017-11-30 |
AU2010220623B2 (en) | 2014-09-04 |
DE102009011611A1 (en) | 2010-09-09 |
WO2010099915A3 (en) | 2010-12-09 |
ES2645027T3 (en) | 2017-12-01 |
EP2404113B8 (en) | 2018-03-28 |
RU2534295C2 (en) | 2014-11-27 |
RU2011137002A (en) | 2013-04-10 |
US20120024401A1 (en) | 2012-02-02 |
PL2404113T3 (en) | 2018-01-31 |
WO2010099915A2 (en) | 2010-09-10 |
EP2404113B1 (en) | 2017-07-26 |
AU2010220623A1 (en) | 2011-09-22 |
PT2404113T (en) | 2017-11-09 |
CA2753815A1 (en) | 2010-09-10 |
CA2753815C (en) | 2016-08-23 |
DE102009011611B4 (en) | 2014-02-27 |
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