EP3401599B1 - Soupape à gaz thermostatique - Google Patents

Soupape à gaz thermostatique Download PDF

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Publication number
EP3401599B1
EP3401599B1 EP17170220.2A EP17170220A EP3401599B1 EP 3401599 B1 EP3401599 B1 EP 3401599B1 EP 17170220 A EP17170220 A EP 17170220A EP 3401599 B1 EP3401599 B1 EP 3401599B1
Authority
EP
European Patent Office
Prior art keywords
shaft
valve
male
gas
threaded
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.)
Active
Application number
EP17170220.2A
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German (de)
English (en)
Other versions
EP3401599A1 (fr
Inventor
Mehmet Demirezen
Gokhan Turhan
Isa Gun
Ercan Ersoy
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.)
Turas Gaz Armatuerleri Sanayi ve Ticaret AS
Original Assignee
Turas Gaz Armatuerleri Sanayi ve Ticaret AS
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Publication date
Application filed by Turas Gaz Armatuerleri Sanayi ve Ticaret AS filed Critical Turas Gaz Armatuerleri Sanayi ve Ticaret AS
Priority to PL17170220T priority Critical patent/PL3401599T3/pl
Priority to EP17170220.2A priority patent/EP3401599B1/fr
Priority to ES17170220T priority patent/ES2831799T3/es
Publication of EP3401599A1 publication Critical patent/EP3401599A1/fr
Application granted granted Critical
Publication of EP3401599B1 publication Critical patent/EP3401599B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/06—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using bellows; using diaphragms
    • F23N5/067—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using bellows; using diaphragms using mechanical means
    • 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
    • F23K2900/05002—Valves for gaseous 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
    • F23N2235/16—Fuel valves variable flow or proportional valves

Definitions

  • the invention relates to thermostatic safety or unsafety gas valves which check the upper and lower burner flame in gas-fired domestic cooking ovens and control the flame by checking gas inlet and outlet in the case that the temperature exceeds or decreases below the set value.
  • Said gas valve consists essentially of a body, a lid, a safety valve, lever, pin and a shaft, wherein said shaft is designed as a capped manner. Also, the body which is produced by both brass casting and aluminum extrusion is used in the gas valve.
  • the most important characteristic that distinguishes the gas valve of the invention from the present thermostatic gas valves is that the gas valve is set in a precise manner by the threaded shaft located in the male after its production.
  • the pin which actuates the safety valve is closed by a lid such that it is not seen outside, unlike the conventional valves.
  • the safety valve is opened by moving the pin forward through the lever located under the lid, thus the gas inlet into the system is allowed.
  • the general working principle of the thermostatic gas valves is that the gas filled in the safety valve pool is transferred by moving the shaft forward from the safety valve pool into the region of the male by opening the safety valve. It is provided that the gas is filled between the male and the diaphragm through the burning holes on the male by rotating the shaft. Herein the heat-sensitive thermo-element is heated, and the diaphragm is automatically opened by pressing the membrane because of the expansion of the fluid herein, and the gas is conveyed to the outlet by transferring it to the thermostat pool.
  • the setting process of the valve is performed by fitting the valve into a fixture after the production of the valve, and by setting the membrane distance via the rotation of the capillary tube.
  • the valve Due to the shaft, the threaded part and the threaded shaft present in the thermostatic gas valve of the invention, the valve is set via a screwdriver passing through the shaft without a fixture. Said method is a more advantageous method since it shortens the process duration and provides the possibility of setting in a more precise manner.
  • US 2002/0189605 A1 discloses a thermostatic valve for a kitchen oven having a double output safety body.
  • This invention has surpassed the state of the art by solving the problems of the state of the art, and will be readily used in the safety gas valves used for the domestic cooking ovens.
  • the aim of the invention is to provide thermostatic gas valve designed to be used in domestic cooking ovens and having aluminum or brass, safety or unsafety body.
  • the other aim of the invention is to actuate the pin which allows the safety valve to be actuated by means of a lever in the thermostatic gas valves with the safety arrangement, and to close it with a lid such that it is not seen outside.
  • Another aim of the invention is to set the thermostatic gas valve more precisely by means of the threaded parts after its production.
  • the other aim of the invention is to produce a unibody valve cam actuating the switches, and to fasten it to the valve by fitting into the tabs on the shaft without any other parts.
  • One of the aims of the invention is to make possible the fastening of the switch holder part to the lid by the tabs, and the mounting of four switches.
  • Another aim of the invention is to set the thermostatic gas valves more easily without the extra parts.
  • the invention is a thermostatic gas valve (1) designed to set the gas regulation in the domestic cooking ovens, consisting generally of a body made of brass or aluminum material, a shaft (1.3.3), a lid (1.3.6), a male (1.3.12), a switch (1.3.14), a threaded shaft (1.3.8), a threaded part (1.3.7), a cam (1.3.11) and a thermos-element (1.3.17), wherein said body is designed as single-outlet safety body (1.3), single-outlet unsafety body (1.1), double-outlet safety body (1.4) or double-outlet unsafety body (1.2), and there are also a lever (1.3.4), a pin (1.3.5) and a safety valve (1.3.13)in addition to these elements if there is a safety body in the gas valve (1) of the invention.
  • the first security is provided by means of the safety valve (1.3.13) while the second security is provided by allowing the passage of the gas through the male (1.3.12) in the case that the shaft (1.3.3) is not rotated. Accordingly, the safety valve (1.3.13) is opened as the lever (1.3.4) actuates the pin (1.3.5) when the shaft (1.3.3) of the thermostatic gas valve (1) is pressed, and the gas filled into the gas valve (1) from the gas inlet (1.3.1) is passed to the safety valve seat (1.3.2), but does not proceed to the system.
  • the gas can reach the gas outlet (1.3.10.1) by passing through the different burning holes on the male (1.3.12) with the rotation of the shaft (1.3.3). Furthermore, the gas-tightness is provided by means of the seals (1.3.19) at the inlet of the safety valve seat (1.3.2) and the thermostat pool (1.3.10).
  • the shaft (1.3.3) in the un-pushed state and the shaft (1.3.3) in the pushed state can be seen in Figure 10 and Figure 11 , respectively.
  • the general working principle of the safety gas valve (1) of the invention is that the gas proceeds to the male (1.3.12) by opening the safety valve (1.3.13) via the pin (1.3.5) by pressing the shaft (1.3.3); the male (1.3.12) rotates with the rotation of the shaft (1.3.3), and the gas reaches the burner from the gas outlet (1.3.10.1) by passing the burning holes on the male (1.3.12) and proceeds to the thermostat pool (1.3.10), and the burning of the oven is initiated.
  • the burning of the oven is initiated in such a way that the gas is passed from the burning holes on the male (1.3.12) by moving the shaft (1.3.3) forward and by rotating the shaft (1.3.3) and the male (1.3.12), and reaches the thermostat pool (1.3.10) and the burner therefrom.
  • the heat-sensitive thermo-element (1.3.17) is moved by pressing the thermostat membrane with the expansion of the fluid herein, and the thermostat membrane is closed gradually and the oven begins to become cool.
  • the thermostat membrane begins to open and the internal oven temperature increases because of the decrease in the pressure exerted on the thermostat membrane.
  • the oven is set to the desired temperature by the used due to the thermostat system.
  • the difference of the gas valve (1) of the invention from the present one is that the setting is performed in a different way and it contains different elements. The setting can be performed more precisely due to these elements described detailed in the following section.
  • a part of the pushing pin (2.2) mounted onto the present body (2.1) with the pushing pin bearing sleeve (2.3) is outside the present body (2.1) while the lid (1.3.6) used in the safety gas valve (1) of the invention is designed such that it entirely close the shaft (1.3.5) and the lever (1.3.4) which is the propulsion for the shaft (1.3.5).
  • the lever (1.3.4) moves the pin (1.3.5), and the hole (1.3.4.1) allows it to fit into the lid (1.3.6) while the fastening part (1.3.4.2) fastens the lever (1.3.4) between the body and the lid (1.3.6) such that it does not move.
  • the limiting tab (1.3.4.3) in said fastening part (1.3.4.2) allows the lever (1.3.4) to move and limits the whole movement of the part by imposing this movement on the bend (1.3.4.4).
  • the lever (1.3.4) is moved accurately and pushes the pin (1.3.5).
  • the pin (1.3.5) is angularly located in the body in order to allow the lever (1.3.4) to push the pin (1.3.5) by applying less force.
  • the shaft (1.3.3) used in the gas valve (1) of the invention has a different design from the present shafts (2.4), presses the lever (1.3.4) located under the lid (1.3.6) by moving the shaft (1.3.3) forward by the user due to its capped (1.3.3.1) structure and opens the safety valve (1.3.13) by allowing the pin (1.3.5) to move forward.
  • the gas valve (1) should be set after the production and this setting is performed more precisely than the present thermostatic gas valves (2) due to the hole (1.3.3.2) extending along the shaft (1.3.3) at the center of the shaft (1.3.3) in the gas valve (1) of the invention.
  • the male (1.3.12) is accessed through said hole (1.3.3.2) via a screwdriver.
  • the threaded part (1.3.7) in the male (1.3.12) and the threaded shaft (1.3.8) become unibody by engaging with each other, and are separated from each other by pressing the screwdriver. This separation is provided in such a way that the movement of the threaded part (1.3.7) fastened to the male (1.3.12) by means of its diameter greater than the male (1.3.12) is prevented and the release threaded shaft (1.3.8) is moved forward.
  • o-ring seat (1.3.8.3) for o-ring (1.3.18) providing sealing in the male (1.3.12) in the threaded shaft (1.3.8) and there is a spring (1.3.8.1) allowing the threaded shaft (1.3.8) to be restored to engage again with the threaded part (1.3.7) immediately under the top of the threaded shaft (1.3.8) after the gas valve (1) is set.
  • the thread (1.3.7.1) of the threaded part (1.3.7) and the shaft thread (1.3.8.4) are frequently aligned to allow the threaded part (1.3.7) and the threaded shaft (1.3.8) to be engaged again without changing the setting after the gas valve (1) is set.
  • the threaded shaft (1.3.8) is designed to have at least tetragonal end part (1.3.8.2) and the membrane shaft (1.3.8) is designed to have at least tetragonal inner part (1.3.9.1) to transfer the movement of the threaded shaft (1.3.8) to the membrane shaft (1.3.9).
  • the gas valve (1) is set by determining the position of the membrane due the fact that the threaded shaft (1.3.8) transfers the rotation movement to the membrane shaft (1.3.9) via the screwdriver rotated through the hole (1.3.4.1) of the shaft (1.3.3).
  • the present thermostatic gas valves (2) are fitted into a fixture and the capillary tube is rotated by loosening the nut in order to set the membrane position.
  • it becomes important that the gas valve (1) of the invention is preferred since an extra fixture is required and the rotation of the capillary tube extends the process duration.
  • the cam (1.3.11) is mounted to the gas valve (1) in such a way that the fastening tabs (1.3.11.3) located inside the cam (1.3.11), which provides the switch (1.3.14) to be actuated as a result of the contact of the tabs (1.3.11.2) thereon with the switch (1.3.14), engage with the tab seats (1.3.3.3) in the shaft (1.3.3) of the invention, thereby eliminating the need of a segment used to fasten the cam (1.3.11) in the present case.
  • "D" shaped inner part (1.3.11.4) allows the shaft (1.3.3) to be rotated as well as preventing the cam (1.3.11) from mounting inaccurately.
  • the tabs (1.3.11.2) in the cam (1.3.11) can be designed in different sizes in accordance with the switches (1.3.14).
  • Figure 12 it is seen in that the tabs (1.3.11.2) in the cam (1.3.11) actuate the switches (1.3.14) by rotating the shaft (1.3.3).
  • the cam (1.3.11) is designed in a conical (1.3.11.3) structure which enables operation of the cam (1.3.11) by pressing the switches (1.3.15) of different functions located at certain angles.
  • More switches (1.3.14) can be used in the gas valve (1) of the invention than that of the present thermostatic gas valves (2). Up to three switches (1.3.14) are used in the current thermostat gas taps (2).
  • a switch holder (1.3.15) is positioned at one point and which is designed to have the narrowest configuration. Thus, more than one oven function such as lighter, lamp, grill and fan can be controlled by means of a single button..

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Taps Or Cocks (AREA)
  • Mechanically-Actuated Valves (AREA)

Claims (2)

  1. La vanne thermostatique à gaz (1) conçue pour régler la régulation du gaz dans les fours de cuisson domestiques et ayant un corps à sortie unique (1.1) ou un corps à double sortie (1.2) comprenant:
    • Un mâle (1.3.13) qui permet au gaz de passer à travers différents trous de combustion sur le mâle en le commutant avec une rotation d'un arbre (1.3.3) ;
    • Un trou (1.3.3.2) s'étendant le long de l'arbre (1.3.3) au centre de celui-ci;
    • Un couvercle (1.3.6) fermant entièrement l'arbre (1.3.3) avec le corps;
    • Une partie filetée (1.3.7) emboîtée avec le mâle (1.3.13) à cause de sa taille supérieure au diamètre du mâle (1.3.13), et ayant un nombre spécifique de filets (1.3.7.1) dans la plage de 0 ° -360°,
    • Un arbre fileté (1.3.8) ayant le nombre spécifique de filets dans la plage de 0 ° -360 °, la partie filetée (13.7) venant en prise avec l'arbre fileté (1.3.8) permettant à la vanne d'être réglée de manière précise après sa fabrication,
    Dans lequel la vanne peut être réglée via un tournevis accédant au mâle à travers ledit trou et la partie filetée (1.3.7) et l'arbre fileté sont séparés l'un de l'autre en appuyant sur un tournevis.
  2. Vanne thermostatique à gaz (1) conçue pour régler la régulation du gaz dans les fours de cuisson domestiques et ayant un corps de sécurité à sortie unique (1.3) ou un corps à double sortie (1.4) comprenant:
    • Un mâle (1.3.13) qui permet au gaz de passer à travers différents trous de combustion sur le mâle en le commutant avec une rotation d'un arbre (1.3.3);
    • Un trou (1.3.3.2) s'étendant le long de l'arbre (1.3.3) au centre de celui-ci;
    • Un couvercle (1.3.6) fermant entièrement l'arbre (1.3.3) avec le corps;
    • Une partie filetée (1.3.7) emboîtée avec le mâle (1.3.13) à cause de sa taille supérieure au diamètre du mâle (1.3.13), et ayant un nombre spécifique de filets (1.3.7.1) dans la plage de 0 ° -360 °,
    • Un arbre fileté (13.8) ayant un nombre spécifique de filets dans la plage de 0 ° -360 °, la partie filetée (1.3.7) s'engageant avec l'arbre fileté (1.3.8) permettant à la vanne d'être réglée de manière précise après sa fabrication,
    Dans lequel la vanne peut être réglée via un tournevis accédant au mâle à travers ledit trou et la partie filetée (1.3.7) et l'arbre fileté (1.3.8) sont séparés l'une de l'autre en appuyant sur le tournevis, dans lequel la vanne thermostatique à gaz (1) comprend en outre une vanne de sûreté (1.3.14) qui assure la sécurité, une goupille (1.3.5) qui permet d'ouvrir la vanne de sûreté (1.3.14), et un levier (1.3.4) qui fait avancer la goupille (1.3.5).
EP17170220.2A 2017-05-09 2017-05-09 Soupape à gaz thermostatique Active EP3401599B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL17170220T PL3401599T3 (pl) 2017-05-09 2017-05-09 Termostatyczny zawór gazowy
EP17170220.2A EP3401599B1 (fr) 2017-05-09 2017-05-09 Soupape à gaz thermostatique
ES17170220T ES2831799T3 (es) 2017-05-09 2017-05-09 Válvula de gas termostática

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17170220.2A EP3401599B1 (fr) 2017-05-09 2017-05-09 Soupape à gaz thermostatique

Publications (2)

Publication Number Publication Date
EP3401599A1 EP3401599A1 (fr) 2018-11-14
EP3401599B1 true EP3401599B1 (fr) 2020-09-23

Family

ID=58701444

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17170220.2A Active EP3401599B1 (fr) 2017-05-09 2017-05-09 Soupape à gaz thermostatique

Country Status (3)

Country Link
EP (1) EP3401599B1 (fr)
ES (1) ES2831799T3 (fr)
PL (1) PL3401599T3 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4085891A (en) * 1975-04-23 1978-04-25 Robertshaw Controls Company Fuel control system and control device therefor or the like
ES1049454Y (es) * 2001-06-15 2002-04-16 Fagor S Coop Valvula de gas termostatica con piloto permanente.
TR201007217A1 (tr) * 2010-08-30 2012-03-21 Turaş Gaz Armatürleri̇ San. Ve Ti̇c. A.Ş. Ateşleme modullerini çalistirmaya yarayan kamli disk

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PL3401599T3 (pl) 2021-05-17
ES2831799T3 (es) 2021-06-09
EP3401599A1 (fr) 2018-11-14

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