EP1528320A1 - Armature à gaz - Google Patents

Armature à gaz Download PDF

Info

Publication number
EP1528320A1
EP1528320A1 EP04024721A EP04024721A EP1528320A1 EP 1528320 A1 EP1528320 A1 EP 1528320A1 EP 04024721 A EP04024721 A EP 04024721A EP 04024721 A EP04024721 A EP 04024721A EP 1528320 A1 EP1528320 A1 EP 1528320A1
Authority
EP
European Patent Office
Prior art keywords
valve
gas
power
hydraulically controlled
volume flow
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
Application number
EP04024721A
Other languages
German (de)
English (en)
Other versions
EP1528320B1 (fr
Inventor
Thomas Schmidbauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vaillant GmbH
Original Assignee
Vaillant GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vaillant GmbH filed Critical Vaillant GmbH
Priority to PL04024721T priority Critical patent/PL1528320T3/pl
Priority to SI200431642T priority patent/SI1528320T1/sl
Publication of EP1528320A1 publication Critical patent/EP1528320A1/fr
Application granted granted Critical
Publication of EP1528320B1 publication Critical patent/EP1528320B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/08—Regulating fuel supply conjointly with another medium, e.g. boiler water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2900/00—Special features of, or arrangements for fuel supplies
    • F23K2900/05001—Control or safety devices in gaseous or liquid fuel supply lines
    • 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

Definitions

  • the invention relates to a hydraulic regulated gas valve for a fuel gas heated continuous water heater.
  • Such gas fittings are characterized by the fact that they depend on the Heated amount of water and a control knob, the fuel gas amount to a Burner arrives, adjust.
  • a gain factor Fruel gas volume flow to water volume flow
  • the water temperature is set approximately by the knob.
  • these gas fittings must have at least two gaskets Valves that have different control signals have. Often it is called a control signal the ionization current in a flame or caused by the flame Thermoelectric voltage used. If there is a flame on the burner surface, so an ionization current can be detected in the area of the flame.
  • This Ionisationsstrom can be opened by means of a coil, a valve, the safety valve.
  • the other sealing valve is usually the water shortage valve. at This valve is in a water switch equivalent to the water volume flow Hubzi generated. By means of this lifting movement can be the water shortage valve open and thus can be an equivalent to the water volume flow of fuel gas the gas fitting will flow.
  • gas valves often have an additional valve with which a Amplification factor between fuel gas volume flow and water volume flow set can be. This adjustment is usually done manually by the operator, often By means of a rotary knob and diverter, a linear valve opens continuously or closes. As a result, the outlet temperature of the continuous water heater changed.
  • Gas fittings for fuel gas heated continuous flow water heaters are usually relatively consuming, because the various functions have a mechanism with many deflections be achieved.
  • the aim of the invention is to provide a gas valve for fuel gas heated continuous water heater which is characterized by simple and reliable construction.
  • the Zündgas entry and seal should be simplified.
  • the fuel gas to Zündgasventil by the Inside the main gas valve led. Since this is sealed from the environment, small leaks would result in no fuel gas leakage into the environment.
  • the ignition gas is through the same leadership as led the mechanical actuating mechanism of the safety valve. hereby existing holes and cavities are used twice.
  • a further advantage of an advantageous embodiment of the invention is according to claim 5, that the gas fitting at factory or on-site without installation of an additional Throttle through an already existing, from the outside - to compensate for Manufacturing tolerances and to different power ratings, network pressures and gas types - adjustable valve can be adjusted.
  • network pressures and gas types - adjustable valve can be adjusted.
  • the power preselector valve cone is in addition to the multi-level power preselection per se infinitely and sensitively displaceable and thus adjustable. This becomes possible because of a Axial contact on a shaft by turning the adjusting screw via a clamp can be moved.
  • the adjusting screw is coaxial with the gas control mechanism directly behind the gas button, so that their action is self-explanatory.
  • Figure 1 shows the gas valve according to the invention in the diagonal top view with the Control knob 1 at the front, the lateral receiving bore 43 for the Water switch, the rear gas inlet 44, also back Thermomagnet 48, the gas outlet 45 to the burner, the measuring nipple 47 for measuring the inlet pressure, the measuring nipple 39 for measuring the burner pressure and the Zündgasausgang 26.
  • Figures 2a and 2b show the gas valve according to the invention other perspectives also in diagonal top view.
  • FIG. 3 shows the gas fitting according to the invention in section A - A according to FIG Gas valve is in the initial state, in which no fuel gas flows.
  • the safety valve 2 with the Thermomagnet 48, the Zündgasventil 3, the main gas valve 4 for the power selector, the a power preselector valve plate 23, and the water shortage valve 5 not in Figure 3, but e.g. can be seen in Figure 8, are closed.
  • the gas inlet 44 which can not be seen in Figure 3
  • fuel gas is on the left in front of the safety valve 2.
  • FIG 4 is by turning counterclockwise the control knob 1 counterclockwise Gas valve brought into the ignition position.
  • the rotational movement of Control knob 1 transmitted to a radial contact 10.
  • the radial contact piece 10 has a Control cam 21 (see Figure 14), whereby the radial increase of the control cam 21 at a Rotational movement in the counterclockwise direction raising the Zündgasventiltellers 11th effected against the spring 12.
  • a Zündgasfilter 13 is slightly compressed.
  • a Flat gasket 14 lifts off from a Zündgasventilsitz 15.
  • the ignition gas burner can now be ignited. After the ignition gas at Ignition gas burner was ignited, after a short wait from the flame Thermostrom be tapped. This thermal current is on the thermomagnet 48 passed, whereby the thermomagnet 48, the valve plate 18 to the thermomagnet 48 against the spring 49 pulls.
  • the control knob 1 can now be released by the operator. As a result, the parts slide control knob 1, shaft 6, radial contact piece 10, adjusting screw 8, Clamp 17, Axialschalt vinegar 9 and pin 7 due to the force of the spring 16 back into the Starting position. The ignition gas continues to flow.
  • the Axialschalthggse 27 has a locking lug 29 (see Fig .. 16), which with the Switching cam 31 or the notches 32 of the rotating Axialschalt Federations 9 (see Fig .. 15) in Touch is.
  • the locking lug 29 slides along the switching cam 31 (see Fig. 15) until it enters the first notch 32 (Fig. locks.
  • FIGS. 10 and 11 illustrate the adaptation of the main gas valve 4 different manufacturing tolerances, performance variables, different network pressures and Fuel gas species.
  • control knob 1 To adjust the control knob 1 is rotated in a defined level and subsequently deducted. By tapping water, the device is started while the burner pressure is continuously measured by measuring at the pressure measuring nipple 39 (see Fig. 1) becomes.
  • thermo-electromagnet is powered by an electric Motor valve replaces which by power supply of battery or generator independently opens and closes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Glass Compositions (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
EP04024721A 2003-10-31 2004-10-16 Armature à gaz Expired - Lifetime EP1528320B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL04024721T PL1528320T3 (pl) 2003-10-31 2004-10-16 Armatura gazowa
SI200431642T SI1528320T1 (sl) 2003-10-31 2004-10-16 Ventil za plin

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10351723 2003-10-31
DE10351723 2003-10-31

Publications (2)

Publication Number Publication Date
EP1528320A1 true EP1528320A1 (fr) 2005-05-04
EP1528320B1 EP1528320B1 (fr) 2011-03-02

Family

ID=34399683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04024721A Expired - Lifetime EP1528320B1 (fr) 2003-10-31 2004-10-16 Armature à gaz

Country Status (9)

Country Link
EP (1) EP1528320B1 (fr)
AT (1) ATE500470T1 (fr)
DE (1) DE502004012249D1 (fr)
DK (1) DK1528320T3 (fr)
ES (1) ES2359701T3 (fr)
HK (1) HK1074665A1 (fr)
PL (1) PL1528320T3 (fr)
PT (1) PT1528320E (fr)
SI (1) SI1528320T1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2533910A1 (de) * 1975-07-26 1977-01-27 Vaillant Joh Kg Durchlaufwasserheizer
DE4316779A1 (de) * 1992-06-24 1994-11-24 Mertik Maxitrol Gmbh & Co Kg Gasmengensteuerung, insbesondere für eine Armatur eines Durchlauf-Wassererhitzers
EP1353126A2 (fr) * 2002-04-11 2003-10-15 Vaillant GmbH Armature à gaz à régulation hydraulique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2533910A1 (de) * 1975-07-26 1977-01-27 Vaillant Joh Kg Durchlaufwasserheizer
DE4316779A1 (de) * 1992-06-24 1994-11-24 Mertik Maxitrol Gmbh & Co Kg Gasmengensteuerung, insbesondere für eine Armatur eines Durchlauf-Wassererhitzers
EP1353126A2 (fr) * 2002-04-11 2003-10-15 Vaillant GmbH Armature à gaz à régulation hydraulique

Also Published As

Publication number Publication date
DK1528320T3 (da) 2011-06-14
SI1528320T1 (sl) 2011-05-31
HK1074665A1 (en) 2005-11-18
ES2359701T3 (es) 2011-05-26
EP1528320B1 (fr) 2011-03-02
PL1528320T3 (pl) 2011-07-29
PT1528320E (pt) 2011-04-18
ATE500470T1 (de) 2011-03-15
DE502004012249D1 (de) 2011-04-14

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